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- W2394397592 abstract "The existent methods of edge detection can't satisfied these roles simultaneously that are suppressing noise and precise orientation. So the existent methods are ineffective and need to be improved. In this article, a multiscale Hermite transform method (MHT) has been put forward to solve these problems. By analysing Hermite transform, it can be proved that Hermite transform is based on Gaussian filtering and represents the optimized direction of local area, so MHT method has better expression than other methods in noise suppression. Furthermore, MHT method fused the character of big scale and small scale. These characters are that noise is well suppressed and the orientation of edge is precise. At last,comparisons between the MHT method and the often used Sobel algorithms are made. The results indicate that the good noise suppression and precise orientation can be got, when this MHT method is used to detect edge of low-SNR image." @default.
- W2394397592 created "2016-06-24" @default.
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- W2394397592 date "2006-01-01" @default.
- W2394397592 modified "2023-09-23" @default.
- W2394397592 title "Edge detection investigation of low-SNR image based on multiscale directional Hermite transform" @default.
- W2394397592 hasPublicationYear "2006" @default.
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