Characteristics of the defocusing error signals are expressed in the terms of an off-axial detection system by geometric optics. The results are compared with experiment.
本文用几何光学描述了离轴探测调焦误差信号与系统参数的关系，并与实验结果进行了比较。
In view of the stability of the geometric layout of harbor, an automatic ship detection method based on geographic information is presented.
考虑到港口几何布局稳定的特点，提出了一套基于地理信息的舰船目标检测算法。
A license plate location algorithm based on the combination of edge detection and projection is put forward by means of the geometric and texture information of the license plate area.
为了提高车牌定位的实时性和有效性，利用车牌的几何特征和纹理特征，提出了基于边缘检测和投影法相结合的车牌定位算法。
Defect detection of ICT images and DR images is to locate the defects of workpiece in images and get defects 'geometric parameters information as accurate as possible.
工业CT图像和DR图像缺陷检测的目的，就是为了从图像中定位出工件缺陷的所在，并获得有关缺陷的几何参数等信息。
To survey geometric dimension of the object precisely is applied widespread and valuable in the detection technology.
物体几何尺寸的精密测量在检测技术中是一个应用十分普遍且有实际应用价值的问题。
The detection device of rail wheels numerical control lathe is used to detect the geometric parameters of rail wheels.
轮对数控车床检测装置是用于车辆轮对外形几何尺寸在镟修前后的检测。
According to the hue, motion and geometric features of human faces, a method integrated hue analysis and motion detection was raised to remove non-face regions.
针对人脸的色度特性、运动特性和几何特性，提出了一种新的方法进行人脸检测。
This paper mainly studied the image measurement technology in the treatment of geometric parameters of tool detection system.
本文主要研究了图像测量处理技术在刀具几何参数的检测系统中的应用。
The set of 'undetermined pixels' is often composed of pixels in edges and textures as well as noise pixels. Finally, the geometric structure detection is proposed to distinguish 'undetermined pixels'.
其中‘待定点’主要由边缘和纹理区像素和噪声像素构成，为区分其属性，还引入了几何结构检测方法。
Owing to the difficulties in extracting iris edge image, a new iris location algorithm using geometric symmetry feature and edge detection from gray scale image is presented.
针对虹膜二值边缘图像提取的困难，提出利用虹膜图像的灰度边缘图像以及虹膜的几何特征进行虹膜定位的快速算法。
During the watermark detection, the image suffered from geometric attacks is firstly corrected.
在水印检测时，先对遭受几何攻击的含水印图像进行校正。
For the detection of digital watermarking from the image geometric attacked, a method estimated the type of geometric attacks from the watermarked image according to image pixel is proposed.
在数字水印技术中，针对含水印图像遭受几何攻击后的水印检测问题，提出了根据图像像素判断含水印图像遭受的几何攻击类型的方法。
Then, integral image is used to rapidly calculate the convolution of rectangular feature templates, so the detection of scale-space geometric features is greatly accelerated in the method.
矩形特征模板的卷积可以用积分图进行快速计算，该方法使特征检测的速度得到了很大提高。
The fourth experiment employs the flicker paradigm, and subjects are asked to complete the change detection tasks using simple geometric figures, faces that are upright, and faces that are reversed.
实验四采用了闪烁范式，对聋人和健听人对简单图形刺激、正立人脸和倒立人脸的变化觉察进行了研究。
The fourth experiment employs the flicker paradigm, and subjects are asked to complete the change detection tasks using simple geometric figures, faces that are upright, and faces that are reversed.
实验四采用了闪烁范式，对聋人和健听人对简单图形刺激、正立人脸和倒立人脸的变化觉察进行了研究。
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