GoPro, Inc.
Reduction of Banding Artifacts in Image Processing

Abstract:

An image capture device may detect and repair banding artifacts in a video. The image capture device may include an image sensor and an image processor. The image sensor may capture a frame that includes a sinusoidal light waveform banding artifact. The image processor may detect a sinusoidal light waveform in the frame. The image processor may perform a sinusoidal regression. The image processor may obtain an inverted gain map. The image processor may apply the inverted gain map to the frame. The image processor may output the frame.