Canon MG8100 series On-Screen Manual page 261

When you select an image, a checkmark appears in its checkbox.
(Clear all check-marks)
Cancels all image selections in the Captured frame(s) area.
(Correct image)
Displays the Correct Captured Frames window in which you can correct all the images selected in
the Captured frame(s) area.
Note
When a frame in which the subject or camera has moved significantly is captured, the image
may not be corrected properly.
(1) Task Area
Noise Reduction
Reduces noise (tonal variation that may appear in images taken in dark locations such as night
scenes using a digital camera).
Enhance resolutions
Select this checkbox to reduce the jaggies (roughness) in images.
Apply to all frames
Select this checkbox to correct all the images displayed in the thumbnail list.
OK
Applies Noise Reduction to the selected images or all images. Noise will be reduced to make
the images more vivid.
Note
Correction may take time depending on your environment.
When the Enhance resolutions checkbox is selected, Noise Reduction and Enhance
resolutions are applied simultaneously.
Reset Selected Frames
Cancels all corrections applied to the selected images.
Exit
Closes the Correct Captured Frames window and returns to the Video Frame Capture or Movie
Print window.
Source images will be overwritten by the corrected ones.