digital image processing techniques ppt

Ngày tải lên: 05/06/2014, 11:55

Ngày tải lên: 29/06/2014, 08:20

... 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 Imaging ... Used 34 1.4 Fundamental Steps in Digital Image Processing 39 1.5 Components of an Image Processing System 42 Summary 44 References and Further Reading 45 2 Digital Image Fundamentals 34 2.1 Elements ... Cataloging-in-Pubblication Data Gonzalez, Rafael C. Digital Image Processing / Richard E. Woods p. cm. Includes bibliographical references ISBN 0-201-18075-8 1. Digital Imaging. 2. Digital Techniques. I. Title. TA1632.G66...

Ngày tải lên: 02/11/2012, 17:24

... image processing is intimately tied to the development of the digital computer. In fact, digital images require so much storage and computational power that progress in the field of digital image ... overlap be- tween image processing and image analysis is the area of recognition of indi- vidual regions or objects in an image. Thus, what we call in this book digital image processing encompasses ... involve digital images, they are not con- sidered digital image processing results in the context of our definition because computers were not involved in their creation.Thus, the history of digital...

Ngày tải lên: 02/11/2012, 17:24

Ngày tải lên: 02/11/2012, 17:25

Ngày tải lên: 02/11/2012, 17:25

... view System.Drawing.Bitmap img = cimage.ToBitmap( ); Introduction Image Processing Lab is a simple tool for image processing, which includes different filters and tools to analyze images available in the ... library: Collapse // create complex image from bitmap AForge.Imaging.ComplexImage cimage = AForge.Imaging.ComplexImage.FromBitmap( bitmap ); // perform forward Fourier transformation cimage.ForwardFourierTransform( ... filter System.Drawing.Bitmap newImage = filter.Apply( image ); Original image Thinned image Fourier Transformation It is easy to perform a Fourier transformation, which is useful for image analysis and filtering...

Ngày tải lên: 12/12/2013, 19:16

... competitive price because they use digital filters. 10 INTRODUCTION TO REAL-TIME DIGITAL SIGNAL PROCESSING Other digital systems Anti-aliasing filter ADC x(n) DSP hardware Other digital systems DAC Reconstruction filter y(n) x(t) xЈ(t) Amplifier Amplifier y(t) yЈ(t) Input ... REAL-TIME DIGITAL SIGNAL PROCESSING 1 Introduction to Real-Time Digital Signal Processing Signals can be divided into three categories ± continuous-time (analog) signals, discrete-time signals, and digital ... On the other hand, digital signals have discrete values in both time and amplitude. In this book, we design and implement digital systems for processing digital signals using digital hardware....

Ngày tải lên: 14/12/2013, 13:15

Ngày tải lên: 23/12/2013, 03:16

... signal and system parameters have infinite precision. However, most digital systems, filters, and algorithms are implemented on digital hardware with finite wordlength. Therefore DSP implementation ... throughout the book will be 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 ... com- munications are classified as deterministic or random. Deterministic signals are used Real-Time Digital Signal Processing. Sen M Kuo, Bob H Lee Copyright # 2001 John Wiley & Sons Ltd ISBNs: 0-470-84137-0...

Ngày tải lên: 24/12/2013, 01:16

... Because Icos(x)l 5 1 for all x, this system is stable. (d) This system corresponds to a digital integrator and is unstable. Consider, for example, the step response of the system. With...

Ngày tải lên: 25/01/2014, 15:20

Ngày tải lên: 26/01/2014, 15:20

... transform of the image in Example 2.14. Figure 3.2 shows the 64 eigenimages of the original image of Example 2.14 according to the Karhunen-Loeve transform. The eight images shown in ... single image will be so large and it will include so much variation in its content that all the diversity represented by a collection of images will be captured by it. Only images 98 Image ... because the average of each image is 4.125 and the average at each pixel position over all eight images is also 4.125.

