A good watermarking technique helps in protecting the copy right of the image which is the motivational factor in developing new encryption techniques .The present paper found a novel fact that by inserting the watermark using Least Significant Bit (LSB into three components of the image namely RED GREEN and BLUE. The watermark is a binary image ,embedded into host image by altering LSB values ...

Objectives: To analyze various filtering methods to eliminate noises present in the lung CT images and enhance image, which help further evaluation of for accurate cancer detection. compare proposed method with existing techniques find best technique. Methods: For input like salt along pepper noise speckle are added. noisy different Median filter, Wiener Gaussian filter Guided applied. The perf...

In this paper, we propose an efficient algorithm for removing salt and pepper noise in images. The process of denoising is implemented two stages: detection followed by removal. For detection, extreme intensity values image are used to detect possible “noise pixels”. removal, the switching mechanism only selects pixels” processing avoid altering any fine details, identified noise-free pixels ac...

The problem of denoising iris pictures for identification systems will be discussed, as well a novel solution based on wavelet and median filters. Different salt pepper extraction algorithms, Gaussian speckle noises, were used. Because diverse sounds decrease picture quality during image collection, noise reduction is even more important. To reduce like pepper, Gaussian, speckle, filtering (med...

In this paper, new detection mechanism for universal noise and a universal noise-filtering framework based on the nonlocal means (NL-means) has been proposed. It introduce new statistics ROR for describing the outlyingness of the pixels and propose a new detection mechanism. The proposed approach can be adapted to various models such as salt and pepper impulse noise and randomvalued impulse noi...

An algorithm is designed for the histogram representation of an image, subsequent detection of Salt and Pepper (SP) noise in the image and finally the restoration of the image from this noise. The image is first represented as histogram, then fuzzy rule are applied on this. The images taken up for experimental analyses are subjected to the fuzzy based filter for SP noise removal. The proposed a...

Segmentation is a process of separating the objects from background. Several GA-based approaches have been used to improve the quality of image segmentation in the past based on thresholds, edge detection, region and cluster detection and morphology. The proposed GA-based approach gives us good results for the segmentation of binary images using different image parameters namely the image block...

PERFORMANCE COMPARISON BETWEEN FILTERS AND WAVELET TRANSFORM IN IMAGE DENOISING FOR DIFFERENT NOISES Bobby1 and Manish Mahajan2 Research Scholar (M. Tech.), Information Technology Department, Chandigarh Engineering College Landran, Mohali, Punjab, India. E-mail: [email protected] 2Assistant Professor Supervisor, Information Technology Department, Chandigarh Engineering College Landran, Moh...