Hello,
Our first attempt to learn more about the userТs experience in image enhancement area was made this March. At that time we have launched a public opinion poll concerning what enhancement techniques people would like Photoshop plug-ins to have. Four months later the voting was closed and everyone looking at the results at
http://www.imageskill.com/newsletters/news_07232007.html can notice that the noise removal problem is on the top of our voting list.
Full text (in HTML format) you can see at
http://www.imageskill.com/articles/HTML/camera_noise.htmlFull text (in PDF format) you can see at
http://www.imageskill.com/articles/PDF/camera_noise.pdf1. What is digital camera noise?There are two main types of such noise: chrominance noise and luminance noise. The former usually appears as small, off-colored spots or specks in the image while the latter usually appears as small, dark spots that often look like film grain...2. Noise origin in digital camera.What are the main sources of noise in a digital camera image?а They can be roughly classified as random noise (photon shot noise, dark current shot noise), fixed pattern noise (due to variations in the manufacturing of sensors, each pixel has small differences in sensitivity) and readout noise... 3. How do some digital camera characteristics and settings influence on noise level?The problem is that lots of consumers are fixated on megapixels assuming that a camera with more megapixels must take better pictures than one with fewer. Unfortunately it is not true...4.а а а а ааReferences and linksFull text (in HTML format) you can see at
http://www.imageskill.com/articles/HTML/camera_noise.htmlFull text (in PDF format) you can see at
http://www.imageskill.com/articles/PDF/camera_noise.pdfImageSkill team
