digital signal and image processing ppt

... Trang 1CS 450: Introduction to Digital  Signal and Image Processing Image Arithmetic Trang 2Image-Image Operations: C[x, y] f (A[x, y], B[x, y]) Trang 3Used to ... 9Addition of two images, each with (0 1) fractional masking weights Useful for transparency, compositing, etc Color images are often stored as RGB or RGBA Trang 10Average multiple images (frames) ... create double-exposures C[x, y] A[x, y] B[x, y] Trang 4Useful for finding changes between two images of (basically) the same scene More useful to use absolute difference C[x, y] A[x, y] B[x,

Ngày tải lên: 30/01/2020, 07:09

... Introduction to Digital Signal and Image Processing Introduction and Applications Trang 2What are Signals?G Signal: a function carrying information G Examples: » Audio » Radio/Television » Images Trang ... G Color processing G Compression Trang 8Relationship to Other Fields:IP, Graphics, and Vision Image Processing Images to Images Computer Graphics Descriptions to Images Computer Vision Images ... three are interrelated! Trang 9Examples: Image Processing,Graphics, and Vision G Volume rendering for medical applications: » Clean up the image (image processing) » Separate the regions of interest

Ngày tải lên: 30/01/2020, 09:51

... range ofsignals including image, video, speech, non-speech audio, handwritten text, geo-metric diagram, ECG and EMG signals, MRI, PET, and CT scan images, THzsignals, solar wind speed signals ... to everyone who is passionate to image and signal processing research Trang 7In this era of technology, almost every modern tools and gadgets resort to signalprocessing in one way or the other ... in developingtime-efficient, robust, and fail-safe signal processing algorithms for the benefit ofmankind.2017 First International Symposium on Signal and Image Processing (ISSIP2017) organized at

Ngày tải lên: 04/03/2019, 11:46

... server-side resourcesand other technical conditions such as network bandwidth, processing power andnetwork latencies Network Bandwidth- The bandwidth is the amount of data that can be mitted over a network ... ceedings of the ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV 2006), Newport, Rhode Island (USA), ACM Press, May Pro-2006, 136-141. 18 Ferretti, ... IEEE Signal Processing Society, Vol 8, No 4, August 2006, 874-879. Trang 7Mul-Chapter 8Zoning Issues and Area of Interest Management in Massively Multiplayer Online Games Dewan Tanvir Ahmed and

Ngày tải lên: 02/07/2014, 02:20

... represent personality and express it through visual andaudio output (through the agents depicted in the simulations), the link between per-sonality and nonverbal behavior are hand coded and thus less ... (directing and indirecting) (enclosing and spreading) (increasing and decreasing pressure) (descending and rising) (accelerating and decelerating) (retreating and advancing) Trang 12Fig 4 Illustrations ... such as grooming andeating, alter-adaptors such as attacking and flirting, and object-adaptors whichare tool-based learned behaviors child-These categories allow the identification and classification

Ngày tải lên: 02/07/2014, 02:20

... After’ – and my proposal involved artists of distinction from both sides of the Berlin Wall andthe DMZ to discus and showcase how political issues affect art and artists lives.Understandable that ... stimulation for both audience and per-formers This built upon my earlier work in Auckland, New Zealand, and Aarhus,Denmark where the different situations, one with orchestra and one with choir, bothhad ... beyondBerlin and DMZ issues as it reflected on human barriers across ages and cultures –and especially committees The next section introduces the ArtAbilitation2workshops from 2007 and 2008.The

Ngày tải lên: 02/07/2014, 02:20

... improving the visual appearance of images to a human view, and b. preparing images for measurement of the features and structures present. Image Processing:= Image → Image Transformation ➊ What’s ... professionals will all appreciate Computer Vision and Image Processing's solid introduction Anyone who uses computer imaging. What’s the Image Processing? Image Processing (IP) is used for two somewhat ... presentation Objectives, Brief Discussion Prerequisite Introduction and and Content to Lectures Conclusion This presentation summarizes the content and organization of lectures in module Image Processing and Computer Vision. Objectives The

