Items related to Contrast (Vision): Visual perception, Brightness, Luminance,...

Contrast (Vision): Visual perception, Brightness, Luminance, Band-pass filter, Spatial frequency, Visual system, Optical resolution, Photoreceptor ... Optics, Lateral inhibition, Ganglion cell - Softcover

 
9786130606213: Contrast (Vision): Visual perception, Brightness, Luminance, Band-pass filter, Spatial frequency, Visual system, Optical resolution, Photoreceptor ... Optics, Lateral inhibition, Ganglion cell
Softcover
ISBN 10: 6130606214 ISBN 13: 9786130606213
Publisher: Alphascript Publishing, 2010

Synopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Contrast is the difference in visual properties that makes an object (or its representation in an image) distinguishable from other objects and the background. In visual perception of the real world, contrast is determined by the difference in the color and brightness of the object and other objects within the same field of view. Because the human visual system is more sensitive to contrast than absolute luminance, we can perceive the world similarly regardless of the huge changes in illumination over the day or from place to place. The human contrast sensitivity function shows a typical band-pass shape peaking at around 4 cycles per degree with sensitivity dropping off either side of the peak. This tells us that the human visual system is most sensitive in detecting contrast differences occurring at 4 cycles per degree, i.e. at this spatial frequency humans can detect lower contrast differences than at any other spatial frequency.

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Reseņa del editor

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Contrast is the difference in visual properties that makes an object (or its representation in an image) distinguishable from other objects and the background. In visual perception of the real world, contrast is determined by the difference in the color and brightness of the object and other objects within the same field of view. Because the human visual system is more sensitive to contrast than absolute luminance, we can perceive the world similarly regardless of the huge changes in illumination over the day or from place to place. The human contrast sensitivity function shows a typical band-pass shape peaking at around 4 cycles per degree with sensitivity dropping off either side of the peak. This tells us that the human visual system is most sensitive in detecting contrast differences occurring at 4 cycles per degree, i.e. at this spatial frequency humans can detect lower contrast differences than at any other spatial frequency.

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Publisher
Alphascript Publishing
Publication date
2010
Language
English
ISBN 10 
6130606214
ISBN 13 
9786130606213
Binding
Tapa blanda
Number of pages
112
Editor
Miller Frederic P., Vandome Agnes F., McBrewster John