fundamentals of digital image processing a practical approach using matlab

... display image using imagesc axis image; %Correct aspect ratio of displayed image axis off; %Turn off the axis labelling colormap(gray); %Display intensity image in grey scale Comments . Matlab ... fundamentally a book about image processing which aims to make the subject accessible and practical. It is not a book about the Matlab programming language. Although some prior knowledge of Matlab ... terms of practical image processing in Matlab, it should be noted that an image written to file from Matlab in a lossy compression format (e.g. JPEG) will not be stored as the exact Matlab image...

Ngày tải lên: 05/06/2014, 12:05

... a flat image is taken of a spherical planet, can also be warped into a correct representation. Many individual images can also be combined into a single database, allowing the information ... with a few groups, rather than a large number of individual samples. Using this approach, the mean and standard deviation are calculated from the histogram by the equations: EQUATION 2-6 Calculation ... we attach an 8-bit analog-to -digital converter to a computer, and acquire 256,000 samples of some signal. As an example, Fig. 2- 4a shows 128 samples that might be a part of this data set....

Ngày tải lên: 18/04/2014, 12:32

... Web applications using server-side image processing, such as those based on ImageMagick. Thus image processing is really at the base of any image manipulation software and certainly not an entirely ... Windows; for MacOS and Linux, consult the ImageJ installation manual. 1 Digital Images For a long time, using a computer to manipulate a digital image (i. e., digital image processing) was something ... special images such as those using floating-point image data. In many applications, such as satellite imagery, the maximum image size is also an important factor. Storage si ze and compression: Are...

Ngày tải lên: 05/06/2014, 11:55

... they still play a major role in many practical image processing applications today because of their simplicity and efficiency. To obtain a binary image, the first and perhaps most critical step is ... foreground distributions are maximally separated, which means that they are (a) each as narrow as possible (have minimal variances) and (b) their centers (means) are most distant from each other. For a given ... =0.5 and σ max = 128 (the “dynamic range of the standard deviation” for 8-bit images) as suggested parameter values. In this approach, the offset between the threshold and the local average not...

Ngày tải lên: 05/06/2014, 12:06

... same at any scale. This ratio can thus be used as a feature that is invariant under translation, rotation, and scaling. When applied to a circular region of any diameter, this ratio has a value of 1 4π , ... fact that a region’s perimeter P increases linearly with the enlargement factor while the area A increases quadratically to see that, for a particular shape, the ratio A/ P 2 should be the same ... Binary Images Area The area of a binary region R can be found by simply counting the image pixels that make up the region, A( R)=|R| = N. (2.9) The area of a connected region without holes can also...

Ngày tải lên: 05/06/2014, 12:06

... quantitation and three approved drugs for HBV treatment, and presents an updated and practical clinical approach to managing CHB. Highly sensitive PCR-based quantitation of HBV DNA makes it ... normal transaminases. ALT Levels For many years, ALT has been used as a standard surrogate for the activity of CHB. Thus, ALT level in combination with HBV DNA level and histological activity ... is a prodrug of ADV and a nucleotide analogue of adenosine monophosphate that inhibits HBV DNA replication by suppressing HBV DNA polymerase. One year of ADV treatment with 10 mg, once a day...

Ngày tải lên: 03/11/2012, 09:41

... Miyamoto K, Nishigami K, Nagaya N, Akutsu K, Chiku M, Kamei M, Soma T, Miyata S, Higashi M, Tanaka R, Nakatani T, Nonogi H, Take- shita S: Unblinded pilot study of autologous transplantation of bone ... Shimada K, Iwasaka T, Imaizumi T: Therapeutic angiogenesis for patients with limb ischaemia by autologous transplantation of bone- marrow cells: a pilot study and a randomised controlled trial. Lancet ... pathological neovascularization. Circ Res 1999, 85(3):221-228. 13. Tateishi-Yuyama E, Matsubara H, Murohara T, Ikeda U, Shintani S, Masaki H, Amano K, Kishimoto Y, Yoshimoto K, Akashi H, Shimada K,...

Ngày tải lên: 18/06/2014, 15:20

... (e.g. more appropriate vocabulary). After at least three debriefings Total number of formal translations At least 2 forward and 2 back translations. At least 2 forward translations and a consensus ... forward and back translations. Between forward and back translations. Between forward and back translations. After forward and back translations. After pre-testing. After difficulty ratings. ... purposes) Health and Quality of Life Outcomes Open Access Research Measuring disease-specific quality of life in rare populations: a practical approach to cross-cultural translation Victoria E Price 1 ,...

Ngày tải lên: 18/06/2014, 19:20

... not have a clinical background. Single back translation. Must have as many back translations as forward translations. Must have as many back as forward translations. Consensus/Synthesis A multi-disciplinary ... language) ≥ 2 Professional, naïve translators NSE. # 2 Professional translators NSE. 2 Professional, naïve translators NSE. 1 Professional, naïve translator for each of the target languages. Translate ... interests. Authors' contributions VEP: acquisition and analysis of data, drafting of manu- script. RJK: conception and design, acquisition of data, analysis and interpretation of data, drafting...

