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The most recent claim to the largest image stitched together was by the Canadian Museum of Civilization. [1] On 3 August 2015, the longest photographic negative was measured 79.37 m (260.4 ft) wide. This negative was created by Esteban Pastorino Díaz (Spain) by driving 32.8 km (20.4 mi) on the 2nd Ring Road (Beijing).
A gigapixel image is a digital image bitmap composed of one billion (10 9) pixels (picture elements), 1000 times the information captured by a 1 megapixel digital camera. A square image of 31,623 pixels in width and height is one gigapixel. Current technology for creating such very high-resolution images usually involves either making digital ...
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...
Ratatouille (/ ˌ r æ t ə ˈ t uː i / RAT-ə-TOO-ee) is a 2007 American animated comedy-drama film [3] produced by Pixar Animation Studios for Walt Disney Pictures. The eighth film produced by Pixar, it was written and directed by Brad Bird and produced by Brad Lewis, from an original idea by Jan Pinkava, [4] who was credited for conceiving the film's story with Bird and Jim Capobianco.
A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in ...
Eye examination for visual acuity. Visual acuity is a measure of the spatial resolution of the visual processing system. VA, as it is sometimes referred to by optical professionals, is tested by requiring the person whose vision is being tested to identify so-called optotypes – stylized letters, Landolt rings, pediatric symbols, symbols for the illiterate, standardized Cyrillic letters in ...
Snellen chart. Purpose. Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula ...
The RGB color model, therefore, is a convenient means for representing color but is not directly based on the types of cones in the human eye. The peak response of human cone cells varies, even among individuals with so-called normal color vision; [8] in some non-human species this polymorphic variation is even greater, and it may well be adaptive.