Image Sensors and Signal Processing for Digital Still Cameras
Shrinking pixel sizes along with improvements in image sensors, optics, and electronics have elevated DSCs to levels of performance that match, and have the potential to surpass, that of silver-halide film cameras. Image Sensors and Signal Processing for Digital Still Cameras captures the current state of DSC image acquisition and signal processing technology and takes an all-inclusive look at the field, from the history of DSCs to future possibilities.\ The first chapter outlines the...
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Shrinking pixel sizes along with improvements in image sensors, optics, and electronics have elevated DSCs to levels of performance that match, and have the potential to surpass, that of silver-halide film cameras. Image Sensors and Signal Processing for Digital Still Cameras captures the current state of DSC image acquisition and signal processing technology and takes an all-inclusive look at the field, from the history of DSCs to future possibilities.The first chapter outlines the evolution of DSCs, their basic structure, and their major application classes. The next few chapters discuss high-quality optics that meet the requirements of better image sensors, the basic functions and performance parameters of image sensors, and detailed discussions of both CCD and CMOS image sensors. The book then discusses how color theory affects the uses of DSCs, presents basic image processing and camera control algorithms and examples of advanced image processing algorithms, explores the architecture and required performance of signal processing engines, and explains how to evaluate image quality for each component described. The book closes with a look at future technologies and the challenges that must be overcome to realize them.With contributions from many active DSC experts, Image Sensors and Image Processing for Digital Still Cameras offers unparalleled real-world coverage and opens wide the door for future innovation.
Ch. 1Digital still cameras at a glance1Ch. 2Optics in digital still cameras21Ch. 3Basics of image sensors53Ch. 4CCD image sensors95Ch. 5CMOS image sensors143Ch. 6Evaluation of image sensors179Ch. 7Color theory and its application to digital still cameras205Ch. 8Image-processing algorithms223Ch. 9Image-processing engines255Ch. 10Evaluation of image quality277Ch. 11Some thoughts on future digital still cameras305App. ANumber of incident photons per lux with a standard light source315App. BSensitivity and ISO indication of an imaging system319