Ngày tải lên: 20/06/2014, 16:20

... maps for shoe image obtained from blurred shoe images using LS approach and that obtained using our graph cuts-based approach. Here, the shoe was kept at angle with the image plane and this causes ... surface gradients and the albedo and also perform blind image restoration. The surface gradients and the albedo are modeled as separate Markov random fields (MRFs), and a suitable regularization ... performance of our approach for depth estimation. Figures 13 (a) and 13(b) show the depth maps for Jodu image obtained from blurred Jodu images using LS approach and that obtained using our graph...

Ngày tải lên: 21/06/2014, 22:20

... efficacy of the image processing by comparison of initial and residual variability in our data. 4.1. Stripe straightening and registration With transformations (1)and(2), we aim at as good a match as ... registration is achieved by sequential applica- tion of the polynomial transformations (1)and(2)topairsof images. Complete registration within each t ime class relative to a starting image (the ... parameters are arranged as vectors of real num- bers for which operations of crossover and mutation are defined. In GA, the program operates on a population of floating- point chromosomes. At each...

Ngày tải lên: 23/06/2014, 01:20

... (Dry) Waste Gases Natural Gas LPG Cracked Gas Coking Gas Reforming Gas FCC Gas Refinery Gas Sample 1 Refinery Gas Sample 2 PSA Gas Flexicoking Gas Tulsa Alaska Netherlands Algeria Propane Butane CH 4 93.4% ... Modeling of Combustion Systems: A Practical Approach TABLE A. 3 (CONTINUED) Chemical, Physical, and Thermal Properties of Gases: Gases and Vapors, Including Fuels and Refrigerants, English and Metric ... Modeling of Combustion Systems: A Practical Approach TABLE A. 3 (CONTINUED) Chemical, Physical, and Thermal Properties of Gases: Gases and Vapors, Including Fuels and Refrigerants, English and Metric...

Ngày tải lên: 13/08/2014, 05:22

... LLC 556 Modeling of Combustion Systems: A Practical Approach TABLE B.1 Areas and Circumferences of Circles and Drill Sizes Drill Size Diameter (in.) Circumference (in.) Area (in.) Area (ft) 80 0.0135 ... 2006 by Taylor & Francis Group, LLC 555 Appendix B Mechanical Properties © 2006 by Taylor & Francis Group, LLC 570 Modeling of Combustion Systems: A Practical Approach TABLE B.3 K Factors Contractions 1. ... 92 909.49.607 842.490000.03"03 142.58.457093.790000.13"13 585.53.40835.0010000.23"23 049.53.55876.3010000.33"33 503.69. 70918.6010000.43"43 186.61.26969.9010000.53"53 960.79.710101.3110000.63"63 764.72.570142.6110000.73"73 67 8.71.431183.9110000.83"83 692.86.491125.2210000.93"93 727.86.652166.5210000.04"04 861.93.023118.8210000. 14"14 126.94.583159.1310000.24"24 TABLE B.1 (continued) Areas and Circumferences of Circles and Drill Sizes © 2006 by Taylor & Francis Group, LLC 560 Modeling of Combustion Systems: A Practical Approach 76 170.0123.01883.110526.3"8/5...

Ngày tải lên: 13/08/2014, 05:22

... Btu/ft-hr-°F 641.4 kcal/hr 745.7 W © 2006 by Taylor & Francis Group, LLC 576 Modeling of Combustion Systems: A Practical Approach TABLE C.2 (continued) Unit Dimensions for Some Combustion-Related Quantities Generic ... Modeling of Combustion Systems: A Practical Approach TABLE C.1 Common Conversions TEMPERATURE CONVERSIONS °C = 5/9 (°F – 32) °F = 9/5°C + 32 K = °C + 273.15 °R = °F + 459.67 From: Baukal, C.E., Heat ... W/kgmol –1 1 2 –2 Gas constant, universal psia ft 3 /lbmol °R m 3 kPa/kgmol K –1 1 2 –2 –1 Heat Btu/h W 1 2 –3 Heat capacity, molar Btu/lbmol °F J/mol K –1 1 2 –2 –1 Heat capacity, specific Btu/lbm...

Ngày tải lên: 13/08/2014, 05:22

... A Practical Approach TABLE D.3 Properties of Saturated Steam and Saturated Water Absolute Pressure Vacuum Inches of Hg Temper- ature t Degrees F Heat of the Liquid Btu/lb. Latent Heat of ... Taylor & Francis Group, LLC 580 Modeling of Combustion Systems: A Practical Approach TABLE D. 2A (continued) Standard Atomic Weights 1981 (alphabetical by element name) (Scaled to the relative ... Taylor & Francis Group, LLC Properties of the Elements 579 TABLE D. 2A Standard Atomic Weights 1981 (alphabetical by element name) (Scaled to the relative atomic mass, A r ( 12 C) = 12) Name...

Ngày tải lên: 13/08/2014, 05:22

Ngày tải lên: 13/08/2014, 05:22

Ngày tải lên: 13/08/2014, 05:22

Ngày tải lên: 13/08/2014, 05:22

Ngày tải lên: 13/08/2014, 05:22

Ngày tải lên: 13/08/2014, 05:22