SMI RED250mobile User Manual

page of 176

/ 176
Contents
Table of Contents
Bookmarks

Table of Contents

Quick Links

Download this manual

RED250mobile System User Guide

Version 4.2.1

June 2015

Table of Contents

Need help?

Do you have a question about the RED250mobile and is the answer not in the manual?

Questions and answers

Summary of Contents for SMI RED250mobile

Page 1 RED250mobile System User Guide Version 4.2.1 June 2015...
Page 3: Table Of Contents
1.5 Declaration of Conformity 1.6 Product Maintenance 1.7 Document Conventions 1.8 Glossary Part 2 System Overview 2.1 System Requirements 2.2 RED250mobile Eye Tracker 2.3 iViewRED Software 2.4 Accessories 2.5 Optimal Conditions Part 3 iViewRED Software Overview 3.1 Geometry Tab 3.2 Calibration Tab 3.3 Settings Tab...
Page 4 RED250mobile System User Guide Status Indicators Part 4 Getting Started Part 5 Installing iViewRED Software Obtaining the Installation Package Installing the Required Software Part 6 Running iViewRED Part 7 Mounting the Eye Tracker Mounting Guides Mounting Instructions Part 8 Managing Profiles...
Page 5 11.5 Setting Calibration Point Styles 11.6 Running a Validation 11.7 Understanding the Results 11.8 Recalibrating on a Point Part 12 Setting the Calibration Area Part 13 Using Live Gaze View Part 14 Setting the Tracking Mode © 2015 SensoMotoric Instruments (SMI) Page III...
Page 6 RED250mobile System User Guide Part 15 Additional Information 15.1 Shutting Down iViewRED 15.2 Troubleshooting 15.3 Showing Eye Images 15.4 Removing the Mounting Bracket 15.5 Checking for Software Updates 15.6 iViewRED Software Structure 15.7 Interfacing with other Applications 15.7.1 Interfacing with SMI Experiment Center 15.7.1.1...
Page 7 Welcome Chapter...
Page 8: Welcome
RED250mobile System User Guide Welcome Together with the optional SMI Experiment Suite™, the RED250mob ile System provides a comprehensive toolbox for a broad range of scientific studies such as neuroscience, psychology, psychiatry and psycholinguistics. This User Guide provides detailed instructions on the use of the RED250mob ile System.
Page 9: Contacting Smi
236 Lewis Wharf Boston, MA 02110 United States of America Street San Francisco, CA 94103 United States of America Phone: +1 (617) 557 0010 Fax: +1 (617) 507 8319 e-mail: sales@smivision.com Web: www.smivision.com © 2015 SensoMotoric Instruments (SMI) Page 3...
Page 10: Copyright And Trademarks
RED250mobile System User Guide 1.2 Copyright and Trademarks The SOFTWARE is owned by SensoMotoric Instruments GmbH or its suppliers and is protected by the Federal Republic of Germany copyright laws and international treaty provisions. Therefore, you must treat the SOFTWARE like any other copyrighted material except that you may...
Page 11: Product Liability
Welcome 1.3 Product Liability SensoMotoric Instruments Gmb H (SMI) does not assume liability for resultant damages to property or personal injury if the product has been misused in any way or damaged by improper use or failure to observe these operating instructions. In addition, any unauthorized modifications...
Page 12: Precautions
RED250mobile System User Guide 1.4 Precautions General Precautions Read the following carefully before using this product: The RED250mob ile Eye Tracker is a sophisticated measurement device. Please handle it with care in order not to damage any of its internal components.
Page 13 Individuals with pacemakers or internal medical devices should use caution when handling the RED250mob ile Eye Tracker and the mounting bracket. Magnetic fields may affect the operation of these devices. Consult your physician and the © 2015 SensoMotoric Instruments (SMI) Page 7...
Page 14 RED250mobile System User Guide manufacturer of your medical device to determine its susceptibility to static magnetic fields prior to handling the RED250mob ile Eye Tracker and the Mounting Bracket. All of our magnetic products should be kept at a safe distance from individuals with these devices.
Page 15 Welcome by air. These regulations also apply to magnets built in to products such as the Eye Tracker and Mounting Bracket. © 2015 SensoMotoric Instruments (SMI) Page 9...
Page 16: Declaration Of Conformity
RED250mobile System User Guide 1.5 Declaration of Conformity All SMI eye tracking equipment has been tested and found to comply with the limits for Class B digital devices, pursuant to Part 15 of the FCC Rules and EMC directive 2004/108/EC, and conforms to the low-voltage directive 2006/95/EC.
Page 17: Product Maintenance
Do not attempt to repair the RED250mob ile Eye Tracker by yourself. There are no user-serviceable parts in the device. Servicing, adjustment or repair should only be done by a certified distributor or by SensoMotoric Instruments GmbH (SMI). © 2015 SensoMotoric Instruments (SMI) Page 11...
