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CoaxPress VT Series User Manual

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  • Page 2 VT CoaXPress series Revision History Version Date Description 2016-03-18 Initial Release Added the following models: VT-3K7X-E250  VT-3K7X-H250  VT-4K5X-E200  VT-4K5X-H200 2017-05-10  VT-6K3.5X-E160  VT-6K3.5X-H160  VT-16K5X-H140  VT-23K3.5X-H100  Added the values for the CXP Link Configuration Preferred Switch / CXP ...
  • Page 3 VT CoaXPress series Version Date Description 2021-05-12 Corrected the orientation of the 4-pin connector in the user manual 2021-09-24 Deleted the “Exposure Control” text in the “Main Features” 2021-09-30 Added how-to make the necessary settings to use the “Multi-Link” function...

  • Page 4: Table Of Contents

    7.2.1 CoaXPress BNC Connector (75 Ω BNC Receptacle) ..............35 7.2.2 CoaXPress DIN Connector (75 Ω 1.0/2.3 DIN Receptacle) ............35 7.3 Power Input Receptacle ......................37 7.4 Control I/O Receptacle ......................38 7.5 Trigger / Direction Input Circuit ....................39 7.6 Strobe Output Circuit ......................
  • Page 5 Generating and Saving User PRNU Correction Values ..............63 9.11 Reverse X ..........................64 9.12 CXP Link Configuration ......................65 9.13 CXP Multi-Link Configuration (M72/M95 based VT Series Only) ........... 66 9.14 Strobe Mode ......................... 67 9.15 Device User ID ........................68 9.16 Device Reset .........................
  • Page 6 VT CoaXPress series Appendix A Field Upgrade ....................75 A.1 MCU............................75 A.2 FPGA ............................ 77 A.3 XML ............................78 Appendix B LUT Download ....................79 B.1 Gamma Graph Download ...................... 79 B.2 CSV File Download ....................... 81 Appendix C Correction Control ..................

  • Page 7: Precautions

    VT CoaXPress series 1 Precautions General Do not drop, disassemble, repair or alter the device. Doing so may damage the camera  electronics and cause an electric shock. Do not let children touch the device without supervision.  Stop using the device and contact the nearest dealer or manufacturer for technical ...
  • Page 8 VT CoaXPress series Cleaning the Sensor Surface Avoid cleaning the surface of the camera’s sensor if possible. If you have dust or foreign matter on the sensor surface, use a soft lint free cotton bud dampened with a small quantity of high quality lens cleaner. Because electrostatic discharge (ESD) can damage the sensor, you must use a cloth (e.g.

  • Page 9: Warranty

    VT CoaXPress series 2 Warranty Do not open the housing of the camera. The warranty becomes void if the housing is opened. For information about the warranty, please contact your local dealer or factory representative. 3 Compliance & Certifications FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.

  • Page 10: Package Components

    VT CoaXPress series 4 Package Components Package Components VT-9K7X-E/H120 / 12K5X-E/H100 / 18K3.5X-E/H80 Camera with M72 0.75 mount VT-6K10X-E/H170 / 9K7X-E/H250 / 12K5X-E/H200 / 18K3.5X-E/H140 Camera with M72 0.75 mount Page 10 of 86 VW40-157-005...
  • Page 11 VT CoaXPress series Package Components VT-3K7X-E/H250 / VT-4K5X-E/H200 / VT-6K3.5X-E/H160 Camera with M42 mount VT-16K5X-E/H140 / VT-23K3.5X-E/H100 Camera with M95 mount Page 11 of 86 VW40-157-005...

  • Page 12: Product Specifications

    Its new CoaXPress interface supports transmitting image data at up to 25 Gbps using a common coax cabling. Featured with high speed and high resolution, VT series is ideal for demanding applications such as flat panel display inspection, wafer inspection, printed circuit board inspection, and high-performance document scanning.

