Facial expressions are an important way through which humans interact socially. Building a
system capable of automatically recognizing facial expressions from images and video has …

Hand gesture recognition is viewed as a significant field of exploration in computer vision
with assorted applications in the human–computer communication (HCI) community. The …

Human face detection plays an important role in applications such as video surveillance,
human computer interface, face recognition, and face image database management. We …

Skin detection plays an important role in a wide range of image processing applications
ranging from face detection, face tracking, gesture analysis, content-based image retrieval …

This work presents a study of three important issues of the color pixel classification approach
to skin segmentation: color representation, color quantization, and classification algorithm …

Psychological research findings suggest that humans rely on the combined visual channels
of face and body more than any other channel when they make judgments about human …

Automatic recognition of facial gestures (ie, facial muscle activity) is rapidly becoming an
area of intense interest in the research field of machine vision. In this paper, we present an …

This paper presents a new human skin color model in YCbCr color space and its application
to human face detection. Skin colors are modeled by a set of three Gaussian clusters, each …

A reliable human skin detection method that is adaptable to different human skin colors and
illumination conditions is essential for better human skin segmentation. Even though …

Osteoarthritis (OA) is the most common form of arthritis. According to the evidence presented
on both sides of the knee bones, radiologists assess the severity of OA based on the …