Peal: Cas

is a large-scale Chinese face database created to evaluate face recognition algorithms, specifically focusing on four key types of variations known as PEAL : P ose, E xpression, A ccessories, and L ighting .

: The dataset provides metadata such as eye positions, face pose angles, and expression labels to help refine detection systems. Cas Peal

: The full database includes 99,594 images, while a publicly available subset called CAS-PEAL-R1 contains 30,900 images. is a large-scale Chinese face database created to