forensic examination of digital image files

Ngày tải lên: 05/06/2014, 11:42

... Next IFD Offset Image Data Image Data Image Data Figure 1.7 Structure of a typical TIFF file A TIFF file consists of a header and a linked list of image objects, three in this example Each image object ... resolution of 4000 dots per inch (dpi) 24 Digital Images Exercise 1.3 The image sensor of a certain digital camera contains 2016×3024 pixels The geometry of this sensor is identical to that of a traditional ... Programming with Images Even though the term image processing” is often used interchangeably with that of image editing”, we introduce the following more precise definitions Digital image editing,...

Ngày tải lên: 05/06/2014, 11:55

... in intensity image imshow(A); %First display image using imshow imagesc(A); %Next display image using imagesc axis image; %Correct aspect ratio of displayed image axis off; %Turn off the axis ... many of the figures are available in the Matlab code section IMAGE DATABASE: The Matlab software allows direct access and use to a number of images as an integral part of the software Many of these ... Fundamentals of Digital Image Processing Fundamentals of Digital Image Processing A Practical Approach with Examples in Matlab Chris Solomon School of Physical Sciences, University of Kent, Canterbury,...

Ngày tải lên: 05/06/2014, 12:05

... estimated by observing how often the intensity values actually occur in one or more images, assuming that these are representative instances of the images An estimate p(g) of the image s probability ... purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work Duplication of this publication or parts thereof is permitted only under the provisions of ... acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) Preface This is the 3rd volume of the authors’ textbook series on Principles of Digital Image Processing that is...

Ngày tải lên: 05/06/2014, 12:06

... effective processing of not only images but also sequences of images—that is, videos 1.2 Image Analysis 1.2 Image Analysis Although image analysis is not the central theme of this book, most methods ... value of the next label to be assigned) C ← {} empty set of collisions for v ← H − H = height of image I for u ← W − W = width of image I if I(u, v) = then one of: if all neighbors of (u, ... following more precise definitions Digital image editing, or, as it is sometimes referred to, digital imaging, is the manipulation of digital images using an existing software application such as Adobe...

Ngày tải lên: 05/06/2014, 12:06

... vector consists of correlation parameters P0 Initial value of parameter P x LIST OF SYMBOLS S Subimage in the reference image S1 Subimage in the deformed image u , v, w Component of displacements ... of the object, images of the object before and after deformation are captured The surface profiles of the undeformed and deformed object are determined by using FFT for phase evaluation Out -of- plane ... displacement of the beam surface in x-direction 89 Fig 5.36 Comparison of experimental and theoretical in-plane displacement of the beam at the middle section 90 ix LIST OF SYMBOLS LIST OF SYMBOLS a Image...

Ngày tải lên: 04/10/2015, 15:52

... application of science and technology to the identification, recovery, transportation, and storage of digital evidence Digital forensics is a relatively new forensic science compared From: Handbook of Digital ... prioritization; application of digital forensic procedures; preservation of evidence; interpretation of examination results; investigative process; and legal process Mastering many of the professional topics ... understanding of the limitations of their work given these legal documents 3.1.2 Examination The purpose of a forensic examination is to identify potential evidence located on digital media Given...

Ngày tải lên: 25/03/2014, 11:23

... large class of techniques specifically designed for retrieving images and video Chapters 10 to 17 cover these topics in detail 1.2 APPLICATIONS OF DIGITAL IMAGES Applications of digital imagery are ... quality of the image Since the images are produced directly in digital format, a photograph is often acquired by collecting a sequence of short-exposure snapshots and combining them digitally Imageprocessing ... Remotely Sensed Images One of the earliest application areas of digital imagery was remote sensing Numerous satellites continuously monitor the surface of the earth The majority of them measure...

Ngày tải lên: 05/06/2014, 12:03

Ngày tải lên: 29/11/2014, 07:05

... hóa đặc biệt để khắc phục ảnh hưởng nhiễu Hai khía cạnh đưa Shannon báo “A Maththemathical Theroy of Communication” xuất năm 1948 Bell System Technical Journal - nơi đưa lý thuyết thông tin Shannon ... định lý quan trọng cho kỹ sư truyền thông Tài liệu tham khảo C E Shannon "A Mathematical Theory of Communication." Bell System Technical Journal, Vol 27, 1948 Tất kỹ sư truyền thông phải đọc báo...

Ngày tải lên: 18/09/2012, 10:13

... 1.5 2.1 2.2 2.3 2.4 Introduction 15 What Is Digital Image Processing? 15 The Origins of Digital Image Processing 17 Examples of Fields that Use Digital Image Processing 21 1.3.1 Gamma-Ray Imaging ... Fundamental Steps in Digital Image Processing 39 Components of an Image Processing System 42 Summary 44 References and Further Reading 45 Digital Image Fundamentals 34 Elements of Visual Perception ... Library of Congress Cataloging-in-Pubblication Data Gonzalez, Rafael C Digital Image Processing / Richard E Woods p cm Includes bibliographical references ISBN 0-201-18075-8 Digital Imaging Digital...

Ngày tải lên: 02/11/2012, 17:24

... the image a digital image The field of digital image processing refers to processing digital images by means of a digital computer Note that a digital image is composed of a finite number of elements, ... chapters Many of the images shown in this section are used later in one or more of the examples given in the book All images shown are digital The areas of application of digital image processing ... logical place of overlap between image processing and image analysis is the area of recognition of individual regions or objects in an image Thus, what we call in this book digital image processing...

Ngày tải lên: 02/11/2012, 17:24

Ngày tải lên: 02/11/2012, 17:25

Ngày tải lên: 02/11/2012, 17:25

... athlete of modern times [2] ……………………… For centuries waterwheels were the only sources of power aside from human and animal strong [2] ……………………… Proteins form the most of the structure of the body ... 9 The attorney general of the United States advises the President on any questions of law who may arise in the conduct of administrative affairs [2] ……………………… 10 Many of the science fiction publications ... word or phrase which best completes the space Write the number of your chosen answers in the spaces (………) provided One of the of a good teacher is patience with her students [1] (1) factors...

Ngày tải lên: 26/08/2013, 09:10

... data have on the accuracy of the energy demands of a rather large complex of buildings To this aim, the energy demands of the buildings of the Aristotle University of Thessaloniki Campus were ... category of building complexes Group of Buildings Kindergarten Faculty of Education Central Library Administrative Building Faculty of Veterinary Medicine Faculty of Philosophy Faculty of Engineering ... Description of the weather files As already mentioned, climate data are required for energy simulation of buildings Typically, these data consist of 8760 (the hours of a year) sets of characteristic...

Ngày tải lên: 05/09/2013, 15:28

... Fundamentals of Digital Electronics Introduction Digital electronics is one of the fundamental courses found in all electrical engineering and most science programs The great variety of LabVIEW ... wealth of programming structures and functions, make LabVIEW an excellent tool to visualize and demonstrate many of the fundamental concepts of digital electronics The inherent modularity of LabVIEW ... Fundamentals of Digital Electronics Lab Gates Gates are the fundamental building blocks of digital logic circuitry These devices function by “opening” or “closing” to admit or reject the passage of a...

Ngày tải lên: 19/10/2013, 11:15