Fourier descriptor is one of the important methods to analyze and recognize the shape of objects. A continuous Fourier transform method based on curve polygon is used The method of calculating the Fourier descriptor and eliminating the phase influence of the boundary starting point by the main direction of the shape defines the new rotation, translation and scale invariance The normalized Fourier transform of sex. Compared with the traditional Fourier transform of the discrete Fourier transform and the normalized Fourier transform, the new normalized Fourier transform is described The child retains both the model and phase characteristics, so it can better identify the shape of the object. Experiments show that the new normalized Fourier descriptor is more traditional than the traditional one Fourier describes the shape of objects that can be more efficiently and accurately identified.

傅立叶描述子识别物体的形状.PDF

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