Page 18: Document Conventions
RED250mobile System User Guide 1.7 Document Conventions The following conventions are used in this document. Italic Indicates filenames and file extensions and, in some cases, product names. Bold Used for user interface buttons, selections, check boxes, application windows and screen names.
Page 19: Glossary
Laptop screen, while Monitor refers to a Desktop PC screen. Experiment Center™ Developed by SMI, this software is an easy to operate experiment creation, planning and execution environment. It is specially designed for eye tracking studies. Experiment Suite™...
Page 20 RED250mobile System User Guide Fixation Period of time during which the eyes remain relatively still and the gaze is maintained on a single location. Gaze The direction in which the person is looking. Head Box The volume in which the participant can move during the experiment, and where tracking is possible, is determined by tracking range and operating distance.
Page 21 The model will instead be based on data from successful calibration points. Smart Tracking Mode Tracking mode where iViewRED uses the calibration results to intelligently decide whether to use one or both eyes for tracking. © 2015 SensoMotoric Instruments (SMI) Page 15...
Page 22 RED250mobile System User Guide Stimulus Display The display used for presenting the experimental stimuli to the participant during the experiment. Tracking Mode Setting which determines how the eye tracker will track the participant's eyes. Tracking Range Characterizes the surface of the plane in which eyes are detected by the eye tracker.
Page 23 System Overview Chapter...
Page 24: System Overview
RED250mobile System User Guide System Overview The SMI RED250mob ile System is a mobile eye tracking lab for demanding paradigms. This makes it ideal for demanding applied studies such as reading and linguistics, as well as visual perception or neurology. It is fully mobile and ready to use inside and outside of the lab.
Page 25: System Requirements
You can install and run iViewRED on a PC of your choice. However, you must be aware that the quality of the recording cannot be guaranteed on your own PC, as it would be the case on SMI’s certified RED PCs. In this section we provide guidelines and hardware requirements for using iViewRED on your PC.
Page 26 RED250mobile System User Guide USB: USB 2.0 port required. PC Configuration Recommendations Depending on your use case, we highly recommend that you configure your PC based on the following specifications. User Account Rights: Administrator rights are required for installing iViewRED.
Page 27 Write Access: Ensure the operator has write access to the repository directory. Do not try to write to a folder for which you do not have write access. © 2015 SensoMotoric Instruments (SMI) Page 21...
Page 28: Red250Mobile Eye Tracker
RED250mobile System User Guide 2.2 RED250mobile Eye Tracker The RED250mob ile Eye Tracker is a light, scientific-grade mobile device that can be used inside or outside a lab and in environments familiar to participants. It is connected to a USB 2.0 port on the Laptop or PC running iViewRED, which also provides a power supply to the device.
Page 29 24”) or Laptop Display (10” to 24”) Operating system: Microsoft™ Windows™ 7, Windows™ 8, Windows™ 8.1 PC Interface / power: USB 2.0 / Power over USB Blink recovery time: 4 ms @ 250 Hz © 2015 SensoMotoric Instruments (SMI) Page 23...
Page 30: Iviewred Software
2.3 iViewRED Software iViewRED is the controller software for the RED250mob ile Eye Tracker. It is available as a free download from the SMI website and installed prior to connecting the RED250mob ile Eye Tracker to the PC and mounting it.
Page 31 System Overview iView RED Start Screen For an overview of iViewRED, see iViewRED Software Overview. For installation instructions, see Installing iViewRED Software. © 2015 SensoMotoric Instruments (SMI) Page 25...
Page 32: Accessories
Grease Removal Pads to clean the mounting surface prior to mounting the RED250mob ile Eye Tracker. Microfiber cleaning cloth to clean the face of the RED250mob ile Eye Tracker. SMI-certified RED250mob ile Laptop in Flight Case. Page 26 © 2015 SensoMotoric Instruments (SMI)
Page 33: Optimal Conditions
PC or Laptop running iViewRED. For best results, the brightness of the background color for the calibration process should be similar to the average brightness of the stimuli shown during the experiment. © 2015 SensoMotoric Instruments (SMI) Page 27...
Page 35 iViewRED Software Overview Chapter...
Page 36: Iviewred Software Overview
RED250mobile System User Guide iViewRED Software Overview The iViewRED is the controller software that is used with the RED250mob ile Eye Tracker. This software is designed to allow an operator to quickly prepare the RED250mob ile Eye Tracker for experimentation.
Page 37 RED Softw are Overview Geometry Tab show ing the Laptop settings © 2015 SensoMotoric Instruments (SMI) Page 31...
Page 38 RED250mobile System User Guide Geometry Tab show ing the Desktop Monitor settings Page 32 © 2015 SensoMotoric Instruments (SMI)
Page 39 Automatically detects Screen width and Screen height of the Display and sets the Depth and Height measurements to the default values of the SMI supplied laptop. Setup Guide: Dims the screen and displays a vertical line at the center point of the...
Page 40 RED250mobile System User Guide center point. This center point can be located using the Setup Guide. See Measurement Settings Height: Vertical Distance [in mm] from the upper edge of the lower section of the screen frame to the top side of the RED250mob ile Eye Tracker at the center point.
