Single-sensor digital cameras capture imagery by covering the sensor surface with a color filter array (CFA) such that each sensor pixel only samples one of three primary color values. To render a full-color image, an interpolation process, commonly referred to as CFA demosaicking, is required to estimate the other two missing color values at each pixel. In this paper, we present two contributi...

We present a study on the the applicability of hyperspectral images to evaluate color filter array (CFA) design and the performance of demosaicking algorithms. The aim is to simulate a typical digital still camera processing pipe-line and to compare two different scenarios: evaluate the performance of demosaicking algorithms applied to raw camera RGB values before color rendering to sRGB, and e...

In single sensor digital color cameras at each pixel it captures only one of the three primary colors so the full color image is obtained by interpolating all other missing color samples at that pixel this process is the color demosaicking process. When we capture the images using digital cameras there is some sensor noise is introduced in image. This type of noise is introduced in all type of ...

Covering sensor surface with a Color Filter Array (CFA) and enabling a sensor pixel sample only one of three primary color values, is how single sensor digital cameras capture imagery. An interpolation process, called CFA demosaicking estimates other two missing color values at every pixel to render a full color image. This study presents two contributions to CFA demosaicking: a new and improve...

This paper presents a generalized demosaicking procedure suitable for single-sensor imaging devices. By employing an edge-sensing mechanism and a spectral model, the proposed demosaicking framework preserves both the spatial and spectral characteristics of the captured image. Experimental results reported in this paper indicate that the solutions designed within the proposed framework produce v...

Digital cameras generally use a single image sensor which surface is covered by a color filter array. The Color Filter Array (CFA) limits each sensor pixel by sampling one of the three primary color values (red, green or blue), whereas the other two missing color values would be acquired by the post-processing procedure called demosaicking. From the noisy CFA data, the full color images are rec...

Extra band information in addition to the RGB, such as the near-infrared (NIR) and the ultra-violet, is valuable for many applications. In this paper, we propose a novel color filter array (CFA), which we call “hybrid CFA,” and a demosaicking algorithm for the simultaneous capturing of the RGB and the additional band images. Our proposed hybrid CFA and demosaicking algorithm do not rely on any ...

Multispectral imaging is highly demanded for precise color reproduction and for various computer vision applications. Multispectral imaging with a multispectral color filter array (MCFA), which can be considered as a multispectral extension of commonly used consumer RGB cameras, could be a simple, low-cost, and practical system. A challenge of the multispectral imaging with the MCFA is multispe...

In Our Society Digital Images Are Powerful And Widely Used In Communication Medium. They Have An Important Impact On Our Lives. In The Recent Years, Due To The Advent Of High Performance Commodity Hardware And Improved Human Computer Interfaces. It Has Become Relatively Easy To Create The Fake Images. In The Modern Days, It Is Easy To Use Image Forgeries That Are Undetectable By The Naked Eye. ...