An image filter transforms pixels to produce a modified image or video frame. Applied to a live camera feed, it can render black-and-white imagery or add visual noise. section 15.3
Common browser-based approaches include:
- Process ImageData directly by iterating through red, green, blue, and alpha values. section 15.3
Adding video snow
A custom filter loops through frame data and, according to a slider-controlled probability, replaces RGB values with random colors. Repeating this per frame creates an analog-TV-style snow effect.