Page 41: Calibration Tab
It is also used to perform an independent validation of the calibration results. You can furthermore configure the calibration point settings on this tab and display Live Gaze View. Calibration tab © 2015 SensoMotoric Instruments (SMI) Page 35...
Page 42 RED250mobile System User Guide Tab Options: Calibration Method: Select from 0, 1, 2, 5, 9 or 13 Point. This sets the number of points that the participant must observe during calibration. Animation Speed: Select from Normal or Fast. This is the speed of the animation between calibration points.
Page 43 Select from a set of grayscale colors for the background of the Calibration screen. Default is gray. This is only adjustable if you disable Auto Color function. Calibration Results: Displays the results of the Calibration and the optional © 2015 SensoMotoric Instruments (SMI) Page 37...
Page 44 RED250mobile System User Guide Validation. It shows for each eye the ratio of accepted calibration points to the number of points. It also shows accuracy values that indicate the deviation between target points and estimated gaze position. When Smart Tracking...
Page 45 RED Softw are Overview Validate: Starts the validation. This is done after the calibration has been run. © 2015 SensoMotoric Instruments (SMI) Page 39...
Page 46: Settings Tab
RED250mobile System User Guide 3.3 Settings Tab The Settings tab displays the Eye Tracking Monitor and settings for the Sampling Frequency, Tracking Mode and TTL Recording. Eye Images can also be displayed. Settings tab Tab Options: Sampling Frequency: Select from 60, 120 or 250 Hz sampling rate.
Page 47 Checked by default Show Eye Images: Hidden by default. The eye images can be displayed by right-clicking on the Eye Tracking Monitor. See Setting Tracking Mode and Showing Eye Images. © 2015 SensoMotoric Instruments (SMI) Page 41...
Page 48: Info Tab
RED250mobile System User Guide 3.4 Info Tab The Info tab shows the system information. You can also check for software updates (Internet access required), launch the Online Help, and contact SMI for support requests (Internet access required). Info tab Tab Options: System Information: Lists the key operating parameters of the system.
Page 49 If a new version is available, it will be installed. Open User Manual: Launches Online Help. Contact SMI: Use to send an email to SMI for support requests. It launches the default email application (Internet access required). See Checking for Software Updates.
Page 50: Profile Selector
RED250mobile System User Guide 3.5 Profile Selector Settings made for a specific system or experiment can be saved to a profile. This can be useful when studies are run sometimes with a Laptop Display and sometimes with a Desktop Monitor. Profiles are also useful when different tracking and calibration settings are used in different experiments.
Page 51 If you do not need a profile, you can remove it. All settings saved to this profile will be lost. Profiles which are marked with a * behind the name contain unsaved profile changes. See Managing Profiles. © 2015 SensoMotoric Instruments (SMI) Page 45...
Page 52: Eye Tracking Monitor
RED250mobile System User Guide 3.6 Eye Tracking Monitor The Eye Tracking Monitor helps the operator to find the optimum position for the participant to sit in front of the RED250mob ile Eye Tracker. Before running a calibration or an experiment, it is strongly recommended that the participant is sitting in this optimum position.
Page 53 Distance Values: A distance value is also displayed to indicate how near (or far) a participant is from the RED250mob ile Eye Tracker. See Positioning the Participant. © 2015 SensoMotoric Instruments (SMI) Page 47...
Page 54: Status Indicators
RED250mobile System User Guide 3.7 Status Indicators The operating status of the iViewRED software is indicated through the use of icons in the Windows™ Taskbar and in the software's title bar. Status Indicators: Not Connected: Indicates the RED250mob ile Eye Tracker has not connected with the iViewRED software.
Page 55 Getting Started Chapter...
Page 56: Getting Started
RED250mobile System User Guide Getting Started Follow these steps to get started using the RED250mobile System. Detailed instructions are provided in later sections of this User Guide. 1. Preparation: a. Download and run the iViewRED Installation Package, which is available at www.smivision.com/software/.
Page 57 Connect the RED250mob ile Eye Tracker to the Mounting Bracket using the magnetic slots. The USB cable connector should be on the right side of the device and the Reference Point on the Mounting Bracket should be facing upwards. © 2015 SensoMotoric Instruments (SMI) Page 51...
Page 58 Click Use Default Settings to obtain measurements for Screen Width and Screen Height. If the RED250mob ile Eye Tracker is mounted to the SMI-supplied laptop, and mounting instructions were followed precisely, the Depth and Height measures for RED250mob ile Eye Tracker positioning are given by the default values.
Page 59 Either add the changes to the existing profile by clicking the Save button or create a new profile to save these settings by clicking New. 7. The RED250mobile Eye Tracker is ready. © 2015 SensoMotoric Instruments (SMI) Page 53...
Page 61 Installing iViewRED Software Chapter...