  • Page 13: Specifications

    8 / 10 / 12 bit TDI Stage 32 / 64 / 96 / 128 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 172 ㎑ Max. Line Rate 10 bit 172 ㎑...
  • Page 14 8 / 10 / 12 bit TDI Stage 32 / 64 / 96 / 128 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 250 ㎑ Max. Line Rate 10 bit 215 ㎑...
  • Page 15 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 200 ㎑ Max. Line Rate 10 bit 160 ㎑...
  • Page 16 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 140 ㎑ Max. Line Rate 10 bit 112 ㎑...
  • Page 17 8 / 10 / 12 bit TDI Stage 32 / 64 / 96 / 128 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 125 ㎑ Max. Line Rate 10 bit 125 ㎑...
  • Page 18 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 100 ㎑ Max. Line Rate 10 bit 100 ㎑...
  • Page 19 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 80 ㎑ Max. Line Rate 10 bit 80 ㎑...
  • Page 20 8 / 10 / 12 bit TDI Stage 32 / 64 / 96 / 128 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 250 ㎑ Max. Line Rate 10 bit 250 ㎑...
  • Page 21 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 200 ㎑ Max. Line Rate 10 bit 200 ㎑...
  • Page 22 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 160 ㎑ Max. Line Rate 10 bit 146 ㎑...
  • Page 23 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 140 ㎑ Max. Line Rate 10 bit 117 ㎑...
  • Page 24 8 / 10 / 12 bit TDI Stage 64 / 128 / 192 / 256 TDI Direction External Control Port or Programmable Free-Run, External Trigger Signal, CoaXPress Trigger Synchronization Programmable Line Rate and Trigger Polarity 8 bit 100 ㎑ Max. Line Rate 10 bit 82 ㎑...

  • Page 25: Camera Block Diagram

    VT CoaXPress series Camera Block Diagram VT series consists of three printed circuit boards (PCB), and its block diagram is shown below. Figure 5.1 M72 and M95 mount based Camera Block Diagram Page 25 of 86 VW40-157-005...
  • Page 26 VT CoaXPress series Figure 5.2 M42 mount based Camera Block Diagram Page 26 of 86 VW40-157-005...

  • Page 27: Spectral Response

    VT CoaXPress series Spectral Response The following graph shows the spectral response for VT series. Figure 5.3 Quantum Efficiency (Monochrome) Page 27 of 86 VW40-157-005...

  • Page 28: Mechanical Specification

    VT CoaXPress series Mechanical Specification The camera dimensions in millimeters are shown in the following figure. Figure 5.4 M72 mount based VT CXP Series Mechanical Dimension (continuous) Page 28 of 86 VW40-157-005...
  • Page 29 VT CoaXPress series Figure 5.5 M72 mount based VT CXP Series Mechanical Dimension Page 29 of 86 VW40-157-005...
  • Page 30 VT CoaXPress series Figure 5.6 M42 mount based VT CXP Series Mechanical Dimension Page 30 of 86 VW40-157-005...

  • Page 31: Camera Mounting And Heat Dissipation

    You must mount the camera on a heat dissipation structure to maintain the temperature of the camera housing at 50℃ or less. Given the low power consumption of the VT series camera, its housing temperature during operation will generally stay within the specified limits. However, overheating can occur if heat dissipation is restricted or if the camera is mounted on a severe environment.

  • Page 32: Connecting The Camera

    Make sure that the power supply is not connected to the camera and your computer is turned off. Go on to step 2 if you are using a power supply.  Go on to step 3 if you are using a Power over CoaXPress (PoCXP) Frame Grabber.  If you are using a power supply: Plug one end of a coax cable into the CH1 of the CXP connector on the camera and the other end of the coax cable into the CH1 of the CXP Frame Grabber in your computer.

  • Page 33: Precaution To Connect The Cxp Cables

    VT CoaXPress series Precaution to Connect the CXP Cables External or system vibrations may result in loosening or disengagement of the CXP cables from the CXP DIN connectors. Vieworks recommends that you make a connector locking bracket for your application or use a dedicated locking bracket (available from Vieworks, sold separately) for securing the cables to the CXP DIN connectors.

