The Visual Perception of Three-Dimensional Length
A set of 4 experiments evaluated observers' sensitivity to three-dimensional (3-D) length, using both discrimination and adjustment paradigms with computer-generated optical patterns and real objects viewed directly in a natural environment. Although observers were highly sensitive to small dif...
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| Veröffentlicht in: | Journal of experimental psychology. Human perception and performance 1996-02, Vol.22 (1), p.173-186 |
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| container_end_page | 186 |
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| container_title | Journal of experimental psychology. Human perception and performance |
| container_volume | 22 |
| creator | Norman, J. Farley Todd, James T Perotti, Victor J Tittle, James S |
| description | A set of 4 experiments evaluated observers' sensitivity to three-dimensional (3-D) length, using both discrimination and adjustment paradigms with computer-generated optical patterns and real objects viewed directly in a natural environment. Although observers were highly sensitive to small differences in two-dimensional length for line segments presented in the frontoparallel plane, their discrimination thresholds increased by an order of magnitude when the line segments were presented at random orientations in 3-D space. There were also large failures of constancy, such that the perception of 3-D length varied systematically with viewing distance, even under full-cue conditions. |
| doi_str_mv | 10.1037/0096-1523.22.1.173 |
| format | Article |
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| ispartof | Journal of experimental psychology. Human perception and performance, 1996-02, Vol.22 (1), p.173-186 |
| issn | 0096-1523 1939-1277 |
| language | eng |
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| source | Applied Social Sciences Index & Abstracts (ASSIA); EBSCO_PsycARTICLES; MEDLINE |
| subjects | Computer-Aided Design Depth Perception Eyes & eyesight Human Humans Length Male Optical Illusions Psychology Sensory perception Size Perception Three dimensional forms Visual Perception |
| title | The Visual Perception of Three-Dimensional Length |
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