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  2. Spot the difference - Wikipedia

    en.wikipedia.org/wiki/Spot_the_difference

    Description. Spot the difference games are found in various media including activity books for children, newspapers, and video games. They are a type of puzzle where players must find a set number of differences between two otherwise similar images, whether they are illustrations or photographs that have been altered with photo manipulation.

  3. Image subtraction - Wikipedia

    en.wikipedia.org/wiki/Image_subtraction

    Image subtraction or pixel subtraction or difference imaging is an image processing technique whereby the digital numeric value of one pixel or whole image is subtracted from another image, and a new image generated from the result. This is primarily done for one of two reasons – levelling uneven sections of an image such as half an image ...

  4. Boundary extension - Wikipedia

    en.wikipedia.org/wiki/Boundary_extension

    [1] [2] [18] Photos that are really similar and that have either been zoomed a large amount or a small amount also elicit boundary extension. [12] [1] [8] Furthermore, wide-angled scenes, pictures that show more of the background, and close-angled scenes, pictures that show less of the background, contribute to the boundary extension phenomenon ...

  5. Visual thinking - Wikipedia

    en.wikipedia.org/wiki/Visual_thinking

    Visual thinking, also called visual or spatial learning or picture thinking, is the phenomenon of thinking through visual processing. [1] Visual thinking has been described as seeing words as a series of pictures. [2][3] It is common in approximately 60–65% of the general population. [1] ". Real picture thinkers", those who use visual ...

  6. Left–right confusion - Wikipedia

    en.wikipedia.org/wiki/Left–right_confusion

    Left–right confusion (LRC) is the inability to accurately differentiate between left and right directions. Conversely, Left–right discrimination (LRD) refers to a person's ability to differentiate between left and right. LRC is reported by approximately 15% of the population according to the 2020 research by Van der Ham and her colleagues. [1]

  7. Perspective distortion - Wikipedia

    en.wikipedia.org/wiki/Perspective_distortion

    Perspective distortion. Simulation showing how adjusting the angle of view of a camera, while varying the camera's distance and keeping the object in frame, results in vastly differing images. At narrow angles and long distances, light rays are nearly parallel, resulting in a "flattened" image. At wide angles and short distances, objects appear ...

  8. Change blindness - Wikipedia

    en.wikipedia.org/wiki/Change_blindness

    Change blindness. Example of images that can be used in a change blindness task. Although similar, the two images have a number of differences. Change blindness is a perceptual phenomenon that occurs when a change in a visual stimulus is introduced and the observer does not notice it. For example, observers often fail to notice major ...

  9. Aerial photograph interpretation (geology) - Wikipedia

    en.wikipedia.org/wiki/Aerial_photograph...

    Aerial photographs can be used to identify different rock types on the rock exposure and the arrangement of the geological structures. [1] [5] These structures are produced by deformation processes during tectonic movement, such as faults and folds. Geologists identify different geological features and structures based on photo-lineaments.