  • Page 34: Camera Interface

    VT CoaXPress series 7 Camera Interface General Description As shown in the figure below, 3 types of connectors and a status indicator LED are located on the back of the camera and have the functions as follows: ① CoaXPress connector: controls video data and the camera.

  • Page 35: Coaxpress Connector

    VT CoaXPress series CoaXPress Connector CoaXPress protocol includes an automatic link detection mechanism (Plug and Play) to correctly detect the camera to the CXP Frame Grabber connection. The connection between the camera and CXP Frame Grabber uses a coax (also known as ‘coaxial’) cable and provides up to 6.25 Gbps bit rate per cable. The cameras can be powered over the coax cable if you are using a PoCXP enabled Frame Grabber.
  • Page 36 VT CoaXPress series The CoaXPress connector on the VT CXP camera complies with the CoaXPress standard and the following table shows the channel assignments. Channel Max. Bit Rate per Coax Type PoCXP Compliant 6.25 Gbps Master Connection 6.25 Gbps Extension Connection 6.25 Gbps...

  • Page 37: Power Input Receptacle

    VT CoaXPress series Power Input Receptacle The power input receptacle is a Hirose 6-pin connector (part # HR10A-7R-6PB). The pin assignments and configurations are as follows: Figure 7.5 Pin Assignments for 6-pin Power Input Receptacle Pin Number Signal Type Description...

  • Page 38: Control I/O Receptacle

    VT CoaXPress series Control I/O Receptacle The control I/O receptacle is a Hirose 4-pin connector (part # HR10A-7R-4S) and consists of an external trigger signal input and strobe output ports. The pin assignments and configurations are as follows: Figure 7.6 Pin Assignments for 4-pin Control I/O Receptacle...

  • Page 39: Trigger / Direction Input Circuit

    VT CoaXPress series Trigger / Direction Input Circuit The following figure shows trigger signal and TDI direction input circuit of the 4-pin connector. Transmitted trigger and TDI direction signal is applied to the internal circuit through a CMOS buffer with a good noise margin. The minimum trigger width that can be recognized by the camera is 1 ㎲.

  • Page 40: Acquisition Control

    VT CoaXPress series 8 Acquisition Control This chapter provides detailed information about the following elements involved with the image acquisition. Acquisition Start/Stop commands and Acquisition Mode parameter  Line Start trigger  Line Rate control  Acquisition Start/Stop Commands and Acquisition Mode The Acquisition Start command prepares the camera to acquire images.

  • Page 41: Line Start Trigger

    VT CoaXPress series Line Start Trigger The Trigger Selector parameter is used to select a type of trigger and only the Line Start trigger is available on the VT CXP camera. The Line Start trigger is used to begin line acquisition.
  • Page 42 VT CoaXPress series The rate at which the line start trigger signals are generated may be determined by the camera’s Acquisition Line Rate parameter. If the parameter is set to a value less than the maximum allowed line rate with the current camera settings, ...
  • Page 43 VT CoaXPress series 8.2.1.2 Trigger Mode = On When the Trigger Mode parameter is set to On, you must apply a line start trigger signal to the camera each time you want to begin an image acquisition. The Trigger Source parameter specifies the source signal that will act as the line start trigger signal.

  • Page 44: Using An External/Coaxpress Trigger Signal

    To apply trigger signals via CH1 of the CXP Frame Grabber, you must set the Trigger Source parameter to CXPin. At that point, each time a proper CoaXPress trigger signal is applied to the camera by using the APIs provided by a CXP Frame Grabber manufacturer, the line start trigger signal will be applied to the camera.

  • Page 45: Trigger Rescaler Mode

    VT CoaXPress series 8.2.3 Trigger Rescaler Mode In the Trigger Rescaler Mode, you can modulate the period of the external trigger signal as desired. For example, if you supply the external trigger signal into the camera’s I/O receptacle using the conveyor’s encoder, the number of output pulses per revolution of the encoder is fixed.

