Best Practices for Production Line Camera Color Calibration

An important step in the color image processing pipeline for modern digital cameras is the transform from camera response resulting from scene spectral radiance to objective colorimetric or related quantities. Per-camera-module production line calibration of white balance, color shading, color transformation, and other parameters is essential to achieve high yield, high quality, and low cost.

Historically, simple color charts have been used for this purpose but due to inherent limitations, the industry is adopting modern spectral approaches which provide greater flexibility and quality. Best practices for production line per-module camera color calibration are overviewed herein.