human visual system
1Human visual system model — A human visual system model (HVS model) is used by image processing, video processing and computer vision experts to deal with biological and psychological processes that are not yet fully understood. Such a model is used to simplify the… …
2Visual system — The visual system includes the eyes, the connecting pathways through to the visual cortex and other parts of the brain. The illustration shows the mammalian system. The visual system is the part of the central nervous system which enables… …
3Visual descriptors — describe the visual features of the contents in images or videos. They describe elementary characteristics such as the shape, the color, the texture or the motion, among others.IntroductionAs a result of the new communication technologies and the …
4Visual cryptography — is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that the decryption can be performed by the human visual system, without the aid of computers.Visual cryptography was pioneered by… …
5Visual short term memory — In the study of vision, visual short term memory (VSTM) is one of three broad memory systems including iconic memory and long term memory. VSTM is a type of short term memory, but one limited to information within the visual domain. The term VSTM …
6Visual routine — A visual routine is a means of extracting information from a visual scene. In his studies on human visual cognition, Shimon Ullman proposed that the human visual system s task of perceiving shape properties and spatial relations is split into two …
7Visual networking — refers to an emerging class of user applications that combine digital video and social networking capabilities. It is based upon the premise that visual literacy, the ability to interpret, negotiate and make meaning from information presented in… …
8Visual snow — is a transitory or persisting visual symptom where people see snow or television like static in parts or the whole of their visual fields, especially against dark backgrounds. It is much like camera noise in low light conditions. The severity or… …
9Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
10Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… …
