Visual perception of egocentric distance as assessed by triangulation
Visual perception of egocentric distance as assessed by triangulation
复制标题
DOI：
10.1037/0096-1523.23.1.86
复制
发表时间：
1997-02-01
影响因子：
2.1
通讯作者：
DaSilva, JA
中科院分区：
文献类型：
--
作者：
Fukusima, SS;Loomis, JM;DaSilva, JA
两个三角测量方法测量感知自我中心的距离进行了检查。在指向三角测量过程中，观察者在一定距离处观察目标，闭上眼睛，试图连续指向目标，同时穿过经过它的路径;在步行三角测量过程中，观察者观察目标，闭上眼睛，穿过与目标倾斜的路径;在实验者的命令下，观察者转向并走向目标。两个实验使用指向和3个使用步行表明，感知的距离，平均超过观察员，是准确的，以15米的全线索条件下。对于15和25米之间的目标距离，证据表明轻微的感知低估。结果还表明，观察员，平均而言，是准确的，在imaginally更新以前看到的目标的位置。
Two triangulation methods for measuring perceived egocentric distance were examined. In the triangulation-by-pointing procedure, the observer views a target at some distance and, with eyes closed, attempts to point continuously at the target while traversing a path that passes by it. In the triangulation-by-walking procedure, the observer views a target and, with eyes closed, traverses a path that is oblique to the target; on command from the experimenter, the observer turns and walks toward the target. Two experiments using pointing and 3 using walking showed that perceived distance, averaged over observers, was accurate out to 15 m under full-cue conditions. For target distances between 15 and 25 m, the evidence indicates slight perceptual underestimation. Results also show that observers, an average, were accurate in imaginally updating the locations of previously viewed targets.