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: 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 evaluate face recognition algorithms, specifically focusing on four key types of variations known as PEAL : P ose, E xpression, A ccessories, and L ighting . Cas Peal
: Images are captured from multiple angles using a horizontal semicircular camera array to simulate different head rotations. : The full database includes 99,594 images, while
: The dataset provides metadata such as eye positions, face pose angles, and expression labels to help refine detection systems. : The dataset provides metadata such as eye
: Includes various facial expressions such as neutral, smile, surprise, frown, and closed eyes.
The database systematically varies images across these categories:
: Subjects are photographed wearing different accessories, including various pairs of glasses and different types of caps.