Ngày tải lên: 26/01/2014, 15:20

... Image Enhancement What is image enhancement? Image enhancement is the process by which we try to improve an image so that it looks subjectively better. We do not really know how the image ... of a “good” image. How can we modify the histogram of an image? Suppose that the grey levels in the original image are given by the values a variable r obtains and in the new image by the ... the objectives of image enhancement be achieved by the linear methods we learned in Chapter 2? Yes, often image smoothing and image sharpening is done by convolving the image with a suitable...

Ngày tải lên: 26/01/2014, 15:20

... 1996). This paper presents a new approach based on image processing (IP) techniques, which is immune to such predicaments. 2. BCP as image processing 2.1 Estimation of LTP A wide variety of ... alignment resolution give rise to different types of image pattern that are susceptible to well established IP techniques. Constraints Image IP techniques Alignment Pattern Resolution Structure ... word-level bitext map for noisy or non-literal bitext, based on these techniques. Keywords: alignment, bilingual corpus, image processing 1. Introduction Aligned corpora have proved very useful...

Ngày tải lên: 17/03/2014, 23:20

... Digital Image Processing – Part II 54 Morphological Image Processing (a) (c) (d) (b) Digital Image Processing – Part II 87 Image Segmentation (a) (b) (c) (a) (b) Digital Image ... compartments (a) (b) Digital Image Processing – Part II 13 Colour Image Processing (b) Figure 5 Illustration of intensity slicing and colour assignment. Digital Image Processing – Part II 10 Colour Image ... (a) (b) (c) (a) (b) (c) Digital Image Processing – Part II 59 Morphological Image Processing Figure 43 Example of morphological reconstruction.(a) A binary image of the blobs as the mask image; (b)...

Ngày tải lên: 31/03/2014, 16:20

... corrections and image registration also are covered. Chapter 6: Color Image Processing. This chapter deals with pseudocolor and full-color image processing. Color models applicable to digital image process- ing ... Image Processing Toolbox, also are available. Areas of Image Processing Covered in the Book Every chapter in this book contains the pertinent MATLAB and IPT material needed to implement the image ... for the solution of a broad class of problems in digital image processing. Background An important characteristic underlying the design of image processing sys- tems is the significant level of...

Ngày tải lên: 28/04/2014, 10:26

... numerous other branches of digital image processing. 3.1 Background As noted in the preceding paragraph, spatial domain techniques operate di- rectly on the pixels of an image. The spatial domain ... b d FIGURE 3.10 (a) Image of the Mars moon Phobos. (b) Histogram. (c) Histogram- equalized image. (d) Histogram of (c). (Original image courtesy of NASA.) 3.6 ■ Fuzzy Techniques 131 Intersection: ... 250 0 5000 10000 15000 c a b d FIGURE 3.7 Various ways to plot an image histogram. (a) imhist, (b) bar, (c) stem, (d) plot. Digital Image Processing Using MATLAB ® Second Edition Rafael C. Gonzalez University...

Ngày tải lên: 28/04/2014, 10:26

... York • Chichester • Weinheim • Brisbane • Singapore • Toronto CONTENTS xi PART 6 IMAGE PROCESSING SOFTWARE 641 20 PIKS Image Processing Software 643 20.1 PIKS Functional Overview, 643 20.2 PIKS Core Overview, 663 21 PIKS Image Processing Programming ... Spaces, 63 PART 2 DIGITAL IMAGE CHARACTERIZATION 89 4 Image Sampling and Reconstruction 91 4.1 Image Sampling and Reconstruction Concepts, 91 4.2 Image Sampling Systems, 99 4.3 Image Reconstruction ... 682 21.9 Linear Processing Exercises, 682 21.10 Image Enhancement Exercises, 683 21.11 Image Restoration Models Exercises, 685 21.12 Image Restoration Exercises, 686 21.13 Geometrical Image Modification...

Ngày tải lên: 28/04/2014, 15:39