颜色是360nm至720nm之间的光波刺激人类的眼睛并由视觉系统[3]进行处理后所触发的感知。
Color is the sensation that is invoked when light of wavelengths between 360nm and 720nm hits our eyes and then is processed by our visual system [3].
视觉系统是人类感知外部信息的重要途径，据统计人类约70%的信息是依靠视觉进行感知的。
Visual system is a very important method for humans to apperceive outsider information. According to statistics, about 70 percent information is apperceived by visual system.
视觉是人类最重要的感觉通道之一，据科学家的估计至少有70%以上的外界信息是由视觉系统接受或感知的。
Vision is one of the most important sensory channel in human beings. It is evaluated that at least 70% of information is received and perceived through vision.
视觉是人类最完善的感知系统，基于视觉不变量的平面目标识别方法近年来得到广泛的关注。
Vision is the best perception system of human. Vision invariants for planar object recognition catch our attention.
视觉是人类最完善的感知系统，图像载体可以提供多维信息，在相当多的情况下是任何其他信息形式不能替代的。
Vision which is a perfect perceptive system of people and picture carrier which can provide more multidimensional information is not substituted by the other information under most circumstance.
但是对人类视觉系统进行考察，发现其在感知经验的帮助下完成了许多现今机器人“不可能完成”的任务。
But the human visual system can finish many missions which the machines can not finish, and the answers the human visual system poses are usually vague and not precise.
自然界和日常生活中的很多物体都具有某种形式的对称性，对称性既是物体的重要特征，也是人类视觉感知组织系统中的重要组成部分。
In nature and our lives, many objects have symmetries. Symmetry is important character of object and important portion of human vision perceptual organization system.
自然界和日常生活中的很多物体都具有某种形式的对称性，对称性既是物体的重要特征，也是人类视觉感知组织系统中的重要组成部分。
In nature and our lives, many objects have symmetries. Symmetry is important character of object and important portion of human vision perceptual organization system.
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