I have a feature detection algorithm, which works well on the left and right infrared images of D435i. However, as I change the camera to D415, the algorithm failed because the left and right infrared images look very dark compared with D435i. I want to make the infrared image brighter. I play with the parameters of exposure time and gain in the RealSense Viewer and found both parameters can make the image brighter.
1. Which parameter should I use in order to increasing the contrast and also making the image brighter?
2. If I set the gain or the exposure time via the API, does this mean the auto exposure will be disabled automatically?
3. Should I use depth_sensor.set_option(RS2_OPTION_DIGITAL_GAIN, value) to change the gain?
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