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Quality of ERS-7 Camera Images

 

Here is an example of camera images taken by an ERS-210A (wb_indoor, shutter_mid, gain_low) and an ERS-7 (wb_indoor, shutter_mid, gain_high) looking at a white wall. The surface shows the camera image (just white), the height depicts the intensities in the Y, U, and V channels.

Y
U
V
ERS-210A
ERS-7

The comparison clearly shows the problems the ERS-7 camera has close to the image border and especially in the corners. In addition, the images of the ERS-7 are darker. That's why gain_high was used.