Raw Processing Options

摘要

Shooting JPEG images is similar to shooting color negative film and handing the roll to a photo lab for processing and printing.The results-overall-are generally good.But someone else is making decisions about sharpness,white balance,saturation,and other vital parameters that determine how the final image looks.In the case of digital cameras,a group of engineers decide how much sharpening to apply to an image file,which colors to favor,and how to handle every other variable.These decisions are programmed into an ASIC (Application Specific Integrated Circuit) that processes the digital signals before they're written to the memory card.