JPEG AIC-3 and AIC-4

The JPEG Committee has launched new activities on the Assessment of Image Coding, also referred to as JPEG AIC. This activity is a continuation of the previous standardization efforts (AIC-1 and AIC-2) and aims to develop new standards, known as AIC-3 and AIC-4. They both focus on methodologies for fine-grained image quality assessment in the range from good quality up to mathematically lossless. Both estimate visual fidelity by quantifying perceptual differences between a source image and distorted (compressed) images in units of Just-Noticeable-Difference (JND).

The new AIC-3 standard defines a new methodology for subjective image quality assessment. A Call for Contributions was released in October 2022, and three contributions were received in April 2023. The collaborative process was initiated at the 99th JPEG Meeting, April 2023. The standard is now in the final stages of standardization.

The AIC-4 activity is considering objective image quality assessment. The final Call for Proposals was launched in April 2025. The collaborative process is planned to take place in 2026.

Interested parties are invited to subscribe to the email reflector (jpeg-aic).