Digital Still Camera. Main Technologies. CCD Image Sensors for Still Cameras.

CCD or CMOS Image Sensors for Consumer Digital still Photography ?

Albert J. P. THEUWISSEN Philips Semiconductors Image Sensors Prof. Holstl.aan, 4, 5656AA Eindhoven, The Netherlands albert.theuwissen(@philips.com Compared to CCD imagers, CMOS image sensors have some clear advantages : lower power, lower driving voltages, onchip functionality, selective read-out and cost. Despite of these advantages, CCDs still deliver a better image quality, especially for di...

IMAGE SENSORS and SIGNAL PROCESSING for DIGITAL STILL CAMERAS

Image comparison measure for digital still color cameras

A measure is developed for comparing complex scenes produced by single-chip digital color cameras. The proposed measure is based on the CIELAB color space with appropriate considerations to the sensitivity of the Human Visual System (HVS) when viewing a complex scene. For comparison purposes, the error measures proposed have been implemented using the , and the recently recommended color differ...

Digital Still Camera Forensics

In many instances computer forensic practitioners come across digital photographs within an investigation. Examples include law enforcement examining computers for child pornography, intellectual property disputes involving proprietary digital images, or file recovery for individuals who have lost personal photos due to accidental deletion or electronic media corruption. More technical examples...

Automatic White Balance for Digital Still Cameras

In recent years digital cameras have captured the camera market. Although the factors that consumer consider is the quality of the photographs produced. White balance is one of the methods used to improve the quality of the photographs. The basic white balance methods are, however powerless to handle all possible situations in the captured scene. In order to improve the white balance we divide ...