Page 62: Installing Iviewred Software
Software Updates. 5.1 Obtaining the Installation Package To obtain the iViewRED software Installation Package: 1. Go to the Software Downloads area of the SMI website at www. smivision.com/software/. 2. Click the download link for the iViewRED Installer SMI iViewRED.msi. 3. On the File Download dialog, click Save File to download the installer to your PC or Laptop.
Page 63: Installing The Required Software
RED250mob ile Eye Tracker is disconnected from the Laptop or PC. To install the required software: 1. Run the iViewRED Installer SMI iViewRED.msi. 2. When the Prerequisites Installer dialog appears, click Install to begin. The Prerequisites Installer lists the software required to run iViewRED, which includes the .NET Framework...
Page 64 RED250mobile System User Guide 6. iViewRED will now be installed. 7. Click Finish to dismiss the dialog. Page 58 © 2015 SensoMotoric Instruments (SMI)
Page 65 Running iViewRED Chapter...
Page 66: Running Iviewred
RED250mobile System User Guide Running iViewRED If the RED250mob ile Eye Tracker has not yet been mounted, see Mounting the Eye Tracker. To run iViewRED: 1. Attach the RED250mob ile Eye Tracker to the Mounting Bracket, which is attached to the Laptop Display or Desktop Monitor.
Page 67 Please make sure the device is plugged in. The status indicator will change to Not Connected. In this case, ensure the device is properly connected to a USB 2.0 port. See Troubleshooting. © 2015 SensoMotoric Instruments (SMI) Page 61...
Page 68 RED250mobile System User Guide Could not connect to Eye Tracker 6. When connected, the default screen of iViewRED will appear showing the Geometry tab and the status indicator will change to Running. Page 62 © 2015 SensoMotoric Instruments (SMI)
Page 69 Mounting the Eye Tracker Chapter...
Page 70: Mounting The Eye Tracker
RED250mobile System User Guide Mounting the Eye Tracker Mounting the RED250mob ile Eye Tracker is simple and takes only a few minutes. It is designed to be mounted on the lower frame of a Desktop Monitor or Laptop Display. 7.1 Mounting Guides Mounting guides have been provided to assist you in mounting the device.
Page 71: Mounting Instructions
To mount the RED250mob ile Eye Tracker on a Laptop Display or a Desktop Monitor follow these steps: 1. Connect the RED250mobile Eye Tracker to a USB 2.0 port. a. Locate an available USB 2.0 port b. Connect the USB cable of the RED250mob ile Eye Tracker to the USB 2.0 port.
Page 72 RED250mobile System User Guide d. iViewRED will attempt to connect to the RED250mob ile Eye Tracker. e. Once connected, the LEDs on the RED250mob ile Eye Tracker will illuminate. 2. Attach the Mounting Bracket to the Laptop Display or Desktop Monitor.
Page 73 Mounting Bracket to the upper edge of the bottom frame of the screen. f. Firmly press and hold the Mounting Bracket to the frame at that position for a few moments to ensure adhesion. g. Your setup should look like this. © 2015 SensoMotoric Instruments (SMI) Page 67...
Page 74 Reference Point on the Mounting Bracket should align w ith the Setup Guide. 3. Connect the RED250mobile Eye Tracker to the Mounting Bracket. a. The RED250mob ile Eye Tracker can only be connected to the Mounting Bracket in one direction. This ensures the cameras on the device are in the correct orientation and that the USB cable is on the right side of the device.
Page 75 Mounting the Eye Tracker b. Attach the RED250mob ile Eye Tracker to the Mounting Bracket using the magnet connectors. For important information about the magnets, see Precautions. © 2015 SensoMotoric Instruments (SMI) Page 69...
Page 77 Managing Profiles Chapter...
Page 78: Managing Profiles
RED250mobile System User Guide Managing Profiles A profile stores all the values set in iViewRED. A default profile is provided which contains the most commonly used settings. You can save changes to this default profile or you can create a unique profile that saves settings made for specific conditions or participants.
Page 79 Save as..All current profile settings will be copied to a new profile. Please refer to the following steps: 1. Select the profile you want to modify and make all changes you want to submit.. © 2015 SensoMotoric Instruments (SMI) Page 73...
Page 80: Selecting Profiles
RED250mobile System User Guide 2. Click on the Save as... button in the Select Profile area. A new window called Saving profile as... appears. 3. Enter a new profile name in the Name field and click OK. Profiles which are marked with a * behind the name contain unsaved profile changes.
Page 81: Deleting Profiles
3. The settings stored in the selected profile will be automatically loaded into the application. 8.3 Deleting Profiles Profiles no longer needed can be deleted. When a profile is deleted, the settings saved in the profile will be lost. To delete a profile: © 2015 SensoMotoric Instruments (SMI) Page 75...
Page 82 RED250mobile System User Guide 1. In the Select Profile field, click the down-arrow to open a list of available saved profiles. 2. Select a saved profile from the list and click Remove. Page 76 © 2015 SensoMotoric Instruments (SMI)
Page 83 Setting Geometry Measurements Chapter...
