Principle objective of image enhancement is to process an image so that result is more suitable than original image for specific application. Digital image enhancement techniques provide a multitude of choices for improving visual quality of an image. Artifacts, over enhancement and unnatural effects are produced by current contrast enhancement algorithms. The Content aware algorithm enhances t...

We present in this article a parallelization of a discrete radiosity method, based on scene division and achieved on a cluster of workstations. This method is based on discretization of surfaces into voxels and not into patches like most of the radiosity methods do. Voxels are stocked into visibility lists representing the space partition into discrete lines and allowing mutually visible neighb...

Most research on face recognition has focused on representation of face appearances rather than the classifiers. For robust classification performance, we need to adopt elaborate classifiers. Output coding is suitable for this purpose because it can allow online learning. In this paper, we propose an N -division output coding method. In the experiments we demonstrate such properties as problem ...

In this paper a new iterative method is presented for finding the zeros of a non linear equation using the concept of probability. In this method a sub bracket is produced after bracketing the root by dividing the initial interval into a number of subintervals of equal length. In this work, after assigning a probability to each subinterval, sub bracketing is done by not evaluating the functiona...

We describe a frequency-domain deconvolution that uses no division and doesn't suuer from singular kernels. A fast computational algorithm is derived which works equally well for nonsingular as for singular kernels and has a complexity which is proportional to the fast Fourier transform. Its noise behaviour is also studied statistically on real signals, showing improved performance, on average,...

Efficiency of a cryptosystem depends not only on the security it provides, but also it increases the operational speed thereby it reduces the time taken for encryption and decryption. In most numbertheoretic cryptographic algorithms like RSA, ElGamal, Massey-Omura etc., the encryption and decryption functions often involve raising large elements (x mod n) of group fields GF(2) or large powers (...

Residue Number System (RNS) has computational advantages for large integer arithmetic. It provides the benefits of parallel, carry-free, and high-speed arithmetic in addition, subtraction, and multiplication. However, overflow detection, sign detection, magnitude detection, and division are time-consuming operations in RNS. The most interesting one of the above operations is division, and many ...

Division of focal plane (DoFP) polarimeters are composed of interlaced linear polarizers overlaid upon a focal plane array sensor. The interpolation is essential to reconstruct polarization information. However, current interpolation methods are based on the unrealistic assumption of noise-free images. Thus, it is advantageous to carry out denoising before interpolation. In this paper, we propo...