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Principle of binocular vision with horopter shown. In biology, binocular vision is a type of vision in which an animal has two eyes capable of facing the same direction to perceive a single three-dimensional image of its surroundings. Binocular vision does not typically refer to vision where an animal has eyes on opposite sides of its head and ...
Depth sensation is the corresponding term for non-human animals, since although it is known that they can sense the distance of an object, it is not known whether they perceive it in the same way that humans do. [1] Depth perception arises from a variety of depth cues. These are typically classified into binocular cues and monocular cues ...
Birdwatching is a very popular hobby among nature and animal lovers; a binocular is their most basic tool because most human eyes cannot resolve sufficient detail to fully appreciate and/or study small birds. [74] To be able to view birds in flight well rapid moving objects acquiring capability and depth of field are important.
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The forward-facing eyes of a bird of prey give binocular vision, which is assisted by a double fovea. [4] The raptor's adaptations for optimum visual resolution (an American kestrel can see a 2–mm insect from the top of an 18–m tree) has a disadvantage in that its vision is poor in low light level, and it must roost at night. [1]
Two cameras take pictures of the same scene, but they are separated by a distance – exactly like our eyes. A computer compares the images while shifting the two images together over top of each other to find the parts that match. The shifted amount is called the disparity. The disparity at which objects in the image best match is used by the ...
These fascinating animals have been made popular through their association with Santa Claus, a mythical creature who uses them to fly around in his sleigh during Christmas to distribute gifts to kids.
Technically a species of deer, a reindeer (Rangifer tarandus) is classified as a member of the Cervidae family and is also known as caribou in certain regions. Domestic reindeer are known as ...
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