Sensors (Basel, Switzerland) · 2026
Influence of Multi-Cue Interaction on Human Depth Perception in Three-Dimensional Space.
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Liu Qiang, Li Shuai, Yang Qiang, Dai Caihong, He Shufang, Shigemasu Hiroaki
Аннотация
BACKGROUND: With the widespread application of three-dimensional (3D) display technology, enhancing the realism of users' experience in virtual 3D space has become important. A deep understanding of the mechanisms of human depth perception is therefore crucial.
OBJECTIVE: This study aims to investigate the influence of motion parallax, color, and object position cues on depth perception in 3D space.
METHOD: Random-dot stereograms based on binocular disparity cues were constructed; three experiments were designed, varying the stimulus movement speed, color, and position; two-alternative forced-choice (2AFC) psychophysical paradigms were employed to collect participants' responses regarding depth perception; and statistical analyses were conducted to examine the influences of these three cues on depth perception specified by binocular disparity.
RESULTS: A relatively small amount of motion parallax indicated a certain inhibitory effect on depth perception, whereas a larger amount might enhance the perceived depth. Introducing red, green, or blue color to the moving stimuli might also have a certain promoting effect. Furthermore, a significant difference in perceived depth was observed when the positions of the Test Stimulus and the Standard Stimulus differed within a trial, which might involve areas of higher-level brain function (such as visual attention). In conclusion, when multiple visual cues are present concurrently, they exhibit complex interactions that affect human depth perception.
OBJECTIVE: This study aims to investigate the influence of motion parallax, color, and object position cues on depth perception in 3D space.
METHOD: Random-dot stereograms based on binocular disparity cues were constructed; three experiments were designed, varying the stimulus movement speed, color, and position; two-alternative forced-choice (2AFC) psychophysical paradigms were employed to collect participants' responses regarding depth perception; and statistical analyses were conducted to examine the influences of these three cues on depth perception specified by binocular disparity.
RESULTS: A relatively small amount of motion parallax indicated a certain inhibitory effect on depth perception, whereas a larger amount might enhance the perceived depth. Introducing red, green, or blue color to the moving stimuli might also have a certain promoting effect. Furthermore, a significant difference in perceived depth was observed when the positions of the Test Stimulus and the Standard Stimulus differed within a trial, which might involve areas of higher-level brain function (such as visual attention). In conclusion, when multiple visual cues are present concurrently, they exhibit complex interactions that affect human depth perception.