Ngày tải lên: 23/10/2015, 19:42

... impression that digital signal is poor in accuracy, although many digital signals come from taking samples out of analogue signals he digital signal and system stand as their own and no need to ... Sussex Brighton, England January 2012 Trang 8Download free eBooks at bookboon.comIntroduction to Digital Signal and System Analysis 8 Digital Signals and Sampling 1 Digital Signals and Sampling 1.1 ... more Introduction to Digital Signal and System Analysis 4 Contents Contents 1 Digital Signals and Sampling 8 1.2 Signal representation and processing 8 1.3 Analogue-to-digital conversion 11 1.4

Ngày tải lên: 28/11/2017, 10:27

... Biological Signalling and Image Processing FRACTALS Design, Fabrication, Properties and Applications of Smart and Advanced Materials Applications in Biological Signalling and Image Processing ... analysis of biomedical signals and images We have attended many conferences and meetings where the relationship between the fractal dimension (FD) of biomedical signals and images with disease conditions, ... book will help the reader understand the concepts and develop new applications Once the fundamentals are vi FRACTALS: Applications in Biological Signalling and Image Processing understood, the human

Ngày tải lên: 15/05/2019, 16:53

... impression that digital signal is poor in accuracy, although many digital signals come from taking samples out of analogue signals The digital signal and system stand as their own and no need to ... analogue signal x(t) and digital signal x[n] The upper is the analogue signal and the lower is the digital signal sampled at t = nT 1.4 Sampling theorem For ease of storage or digital processing, ... functions Examples of digital signals which are in common use include digital sound and imaging, digital television, digital communications, audio and video devices To process a signal is to make

Ngày tải lên: 16/01/2021, 06:16

... Integral and Differential Equations On the other hand, Image Processing has the purpose to introduce image processing techniques and technology with its topics covering digital image fundamental, image ... operations in mathematics and Image operations in image processing In our case, the overall comparison and identification of related topics and sub-topics in ETM1, ETM2 and image processing is shown ... have been largely used in image processing In image processing for example, an image has different type of categories: color, grey scale, and black and white images Image in the latter category

Ngày tải lên: 02/11/2022, 14:39

... 80 Hz; band 2 is band-pass and covers 80 Hz to 3 kHz; band 3 is high-pass and covers above 3 kHz; and band 4 is also high-pass and covers above 9 kHz At the encoder the gain of each band is adaptively ... 1.9 1.3.5 Digital Coding of Audio Signals In digital audio, the memory required to record a signal, the bandwidth required for signal transmission and the signal–to–quantisation–noise ratio ... attenuated Beam-forming is used in radar and sonar signal processing (Figure 1.13) to steer the reception of signals towards a desired direction, and in speech processing for reducing the effects

Ngày tải lên: 25/01/2014, 13:20

... purposes and for mathematically describing certain phenomena Randomsignals are information-bearing signals such as speech Some deterministic signals will beintroduced in this section, while random signals ... brieflyintroduce the concept of probability, followed by random variables and random signalprocessing 3.3.1 Review of Probability and Random Variables An experiment that has at least two possible ... throughout the book willbe defined in this chapter 3.1 Digital Signals and Systems In this section, we will define some widely used digital signals and simple DSP systems.The purpose of this section

Ngày tải lên: 19/10/2013, 23:15

... non-causal and hence not physically realizable Instead wemust compromise and accept a more gradual cutoff between passband and stopband, aswell as specify a transition band between the passband and ... Figure 5.1(a) Theregions 0  !  !cand ! > !c are referred to as the passband and stopband, respec-tively The frequency that separates the passband and stopband is called the cut-offfrequency ... passband, themagnitude response has a peak deviation dp and in the stopband, it has a maximumdeviation ds The frequencies !p and !s are the passband edge (cut-off) frequency andthe stopband edge

