seminar topics on digital image processing ppt

... inant component at the origin, and concentric, circular components about the center component The center component is primarily responsible for blurring The concentric components are responsible ... image is A By letting either f or h in Eq (4.2-30) be an impulse function, and using the definition in Eq (4.2-33), we would conclude after a little manipulation that convolution of a function ... that function h is mirrored about the origin This is in- herent in the definition of convolution Equation (4.2-30) is really nothing more than an implementation for (1) flipping one function about

Ngày tải lên: 08/05/2014, 15:46

... Division.) the color-sensitive cones in the eye as a full-color image Thirty successive image changes per second in all three colors complete the illusion of a contin- uous image display on the ... of any region in the RGB image, we change the values of the corresponding region in the hue image of Fig 6.16(b) Then we convert the new H image, along with the unchanged S and / images, back ... Blankenship, Instrumentation and Controls Division, Oak Ridge National Laboratory.) 305 Trang 25306 Chapter 6 # Color Image Processing (the horizontal dark region) containing several cracks and

Ngày tải lên: 08/05/2014, 15:59

... than perfect reproduc- tion of the original image Lossy image compression is useful in applications such as broadcast television, videoconferencing, and facsimile transmission, in which a certain ... information, it is commonly referred to as quantization This terminology is consistent with normal usage of the word, which generally 417 Trang 11418 Chapter 8 i Image Compression © Consider the images ... assumption that the information user observes a particular output b, Equation (8.3-4) defines a distribution of source symbols for any observed b;,, so each b, has one conditional entropy function

Ngày tải lên: 08/05/2014, 16:10

... segmentation based on the techniques presented in the first part of the chap- ter We conclude the chapter with a discussion on the use of motion cues for image segmentation 10.1 Detection of Discontinuities ... Section 1.1) Segmentation is another major step in that direction Segmentation subdivides an image into its constituent regions or objects The level to which the subdivision is carried depends on ... that they have their strongest responses along the diagonal directions The two additional Prewitt and Sobel masks for detecting discontinuities in the diagonal directions are shown in Fig 10.9

Ngày tải lên: 08/05/2014, 16:29

... We conclude our coverage of digital image processing with an introduction to techniques for object recognition As noted in Section 1.1, we have defined the scope covered by our treatment of digital ... microns These ranges are in the violet, green, red, and infrared bands, respectively A region on the ground scanned in this manner produces four digital images, one image for each band If the images ... 3712.2 ® Recognition Based on Decision-Theoretic Methods 731 Network Type of Solution to Classes with Most general structure decision region exclusive-OR meshed regions decision surface needs

Ngày tải lên: 08/05/2014, 16:48

... Digital Image Processing Second Edition Instructorzs Manual Rafael C Gonzalez Richard E Woods Prentice Hall Upper Saddle River, NJ 07458 www.prenhall.com/gonzalezwoods or www.imageprocessingbook.com ... Revision history 10 c Copyright °1992-2002 by Rafael C Gonzalez and Richard E Woods Preface This manual contains detailed solutions to all problems in Digital Image Processing, 2nd Edition We ... are essential system speci®cations, we conceptualize a binary approach in which image acquisition, preprocessing, and segmentation are combined into one basic operation This approach leads us to

Ngày tải lên: 05/06/2014, 11:40

... introduction to digital image processing, designed to be used both by learners desiring a firm foundation on which to build and practitioners in search of critical analysis and modern implementations ... E H Adelson The Laplacian pyramid as a compact image code IEEE Transactions on Communications 31(4), 532–540 (1983) [8] J F Canny A computational approach to edge detection IEEE Trans on Pattern ... Cliffs, NJ, fourth ed (2006) Earlier versions available online [12] N Efford “Digital Image Processing—A Practical Introduction Using Java” Pearson Education, Upper Saddle River, NJ (2000) [13]