  • Page 46: Trigger Statistics

    VT CoaXPress series 8.2.4 Trigger Statistics The Trigger Statistics feature allows you to determine the trigger signals applied to the camera and then converted by the Trigger Rescaler. The XML parameters related to Trigger Statistics are as follows. XML Parameters...

  • Page 47: Maximum Allowed Line Rate

    VT CoaXPress series Maximum Allowed Line Rate In general, the maximum allowed acquisition line rate on the camera may be limited by the following factors: The maximum allowed bit rate per cable and the number of CXP Link Configuration ...
  • Page 48 VT CoaXPress series VT-9K7X-E/H120 VT-12K5X-E/H100 VT-18K3.5X-E/H80 Link Configuration CXP5  2 108 ㎑ 77 ㎑ 54 ㎑ CXP6  2 125 ㎑ 97 ㎑ 68 ㎑ CXP5  4 125 ㎑ 100 ㎑ 80 ㎑ CXP6  4 125 ㎑...

  • Page 49: Camera Features

    VT CoaXPress series 9 Camera Features Operation Mode VT CXP cameras have two different operation modes: Area and TDI (Time Delay and Integration). If the Operation Mode parameter is set to Area, the camera will operate as an area scan camera using two dimensional array of pixels.

  • Page 50: Tdi Stages

    VT CoaXPress series TDI Stages In the TDI mode, the TDI Stages parameter is used to determine the number of integration stages used by the camera. For example, if the TDI Stages parameter is set to 256, the camera will acquire images with 256...
  • Page 51 VT CoaXPress series The number of available TDI Stages for each camera model is as follows. Camera Model Available TDI Stage Values VT-3K7X-E250A-32 VT-3K7X-H250A-128 32 / 64 / 96 / 128 VT-4K5X-E200A-64 VT-4K5X-H200A-256 64 / 128 / 192 / 256 VT-6K3.5X-E160A-64...

  • Page 52: Scan Direction

    VT CoaXPress series Scan Direction In the TDI mode, the Scan Direction parameter is used to select the imaging sensor’s scan direction. You need to set the Scan Direction parameter to Forward if the object being imaged will pass the bottom of the camera, and then pass the top of the camera.

  • Page 53: Region Of Interest

    VT CoaXPress series Region of Interest The Region of Interest (ROI) feature allows you to specify a portion of the sensor lines. During operation, only the pixel information from the specified portion of the lines are read out of the sensor and transmitted from the camera to the frame grabber.

  • Page 54: Binning

    VT CoaXPress series Binning The Binning feature has the effects of increasing the scan speed and decreasing resolution by summing the values of the adjacent pixels and integrating them. This feature is particularly useful when you need to acquire line images with lower resolution. With the Binning feature, you can acquire lower resolution images without having to change the optics or lighting conditions.

  • Page 55: Pixel Format

    VT CoaXPress series Pixel Format The camera processes image data in the unit of 12 bit internally. You can determine the format of these image data transmitted from the camera by using the Pixel Format parameter. Figure 9.3 Data Format The XML parameters related to Pixel Format are as follows.

  • Page 56: Gain And Black Level

    VT CoaXPress series Gain and Black Level Increasing the Gain parameter increases all pixel values of the image. This results in a higher grey value output from the camera for a given amount of output from the image sensor. Selects a Gain Control parameter as desired.

  • Page 57: Lut

    VT CoaXPress series The Lookup Table (LUT) feature allows you to convert original image values to certain level values. Luminance Since it is mapped one to one for each level value, 12 bit output can be connected to 12 bit input. The LUT is in the form of table that has 4096 entries between 0~4095 and VT camera provides a non-volatile space for LUT data storage.
  • Page 58 VT CoaXPress series XML parameters related to LUT are as follows. XML Parameters Value Description LUTSelector Luminance Luminance LUT Activates the selected LUT. LUTEnable Deactivates the selected LUT. LUTIndex 0 ~ 4095 Index of coefficient for verifying the LUT value.

