basic digital image processing techniques

... titled Fundamental Techniques, we have attempted to compile the core “vocabulary” of digital image processing, starting from the basic concepts and elementary properties of digital images through ... Glassner “Principles of Digital Image Synthesis” Morgan Kaufmann Publishers, San Francisco (1995) [17] R C Gonzalez and R E Woods Addison-Wesley, Reading, MA (1992) ? ?Digital Image Processing? ?? [18] R ... Many include fully worked solutions Wilhelm Burger Mark J Burge • Principles of Digital Image Processing Fundamental Techniques 123 Wilhelm Burger University of Applied Sciences Hagenberg, Austria

Ngày tải lên: 05/06/2014, 11:55

... Patterns and Dithering Techniques Chapter 15, Colour Models and Colour Applications 21/11/15 Duong Anh Duc - Digital Image Processing 46 Digital Image Processing Some Special Techniques Thinning ... Digital Image Processing Some Special Techniques Dithering 21/11/15 Duong Anh Duc - Digital Image Processing Dithering  Dithering, also called Halftoning ... functions fail on dithered images  21/11/15 Duong Anh Duc - Digital Image Processing Dithering 21/11/15 Duong Anh Duc - Digital Image Processing Dithering Grey-scale and colour simulation  Dithering

Ngày tải lên: 30/01/2020, 07:51

... numerous other branches of digital image processing 3.1 Background As noted in the preceding paragraph, spatial domain techniques operate directly on the pixels of an image The spatial domain processes ... Functions imadjust and stretchlim Function imadjust is the basic Image Processing Toolbox function for intensity transformations of gray-scale images It has the general syntax ­ imadjust Recall from ... is a digital mammogram image, f, showing a small lesion, and Fig. 3.3(b) is the negative image, obtained using the command >> g1 = imadjust(f, [0 1], [1 0]); This process, which is the digital

Ngày tải lên: 28/04/2014, 10:26

... H(u, v)F(u, v) Pre- Post- processing processing f(xy) g(x, y) Input Enhanced image image FIGURE 4.5 Basic steps for filtering in the frequency domain of this basic theme The important point ... age of the displayed image cannot be zero because the image has to have Trang 14 160 Chapter 4 ® Image Enhancement in the Frequency Domain FIGURE 4.6 Result of filtering the image in Fig 4.4(a) ... These comments are directly applicable to two-dimensional (and higher) functions Thus, for digital image processing, ex- istence of either the discrete transform or its inverse is not an issue The

Ngày tải lên: 08/05/2014, 15:46

... analyzing the component images individually a Basics of Full-Color Image Processing In this section be begin the study of processing techniques applicable to full- color images Although they are ... exhaustive, the techniques de- veloped in the sections that follow are illustrative of how full-color images are handled for a variety of image processing tasks Full-color image processing ap- ... Trang 22 6.3 # Pseudocolor Image Processing ab ed FIGURE 6.17 (a)—(c) Modified HSI component images (d) Resulting RGB image (See Fig 6.16 for the original HSI images.) at the beginning of

Ngày tải lên: 08/05/2014, 15:59

... Digital Image Processing, 2nd ed www.imageprocessingbook.com Chapter Wavelets and Multiresolution Processing © 2002 R C Gonzalez & R E Woods Digital Image Processing, 2nd ed www.imageprocessingbook.com ... Woods Digital Image Processing, 2nd ed www.imageprocessingbook.com Chapter Wavelets and Multiresolution Processing © 2002 R C Gonzalez & R E Woods Digital Image Processing, 2nd ed www.imageprocessingbook.com ... Digital Image Processing, 2nd ed www.imageprocessingbook.com Chapter Wavelets and Multiresolution Processing © 2002 R C Gonzalez & R E Woods Digital Image Processing, 2nd ed www.imageprocessingbook.com

Ngày tải lên: 08/05/2014, 15:59

... of the image At some later time, the compressed image is decompressed to reconstruct the original image or an approximation of it Trang 2 410 Chapter 8 mi Image Compression Interest in image ... individually three general techniques for reducing or compressing the amount of data required to represent an image However, these techniques typically are combined to form practical image compression ... redundancy of 0.9 implies that 90% of the data in the first data set is redundant In digital image compression, three basic data redundancies can be identified and exploited: coding redundancy, interpixel

Ngày tải lên: 08/05/2014, 16:10

... a transition from image processing methods whose input and output are images, to methods in which the inputs are images, but the outputs are attributes extracted from those images (in the sense ... Discontinuities In this section we present several techniques for detecting the three basic types of gray-level discontinuities in a digital image: points, lines, and edges The most common way ... each of these images is a gray-level profile of a horizontal scan line pass- ing through the image The images in the second column of Fig 10.7 are the first-order derivatives of the images on the

Ngày tải lên: 08/05/2014, 16:29

... 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 image processing ... correlation We introduced the basic concept of image correlation in Section 4.6.4 Here, we consider it as the basis for finding matches of a subimage w(x, y) of size J X K within an image f(x, y) of size ... respectively A region on the ground scanned in this manner produces four digital images, one image for each band If the images are registered, a condition which is generally true in practice,

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 ... Semester Senior Course A basic strategy in teaching a senior course is to focus on aspects of image processing in which both the inputs and outputs of those processes are images In the scope of ... morphological image processing (Chapter 9) The material in this chapter begins a transition from methods whose inputs and outputs are images to methods in which the inputs are images, but the

