Friday, December 2, 2011

DV101: The 411 on 4:4:4, 4:2:2 and 4:2:0: Understanding Digital Cameras and Color DisseminationJay Holben, Jay Holben, Jay Holben

DV101: The 411 on 4:4:4, 4:2:2 and 4:2:0: Understanding Digital Cameras and Color DisseminationJay Holben, Jay Holben, Jay Holben
Many people get confused when it comes to discussing how digital cameras capture and record color information—as the two are mutually exclusive. As I covered in November's column, color information can be captured via three discrete sensors in the camera (one sensitive to red, one blue and one green light), or it can be captured via a single sensor with a color filter array. This color information is then processed and quite often compressed or altered before recording.

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