Page 84: Setting Geometry Measurements
If a second monitor is attached to your Desktop PC or Laptop, you must select which of the two displays will be used by the RED250mob ile Eye Tracker. To select the display used by the RED250mobile Eye Tracker: 1. Run iViewRED. 2. Select the Geometry tab.
Page 85: Selecting Type Of Display
To select the type of display: Select Laptop Display or Desktop Monitor from the Type of Display dropdown menu: The following shows the Laptop Display settings. © 2015 SensoMotoric Instruments (SMI) Page 79...
Page 86 RED250mobile System User Guide Geometry tab for Laptop Display Settings The following shows the Desktop Monitor settings. Page 80 © 2015 SensoMotoric Instruments (SMI)
Page 87: Required Measurement Values
This can be done manually or assisted automatically. See Automatically Detecting Measurement Settings and Manually Entering Measurement Settings. The following provides a general illustration of the measurements required by iViewRED. © 2015 SensoMotoric Instruments (SMI) Page 81...
Page 88: Automatically Detecting Measurement Settings
However, Depth and Height values as provided with the Use Default Settings function are the default positioning values of the RED250mob ile Eye Tracker on the SMI-supplied Laptop if mounting instructions have been followed precisely. When using a different monitor or laptop, or adjustments to the default mounting were made, these settings should be manually adjusted.
Page 89 Bracket into the RED Angle [Degree] field. See Setting RED Angle. Use Default Settings works on most systems. Some systems may be incompatible with Windows™ standard interfaces. In this case, a manual check and correction of the settings is recommended. © 2015 SensoMotoric Instruments (SMI) Page 83...
Page 90: Manually Entering Measurement Settings
Display screen. The frame thickness of your Display's frame is different from the thickness of the SMI provided Laptop's Display frame. You are using a Dual PC setup or a Display for which screen parameters cannot be detected.
Page 91 [mm] fields. See Setting Screen Width and Height. 7. Select from 15, 20 or 25 to enter the angle value of the Mounting Bracket into the RED Angle [Degree] field. See Setting RED Angle. © 2015 SensoMotoric Instruments (SMI) Page 85...
Page 92: Setting Depth And Height
RED250mobile System User Guide 9.6 Setting Depth and Height Obtaining the Depth Measurement To obtain the depth measurement: 1. Run iViewRED and click Setup Guide on the Geometry tab. 2. Place the Triangle against the screen along the Setup Guide and on top of the RED250mob ile Eye Tracker.
Page 94 RED250mobile System User Guide Obtaining the Height Measurement To obtain the height measurement: 1. Run iViewRED and click Setup Guide on the Geometry tab. 2. Place the Triangle as shown in the following image. The Triangle is placed on top of the display lower frame at the screen and aligned to the vertical line displayed by the Setup Guide.
Page 96: Setting Red Angle
Laptop Display. Select from the RED Angle dropdown menu 15, 20 or 25. The standard Mounting Bracket supplied is the 20° bracket. Other Mounting Brackets available from SMI include a 15° Mounting Bracket and a 25° Mounting Bracket. Page 90...
Page 97: Setting Screen Width And Height
Screen Height and Width measurements You can use Use Default Settings to obtain the screen width and height. This works for most displays in a single PC setup. These values are entered in the Geometry tab. © 2015 SensoMotoric Instruments (SMI) Page 91...
Page 98 RED250mobile System User Guide Interface to set Screen Height and Width Page 92 © 2015 SensoMotoric Instruments (SMI)
Page 99 Positioning the Participant Chapter...
Page 100: Positioning The Participant
RED250mobile System User Guide 10. Positioning the Participant Before running a calibration, the operator needs to assist the participant to find a sitting position that is comfortable and yet allows the participant to be tracked by the RED250mob ile Eye Tracker. iViewRED helps the operator to find that position through the use of an Eye Tracking Monitor 10.1 Optimal Participant Position...
Page 101: Eye Tracking Monitor
10.2 Eye Tracking Monitor The Eye Tracking Monitor is located in the upper area of iViewRED. Eye Tracking Monitor The Settings tab provides a larger Eye Tracking Monitor, when Show Tracking is selected. © 2015 SensoMotoric Instruments (SMI) Page 95...
Page 102 RED250mobile System User Guide Eye Tracking Monitor on the Settings tab Distance Measurement To indicate how far (or near) a participant is from the RED250mob ile Eye Tracker, the Eye Tracking Monitor provides a distance measurement at all times. In the example below, the participant is 52 cm away from the screen.
Page 103 These include move left, move right, move closer to the screen, move away from the screen. In the example below, the participant should move to the right and away from the screen. © 2015 SensoMotoric Instruments (SMI) Page 97...
Page 104 RED250mobile System User Guide Eye Tracking Monitor - Arrow s Arrow Colors - The color of the arrows indicate a progression from close to optimum to close to out of tracking range. These colors are Orange, Yellow, and Red: Orange indicating close to optimum Page 98 ©...
Page 105 Positioning the Participant Yellow indicating moving aw ay from optimum Red indicating moving out of trackable range © 2015 SensoMotoric Instruments (SMI) Page 99...
