Images

Images: The core technology encoding visual information as binary data, leveraging algorithms for acquisition, manipulation, and high-efficiency compression.

Digital Images is the foundational technology converting light into a structured array of discrete picture elements (pixels), represented by binary data. Acquisition relies on semiconductor sensors like the Charge-Coupled Device (CCD) and CMOS, which capture light and convert it to an analog signal, then to digital (ADC). Processing algorithms then manipulate this data: for example, the Discrete Cosine Transform (DCT) enables the lossy compression standard JPEG, drastically reducing file sizes for efficient transmission. A standard 24-bit RGB pixel encodes over 16 million colors, making high-fidelity visual data the bedrock for modern applications (AI, medical imaging, digital photography).

https://en.wikipedia.org/wiki/Digital_image_processing