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However, when multiple viewers share the same display, only one viewer typically receives the projectively correct images. All other viewers experience the same images despite displacement from the center of projection (CoP). Three experiments evaluated perceptual distortions caused by displacement from the CoP and compared those percepts to predictions of models based on monocular and binocular viewing geometry. Leftward and rightward displacement from the CoP caused virtual angles on the ground plane to be judged as larger and smaller, respectively, compared to judgments from the CoP. Backward and forward displacement caused rectangles on the ground plane to be judged as larger and smaller in depth, respectively, compared to judgments from the CoP. Judgment biases were in the same direction as cue-based model predictions but of smaller magnitude. Displacement from the CoP had asymmetric effects on perceptual judgments, unlike model predictions. Perceptual distortion occurred with monocular cues alone but was exaggerated when binocular cues were added. The results are grounded in terms of practical implications for multiuser virtual environments.<\/jats:p>","DOI":"10.1145\/2536764.2536765","type":"journal-article","created":{"date-parts":[[2014,1,2]],"date-time":"2014-01-02T13:09:43Z","timestamp":1388668183000},"page":"1-23","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Space perception in virtual environments"],"prefix":"10.1145","volume":"10","author":[{"given":"Jonathan W.","family":"Kelly","sequence":"first","affiliation":[{"name":"Iowa State University, Ames, Iowa"}]},{"given":"Melissa","family":"Burton","sequence":"additional","affiliation":[{"name":"Iowa State University"}]},{"given":"Brice","family":"Pollock","sequence":"additional","affiliation":[{"name":"Iowa State University"}]},{"given":"Eduardo","family":"Rubio","sequence":"additional","affiliation":[{"name":"Iowa State University"}]},{"given":"Michael","family":"Curtis","sequence":"additional","affiliation":[{"name":"Iowa State University"}]},{"given":"Julio De La","family":"Cruz","sequence":"additional","affiliation":[{"name":"U.S. Army Research Laboratory's Human Research and Engineering Directorate, Simulation and Training Technology Center"}]},{"given":"Stephen","family":"Gilbert","sequence":"additional","affiliation":[{"name":"Iowa State University"}]},{"given":"Eliot","family":"Winer","sequence":"additional","affiliation":[{"name":"Iowa State University"}]}],"member":"320","published-online":{"date-parts":[[2013,10]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.2307\/1572377"},{"key":"e_1_2_1_2_1","first-page":"12","article-title":"Perception of 3-D layout in stereo displays","volume":"25","author":"Banks M.","year":"2009","unstructured":"Banks , M. , Held , R. , and Girshick , A. 2009 . 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