Page 107 Performing a Calibration Chapter...
Page 108: Performing A Calibration
RED250mobile System User Guide 11. Performing a Calibration When a calibration is performed, the participant observes a series of calibration points sequentially displayed on the screen. The calibration can then be validated (optional) using a similar procedure on independent points.
Page 109 Accept Points, you may need to press the Space Bar to continue. The participant must focus on each point as it is displayed. The following shows five target points distributed across the screen. © 2015 SensoMotoric Instruments (SMI) Page 103...
Page 110 RED250mobile System User Guide Focus points The participant must keep their eye gaze focused on these points. If the results are unusual or inadequate, run the calibration again while ensuring the participant keeps a focus on each point as it appears.
Page 111 Performing a Calibration Calibration results For an explanation of the results of the calibration, see Understanding the Results. 9. The calibration can be then validated, as described in Running a Validation. © 2015 SensoMotoric Instruments (SMI) Page 105...
Page 112: Calibration Methods
RED250mobile System User Guide 11.2 Calibration Methods Calibration methods with a higher number of calibration points may improve the results but require the participant to focus their attention for a longer time. The decision to use a higher or lower number of calibration points should consider how long a particular participant can concentrate and how well they can focus.
Page 113 In this mode, a single calibration point is shown in the center of the screen. 1 Point Calibration method This calibration mode is suitable for participants who have difficulty achieving a successful calibration with more than one calibration point. © 2015 SensoMotoric Instruments (SMI) Page 107...
Page 114 RED250mobile System User Guide Use 0 Point or 1 Point calibration only if using a higher number of calibration points is not adequate. Page 108 © 2015 SensoMotoric Instruments (SMI)
Page 115 Performing a Calibration 11.2.32 Point Calibration 2 Point calibration method is quick and easy to perform. 2 Point Calibration method © 2015 SensoMotoric Instruments (SMI) Page 109...
Page 116 RED250mobile System User Guide 11.2.4 5 Point Calibration 5 Point calibration method is the recommended method for most use cases. 5 Point Calibration method This mode is a good balance between fast and comprehensive calibration and is suitable for data recordings where a more robust level of accuracy is required.
Page 117 11.2.59 Point Calibration 9 Point calibration method has a very high accuracy level. The participant, however, must be able to stay focused for a longer duration of the calibration process. 9 Point Calibration Mode © 2015 SensoMotoric Instruments (SMI) Page 111...
Page 118 RED250mobile System User Guide 11.2.6 13 Point Calibration 13 Point calibration method has a very high level of accuracy. However, due to the number of calibration points, the participant must be able to stay focused for an extended duration of the calibration process.
Page 119: Setting Animation Speed
If Smart Calibration is not active, iViewRED will wait until a fixation can be detected before advancing to the next calibration point. See © 2015 SensoMotoric Instruments (SMI) Page 113...
Page 120 RED250mobile System User Guide Using Smart Calibration. 11.4.1 Using Smart Calibration When Smart Calibration is enabled, the calibration process waits two seconds for a fixation. If the data of one point is found unreliable (for example, the participant did not fixate on a point), then the data for this point will be dropped and this point will not be used to calculate gaze estimation parameters.
Page 121: Setting Calibration Point Styles
Target Shape - You can use either a disc or you can choose any image suitable for your needs. When Image is selected, the Target File option appears to select an image from the PC or network drive. © 2015 SensoMotoric Instruments (SMI) Page 115...
Page 122: Running A Validation
RED250mobile System User Guide Auto Color - The background color of the Calibration screen is set automatically using an average gray level of the current screen content. Target Color - When you select Disc for a target shape, you can then set the color of the calibration point using the Available Colors popup window to select from a range of grayscale colors.
Page 123 Performing a Calibration Click Validate to begin 2. iViewRED goes into full screen mode and displays the Validation screen. 3. The participant must focus on each of the validation points as they are displayed sequentially. © 2015 SensoMotoric Instruments (SMI) Page 117...
Page 124 RED250mobile System User Guide Validation points 4. Validation will begin immediately without any initial focus point. 5. When the validation is complete, iViewRED exits full screen mode and returns to the Calibration tab. 6. The results of the validation will be displayed in the Validation Monitor.
Page 125: Understanding The Results
The accuracy of the gaze is indicated by the value shown: The lower the value, the better the results. The results also indicate if either both of the eyes were used during calibration. © 2015 SensoMotoric Instruments (SMI) Page 119...
Page 126 RED250mobile System User Guide Good calibration results The results of a calibration have two parts: Left Usage and Right Usage - For each eye, the ratio of accepted calibration points to the number of shown calibration points is displayed. Accuracy (X/Y) Left Eye and Right Eye - The accuracy of the gaze is indicated by the value shown.
Page 127: Recalibrating On A Point
Setting mode and recalibration is no longer possible. To recalibrate on a specific calibration point: 1. Using the mouse, move over the point to be recalibrated. 2. A floating hint will appear - Click to recalibrate. © 2015 SensoMotoric Instruments (SMI) Page 121...
