Digital Signal Processing Handbook P5

Digital Signal Processing Handbook P52

... 52.1.1 Signal Chain We assume a model where the input signal is properly bandlimited and digitized by an appropriate analog-to -digital converter. All subsequent processing in the encoder will be digital. ... Ramstad, T.A. “Still Image Compression” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. Williams Boca Raton: CRC Press LLC, ... The decoder is also digital up to the digital- to-analog converter, which is followed by a lowpass reconstruction ﬁlter. Under idealized conditions, the interconnection of the signal chain excluding...

Digital Signal Processing Handbook P54

... de Haan, G. “Video Scanning Format Conversion and Motion Estimation” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. WilliamsBoca Raton: CRC Press LLC, ... de-interlacing of the signal. The implication of GST is that it is possible to perfectly reconstruct a signal sampled at 1/n timesthe Nyquist rate if n independent sets of samples describe the signal. The ... N.A.M.,Discrete-Time Signal Processing, Prentice-Hall, Englewood Cliffs, NJ.[3] Zworykin, V.K. and Morton, G.A.,Television,2nd ed., John Wiley & Sons, New York, 1954.c1999 by CRC Press LLC signal. ...

Digital Signal Processing Handbook P53

... 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 ... space-invariant imagerestoration,Multidim. Syst. and Signal Proc.,1(1), 143–177, 1990.[15] Rosenfeld, A. and Kak, A.C., Digital Picture Processing, Academic, New York, 1982.[16] Gennery, D.B., ... coverage of video ﬁlteringmethods can be found in the book Digital Video Processing by Tekalp [8]. This chapter summarizeskey results in digital image and video restoration.53.2 ModelingEvery...

Digital Signal Processing Handbook P5

... analog-to -digital converter (A/D) circuit wherethe sampled analog signal is converted to a digitally coded signal. The digital signal is then applied toc1999 by CRC Press LLCthe digital signal processing( DSP) ... basic elements of a digital signal processing system. The analog signal is ﬁrst converted to a discrete time signal by a sample and hold circuit. TheFIGURE 5.1: Digital signal processing system.output ... componentsat the front end and employ more digital signal processing in the later stages. High resolutionconversions are achieved by trading off speed and digital signal processing complexity, both of whichcan...

Digital Signal Processing Handbook P56

... theNTSC signal. The differences between the input HDTV signal and the ACTV-I signal are digitallycoded using 4-band subband coding. The digitally coded video difference signal and digital audio signal ... Tzou, K. Digital Television” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. WilliamsBoca Raton: CRC Press ... HDTV signal. Intuitively, a more bandwidth efﬁcient approach may be achieved if the transmitted conventionalTV signal can be incorporated as a baseline signal and only the enhancement signal...

Digital Signal Processing Handbook P55

... IRE,1098–1101, Sept. 1952.[10] Jain, A.K.,Fundamentals of Digital Image Processing, Prentice-Hall, Englewood Cliffs, NJ,1989.[11] Jayant, N. and Noll, P., Digital Coding of Waveforms,Prentice-Hall, Englewood ... pursuits with time-frequency dictionaries,IEEE Trans.Sig-nal Processing, 41(12), 3397–3415, Dec. 1993.[15] Malvar, H.S., Signal Processing with Lapped Transforms,Artech House, 1992.[16] Martucci, ... (expansion) coefﬁcient. A residual signal is computed as:R[i]=f[i]−twγ[i].(55.7)This residual signal is then expanded in the same way as the original signal. The procedure continuesiteratively...

Digital Signal Processing Handbook P58

... Reeves, S.J. “A Survey of Image Processing Software and Image Databases” Digital Signal Processing Handbook Ed. Vijay K. Madisetti and Douglas B. WilliamsBoca Raton: ... interest in image processing. Likewise, the growth of image processing as an engineering discipline has fueled interestinthese otherareas. As a result of this symbiotic growth, image processing has ... her specialty.58.1 Image Processing SoftwareImageprocessinghas become such a broad areathat it is sometimes difﬁcult to distinguish what mightbe considered an image processing package from other...

Digital Signal Processing Handbook P57

... disparity and synthesizingintermediate pictures, Signal Processing: Image Communications,4(1), 55-64, 1991.[11] Tekalp, A.M., Digital Video Processing, Prentice-Hall, Upper Saddle River, NJ, ... Pastoor, S., 3-D television: A survey of recent research results on subjective requirements, Signal Processing: Image Communications,4(1), 21-32, 1991.[9] Perkins, M.G., Data compression of ... and Woods, J.W., Handbook of Visual Communications,Academic Press, SanDiego, CA, 1995.[4] Horn, B.K.P.,Robot Vision,MIT Press, Cambridge, 1986.[5] Jayant, N.S. and Noll, P., Digital Coding...

Digital Signal Processing Handbook P59

... The VSP3 performs the processing of the CCITT-H.261 tasks (neglecting Huffman coding) for one macroblock in 45 µs. Since realtime processing of30Hz-CIF signals requires a processing time of less ... on Acoustics Speech and Signal Processing, V3.3, 1990.[10] Lee, B.G., A new algorithm to compute the discrete cosine transform,IEEE Trans. Acoustics,Speech and Signal Processing, 32(6), 1243–1245, ... encode CIF-30Hzvideo signals accordingto the MPEG-1standard.59.6.3 Coprocessor ConceptMost programmable architectures for video processing applications achieve an increase of processing power...

Tài liệu Digital Signal Processing Handbook P51 pptx

... degraded in quality.Circularly Symmetric SignalsAn arbitrary 2D signal a(x, y) can always be written in a polar coordinate system as a(r, θ).When the 2D signalexhibits a circular symmetry this ... is unique. Signal- to-Noise RatioThe signal- to-noise ratio, SNR, can have several deﬁnitions. The noise is characterized by itsstandard deviation, sn. The characterization of the signal can ... differ. If the signal is known to liebetween two boundaries, amin≤ a ≤ amax, then the SNR is deﬁned as:Bounded signal -SNR = 20log10amax− aminsndB(51.40)Ifthesignal isnotboundedbuthas...

Xem thêm