Locating human faces in photographs
International Journal of Computer Vision
Neural Network-Based Face Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Content-Based Image Retrieval at the End of the Early Years
IEEE Transactions on Pattern Analysis and Machine Intelligence
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Photographs and pictures created by humans present schemes and structures in their composition which can be analysed on semantic levels, irrespective of subject or content. The search for equilibrium in composition is a constant which enables us to establish a kind of image syntax, creating a visual alphabet from basic elements such as point, line, contour, texture, etc. This paper describes an operator which quantifies image equilibrium, providing a picture characterisation very close to a pixel matrix with considerable semantic content.