Z. Wei

Publications13
h-index3
Citations128
Highly Influential Citations8
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Perceptual digital watermark of images using wavelet transform
TLDR
A perceptually based watermarking technique for an image is proposed. Expand
  • 100
  • 6
Medical Image Clustering for Intelligent Decision Support
TLDR
We quantified the domain knowledge about brain image, and then incorporate this quantified measurement into the clustering algorithm. Expand
  • 8
  • 2
Evaluation of Hepatocellular Carcinoma by Contrast‐Enhanced Sonography
The purpose of this study was to determine whether contrast‐enhanced sonography can be used to differentiate histopathologic grades of hepatocellular carcinoma.
  • 12
A chaotic block encryption scheme based on the piecewise nonlinear map
In order to improve communication security, proposed a chaotic block cryptographic scheme based on the coupled piecewise nonlinear map. Using the coupled chaotic systems to generate random binary… Expand
  • 1
New multi-signature and proxy multi-signature schemes from the Weil pairings
There exist two classes of proxy multi-signature. In the first class, different proxy signers delegate different original signers, while in the second class a same proxy signer delegates all of the… Expand
  • 2
A three layers multiple kernel learning model for analog circuit fault diagnosis
TLDR
In order to improve the performance of multi-kernel diagnosis models, a novel three layers multiple kernel learning (MKL) algorithms for extreme learning machine (ELM) is presented by combining the radius-incorporated MK-ELM with AdaBoost strategy. Expand
  • 2
A solution of rotation invariance based ESPRIT(SRI-ESPRIT) method approach to direction-of-arrival estimation
In this paper an new ESPRIT algorithm based on the solution of rotation invariance relationship (SRI-ESPRIT) is proposed, providing an new solution to the general class of ESPRIT technique. The… Expand
  • 1
Detecting Brain Disease Based on Pixel ' s Clustering 1
The high incidence of brain disease, especially brain tumor, has increased significantly in recent years. It is becoming more and more concernful to discover knowledge through mining medical brain… Expand
  • 1
Ringlike Level of Detail in Real-Time Terrain Rendering
  • Z. Wei
  • Computer Science
  • International Conference on Environmental Science…
  • 4 July 2009
TLDR
We propose an efficient Ringlike LOD algorithm which depends on a structure that consists of many concentric rings with viewpoint in the center. Expand
  • 1
COLOR CORRECTION FOR REMOTE SENSING IMAGES BASED ON REMOTE SENSING CAMERA MODEL
The impact of daylight, aerosphere and remote sensing camera sensitivity on the color of remote sensing image was analyzed. Color correction based on remote sensing camera model was presented. Which… Expand