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Autor:
M. Exarhos, E. Papazoglou, Constantin Papaodysseus, M. Panagopoulos, Dimitris Arabadjis, P. Rousopoulos
Publikováno v:
2008 9th International Conference on Signal Processing.
In this work a new methodology is introduced for the automated reassembling/reconstruction of fragmented objects using their 3D digital representation. The whole process starts by 3D scanning of the available fragments. These are subsequently properl
Autor:
He Zhi-ming, Guo Lei
Publikováno v:
2008 9th International Conference on Signal Processing.
Projection on convex sets (POCS) is an algorithm which produces high-resolution image from a set of low-resolution images, but doesnpsilat perform very well on the reconstruction of high frequency information and depressing noise. In this paper, wave
Publikováno v:
2008 9th International Conference on Signal Processing.
Watermarking technique is the main method for copyright protection. But this technique does not suit remote sensing image because the embedded watermark heavily affects the results of its applicative tasks. In order to protect remote sensing image, t
Autor:
Xin-ling Wen, Yang Xiao
Publikováno v:
2008 9th International Conference on Signal Processing.
Conventional 2-D discrete cosine transform (DCT) and 2-D discrete wavelet transform (DWT) have not been taken image orientation information into account. At the same time, to remove the speckle noise in ultrasound image is also a hard nut to crack. B
Publikováno v:
2008 9th International Conference on Signal Processing.
In this paper, a new lifting scheme of directionlet transform(LDT) is presented, the corresponding multi-directional and anisotropic transform has lattice-based separable filtering and subsampling along any two directions with rational slopes. We des
Publikováno v:
2008 9th International Conference on Signal Processing.
An appearance-based face recognition approach called the local Fisher discriminant embedding (LFDE) method is proposed in this paper. By using LFDE, the face images are mapped into a face subspace for analysis. Different from linear discriminant anal
Autor:
Zhu Xi'an
Publikováno v:
2008 9th International Conference on Signal Processing.
Digital watermarking technique is one of most important methods in information hiding and IPR (Intelligence Properties Right) protection and authentication. The aim of the paper is study on a new semi-fragile digital watermarking algorithm. The copyr
Publikováno v:
2008 9th International Conference on Signal Processing.
The aim of this paper is to test which multiresolution level should be used in lossy wavelet compression. The measurements were done using two sizes of test images, three wavelet base functions and three color spaces. Different orders of each wavelet
Autor:
Jose George, S.P. Indu
Publikováno v:
2008 9th International Conference on Signal Processing.
Tensor based orientation adaptive filtering constitutes a flexible framework for image enhancement. In this paper, Local Structure Tensor (LST) based Adaptive Anisotropic Filtering (AAF) methodology is used for color image enhancement and denoising.
Publikováno v:
2008 9th International Conference on Signal Processing.
This paper presents a technique to measure the minute displacement using digital speckle images. We firstly de-noise the speckle images using wavelet transform. And then the phase correlation algorithm is employed to calculate the integer pixel displ