TLDR Dev · MISCELLANEOUS
IMAGE COMPRESSION
Summary from the TLDR Dev newsletter
Image compression techniques, including lossy and lossless methods, exploit characteristics of human visual perception to reduce file sizes. Formats like JPEG use a combination of chroma subsampling, discrete cosine transforms, and quantization for compression without noticeable quality loss, while GIF uses indexed color palettes and Lempel-Ziv-Welch algorithms to store limited color data.