Level set algorithm is an edge detection method, based on visual characteristic of human being.
水平截集算法是一种基于人类视觉特性的边缘检测方法。
An edge detection algorithm based on a visual characteristic and BTC is presented in this paper.
本文提出了一种基于视觉特性和BTC的图象边缘检测算法。
A visual characteristic that describes a coating that appears different in colour when viewed under different lights.
用于描述涂层的一种视觉特性，在不同的光线下涂层会出现不同的颜色。
Then we use the technology of image analysis and image division based on the edge to extract the main object and to recognize (classify) the visual characteristic.
然后利用图像分析技术，采用基于边缘的图像分割方法，提取图像的主体区域并进行视觉特征提取与（分类）识别。
The whole designing process is very clear and concise with the visual characteristic of VB. The needed parameter for computation can be easily found out by using the linking database.
VB的可视化特性使整个设计过程简洁明了，连接的数据库可很方便地查找计算所需要的参数。
The research on the appraisal to the road lighting quality should use luminance standard and small target visibility level which are more conform to the human eye visual characteristic.
研究道路照明应以更加符合人眼视觉特性的亮度指标和可见度指标对道路照明质量进行评价。
The research on the appraisal to the road lighting quality should use luminance standard and small target visibility level which are more conform to the human eye visual characteristic.
研究道路照明应以更加符合人眼视觉特性的亮度指标和可见度指标对道路照明质量进行评价。
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