计算机科学 ›› 2022, Vol. 49 ›› Issue (10): 176-182.doi: 10.11896/jsjkx.220500265
路平1, 张地2, 肖俊峰3, 毕科1
LU Ping1, ZHANG Di2, XIAO Jun-feng3, BI Ke1
摘要: 获取立体视觉信息是人们感知世界的基本能力之一,其中运动立体视觉信息的获取不仅是生物视觉系统在动态世界中生存的关键能力,也是人工视觉系统高效处理立体视频的重要手段。为了设计出贴合人眼视觉特性的3D深度运动感知模型,需要明确挖掘人类对立体运动感知的显著特征后再设计主观实验。文中根据单目和双目线索设计了立体运动视觉刺激视频,并采用控制变量的方法,分别探究了目标球体运动速度、参考球体旋转半径及被试正确感知的相互关系,并分析了目标运动方向与被试感知方向之间的关系。首先对实验条件进行探究,结果发现目标与参考的相对距离越小拦截成功率越高,该结果表明目标同参考之间的相对位置关系会影响被试的感知正确性。其次,采用了拦截成功百分比和感知偏差两个行为测量标准对被试感知能力进行分析,结果发现相比横向运动,深度运动正确感知的成功率超出约42.67%~47.01%。这表明不同运动方位的感知不对称,且深度运动带来的视觉刺激更明显。该研究探索了人类对运动感知的显著特征,并为后续设计3D运动感知模型提供了一种新的判断模型感知效果的主观对比标准,使原有立体感知能力的指标更加细化。
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