Img_20230302_113253_198.jpg [iPad]

Because the human eye is more sensitive to changes in brightness than color, some color information is discarded without significantly affecting the perceived quality.

The image is converted from RGB (Red, Green, Blue) to YCbCr, which separates brightness (luminance) from color (chrominance). IMG_20230302_113253_198.jpg

This is the primary "lossy" step where high-frequency information (fine detail) is reduced, significantly shrinking the file size. Metadata and Digital Footprints Because the human eye is more sensitive to

, which can pinpoint the precise location of the image. The Universal Standard Blue) to YCbCr