Ngày tải lên: 05/06/2014, 11:40

... Topological Algorithms for Digital Image Processing T.Y Kong and A Rosenfeld (Editors)... T H M T h e images handled by our algorithms so far are two-dimensional images Both the definition ... Tanimoto, "Time Complexity for Serial and Parallel Propagation in Images", in Architecture and Algorithms for Digital Image Processing, A Oosterlinck and P.-E Danielsson, (eds.) Proceedings ... "shrinking" of binary images to similarly connected representations t h a t have smaller foregrounds (i.e., fewer Ts) has found application as a fundamental preprocessing step in image processing Two

Ngày tải lên: 05/06/2014, 11:59

... for the digital manipulation of digital images. The development of advanced, fast and reliable algorithms for digital image pre- and post- processing, digital image compression, digital image ... of ? ?digital image processing? ??. The purpose of this book is to provide an insight on the possibilities offered by digital image processing algorithms in various fields. Digital image processing ... provide more analysis concerning such 22 Digital Image Processing characteristics as processing. .. measuring methods 4.1 Image processing speed The processing, or the derivation of depth

Ngày tải lên: 28/06/2014, 08:20

... for the digital manipulation of digital images. The development of advanced, fast and reliable algorithms for digital image pre- and post- processing, digital image compression, digital image ... of ? ?digital image processing? ??. The purpose of this book is to provide an insight on the possibilities offered by digital image processing algorithms in various fields. Digital image processing ... DIGITAL IMAGE PROCESSING Edited by Stefan G. Stanciu Digital Image Processing Edited by Stefan G. Stanciu Published

Ngày tải lên: 29/06/2014, 08:20

... 1.2. WHAT IS IMAGE PROCESSING? 3 (a) The original image (b) After removing noise Figure 1.2: Removing noise from an image (a) The original image (b) After removing the blur Figure 1.3: Image deblurring ... vital for the development and implementation of image processing techniques Figure 1.14: The image of figure 1.13 plotted... Usually A digital image differs from a photo in that the , , and ... recognizable, it will not be just a random blur. 1.2 What is image processing? Image processing involves changing the nature of an image in order to either 1. improve its pictorial information

Ngày tải lên: 23/07/2014, 00:24

... Continuous Images, 655 Matched Filtering of Discrete Images, 6 62 Image Registration, 664 PART 6 20 xi IMAGE PROCESSING SOFTWARE PIKS Image Processing Software 679 681 20 .1 PIKS Functional ... Overview, 704 21 PIKS Image Processing Programming Exercises 21 .1... Processing Exercises, 725 Image Enhancement Exercises, 726 Image Restoration Models Exercises, 728 Image Restoration ... new edition of 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

Ngày tải lên: 14/08/2014, 01:22

... convolutional processing more efficiently. 147 6 Digital Image Processing: PIKS Scientific Inside, Fourth Edition, by William K. Pratt Copyright © 2007 by John Wiley & Sons, Inc. DISCRETE IMAGE ... series,... General N4 Column processing N3 Row processing N3 Row and column processing Separable row and column processing matrix form 2N3– N2 2N3 153 IMAGE STATISTICAL CHARACTERIZATION ... LINEAR OPERATOR A large class of image processing operations are linear in nature; an output image field is formed from linear combinations of pixels of an input image field. Such operations include

Ngày tải lên: 14/08/2014, 02:20

... for Image Processing, ” Report USCIPI 950 , University Southern California, Image Processing Institute, January 1980 PART 4 IMAGE IMPROVEMENT The use of digital processing techniques ... Signal Processing Techniques, ”... and industrial radiographic analysis Image improvement is a term coined to denote three types of image manipulation processes: image enhancement, image ... a variety of techniques that have proved useful for human observation improvement and image analysis Digital Image Processing: ... and present methods of point and spatial image restoration

Ngày tải lên: 14/08/2014, 02:20

... 1972, 842–853 H C Andrews, ? ?Digital Image Restoration: A Survey,” IEEE Computer, 7, 5, May 1974, 36–45 382 IMAGE RESTORATION TECHNIQUES B R Hunt, ? ?Digital Image Processing, ” Proc IEEE, 63, 4, ... on Computer Processing of ERTS Images,” Report USCIPI 640, University of Southern California, Image Processing Institute, Los Angeles, September 1975 11 IMAGE RESTORATION MODELS Image restoration ... of image restoration techniques 11.1 GENERAL IMAGE RESTORATION MODELS In order effectively to design a digital image restoration system, it is necessary quantitatively to characterize the image

Ngày tải lên: 14/08/2014, 02:20

... and H. J. Trussell, “Colorimetric Restoration of Digital Images,” IEEE Trans. Image Processing, 10, 3, March 2001, 393–402. 387 13 Digital Image Processing: PIKS Scientific Inside, Fourth Edition, ... image manipulation: image mosaicing and image blending Image mosaicing involves the spatial combination of a set of partially overlapped images to create a larger image of a scene Image ... Images, IEEE Trans Image Processing, IP-4, 10, October 1995, 1 371 –1381 7 D Fraser and R A Schowengerdt, “Avoidance of Additional Aliasing in Multipass Image Rotations,” IEEE Trans Image

Ngày tải lên: 14/08/2014, 02:20

... discrete image, but the discrete image. .. 15.2-1 were conducted with relatively low signal-to-noise ratio images Section 15.5 provides examples of such images For high signal-to-noise ratio images, ... luminance image: differential detection and model fitting. With the differential detec- tion approach, as illustrated in Figure 15.1-6, spatial processing is performed on an original image to ... DETECTION of optical images of real scenes, generally do not possess step edges because the anti- aliasing low-pass filtering prior to digitization reduces the edge slope in the digital image caused

Ngày tải lên: 14/08/2014, 02:20