Multiple Exposure Fusion for High Dynamic Range Image Acquisition

Image Processing – IEEE 2012- January 2012 Technology Used: DOT NET A multiple exposure fusion to enhance the dynamic range of an image is proposed. The construction of high dynamic range images (HDRIs) is performed by combining multiple images taken with different exposures and estimating the irradiance value for each pixel. This is a common [...]

Steganalysis of JPEG steganography with complementary embedding strategy

Technology Used — Dot Net IEEE 2011 Recently, a new high-performance JPEG steganography with a complementary embedding strategy (JPEG-CES) was presented. It can disable many specific steganalysers such as the Chi-square family and S family detectors, which have been used to attack J-Steg, JPHide, F5 and OutGuess successfully. In this work, a study on the [...]

Sparse Bayesian Learning of Filters for Efficient Image Expansion

Technology Used: Dot Net IEEE 2010 We propose a framework for expanding a given image using an interpolator that is trained in advance with training data, based on sparse Bayesian estimation for determining the optimal and compact support for efficient image expansion. Experiments on test data show that learned  interpolators are compact yet superior to [...]

A DWT Based Approach for Steganography Using Biometrics

Technology Used: Dot Net IEEE 2010 Steganography is the art of hiding the existence of data in another transmission medium to achieve secret communication. It does not replace cryptography but rather boosts the security using its obscurity features. Steganography method used in this paper is based on biometrics. And the biometric feature used to implement [...]

An Improved Lossless Image Compression Algorithm Loco-R

Technology Used: Java IEEE 2010 This paper presents a state-of-the-art implementation of lossless image compression algorithm LOCO-R, which is based on the LOCO-I (low complexity lossless compression for images) algorithm developed by weinberger, Seroussi and Sapiro, with modifications and betterment, the algorithm reduces obviously the implementation complexity. Experiments illustrate that this algorithm is better than [...]