what DSCs are, how they have evolved, types of modern DSCs, their basic
structure, and their applications.
•In Chapter 2, “Optics in Digital Still Cameras,” a wide range of topics
explains the imaging optics used in DSCs. It is obvious that high image
quality cannot be obtained without a high-performance imaging optical
system. It is also true that requirements for imaging optics have become
higher as pixel counts have increased and pixel sizes have decreased.
•Reviews of image sensor technologies for DSC applications can be found
in Chapter 3 through Chapter 6.
•First, in Chapter 3, “Basics of Image Sensors,” the functions and
performance parameters common to CCD and complementary metal-
oxide semiconductor (CMOS) image sensors are explained.
•Chapter 4, “CCD Image Sensors,” describes in detail the CCD image
sensors widely used in imaging applications. The chapter ranges from
a discussion of basic CCD operating principles to descriptions of CCD
image sensors specifically designed for DSC applications.
•Chapter 5, “CMOS Image Sensors,” discusses the relatively new
CMOS image sensor technology, whose predecessor, the MOS type of
image sensor, was released into the market almost 40 years ago, even
before the CCD image sensor.
•Following these descriptions of image sensors, methods for evaluating
image sensor performances relative to DSC requirements are presented
in Chapter 6, “Evaluation of Image Sensors.”
•Chapter 7 and Chapter 8 provide the basic knowledge needed to imple-
ment image processing algorithms.
•The topics discussed in Chapter 7, “Color Theory and Its Application
to Digital Still Cameras,” could easily fill an entire book; however, the
emphasis here is on how color theory affects the practical uses of DSC
applications.
•Chapter 8, “Image-Processing Algorithms,” presents the algorithms
utilized by the software or hardware in a DSC. Basic image-processing
and camera control algorithms are provided along with advanced
image-processing examples.
•This provides the framework for the description of the image-processing
hardware engine in Chapter 9, “Image-Processing Engines.” The required
performance parameters for DSCs and digital video cameras are reviewed,
followed by descriptions of the architectures of signal-processing engines.
Examples of analog front-end and digital back-end designs are introduced.
•In Chapter 10, “Evaluation of Image Quality,” readers learn how each
component described in the previous chapters affects image quality. Image
quality-related standards are also given.
•In Chapter 11, “Some Thoughts on Future Digital Still Cameras,” Eric
Fossum, the pioneer of CMOS image sensor technology, discusses future
DSC image sensors with a linear extrapolation of current technology and
then explores a new paradigm for image sensors. Future digital camera
concepts are also addressed.
DK545X_C000.fm Page 6 Wednesday, July 6, 2005 8:12 AM
Copyright © 2006 Taylor & Francis Group, LLC
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