摘要第二代Bandelet 可以充分利用图像的内在几何正则性特点, 并能自适应获得图像的最优
表示. 本文采用隐马尔可夫树(Hidden Markov tree, HMT) 模型对图像的第二代Bandelet …

An ideal steganographic technique embeds secret information into a carrier cover object
with virtually imperceptible modification of the cover object. Steganalysis is a technique to …

Steganalysis is a technique to detect the presence of hidden embedded information in a
given data. Each steganalyzer is composed of feature extraction and feature classification …

Biometrics-based personal verification is a powerful security features in technology era.
Palmprint is an important complement and reliable biometric that can be used for identity …

Image segmentation is an important step in several computer vision applications. The
segmentation of images into homogeneous and meaningful regions is a fundamental …

In this paper, the problem of texture image segmentation and classification using contourlet
transform and Support Vector Machine (SVM) classifier is discussed and a new block–based …

In this paper, a novel algorithm in the contourlet domain is presented for segmenting lumbar
vertebra in CT image. Firstly we apply the contourlet transform to the image, use its …

This paper describes a method for the moving object detection and tracking in video
sequences using contourlet transform. For the contourlet transform to be translation-invariant …

Notice of Retraction<BR>All-Round Emergency Management of Public Incidents Page 1
Notice of Retraction After careful and considered review of the content of this paper by a …

Wavelet transforms and other frequency domain methods are widely used for edge
detection, but they suffer from shift and rotation sensitivity. Recently, new x-let multiscale …