Page 128 RED250mobile System User Guide Recalibrating on a point 3. Click on the hint and follow the process as in running a 1 Point calibration. See Running a Calibration. 4. The new data will be merged with the previous calibration and the entire calibration will then be adapted as described above.
Page 129 Setting the Calibration Area Chapter...
Page 130: Setting The Calibration Area
RED250mobile System User Guide 12. Setting the Calibration Area The default positions of the calibration points are optimized to gain best performance over the full screen area. If you use only a part of the screen, you may want to consider moving the calibration points to this certain area.
Page 131 Calibration area w arning For positioning of calibration points, refer to the respective sections below for each calibration method. 4. The application will go into full screen mode with the target points showing in each quadrant. © 2015 SensoMotoric Instruments (SMI) Page 125...
Page 132 RED250mobile System User Guide Calibration Area show ing 5 points 5. Adjust the position of the target points and click OK. 6. If necessary, any changes made can be reset to default by clicking Default values. 7. When done, click OK to return to the Calibration tab.
Page 135 Using Live Gaze View Chapter...
Page 136 RED250mobile System User Guide 13. Using Live Gaze View Live Gaze View can be used to show the area on the screen at which the participant is gazing. Run a calibration before using this Live Gaze View for best performance.
Page 137 Using Live Gaze View Live Gaze View 4. Exit by clicking the Live Gaze View button. © 2015 SensoMotoric Instruments (SMI) Page 131...
Page 139 Setting the Tracking Mode Chapter...
Page 140 RED250mobile System User Guide 14. Setting the Tracking Mode iViewRED provides four tracking modes that can improve the eye tracking of participants with various eye characteristics. This can be eye conditions such as "lazy eyes" or having a glass eye. It can also assist tracking of participants wearing glasses or contact lenses.
Page 141 Additional Information Chapter...
Page 142 RED250mobile System User Guide 15. Additional Information This section includes additional topics for the RED250mob ile Eye Tracker. 15.1 Shutting Down iViewRED To shut down iViewRED: 1. Click the standard Windows™ close icon (the "X" icon). 2. Click Quit from the dialog that appears.
Page 143 ”Presentation” entry in the Power Schemes list. Disable the USB selective suspend settings on a Desktop PC. This prevents the USB port from suspending during the usage of iViewRED. To disable this setting in Windows™ 7: © 2015 SensoMotoric Instruments (SMI) Page 137...
Page 144 RED250mobile System User Guide Select Control Panel > Hardware and Sound > Power Options. Pow er Options dialog In the Power Options window, select Change Power Settings from the Preferred Plan area, and then select Change plan settings. In the Changes settings for the plan window, select Change Advanced Power Settings.
Page 145 Firmware Outdated - This indicates that you need to download and install the latest version of the software using the Check for updates link in the Extras tab of the iViewRED application. © 2015 SensoMotoric Instruments (SMI) Page 139...
Page 146 RED250mobile System User Guide See Checking for Software Updates. Can I use the RED250mobile Eye Tracker with other USB connected devices? The RED250mob ile Eye Tracker is a high performance USB device that requires a certain amount of available bandwidth from the USB port.
Page 147 Settings tab. These images are hidden by default. To show eye images: 1. Right-click on the Eye Tracking Monitor in the Settings tab. Show Eye Images 2. The processed eye images from the RED250mob ile Eye Tracker will be displayed. © 2015 SensoMotoric Instruments (SMI) Page 141...
Page 148 RED250mobile System User Guide Show ing Eye Images 3. Right-click on the Eye Images and click Hide eye images to return to the Eye Tracking Monitor. Page 142 © 2015 SensoMotoric Instruments (SMI)
Page 149 Mounting Bracket from the Magnetic Strip by inserting a pin the detachment hole provided on the Mounting Bracket. Detachment hole for removing Mounting Bracket 15.5 Checking for Software Updates To update iViewRED: 1. On the Info tab, click Check for Updates. © 2015 SensoMotoric Instruments (SMI) Page 143...
Page 150 RED250mobile System User Guide Check for Updates on the Info tab 2. If no current updates are available, no executable will be downloaded. 3. If a newer version is available, an executable will be downloaded. Save it to your local drive for installation.
Page 151 Additional Information the iViewRED application and additional application software such as the SMI Experiment Suite 360°, or other 3rd party applications. Application software accesses the RED250mob ile Eye Tracker through an exposed API (Application Programming Interface) provided in the Driver and Service Layer.
Page 152 It also differs depending on whether your application runs on the same PC as iViewRED or if you are working in a Dual PC configuration. 15.7.1 Interfacing with SMI Experiment Center Interfacing with SMI Experiment Center is particularly simple. Before...
Page 153 . You can find 127.0.0.1 SendIPAddress RecvIPAddress IP Address and Port of the iViewRED PC on the Info Tab. These will need to be inserted for SendIPAddress SendPort are determined by the PC running RecvIPAddress ReceivePort © 2015 SensoMotoric Instruments (SMI) Page 147...