  • Page 59: Dark Signal Non-Uniformity Correction

    VT CoaXPress series Dark Signal Non-uniformity Correction In theory, when a digital camera acquires images in complete darkness, all of the pixel values in the image should be near zero and they should be equal. In practice, however, slight variations in the performance of the pixels in the sensor will cause some variations in the pixel values output from the camera when the camera is acquiring in darkness.

  • Page 60: Generating And Saving User Dsnu Correction Values

    VT CoaXPress series 9.9.1 Generating and Saving User DSNU Correction Values To generate and save user DSNU correction values, use the following procedure. For optimum DSNU correction results, we recommend to generate DSNU data after the temperature of the camera housing has been stabilized.
  • Page 61 VT CoaXPress series Figure 9.6 Generating and Saving DSNU Correction Values Page 61 of 86 VW40-157-005...

  • Page 62: Photo Response Non-Uniformity Correction

    VT CoaXPress series 9.10 Photo Response Non-uniformity Correction In theory, when a line scan camera acquires images with the camera viewing a uniform light-colored target in bright light, all of the pixel values in the image should be near the maximum grey value and they should be equal.

  • Page 63: Generating And Saving User Prnu Correction Values

    VT CoaXPress series 9.10.1 Generating and Saving User PRNU Correction Values To generate and save user PRNU correction values, use the following procedure. We strongly recommend that you generate new PRNU correction values whenever you  make a change to the optics or lighting or if you change the camera’s line rate.

  • Page 64: Reverse X

    VT CoaXPress series 9.11 Reverse X The Reverse X feature lets you flip the image horizontally. This feature is available in all operation modes. Figure 9.7 Original Image Figure 9.8 Reverse X Image The XML parameter related to Reverse X is as follows.

  • Page 65: Cxp Link Configuration

    VT CXP camera must be connected to a CXP Frame Grabber installed in your computer via CoaXPress interface. CoaXPress interface allows you to connect a camera to a CXP Frame Grabber by using simple coax cabling and allows up to 6.25 Gbps data rate per cable. Four channel VT CXP cameras support one master connection and up to three extension connections to configure a link.

  • Page 66: Cxp Multi-Link Configuration (M72/M95 Based Vt Series Only)

    Extension Link. Figure 9.10 CXP Multi-Link Configuration The XML parameter related to the multiple link configuration between the camera and CXP Frame Grabbers is located in the CoaXPress category under the Transport Layer Control as shown below. XML Parameters Value...

  • Page 67: Strobe Mode

    VT CoaXPress series 9.14 Strobe Mode VT CXP camera can output pulse signals through the control I/O receptacle. You can set a width of the pulse signal by using the Strobe Mode feature. This feature is useful when you need to supply source signals to the other devices such as a Strobe Controller.

  • Page 68: Device User Id

    VT CoaXPress series 9.15 Device User ID You can input user defined information up to 16 bytes. The XML parameter related to Device User ID is as follows. XML Parameters Description DeviceControl DeviceUserID Inputs user defined information (16 byte). Table 9.16 XML Parameter related to Device User ID 9.16...

  • Page 69: Temperature Monitor

    VT CoaXPress series 9.17 Temperature Monitor The camera has an embedded sensor chip to monitor the internal temperature. The XML parameter related to Device Temperature is as follows. XML Parameters Description DeviceControl DeviceTemperature Displays device temperature in Celsius. Table 9.18 XML Parameter related to Device Temperature 9.18...

  • Page 70: Test Pattern

    VT CoaXPress series 9.19 Test Pattern To check normal operation of the camera, it can be set to output test patterns created inside, instead of image data from the imaging sensor. There are three types of test pattern; image with different value in horizontal direction (Grey Horizontal Ramp), image with different value in diagonal direction (Grey Diagonal Ramp), and moving image with different value in diagonal direction (Grey Diagonal Ramp Moving).
  • Page 71 VT CoaXPress series Figure 9.12 Grey Diagonal Ramp Figure 9.13 Grey Diagonal Ramp Moving The test pattern may look different because the region of the test pattern may vary depending on the camera’s resolution. Page 71 of 86 VW40-157-005...