Ngày tải lên: 05/06/2014, 11:55

... this chapter we only consider images based on a rectangular tessellation However, much of this work is readily extended to images based on a hexagonal tessellation [22].) An image, / , assigns ... three-dimensional connected component labeling 1 I N T R O D U C T I O N Decomposition of an image into regions is a widely used technique in machine vision In m a n y cases, t h e original gray tone image ... t h e definition of a 3D con-nected component is identical to t h e definition of a 2D connected component T h a t is, two black voxels p and q belong to t h e same connected component C if there

Ngày tải lên: 05/06/2014, 11:59

... http://www.scitopics.com/Real_time_accurate_optical_wave_front_reconstruction_ based_on_digital_ optical_phase_conjugation.html Trang 35ISAR Signal Formation and Image Reconstruction as Complex Spatial Transforms Conventional ISAR systems ... considered as not informative and only rotational motion is used for signal processing and image reconstruction In this case the feature extraction is decomposed into motion compensation and image ... Based on Digital Optical Phase Conjugation 1 Zhiyang Li Chapter 2 ISAR Signal Formation and Image Reconstruction as Complex Spatial Transforms 27 Andon Lazarov Chapter 3 Low Bit Rate SAR Image

Ngày tải lên: 28/06/2014, 08:20

... http://www.scitopics.com/Real_time_accurate_optical_wave_front_reconstruction_ based_on_digital_ optical_phase_conjugation.html Trang 35ISAR Signal Formation and Image Reconstruction as Complex Spatial Transforms Conventional ISAR systems ... considered as not informative and only rotational motion is used for signal processing and image reconstruction In this case the feature extraction is decomposed into motion compensation and image ... Based on Digital Optical Phase Conjugation 1 Zhiyang Li Chapter 2 ISAR Signal Formation and Image Reconstruction as Complex Spatial Transforms 27 Andon Lazarov Chapter 3 Low Bit Rate SAR Image

Ngày tải lên: 29/06/2014, 08:20

... it more suitable for autonomous machine perception. We shall be concerned with digital image processing, which involves using a computer to change the nature of a digital image (see below). It ... of image processing. A procedure which satisfies condition (1)—a procedure which makes an image “look better”—may be the very worst procedure for satis- fying condition (2). Humans like their images ... function—undersampling Figure 1.7: Sampling a function with more points 6 CHAPTER 1. INTRODUCTION Sampling an image again requires that we consider the Nyquist criterion, when we consider an image

Ngày tải lên: 23/07/2014, 00:24

... with digital, as opposed to analog, image processing techniques It should be remembered that most digital images represent continuous natural images Exceptions are artificial digital images ... Digital Image Processing is offered to the image processing community Why? One reason is because advances in the theoretical aspects of image processing technology continue at a ... Geometrical Image Modification Exercises, 729 Morphological Image Processing Exercises, 730 Edge Detection Exercises, 7 32 Image Feature Extraction Exercises, 733 Image Segmentation Exercises,

Ngày tải lên: 14/08/2014, 01:22

... 314 Digital Image Processing: PIKS Scientific Inside, Fourth Edition, by William K Pratt Copyright © 2007 by John Wiley & Sons, Inc. IMAGE SAMPLING AND RECONSTRUCTION In digital image processing ... function is then inverted to obtain thedesired image field Inversion operations of this nature are discussed in the sections on image restoration In this chapter, the image sampling and reconstruction ... and Image Processing, Image Processingand Interchange, Part 1: Common Architecture for Imaging,” ISO/IEC 12087-1:1995(E) 22 “Information Technology, Computer Graphics and Image Processing, Image

Ngày tải lên: 14/08/2014, 01:22

... with only operations Trang 33174 SUPERPOSITION AND CONVOLUTION7.2 SAMPLED IMAGE SUPERPOSITION AND CONVOLUTION Many applications in image processing require a discretization of the superpositionintegral ... SUPERPOSITION AND CONVOLUTION 181The two-dimensional convolution operation then reduces to sequential row and umn convolutions of the matrix form of the image array Thus col-(7.2-24) The superposition ... Fourth Edition, by William K Pratt Copyright © 2007 by John Wiley & Sons, Inc. SUPERPOSITION AND CONVOLUTION In Chapter 1, superposition and convolution operations were derived for continuoustwo-dimensional