Page 154 RED250mobile System User Guide your application. IP Address and Port For further information, consult the SDK User Guide or the User Guide of the application you are using. 15.7.2.2Working in a Dual PC configuration When iViewRED and the application interacting with iViewRED are running on two different PCs, the connection will need to be established physically with a hardware ethernet network connection.
Page 155 SendPort are determined by the PC running RecvIPAddress ReceivePort your application. IP Address and Port For further information, consult the SDK User Guide or the User Guide of the application you are using. © 2015 SensoMotoric Instruments (SMI) Page 149...
Page 156 SMI's comprehensive software package Experiment Suite . Eye tracking data is saved in a binary iView Data File (IDF) format. Also when working with other applications, this data can be analyzed with SMI's BeGaze analysis software, or processed with SMI's IDF Converter tool for custom evaluation purposes.
Page 157 For a 60 Hz sampling rate, a minimum trigger duration of 25 ms is recommended. Trigger signals will be time stamped and recorded in the IDF file. In the IDF export, trigger signals are available as a Trigger column if Show © 2015 SensoMotoric Instruments (SMI) Page 151...
Page 158 RED250mobile System User Guide Trigger is selected in the Export Options. Trigger signals can be represented either as hexadecimal or decimal values. When working with TTL signals, make sure that an LPT port is installed on your PC. Up to eight lines of the LPT port can be used as input on Pins 1 and 10 - 16.
Page 159 License Agreement and Warranty Chapter...
Page 160 (1) concurrent user. Licensee may use the Licensed Materials as necessary for trouble shooting provided that, despite a written request by Licensee, SMI has not offered to rectify the defect within a reasonable period of time and on reasonable terms.
Page 161 SMI software. Licensee may sell or give away the Software to a third party on a permanent basis provided that (i) such third party agrees vis-à-vis SMI to comply with the terms of this Agreement defining the scope of the...
Page 162 If Licensed Materials show a defect during the limitation period specified in Sec. 5 d), which already existed at the time of transfer of risk, SMI will, at its own option and discretion, either provide Licensee with a corrected Page 156...
Page 163 Licensee’s or a third party’s modifications of Licensed Materials; in as far as Licensee has not notified SMI of apparent defects within five (5) business days of delivery and of hidden defects within five (5) business days of discovery.
Page 164 If the analysis of an alleged defect shows that it is not covered by the above warranty, SMI may charge for the failure analysis and correction of the defect, if any, at SMI’s then applicable rates.
Page 165 Agreement and which could have been foreseen. In cases of Sections 6 b) and d), SMI’s liability is limited to a maximum amount of EURO 500.000, respectively EURO 100.000 for financial losses.
Page 166 Licensee Indemnity. Licensee will defend and indemnify SMI, and hold it harmless from all costs, including attorney’s fees, arising from any claim that may be made against SMI by any third party as a result of Licensee’s use of Licensed Materials, excluding claims for which SMI is obligated to defend or indemnify Licensee under Section 7.
Page 167 Agreement or any of its rights or obligations hereunder. 11) Entire Agreement; Written Form Requirement. Unless otherwise specified herein, SMI’s General Terms and Conditions for the Supply of Products and Services available at http://www. smivision.com/en/gaze-and-eye-tracking-systems/support/ documents-download.html...
Page 169 About SMI Chapter...
Page 170 OEM solutions for a wide range of applications. Founded in 1991 as a spin-off from academic research, SMI was the first company to offer a commercial, vision-based 3D eye tracking solution.
Page 171 Setting 35, 124 - D - Calibration Method 102, 124 Declaration of Conformity 10 0 Point 35, 106 Default Values, resetting to 35 1 Point 35, 107 Depth 30 13 Point 35, 112 © 2015 SensoMotoric Instruments (SMI) Page 165...
Page 172 RED250mobile System User Guide Desktop Monitor 86 - G - Selecting 79 Geometry tab 86 Detect Settings Automatically 30 1-2 Button 30, 78, 86 Display measurements About 78 Screen Height 78, 91 Depth 30, 86 Screen Width 78, 91 Detect Settings Automatically 30, 86...
Page 173 - N - Removing Profile 75 Netw ork drive - S - Cannot start Eye Tracker from 137 Sampling Frequency New Profile 72 Setting 40 Not connected, error message 137 Screen Height 30, 91 © 2015 SensoMotoric Instruments (SMI) Page 167...
Page 174 RED250mobile System User Guide Screen Width 30, 91 Smart Tracking Setting 40, 134 SDK 22 Select Display 30, 78 About 164 Select Profile 72, 74, 75 Contacting 3 Semi-Automatically Accepting points 35 Softw are structure Application Layer 144 Setting 86...
Page 175 Updating iView RED 143 Usage in Calibration results 119 USB connected devices Using w ith Eye Tracker 19, 137 - V - Validate Running 35, 116 - W - Warnings and Magnets 6 Warranty 154 © 2015 SensoMotoric Instruments (SMI) Page 169...