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Wavelet
基于小波变换的三维模型提取技术的毕业论文,包括代码和答辩ppt.1.实现了三维模型的表示和规范化预处理过程,在此基础上,开发了进行检索实验的可视化特征提取实验平台。
2.结合球面调和变换获取旋转不变量具有降低特征向量维数的特性,实现了基于光线投射的特征提取方法,通过检索评价实验确定了参数的最佳取值。
3.分析了基本的光线投射方法和改进的光线投射方法的缺陷,提出了一种基于三维小波变换的特征描述方法。对光线投射算法进行了扩展,将切比雪夫采样点序列进行离散小波变换,然后利用球面调和变换获得旋转不变的特征向量。
4.将小波变换引入到体素表示的三维模型中,分别实现了表面体素小波变换和实体体素小波变换的特征提取,通过实验比较分析实体体素小波变换优于表面体素小波变换。
-Wavelet-Based Extraction of three-dimensional model of thesis, including the reply code and ppt.1. Three-dimensional model of the implementation and standardization of the express pre-treatment process, on this basis, developed a visual search experiment of feature extraction experiment platform.
2. Combination of spherical harmonic transform to obtain rotation invariant feature vector with reduced dimension of the characteristics of ray-casting based on the implementation of feature extraction methods, the evaluation by searching the parameters of the experiment to determine the best value.
3. Analysis of the basic ray casting method and the ra
- 2022-02-21 11:18:58下载
- 积分:1
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很多几何图形的画法,如三维图形、曲线及曲面的绘制,三次样条曲线,BEYOND,曲面,Beziel曲线等...
很多几何图形的画法,如三维图形、曲线及曲面的绘制,三次样条曲线,BEYOND,曲面,Beziel曲线等--Many geometric figure drawing methods, like three dimensional graph, curve and curved face drawing, three transects tunes curve, BEYOND, curved surface, Beziel curve and so on
- 2022-03-17 22:14:46下载
- 积分:1
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a fractal surface generation process
一个分形曲面的生成程序-a fractal surface generation process
- 2023-02-25 09:10:03下载
- 积分:1
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This a collection of utilities for warping of MRI image volumes.
See the man p...
This a collection of utilities for warping of MRI image volumes.
See the man pages for documentation.
The warp method is described in detail in the following paper
Enhancing the Multivariate Signal of 15-O water PET Studies With a
New Non-Linear Neuroanatomical Registration Algorithm
IEEE Transactions on Medical Imaging, 1999, 18(6), p306-19
-This a collection of utilities for warpi Vi of MRI image volumes. See the man pages for doc umentation. The warp method is described in det annexed in the following paper Enhancing the Multiv ariate Signal of 15-O water PET Studies With a Ne w Non-Linear Registration Al Neuroanatomical gorithm IEEE Transactions on Medical Imaging, 1999, 18 (6), p306-19
- 2022-07-19 08:29:37下载
- 积分:1
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中值滤波实现
中值滤波实现-Median filter to achieve
- 2022-09-06 11:55:03下载
- 积分:1
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对图象进行处理,求压线格,用二域法,八域法求图象的边界,
对图象进行处理,求压线格,用二域法,八域法求图象的边界,-of image processing, for down the line grid, with two jurisdictions, eight domain method for image border,
- 2022-06-22 05:03:55下载
- 积分:1
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MATLAB命令大全,MATLAB命令大全word文档
MATLAB命令大全,MATLAB命令大全word文档-MATLAB
- 2022-08-05 16:55:58下载
- 积分:1
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图像识别程序,数字图像处理,源代码及资料
图像识别程序,数字图像处理,源代码及资料-image identification procedures, digital image processing, and information source
- 2023-07-09 12:20:03下载
- 积分:1
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3d 图形学的 算法,包含源代码
3d 图形学的 算法,包含源代码-3d graphics algorithms, including source code
- 2022-01-26 14:32:08下载
- 积分:1
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BLIINDS算法 matlab
资源描述由于自然图像具有高度结构化特性,人类视觉特性(Human Visual System,HVS)倾向于从视觉图像中
提取结构信息,并且对图像的对比度高度敏感。Saad等人提出了一种基于DCT域统计特性的图像完整性评价
方法(BLIINDS)。BLIINDS提取 DCT 系数的统计特征,利用机器学习的方法来评价图像质量。BLIINDS 算法的模型训练不需要知道训练样本的
失真类型,并且特征训练过程简单,算法复杂度低于基
于两级框架的算法。
- 2022-04-30 20:36:11下载
- 积分:1