"Depth perception is the ability to perceive distance to objects in the world using the visual system and visual perception."
Depth perception is the ability to perceive the relative distance and three-dimensional characteristics of objects in the environment.
Binocular disparity: The difference in image location of an object seen by the left and right eyes, which is used by the brain to calculate depth.
Monocular cues: Depth perception clues that rely on the use of only one eye, such as size, interposition, and texture gradient.
Motion parallax: The way objects closer to us appear to move more quickly than objects further away when we move our head or eyes.
Stereopsis: The fusion of the two slightly different images produced by each eye, which creates a single three-dimensional image.
Accommodation: The ability of the lens in the eye to change shape in order to focus on objects at different distances.
Convergence: The inward movement of the eyes as an object moves closer, which is used by the brain to calculate depth.
Visual cliff: An experimental apparatus used to demonstrate depth perception in infants, which consists of a glass-covered platform with a drop-off beneath.
Size constancy: The perception that an object remains the same size even as its retinal image size changes due to distance.
Horizon line: The imaginary line where the earth and sky meet, which provides a visual cue for depth perception.
Texture gradient: The gradual change in texture of an object as distance increases, which provides a depth perception cue.
Binocular Depth Cues: Using both eyes to perceive depth, such as retinal disparity, the difference in the images each eye receives.
Monocular Depth Cues: Using a single eye to perceive depth, such as linear perspective, where parallel lines appear to converge in the distance.
Motion Parallax: Using the motion of objects as a cue to their depth.
Texture Gradient: The distortion of texture on objects as they recede into the distance.
Accommodation: The focusing of the lens in the eye to bring objects into focus at different distances.
Size-Distance Relationship: The perceived size of an object is influenced by its distance from the viewer.
Aerial Perspective: The blurring and shifting of color in distant objects due to the intervening atmosphere.
Shadows: The projection of an object's shadow can indicate its depth and dimensionality.
Interposition: When one object partially covers another, it is perceived as being closer.
Familiar Size: Knowledge of a particular object's size can help to determine its position in space.
Contrast: Differences in brightness or color can provide cues to the relative distance of objects.
Illumination: Variations in the distribution of light can indicate the depth and shape of objects.
Occlusion: When one object blocks another, the obscured object is perceived as being further away.
Gradient of Texture Density: The gradual change in texture density can indicate the depth of a surface.
"It is a major factor in perceiving the world in three dimensions."
"The primary factors contributing to depth perception are stereopsis and accommodation of the eye."
"Depth sensation is the corresponding term for non-human animals."
"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."
"Binocular cues are based on the receipt of sensory information in three dimensions from both eyes."
"Retinal disparity exploits parallax and vergence and is a binocular cue."
"Stereopsis is made possible with binocular vision."
"Monocular cues can be observed with just one eye."
"Relative size, texture gradient, occlusion, linear perspective, contrast differences, and motion parallax are all monocular cues."
"Retinal disparity exploits parallax and vergence and is a binocular cue."
"Accommodation of the eye is one of the primary factors contributing to depth perception."
"Retinal disparity exploits parallax and vergence and is a binocular cue."
"It is not known whether they perceive it in the same way that humans do."
"Binocular cues are based on the receipt of sensory information in three dimensions from both eyes."
"Texture gradient is a monocular cue."
"Distant objects subtend smaller visual angles than near objects, which is a monocular cue called relative size."
"Motion parallax is a monocular cue."
"Stereopsis is made possible with binocular vision."
"Depth cues are typically classified into binocular cues and monocular cues."