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三维镂垫的三维空间变换,包括平移,旋转,缩放,视角变换-
3D engrave pad three-dimensional space transformation, including translation, rotation, scaling, perspective transformation
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根据逆透视变换原理从交通参数中提取交通参数,可以根据图像的像素坐标计算实际路面的距离,计算车辆的位移,速度等参数-Extract traffic parameters from the traffic parameters according to the principle of inverse perspective transformation, the actual road distance can be calculated according to the coordinates
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:针对常用坐标转换定位算法精确度和效率较低的问题,提出一种基于透视变换原理的定位算法。根据4 个初始定位点的坐标信息,
确定反映点与点之间空间映射关系的单应性矩阵。定位完成后,利用该矩阵进行简单运算即可完成坐标转换。实验结果证明该方法稳定性
较高。-Positioning algorithm for common coordinate conversion accuracy and low efficiency problem, a perspective transformation
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ASIFT算法的一个demo.相比SIFT,ASIFT通过对图像进行仿射变换,模型角度的变换,使得更具有仿射不变性.-ASIFT algorithm is a demo. Compared to the SIFT, ASIFT through the image affine transformation, perspective transformation model, making it more with the affine invariant.
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OpenGL纹理绘制:绘制坐标轴,立方体贴图,视角变换-OpenGL texture mapping: drawing axes, cube mapping, perspective transformation, etc.
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针对
128
维
SIFT
特
征向量,采用距离匹配和余弦相似度匹配相结合的测度方法,利用特征点方向一致性进一步降低误匹配率
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实验结
果表明:改进算法对图像的缩放、旋转、光照、噪声和小尺度的视角变换均有较好的匹配效果
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与原算法相比,在保
证匹配点数和匹配时间的基础上,改进算法对旋转、缩放、噪声模糊和光照变换的误匹配率平均降低
10%~20%
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对于小尺度的视角变换,误匹配率平均降低
5%.
-For 128-dimensi
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OpenGL的导入3ds模型,并添加透视变换,视角大,可通过鼠标来改变-opengl import 3ds model and add perspective transformation, viewing angle can be changed via the mouse
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本源码实现了图像由2维到3维的转换,是平面图转化到了俯视图,对于道路边缘检测有很重要的辅助作用。-Realize the source of the image by a two-dimensional to three-dimensional conversion, is transformed into a top plan view of the road edge detection for a very important supporting role.
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利用透视变换的一个小程序,基于opencv的vs编写的一个小程序-Use of perspective transformation of a small program, based on the opencv vs written a small program
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使用透视变换对图像进行畸变矫正,可以正常运行。-use Perspective transformation about image distortion correction
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一个opengl的小程序,实现不同视角的变换,是fpundation of 3d 的一个课后作业-A small program opengl achieve different perspective transformation, is fpundation of a 3d of homework
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利用C++实现对三维图形的角度变换显示,适合初学者学习使用-Using c++ implementation perspective transformation in 3 d graphics display, suitable for beginners learning to use
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显示三维坐标系,及刻度,网格,并且可以随着自定义方位角和视角的变换而做出相应的改变。-According to 3 d coordinate system, and the scale, the grid, and it can with custom azimuth and perspective transformation and makes the corresponding change
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车道线检测,在vs2010配置opencv的情况下亲测可用,代码没有做出透视变换-Lane detection, in the case of pro-test opencv vs2010 configuration is available, the code does not make a perspective transformation
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图像透视变换,是一种基础的图像变换算法,常用于图像配准模型。-Image perspective transformation, is a basic image transformation algorithms used in image registration model
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基于openGL的代码,在VS2010上实现
(1)透视变换
(2)视点变换
-OpenGL code based on the realization VS2010
(1) perspective transformation
(2) Perspective Transform
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OPENCV的一个透视变换函数的源码,重写一个类,用于透视变换-OPENCV of a perspective transformation function of the source code, rewrite a class, for perspective transformation
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进行透视变换的相关代码,并附有解释,可以将lena的图片放到广告牌上-To carry out the perspective of the transformation of the relevant code, with an explanation, you can put the picture on the billboard Lena
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一个简单的opengl程序,模拟一个太阳系,可以帮助理解模型视点变换,其中还用到了灯光,初学者可以一看!-A simple opengl program to simulate a solar system, can help understand the model of perspective transformation, which also use the lights, beginners can watch one!
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帮助学习opengl视角变换的程序,还有camera类的使用-Help learning program opengl perspective transformation, as well as the use of camera class
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