guarav sharma - digital color imaging handbook 2003

... ( λ ) b ¯ ( λ ) F igure 1.8 CIE color matching functions.r λ()g λ()b λ(),, x λ() y λ() z λ() y λ() © 2003 by CRC Press LLC Digital Color Imaging HANDBOOK © 2003 by CRC Press LLC The tristimulus ... fundamentals for digital imaging Gaurav Sharma Xerox Corporation Contents 1.1Introduction 1.2Physical stimuli for color 1.2.1The stimulus error 1.3Human color perception a...

Ngày tải lên: 05/06/2014, 11:58

... Quantization • Efficient Use of Bit-Resources 52.4 Frequency Domain Coders The JPEG Standard • Improved Coders: State-of-the-Art 52.5 Fractal Coding Mathematical Background • Mean-Gain-Shape Attractor Coding • Discussion 52.6 ... (VQ) [9], as men- tioned in the introductory section. VQ is a generalization of scalar quantization: A vector quantizermaps a continuous N-dimensional vectorx to a di...

Ngày tải lên: 17/10/2013, 11:15

... cascade connection of first- and second-order sub- filters is almost always preferable to a high-order direct-form realization. With the availability of very low-cost floating-point digital signal processors, ... second-order state-space structures for digital filters, IEEE Trans. Circuits Syst., CAS-26, 149–153, Mar. 1979. [9] Barnes, C.W., On the design of optimal state-space realizations o...

Ngày tải lên: 17/10/2013, 11:15

... number of steps. One-at-a-Time-Search Yet a further reduction of candidatevectors can be realizedif the two-dimensional optimization problem is split into two separate one-dimensional optimizations. ... that sequential scan conversion is an up-sampling problem for which SRC-theory provides an adequate solution. However, straight- forward, one-dimensional, up-sampling in the vertical frequency...

Ngày tải lên: 19/10/2013, 18:15

... B.R., Digital Image Restoration, Prentice-Hall, Englewood Cliffs, NJ, 1977. [2] Gonzales, R.C. and Woods, R.E., Digital Image Processing, Addison-Wesley, MA, 1992. [3] Katsaggelos, A.K., Ed., Digital ... Trans. Acoust. Speech Sig. Proc., ASSP-36(7), 114 1-1 151, 1988. [38] Yeh, S.J., Stark H. and Sezan, M.I., Hopfield-type neural networks: their set-theoretic formula- tions as associat...

Ngày tải lên: 19/10/2013, 18:15

... favorable resolution and bandwidth trade-off, we can go to higher order delta-sigma converters. Higher-Order Single-Stage Converters In the first-order delta-sigma converter, the noise-shaping function is H ns (z) ... such variations of process parameters. 5.3 Digital- to-Analog Converter Architecture The digital- to-analog (D/A) converter, also known as a DAC, decodes a digital word into...

Ngày tải lên: 19/10/2013, 18:15

... and Expressions Z n n-dimensional integer space R n n-dimensional real space C n n-dimensional complex space CSFT Continuous space-time Fourier transform DSFT Discrete space-time Fourier transform DFT ... been presented. References [1] Albani, L., Mian, G. and Rizzi, A., A new intra-frame solution for HDTV-to-SDTV down- conversion, in HDTV–1995 International Workshop and the Evolution of Tele...

Ngày tải lên: 19/10/2013, 18:15

... and Morello, A., Direct-to-homedigital multi-programmetelevision by satellite, Proc. Intl. Broadcasting Convention, 35 8-3 65, Sept. 1 6-2 0, 1994. [18] ISO/IEC IS 1381 8-2 /ITU-T Recommendation H.262, ... Adaptive spatial-temporal subsampling of the HD-MAC system. (a) The 80-ms mode for stationary to very-slow moving scenes, (b) the 40-ms mode for medium-speed moving scenes, and (c) th...

Ngày tải lên: 23/10/2013, 16:15

... ISO Attribute H.261 H.263 MPEG-1 MPEG-2 MPEG-4 Applications Video- Video- CD storage Broadcast Wide range conferencing phone (multimedia) Bitrate 64K-1M < 64K 1.0 - 1.5M 2 - 10M 5K - 4M Material Progressive ... Introduction Videosourcesproducedataatveryhighbitrates.Inmanyapplications,theavailablebandwidthis usuallyverylimited.Forexample,thebitrateproducedbya30frame/scolorcommon...

Ngày tải lên: 23/10/2013, 16:15

... Split-RadixAlgorithm AsalreadynotedinSection7.2,thelowestknownnumberofbothmultiplicationsandadditionsfor length-2 n algorithmswasobtainedasearlyas1968andwasagainachievedrecentlybynewalgorithms. Theirpowerwastoshowexplicitlythattheimprovementoverfixed-ormixed-radixalgorithmscan beobtainedbyusingaradix-2andaradix-4simultaneouslyondifferentpartsofthetransform. Thisallowedtheemergenceofnewcompacta...

Ngày tải lên: 23/10/2013, 16:15