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plane fitting
相关语句
  平面拟合
     Plane fitting based approach for image restoration
     一种基于平面拟合的图像恢复方法
短句来源
     The Adaptive Piecewise Plane Fitting Method for Image Data Compression
     图象压缩编码的自适应分片平面拟合方法
短句来源
     This paper describes a method for computing illuminant and object chromaticity coordinate, which is based on the Dichromatic Reflection Model proposed by klinker et al[1]. First deals with plane fitting in 3D color histogram using K-L transform, then separates the interface reflection component from the body reflection component. Also the limitation of practical CCD cameras is discussed and the experimental results are presented.
     本文叙述了根据Klinker提出的双色反射模型(the dichromatic reflection model),在三维颜色直方图(3D color histogram)中利用K-L变换做平面拟合,分离面反射分量(interface reflection component)和体反射分量(body reflection component),从而计算光源和物体颜色色度坐标的方法,讨论了实际CCD摄像机的局限性,给出了实验结果。
短句来源
     In the adaptive piecewise plane fitting imaga data compression method, an image is divided into many blocks The image gray level surface in each block is approximated by a plane. The block sizes adaptively vary with the local image content.
     图象压缩编码的自适应分片平面拟合方法是将图象分割成若干个方块,在每个方块内用平面来逼近图象的灰度曲面,其中方块的大小随着图象的局部内容而变化。
短句来源
     Then a plane fitting is performed to detect zero crossing pixels.
     它是先对图象进行对称二阶微分运算 ,然后由平面拟合检出过零点 .
短句来源
更多       
  平面消差
     By analysing the results obtained by these three methods, it is discovered that the plane fitting method can reserve the original phasic data best.
     通过对这三种方法计算结果的分析,发现利用平面消差法拟合波面数据能更好地保存原始波面信息,且拟合误差较小。
短句来源
     This paper calculates all sub-aperture testing phasic data by three methods such as: plane fitting, Zernike fitting in a circular area and Zernike fitting in a non-circular area.
     分别用平面消差、在非圆域内的Zernike多项式系数拟合和在圆域内的Zernike多项式系数拟合等三种方法对检测得到的波面面形数据进行数据处理。
短句来源
  “plane fitting”译为未确定词的双语例句
     In addition, three methods are studied for calculation of angiographic viewing angles minimizing vessel foreshortening of segment of interest, including Geometric Solution, Minimization of Vessel Foreshortening and Plane Fitting, and their characteristics in terms of accuracy and computation cost are analyzed and compared.
     2.感兴趣血管段最佳视角的计算提出了满足感兴趣血管段最小遮盖的造影角度计算方法,并在满足最小投影缩短的造影角度范围内寻找满足最小遮盖的造影角度,从而获得感兴趣血管段的最佳视角。
短句来源
     Some algorithms, including plane fitting, sphere fitting, cylinder fitting and cone fitting are discussed and programmed with linear or non-linear least squares method (LSM). As an alternative solution tool, based on LSM and region growing, some new techniques of quadric surface feature extracting are explored also.
     本文着重研究了基于点云的二次曲面特征的提取技术,提出并实现了利用线性和非线性的最小二乘方法由测量数据点拟合平面以及球面、圆柱面、圆锥面等自然二次曲面的算法,并详细论述基于最小二乘方法和区域生长的二次曲面特征提取技术。
短句来源
     In the last of the paper, two math models, include plane fitting method and conicoid fitting method, are particularly analyzed based on some projects.
     最后,结合多个具体的工程实例,对GPS高程拟合的两种数学模型(平面拟合法和二次曲面拟合法)进行了详细分析;
短句来源
     This paper presents application of Pro/E software in finite element analysis, explores the solid model simplification technology, solves the curve plane fitting problem occurring during the modeling and establishes complex structure model fast and accurately. This assures the success in the following ANSYS analysis work.
     介绍了在结构有限元分析过程中Pro/E软件的应用,探讨了实体模型的简化技术,并针对建模过程中的曲面配合等难点和问题提出了有效的解决方法,快速、精确地创建了复杂结构的模型,为使用ANSYS进行后续分析工作提供了前提和保障。
短句来源
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  plane fitting
Within each segment plane fitting is then applied to the stable pixels, using the depth values from the current disparity map hypothesis.
      
