The photographer's original reading method

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The original meaning of "raw" is "unprocessed"

It can be understood that the RAW image is the original data that a CMOS or CCD image sensor converts the captured light source signal into a digital signal. RAW file is a file that records the original information of digital camera sensor and some metadata (such as ISO setting, shutter speed, aperture value, white balance, etc.). ) camera shooting production. RAW is an unprocessed and compressed format, which can be conceptualized as "original image encoded data" or more vividly called "digital negative". The full name of RAW format is RAW Image Format, which is called original in programming.