Ngày tải lên: 14/08/2014, 02:20

... SMALL GENERATING KERNEL CONVOLUTION It is possible to perform convolution on an N × N image array F( j, k) with... Proc IEEE Conference on Pattern Recognition and Image Processing, Chicago, ... Conference on Circuits and Systems, Pacific Grove, CA, November 1970 9 B R Hunt, “Computational Considerations in Digital Image Enhancement,” Proc Conference on Two-Dimensional Signal Processing, ... image analysis Digital Image Processing: ... and present methods of point and spatial image restoration The final chapter of this part considers geometrical image modification 10 IMAGE

Ngày tải lên: 14/08/2014, 02:20

... Trang 411 Digital Image Processing: PIKS Scientific Inside, Fourth Edition, by William K Pratt Copyright © 2007 by John Wiley & Sons, Inc. IMAGE RESTORATION MODELS Image restoration may be ... response, the convolution integral of Eq 12.2-1 is said to be unstable or ill conditioned This potential instability is dependent on the structure of the degradation impulseresponse function There ... estimate This operation is governed by therelation pro-(11.1-4) where models the display transformation The function of the digital image restoration system is to compensate for dations of the physical

Ngày tải lên: 14/08/2014, 02:20

... Sons, Inc. GEOMETRICAL IMAGE MODIFICATION One of the most common image processing operations is geometrical modification in which an image is spatially translated, scaled in size, rotated, nonlinearly ... coordinate conversion Figure 13.1-6 illustrates thegeometry of the Cartesian-to-polar conversion process Upon completion of the version, the destination image will contain linearly scaled versions of ... M Vrhel, “Color Image Resolution Conversion,” IEEE Trans Image Processing, 14, 3, March 2005, 328–333 Trang 35PART 5IMAGE ANALYSIS Image analysis is concerned with the extraction of measurements,

Ngày tải lên: 14/08/2014, 02:20

... window average on the vertical step edge model. The figure also contains two versions of a diagonal ramp edge. The single- pixel transition model contains a single midvalue transition pixel between ... DETECTION 471 Sections 15.2 and 15.3 discuss the first- and second-order derivative forms of edge detection, respectively. Edge fitting methods of edge detection are considered in Section 15.4. ... DETECTION There are two fundamental methods for generating first-order derivative edge gradi- ents. One method involves generation of gradients in two orthogonal directions in an image; the second

Ngày tải lên: 14/08/2014, 02:20

... Fourth Edition, by William K Pratt Copyright © 2007 by John Wiley & Sons, Inc. IMAGE SEGMENTATION Segmentation of an image entails the division or separation of the image into regions of similar ... segmentation is image luminanceamplitude for a monochrome image and color components for a color image Imageedges and texture are also useful attributes for segmentation The definition of segmentation ... left-to-right fash-ion The conditional probability density of conditioned on the state of itsneighbors is given by (16.5-1) The first-order density employs no conditioning, the second-order density

Ngày tải lên: 14/08/2014, 02:20

... 0-201-18075-8 Pearson Education Ltd., London Pearson Education Australia Pty., Limited, Sydney Pearson Education Singapore, Pte. Ltd. Pearson Education North Asia Ltd., Hong Kong Pearson Education Canada, ... the Authors xix 1 Introduction 15 1.1 What Is Digital Image Processing? 15 1.2 The Origins of Digital Image Processing 17 1.3 Examples of Fields that Use Digital Image Processing 21 1.3.1 Gamma-Ray ... Canada, Ltd., Toronto Pearson Education de Mexico, S.A. de C.V. Pearson Education—Japan, Tokyo Pearson Education Malaysia, Pte. Ltd. Pearson Education, Upper Saddle River, New Jersey GONZFM-i-xxii....

Ngày tải lên: 02/11/2012, 17:24