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For example, a circle swept along a straight axis would define a cylinder (see Figure). A rectangle swept along a straight axis would define a "brick" (see Figure). Four dimensions with contrastive values (i.e., mutually exclusive values) define the current set of geons (see Figure): Shape of cross section: round vs. straight.
An example of this would be the map in primary visual cortex (V1). Second-order representations, also known as a field discontinuity map, are maps that are organized such that it appears that a discontinuity has been introduced in either the visual field or the retina. The maps in V2 and other extrastriate cortex are second-order ...
Hybrid image: A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours: Illusory contours or subjective contours are a form of visual illusion where contours are perceived without a luminance or color change across the contour ...
English: These Regulations make provision for the protection of important hedgerows in England and Wales. To facilitate the protection of those hedgerows, the Regulations apply to a wider class of hedgerows, described in regulation 3 (in particular to hedgerows which are 20 metres or more long or which meet another hedgerow at each end and which, in each case, are on or adjacent to land used ...
Kanizsa's triangle: These spatially separate fragments give the impression of a bright white triangle, defined by a sharp illusory contour, occluding three black circles and a black-outlined triangle. Illusory contours or subjective contours are visual illusions that evoke the perception of an edge without a luminance or color change across ...
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Other objects around the main object appear shifted in relation to the main object. In the following example, whereas the main object (dolphin) remains in the center of the two images in the two eyes, the cube is shifted to the right in the left eye's image and is shifted to the left when in the right eye's image.
Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour line furrows create a water break, reducing the formation of rills and gullies during heavy precipitation and allowing more time for the water to settle into the soil. [ 1 ]