Ngày tải lên: 23/10/2013, 22:15

... 1998 [8] D Grover and J R Deller, Digital Signal Processing and the Microcontroller, Englewood Cliffs, NJ: Prentice-Hall, 1999 [9] F Taylor and J Mellott, Hands-On Digital Signal Processing, New ... Ingle and J G Proakis, Digital Signal Processing Using MATLAB V.4, Boston: PWS Publishing, 1997 [3] Signal Processing Toolbox for Use with MATLAB, The Math Works Inc., 1994 [4] A V Oppenheim and ... Proakis and D G Manolakis, Digital Signal Processing ± Principles, Algorithms, and Applications, 3rd Ed., Englewood Cliffs, NJ: Prentice-Hall, 1996 [7] S K Mitra, Digital Signal Processing: A Computer-Based

Ngày tải lên: 28/10/2013, 05:15

... Proakis and D G Manolakis, Digital Signal Processing ± Principles, Algorithms, and Applications, 3rd Ed., Englewood Cliffs, NJ: Prentice-Hall, 1996 [11] A Bateman and W Yates, Digital Signal Processing ... 347 EXERCISES [2] N Ahmed and T Natarajan, Discrete-Time Signals and Systems, Englewood Cliffs, NJ: PrenticeHall, 1983 [3] V K Ingle and J G Proakis, Digital Signal Processing Using MATLAB V.4, ... Jackson, Digital Filters and Signal Processing, 2nd Ed., Boston: Kluwer Academic, 1989 [5] MATLAB User's Guide, Math Works, 1992 [6] MATLAB Reference Guide, Math Works, 1992 [7] Signal Processing

Ngày tải lên: 28/10/2013, 05:15

... combinations,” Digital Signal Processing, vol 6, no 1, pp 5–16, Jan 1996 6 K J Pope and R E Bogner, “Blind signal separation II: Linear, convolutive combinations,” Digital Signal Processing, ... algorithms for first and third order TITO FIR demixing systems over 10 trials. Figure 2-3. (a) and (b) are the two original signals, (c) and (d) are the convolutively mixed signals, (e) and (f) are the ... of subband is M = 17, so m = 1 17 The parameter n is the discrete time sample index and is where the length of each filter for each subband is the equivalent... and father, Diana and Barry

Ngày tải lên: 19/01/2014, 18:20

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Ngày tải lên: 08/04/2014, 10:06

... Applications of Blind and Semi-Blind Signal Processing 23 1.2.1 Biomedical Signal Processing 24 1.2.2 Blind Separation of Electrocardiographic Signals of Fetus and Mother 25 1.2.3 Enhancement and Decomposition ... 298 7.10 (a) Eight ECG signals are separated into: Four maternal signals, two fetal signals and two noise signals. (b) Detailed plots of extracted fetal ECG signals. The mixed signals were obtained ... sensor signals and (c) reconstructed source signals. 297 7.9 Blind separation of speech signals using the algorithm (7.80): (a) Primary source signals, (b) sensor signals, (c) recovered source signals....

Ngày tải lên: 10/12/2013, 14:15

... differential equations, Signal Processing, 38, 57–77, July 1994. [38] Maragos, P., Differential morphology and image processing, IEEE Trans. Image Processing, 5, 922–937, June 1996. [39] Maragos, P. and Schafer, ... nowadays offers many theoretical and algorithmic tools to and inspires new directions in many research areas from the fields of signal processing, image processing and machine vision, and pattern recognition. Asthename‘morphology’ ... make morphological signalprocessingarigorous andefficientframework tostudyandsolve manyproblems in image analysis and nonlinear filtering. 74.2 Morphological Operators for Sets and Signals 74.2.1 Boolean...

Ngày tải lên: 16/12/2013, 04:15