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  2. William Coldstream - Wikipedia

    en.wikipedia.org/wiki/William_Coldstream

    As a student at the Slade in 1931, Coldstream met and married Nancy Sharp. The marriage lasted until 1942, and produced two daughters. In 1960 he married his model, Monica Hoyer, and together they had three children, a boy and two girls. [6] Coldstream's cousin, Nicolas Coldstream, was a leading archaeologist and academic. [18]

  3. Relativistic beaming - Wikipedia

    en.wikipedia.org/wiki/Relativistic_beaming

    Only a single jet is visible in M87. Two jets are visible in 3C 31.. In physics, relativistic beaming (also known as Doppler beaming, Doppler boosting, or the headlight effect) is the process by which relativistic effects modify the apparent luminosity of emitting matter that is moving at speeds close to the speed of light.

  4. Edge detection - Wikipedia

    en.wikipedia.org/wiki/Edge_detection

    Sharp and thin edges lead to greater efficiency in object recognition. If Hough transforms are used to detect lines and ellipses, then thinning could give much better results. If the edge happens to be the boundary of a region, then thinning could easily give the image parameters like perimeter without much algebra.

  5. A rare sight: Here’s how to catch a glimpse of the elusive ...

    www.aol.com/news/rare-sight-catch-glimpse...

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  6. Visual perception - Wikipedia

    en.wikipedia.org/wiki/Visual_perception

    The resulting perception is also known as vision, sight, or eyesight (adjectives visual, optical, and ocular, respectively). The various physiological components involved in vision are referred to collectively as the visual system , and are the focus of much research in linguistics , psychology , cognitive science , neuroscience , and molecular ...

  7. What to know about nervous system disease 'ataxia' - AOL

    www.aol.com/news/know-nervous-system-disease...

    Head injuries, migraines, alcohol use, ear infections and medications can all affect your musculoskeletal system and thereby impede your ability to balance. Aging can play a major role as well.

  8. Chinese premier promises more pandas and urges Australia to ...

    www.aol.com/news/chinese-premier-promises-more...

    Chinese Premier Li Qiang's visit to Australia on Sunday focused on positive aspects of the bilateral relationship including shared giant pandas and a rebounding wine trade as he promised a new ...

  9. Edge-preserving smoothing - Wikipedia

    en.wikipedia.org/wiki/Edge-preserving_smoothing

    In many applications, e.g., medical or satellite imaging, the edges are key features and thus must be preserved sharp and undistorted in smoothing/denoising. Edge-preserving filters are designed to automatically limit the smoothing at “edges” in images measured, e.g., by high gradient magnitudes.