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» Perceptual Image Distortion
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TCSV
2008
111views more  TCSV 2008»
15 years 4 months ago
Cryptanalysis of an Image Scrambling Scheme Without Bandwidth Expansion
Recently, a novel image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional (2-D) discrete prolate spheroidal sequences (DPSS). ...
Shujun Li, Chengqing Li, Kwok-Tung Lo, Guanrong Ch...
TIP
2010
124views more  TIP 2010»
15 years 2 months ago
Block-Based Image Compression With Parameter-Assistant Inpainting
Abstract—This correspondence presents an image compression approach that integrates our proposed parameter-assistant inpainting (PAI) to exploit visual redundancy in color images...
Zhiwei Xiong, Xiaoyan Sun, Feng Wu
ACCV
2006
Springer
15 years 10 months ago
Fisheye Lenses Calibration Using Straight-Line Spherical Perspective Projection Constraint
Fisheye lenses are often used to enlarge the field of view (FOV) of a conventional camera. But the images taken with fisheye lenses have severe distortions. This paper proposes a...
Xianghua Ying, Zhanyi Hu, Hongbin Zha
ISBI
2007
IEEE
15 years 10 months ago
Segmentation of Non-convex Regions within Uterine Cervix Images
The National Cancer Institute has collected a large database of uterine cervix images, termed “cervigrams” for cervical cancer screening research. Tissues of interest within t...
Shiri Gordon, Hayit Greenspan
ISCAS
2007
IEEE
241views Hardware» more  ISCAS 2007»
15 years 10 months ago
Image Denoising using Shiftable Directional Pyramid and Scale Mixtures of Complex Gaussians
— In this paper, a modified version of the complex directional pyramid (PDTDFB) is proposed. Unlike the previous approach, the new FB provides an approximately tight-frame decom...
An P. N. Vo, Truong T. Nguyen, Soontorn Oraintara