The quality of the plane fitting depends largely on the size k of the neighborhood and their relationship is fairly complicated.
      
The two basic operations involved in this stage are tangent plane fitting and normal correction.
      
The plane fitting technique fails when the scene has elevation variations, which occurs frequently in natural terrain.
      
The plane fitting is performed in the disparity space, and is applied per segment.
      
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In the adaptive piecewise plane fitting imaga data compression method, an image is divided into many blocks The image gray level surface in each block is approximated by a plane. The block sizes adaptively vary with the local image content. The experiment results show that small ceding error and high compression ratio can be got by this method. The compression ratios for the two test images are 8.78 and 13.64 respectively.

图象压缩编码的自适应分片平面拟合方法是将图象分割成若干个方块,在每个方块内用平面来逼近图象的灰度曲面,其中方块的大小随着图象的局部内容而变化。实验结果表明,这种压缩编码不仅编码误差较小,而且压缩比较高。对两幅实验图象编码的压缩比高达8.78和13.64。

The chromaticity of an object surface in scene is a constant feature irrelevant to the object shape, which is called color in-varianoe. But that of the corresponding object in image is variable because of the existance of highlight and shading, no color constancy is observed. To construct a physical model of color reflection is a way to understand the image color correctly. This paper describes a method for computing illuminant and object chromaticity coordinate, which is based on the Dichromatic Reflection...

The chromaticity of an object surface in scene is a constant feature irrelevant to the object shape, which is called color in-varianoe. But that of the corresponding object in image is variable because of the existance of highlight and shading, no color constancy is observed. To construct a physical model of color reflection is a way to understand the image color correctly. This paper describes a method for computing illuminant and object chromaticity coordinate, which is based on the Dichromatic Reflection Model proposed by klinker et al[1]. First deals with plane fitting in 3D color histogram using K-L transform, then separates the interface reflection component from the body reflection component. Also the limitation of practical CCD cameras is discussed and the experimental results are presented. (Fig. 1~3: see color inset No. 1~9).

景物中物体表面的色品是与该物体形状无关的稳定特性,称为颜色不变性。但是,由于耀斑(highlight)和影绸(shading)的存在,图像中对应物体表面点的色品却是变化的,不具有颜色不变性。正确理解图像颜色的基础是建立颜色反射的物理模型。本文叙述了根据Klinker提出的双色反射模型(the dichromatic reflection model),在三维颜色直方图(3D color histogram)中利用K-L变换做平面拟合,分离面反射分量(interface reflection component)和体反射分量(body reflection component),从而计算光源和物体颜色色度坐标的方法,讨论了实际CCD摄像机的局限性,给出了实验结果。

The color of certain object surface has a constant feature,irrelevant to the object surface shape.But the color of the image is variablebecause of the existence of highlights.To construct a physical modelof color reflection is a way to understand the image color correctly.Thispaper describes a method of computing light source color coordinates andobject color coordinates.Based on the Dichromatic Reflection Model proposedby Klinker et al,the method first makes plane fitting in the color cube byusing K-L...

The color of certain object surface has a constant feature,irrelevant to the object surface shape.But the color of the image is variablebecause of the existence of highlights.To construct a physical modelof color reflection is a way to understand the image color correctly.Thispaper describes a method of computing light source color coordinates andobject color coordinates.Based on the Dichromatic Reflection Model proposedby Klinker et al,the method first makes plane fitting in the color cube byusing K-L transform,then separates the interface reflection componentsand body reflection components.Also the limitations of practical CCD camerasare discussed and the experiment results are presented.The color imagegiven in this paper refers to that generated by a color CCD camera frommonochromatic object under monochromatic light(not the light with singlewavelength).

某种材料表面的颜色具有与形状无关的稳定特性,但图象中表面的颜色由于存在高光和影调而是变化的。建立颜色反射的物理模型是正确理解图象颜色的基础。叙述了根据Klinker~[1]等提出的二色反射模型,在颜色空间直方图中,利用K-L 变换作平面拟合,分离面反射颜色分量与体反射颜色分量,计算光源和物体色度坐标的方法。讨论了实际CCD 摄象机的局限性,给出了实验结果。文中的彩色图象是指单一颜色光照(非单一波长的光照)下的单色物体在彩色CCD 摄象机中成的象。

 
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