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 .
: Subjects are photographed wearing different accessories, including various pairs of glasses and different types of caps. Cas Peal
The database systematically varies images across these categories: is a large-scale Chinese face database created to
: Contains images of 1,040 individuals (595 males and 445 females). and closed eyes.
: Images are captured from multiple angles using a horizontal semicircular camera array to simulate different head rotations.
: Includes various facial expressions such as neutral, smile, surprise, frown, and closed eyes.