  • Page 72: User Set Control

    VT CoaXPress series 9.20 User Set Control You can save the current camera settings to the camera’s internal ROM. You can also load the camera settings from the camera’s internal ROM. The camera provides two setups to save and three setups to load settings.

  • Page 73: Factory Default Setting Values

    Table 9.22 Factory Default Setting Values 9.21 Field Upgrade The camera provides a feature to upgrade Firmware and FPGA logic through CoaXPress interface rather than disassemble the camera in the field. Refer to Appendix A for more details on how to upgrade.

  • Page 74: Troubleshooting

    VT CoaXPress series 10 Troubleshooting When you have a problem with a Vieworks camera, please check the followings: If no image is displayed on your computer,  Ensure that all cable connections are secure.  Ensure that the power supply is properly connected.

  • Page 75: Appendix A Field Upgrade

    VT CoaXPress series Appendix A Field Upgrade Run Vieworks Imaging Solution 7.X and click the Configure button to display the window as shown below. Select the MCU tab, click the File Path button, search and select the MCU upgrade file, and then click the Download button.
  • Page 76 VT CoaXPress series Once all the processes have been completed, turn the camera power off and turn it back on again. Check the Device Version parameter value in the Device Control category to confirm the version. Page 76 of 86...

  • Page 77: Fpga

    VT CoaXPress series FPGA Run Vieworks Imaging Solution 7.X and click the Configure button to display the window as shown below. Select the FPGA tab, click the File Path button, search and select the FPGA upgrade file, and then click the Download button.

  • Page 78: Xml

    VT CoaXPress series Run Vieworks Imaging Solution 7.X and click the Configure button to display the window as shown below. Select the XML tab, click the File Path button, search and select the XML upgrade file, and then click the Download button.

  • Page 79: Appendix Blut Download

    VT CoaXPress series Appendix B LUT Download You can create LUT data in two different ways; by adjusting the gamma values on the gamma graph provided in the program and then downloading the data or by opening a CSV file (*.csv) and then downloading the data.
  • Page 80 VT CoaXPress series Click the Download button to download the gamma values to the camera. After completing the download, click the OK button to close the confirmation. Page 80 of 86 VW40-157-005...

  • Page 81: Csv File Download

    VT CoaXPress series CSV File Download Create the LUT table in Microsoft Excel format as shown in the left picture below and save as a CSV file (*.csv). The picture in the right shows the created file opened in Notepad. Once the file has been created completely, change the .csv file extension to .lut.
  • Page 82 VT CoaXPress series Search and select the created LUT file and click the Open button. Click the Download button. After completing the download, click the OK button to close the confirmation. Page 82 of 86 VW40-157-005...

  • Page 83: Appendix C Correction Control

    VT CoaXPress series Appendix C Correction Control The VT CXP cameras provide an additional feature to adjust DSNU or PRNU correction values after the DSNU or PRNU Correction feature is enabled. You can specify a pixel or region of the sensor and the pixel information from the specified portion will be adjusted according to the DSNU or PRNU coefficient value.

  • Page 84: Adjusting And Saving Additional Dsnu Correction Value

    VT CoaXPress series Adjusting and Saving Additional DSNU Correction Value For example, if you want to apply -2 black level from the 100 pixel to the 109 pixel, follow the procedures below. Set the Start X parameter to 99. Set the End X parameter to 108.

  • Page 85: Adjusting And Saving Additional Prnu Correction Value

    VT CoaXPress series Adjusting and Saving Additional PRNU Correction Value For example, if you want to apply 1.1 gain from the 100 pixel to the 109 pixel, follow the procedures below. Set the Start X parameter to 99. Set the End X parameter to 108.
  • Page 86 http://www.vieworks.com vision@vieworks.com...

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