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JEI
2008
109views more  JEI 2008»
13 years 10 months ago
New approach for liveness detection in fingerprint scanners based on valley noise analysis
Recent research has shown that it is possible to spoof a variety of fingerprint scanners using some simple techniques with molds made from plastic, clay, Play-Doh, silicon, or gela...
Bozhao Tan, Stephanie A. C. Schuckers
JEI
2008
129views more  JEI 2008»
13 years 10 months ago
Removable visible image watermarking algorithm in the discrete cosine transform domain
Abstract. A removable visible watermarking scheme, which operates in the discrete cosine transform (DCT) domain, is proposed for combating copyright piracy. First, the original wat...
Ying Yang, Xingming Sun, Hengfu Yang, Chang-Tsun L...
JEI
2008
116views more  JEI 2008»
13 years 10 months ago
Region-of-interest processing for electronic visual prostheses
Electronic visual prostheses, or "bionic eyes," are likely to provide some coarse visual sensations to blind patients who have these systems implanted. The quality of art...
Justin R. Boyle, Anthony J. Maeder, Wageeh W. Bole...
JEI
2008
103views more  JEI 2008»
13 years 10 months ago
Planet or Moon image processing for spacecraft attitude estimation
This paper presents the summary of the image processing of a vision-based three-axis attitude determination sensor, which observes a solar system oblate body such as a planet or a...
Keunjoo Park, Daniele Mortari
JEI
2008
128views more  JEI 2008»
13 years 11 months ago
Practical use of receiver operating characteristic analysis to assess the performances of defect detection algorithms
Defect detection in images is a current task in quality control and is often integrated in partially or fully automated systems. Assessing the performances of defect detection algo...
Yann Le Meur, Jean-Michel Vignolle, Jocelyn Chanus...
JEI
2006
162views more  JEI 2006»
13 years 11 months ago
Markovian segmentation and parameter estimation on graphics hardware
In this paper, we show how Markovian strategies used to solve well-known segmentation problems such as motion estimation, motion detection, motion segmentation, stereovision, and c...
Pierre-Marc Jodoin, Max Mignotte
JEI
2006
78views more  JEI 2006»
13 years 11 months ago
Lapped-orthogonal-transform-based adaptive image watermarking
A robust, invisible watermarking scheme is proposed for digital images, where the watermark is embedded using the blockbased lapped orthogonal transform (LOT). The embedding proces...
Yuxin Liu, Bin Ni, Xiaojun Feng, Edward J. Delp
JEI
2006
125views more  JEI 2006»
13 years 11 months ago
Image manipulation detection
Abstract. Techniques and methodologies for validating the authenticity of digital images and testing for the presence of doctoring and manipulation operations on them has recently ...
Sevinc Bayram, Ismail Avcibas, Bülent Sankur,...
JEI
2006
78views more  JEI 2006»
13 years 11 months ago
Cryptanalysis of an image encryption scheme
Shujun Li, Chengqing Li, Kwok-Tung Lo, Guanrong Ch...
JEI
2006
103views more  JEI 2006»
13 years 11 months ago
Shot boundary detection without threshold parameters
Automatic shot boundary detection is a field, where many techniques and methods have been proposed and have claimed to perform reliably, especially for abrupt scene cut detection. ...
Harilaos Koumaras, Georgios Gardikis, Georgios Xil...