Search - lens distortion

[2D Graphic] camera_lens_emendation

Description: 对产生畸变的摄像机镜头拍出的图片进行校正，里面附有畸变图像和校正后的图像图片-distortion of the camera lens photo shoot for correction, inside with distortion correction and image after image Photo
Platform: | Size: 841728 | Author: 神秘 | Hits:

[GDI-Bitmap] intverse

Description: 透视变换,由于摄像头存在透视效果所以很多时候需要进行世界坐标系和图像坐标系下的转换-perspective transformation, As the camera lens effect so there is often the need for the world coordinate system and the image coordinate system conversion
Platform: | Size: 346112 | Author: 田炳香 | Hits:

[Special Effects] weinalvboandnilvbomatlabchengxu

Description: 维纳滤波逆滤波matlab程序维纳滤波逆滤波matlab程序-Wiener Filter Wiener inverse filtering procedure filtering matlab inverse filter matlab program
Platform: | Size: 47104 | Author: wuliang | Hits:

[Special Effects] aberration-adjustment

Description: 针对镜头畸变失真模型，进行镜头畸变失真校正的小程序-Distortion model for lens distortion, lens distortion distortion correction for a small program
Platform: | Size: 63488 | Author: 吴宪祥 | Hits:

[Special Effects] rcvdistor

Description: 一段还原桶状失真的小函数。该失真即相机镜头成像时，像点向中心偏离的失真。-Restore a section of the small barrel distortion function. That is, the camera lens distortion imaging, such as deviation from the point of distortion to the Center.
Platform: | Size: 1024 | Author: Frank | Hits:

[Special Effects] CCD_array_lens_distortion_correction

Description: 面阵CCD镜头畸变校正，文章主要介绍CCD镜头的畸变校正算法-CCD array lens distortion correction, the article introduces the CCD lens aberration correction algorithm
Platform: | Size: 191488 | Author: 陶法 | Hits:

[Special Effects] correction-method

Description: 该文通过对光学成像系统中非线性畸变的分析,提出了一个数字校正方法。该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数,对畸变图像进行校正。对校正方法的程序实现进行讨论,给出了对实际畸变图像进行校正的实验结果-This article through to the distortion of the nonlinear optical imaging system are analyzed and a digital correction method. This method USES and axis symmetric radial distortion mathematical model of the optical lens distortion coefficient of calibration As for correction. The program for correction methods are discussed, and a practical distortion image The results of the experiment
Platform: | Size: 142336 | Author: 肥猪流 | Hits:

[Software Engineering] checkboard_2_3_fair

Description: Correct lens distortion
Platform: | Size: 11156480 | Author: toancv3010 | Hits:

[Software Engineering] The.Detail.Analysis.and.Improvement.of.Calibration

Description: 以计算机视觉和视觉检测中的摄像机标定过程作为研究的对象,分析了开源计算机视觉函数库OpenCV中的摄像机模型,使用张正友基于平面模板的方法进行标定,过程中充分考虑了透镜径向畸变和切向畸变因素的影响。文章给出了标定的详细步骤,并对具体函数做了算法上的分析,同时从参数非线性回归分析的角度提出了优化的途径和措施。该算法充分发挥了OpenCV函数库的功能,提高了标定精度和计算效率,具有良好的跨平台移植性,可以满足视觉检测或其它计算机视觉系统的需要。-To computer vision and visual inspection of the camera calibration process as the object of study,analysis of the camera model in the open source computer vision library OpenCV,making used of Zhang Zhengyou planar template-based approach to calibration,the process takes full account of the radial lens distortion and tangential distortion factors.Article give the detailed steps of the calibration of the specific function of the algorithm to do the analysis,the parameters simultaneously from the perspective o...
Platform: | Size: 244736 | Author: 豆豆 | Hits:

[matlab] functiongmodify

Description: 应用matlab简单实现镜头畸变的校正，可用于cmos ccd-Application of a simple implementation of matlab lens distortion correction, can be used for cmos ccd
Platform: | Size: 1024 | Author: pop | Hits:

[Special Effects] Correction

Description: 对镜头产生的畸变做一定的矫正，包含两个演示程序和测试图片-Of lens distortion produced do some correction, contains two demonstration programs and test images
Platform: | Size: 8116224 | Author: | Hits:

[SCM] lensfun-0.2.5

Description: lensfun is a library for correcting photo images. It can correct lens distortion, vignetting, chromatic aberrations, and also can convert between various lens types (rectilinear to fish-eye and so on). The library comes with a database that contains a large number of widespread cameras and lenses, with pre-calibrated image correction coefficients. Open-source, home page: http://lensfun.berlios.de
Platform: | Size: 570368 | Author: Andrew | Hits:

[Special Effects] Mark-Center

Description: 标定畸变图像中心，为各种几何变换找到原点。用于全方位视觉镜头所摄图像。-Calibration of the image distortion center, for a variety of geometric transformations to find the origin. The lens of the camera for full visual images.
Platform: | Size: 4376576 | Author: 柳胜 | Hits:

[Special Effects] Estimation-src

Description: 图像的分割 segement 能运行的代码 Algebraic Lens Distortion Model Estimation src.zip-Image segmentation segement of code to run Algebraic Lens Distortion Model Estimation src.zip
Platform: | Size: 242688 | Author: vai _tan | Hits:

[matlab] YuYanTuXiangJiaoZheng

Description: 鱼眼透镜影像之变形校正。详细介绍了鱼眼图像畸变产生原理，校正方法。给出了MATLAB校正源代码。-Image of fisheye lens distortion correction. Details of the fish-eye image distortion resulting theory, calibration methods. MATLAB gives the correct source code.
Platform: | Size: 827392 | Author: 大脸猫 | Hits:

[Special Effects] distortion

Description: 一种利用图像中直线特征的方法来标定摄像机畸变参数的方法。该方法提取图像中多组不同方向的平行直线，并对其利用非线性最小二乘方法进行优化以得到最优的畸变参数，在优化过程中，采用多步渐进的策略。该方法不需要已知三维世界坐标，易于实现。实验表明，该方法有较高的准确率。-A camera lens distortion method is proposed, which uses the straight line features. Many parallel lines of different direction were extracted, and then were used to optimize the distortion parameters by nonlinear least square. The thought of step by step was added when the optimization method working. 3D world coordination is not need to know, and the method is easy to implement. The experiment result shows its high accuracy.
Platform: | Size: 80896 | Author: San | Hits:

[Special Effects] correction-of-geometric-distortion-

Description: 通过对摄像镜头拍摄得到的图片进行失真复原，确定相应摄像头的固定失真系数，从而解决该摄像镜头的失真问题。-Image captured by the imaging lens distortion recovery, to determine the appropriate camera fixed distortion coefficient, so as to solve the problem of the distortion of the imaging lens.
Platform: | Size: 2316288 | Author: hongyu | Hits:

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