文献类型：期刊文献

中文题名：影响形状编码的表征元素感知差异量化研究

英文题名：Quantitative study on perceptual differences of representational elements affecting shape encoding

作者：郭琪[1];薛澄岐[2];于明玖[3]

机构：[1]华东理工大学艺术设计与传媒学院,上海200030;[2]东南大学机械工程学院,南京211189;[3]西北工业大学机电学院,西安710072

年份：2021

卷号：51

期号：4

起止页码：694

中文期刊名：东南大学学报（自然科学版）

外文期刊名：Journal of Southeast University：Natural Science Edition

收录：CSTPCD;;EI(收录号：20213210756346);Scopus;北大核心:【北大核心2020】；CSCD:【CSCD2021_2022】；

基金：国家自然科学基金资助项目(71871056).

语种：中文

中文关键词：可视化界面;形状编码;视觉表征;视觉感知;感知量化

外文关键词：visualization interface;shape encoding;visual representation;visual perception;perception quantification

摘要：为了提高用户对可视化界面中形状编码的决策效率,研究了人类视觉系统对形状编码感知的差异量化机理.通过视觉感知量化实验,对长度和面积2种表征元素如何影响可视化界面中形状感知进行了分析,最终构建了形状编码感知的差异量化模型.结果表明:对于长度感知,即使有不同中心角的弧度干扰,其长度感知的敏感度也不会受二维曲率的影响,F检验的统计量F(3,43)=0.018,显著性概率P=0.997>0.05,即单独的长度感知是不存在计算噪声的;对于面积感知,不同形状和相似形状的面积感知均具有显著性差异,并且当参考图形为三角形、调整图形为圆形时韦伯分数最高(5%~6%),参考图形为圆形、调整图形为三角形时韦伯分数最低(1%~2%),说明在面积感知过程中是存在计算噪声的.其次,长度和面积的感知变化量与物理变化量的对数值均成正比,并且形状编码的韦伯分数可以由面积和长度的韦伯分数共同计算得到.
To improve user's decision-making efficiency of shape encoding in visual interface,the differential quantification mechanism of human visual system perception of shape encoding was studied.Through visual perception quantification experiments,how do the length and the area representation elements affect the shape perception in the visual interface was analyzed,and finally the difference quantization model for the shape coding perception was established.The results indicate that in the process of the length perception,the sensitivity of the length perception is not affected by two-dimensional curvature even if there are radians interferences with different center angles,the statistic of F-test F(3,43)=0.018,the significance probability P=0.997>0.05,that is,there is no computational noise in length perception alone.In the process of the area perception,the perception to the area of different shapes and similar shape have significant difference,the Weber fraction is the highest(5%to 6%)when the reference graph is a triangle and the adjusted graph is a circle,while the Weber fraction is the lowest(1%to 2%)when the reference graph is a circle and the adjusted graph is a triangle,indicating that there is computational noise in the process of the area perception.Secondly,the perceived variation of the length and the area is proportional to the logarithmic value of the physical variation,and the Weber fraction of shape coding can be calculated by the Weber fraction of the area and the length.