: An image like 000029.jpg is represented as a 3D matrix of pixels. For color images, each pixel contains three channels— Red, Green, and Blue (RGB) —typically with intensity values ranging from 0 to 255.
: The .jpg or .jpeg extension indicates a lossy compression format developed by the Joint Photographic Experts Group . It reduces file size by discarding less-perceptible color data while maintaining high visual quality. 000029.jpg
: Research datasets accompany these images with XML or JSON files that define "bounding boxes" around objects of interest (e.g., a car or a person). : An image like 000029