| 1. | Distortion correction based on calibration mapping 基于校准映射的畸变校正 |
| 2. | Overview of nonlinear distortion correction of camera lens 摄像机镜头非线性畸变校正方法综述 |
| 3. | Error correction method based on slope for camera radial distortion 一种基于斜率的摄像机畸变校正方法 |
| 4. | ( 4 ) the algorithm for correcting the geometrical distortion of fish eye image ( 4 )鱼眼图像的几何畸变校正。 |
| 5. | Since the cameras lens used in computer vision sustain a lot of nonlinear distortion , recent research efforts has been concentrated on the distortion correction techniques 由于摄像机镜头存在着镜头畸变,对于要求精确定位的应用,需要进行畸变校正。 |
| 6. | The experimental results indicate that the needed parameters to implement the calibration can be accurately determined by this method , and the calibration error is equivalent to the sample quantization error of ccd sensor 实验表明,该方法能够精确地推算出实现畸变校正所需的参数,校正精度与ccd的采样量化值相当。 |
| 7. | Utilizing the rectification technology of geometric distortion in vehicle license recognition system based on image processing and close - range photogrammetry theory is important in increasing system reliability 依据图像处理和近景摄影测量原理,把图像几何畸变校正技术应用于汽车牌照识别系统中,将会明显提高系统的识别率。 |
| 8. | Accordingly , the origin of geometric distortion is first introduced in this paper , and through analysis , a geometric correction algorithm is presented . applying the transformation of three - dimension - projection , image series are finally converted into the same coordinate system 论文首先介绍了图像几何畸变的产生,并通过分析得到几何畸变的校正算法,通过三维投影变换把系列航空图像变换为同一坐标系(地面坐标系)下的几何畸变校正图像。 |
| 9. | To this problem a series of image rectification procedure which utilize geometric rectification theory in vehicle license recognition system are pointed out : we first locate vehicle license and execute the edge detection and binary conversion , then proceed calibration in which we use two calibration scheme looking for control point coordinate , one based on the hough transformation , the other based on image analysis method , and finally realize image correction in geometrical transform and bilinear gray interpolation method 针对此问题本文给出了一套将几何畸变校正技术应用到汽车牌照自动识别系统中的车牌图像校正方法:首先提取牌照信息,并对图像进行边缘检测和二值化的预处理;然后提出了基于hough变换控制点提取和基于图像分析法的控制点提取的两种实时标定方法;最后通过空间坐标变换和灰度插值完成图像的校正。 |
| 10. | In the beginning , some general ways of image pretreatment technique are introduced , including geometric correction methods of image , radiometric correction of image and filtering wave and removing noise . video image with strong noises is well restored by a integrated filtering wave methods among some non - linear filtering wave methods , which prepare for the image registration following 论文首先介绍了常用的图像预处理技术,包括几何畸变校正,辐射畸变校正和图像滤波,然后对机载摄像机获取的视频图像进行了校正和综合非线性滤波处理,从而为后续匹配处理做好了准备。 |