Moment is an important shape descriptor in computer vision.
在计算机视觉中，矩是一种重要的形状特征描述。
Therefore, it can be used as a shape descriptor to aid in the identification of objects in images.
它可以用作形状描述符帮助识别图象中的客体。
By defining the number of local features according to the shape, our method describes local features using local shape descriptor.
该方法在定义与模型形状相关的局部特征数目的基础上，对模型的局部形状进行描述。
This paper proposes a new Fourier shape descriptor integrated with Principal Component Analysis (PCA) and the Farthest Point Distance (FPD).
提出一种将主成分分析(PCA)与最远点距离(FPD)相结合的二维形状傅里叶描述子。
The edge Fourier transform is an important shape descriptor, but it makes use of only the image edge information ignoring the image region information.
基于边界的傅立叶变换是一种重要的形状描述方法，其只利用了图像的边界信息，而忽略了图像的区域信息。
The shape descriptor developed in this thesis has the aim to represent the object boundaries computationally and reliably, and to describe the image semantically.
本文中的形状描绘子用于对物体边界进行可靠的计算机表述，进而对图像进行语义层面的描述。
The paper first introduces some related techniques to the research subject, such as image file format, skin color detection, skin texture detection, edge detection and shape descriptor, etc.
本文先介绍了一些与课题相关的技术，主要有图象文件格式、肤色检测、纹理检测、轮廓检测和形状描述等技术。
Experimental results show that the proposed object extraction algorithm and shape descriptor are of high accuracy and reliability. They outperform their corresponding alternatives in literature.
实验结果表明本文提出的物体提取算法和形状描绘子准确性较高，可靠性较强，并优于现有的同类方法。
Fourier descriptor is an important method used in shape analysis and recognition.
傅立叶描述子是分析和识别物体形状的重要方法之一。
And the image feature descriptor has a rotation, translation, scaling invariance, etc. it can be a very good to describe the shape and spatial distribution of information.
且获得的图像特征描述符具有旋转、平移、尺度不变性等优点，能够很好地描述图像的形状和空间分布信息。
The descriptor based on symmetry can commendably reflect shape information and be used in 3d model retrieval.
基于对称性的描述符可以很好地反映三维模型的形状信息，适用于三维模型检索领域。
The descriptor based on symmetry can commendably reflect shape information and be used in 3d model retrieval.
基于对称性的描述符可以很好地反映三维模型的形状信息，适用于三维模型检索领域。
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