image processing using matlab


An introduction to digital image processing with matlab notes for scm2511 image processing
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As we mentioned in the preface, human beings are predominantly visual creatures: we rely heavily on our vision to make sense of the world around us. We not only look at things to identify and classify them, but we can scan for differences, and obtain an overall rough

A MATLAB based face recognition system using image processing and neural networks
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Automatic recognition of people is a challenging problem which has received much attention during recent years due to its many applications in different fields. Face recognition is one of those challenging problems and up to date, there is no technique that provides a robust

Image encryption and decryption using blowfish algorithm in MATLAB
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With the progress in data exchange by electronic system, the need of information security has become a necessity. Due to growth of multimedia application, security becomes an important issue of communication and storage of images. This paper is about encryption and

Fuzzy logic based image edge detection algorithm in MATLAB
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This paper reports the implementation, in MATLAB environment, of a very simple but efficient fuzzy logic based algorithm to detect the edges of an input image by scanning it throughout using a 2* 2 pixel window. Also, a Graphical User Interface (GUI) in MATLAB has been

An improved watershed image segmentation technique using MATLAB
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Watershed Transformation in mathematical morphology is a powerful tool for image segmentation. Watershed transformation based segmentation is generally marker controlled segmentation. This paper purposes a novel method of image segmentation that includes

Contact free strain measurement using MATLAB Image Processing Toolbox
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A new method to measure displacements and strains in mechanical test pieces without applying sensors to the specimens is described. This optical technique uses a CCD-camera, a computer with frame grabber board and image analysis techniques within the MATLAB

Introduction to image processing in Matlab
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This worksheet is an introduction on how to handle images in Matlab . When working with images in Matlab , there are many things to keep in mind such as loading an image , using the right format, saving the data as different data types, how to display an image , conversion

A comparative study of image change detection algorithms in matlab
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Change detection involves quantifying temporal effects using multi temporal data sets. When one is interested in knowing the changes over large areas and at frequent interval satellite data are commonly used. Results of the digital analysis to a large extent depend on the

Image segmentation by improved watershed transformation in programming environment MATLAB
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Image segmentation is the foundation of object recognition and computer vision. Watershed transform is usually adopted for image segmentation in the area of image processing and image analysis because it always generates closed contours for each region in the original

Digital image processing using matlab
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Usually they take on only integer values. A digital image can be considered as a large array of discrete dots, each of which has a brightness associated with it. These dots are called picture elements, or more simply pixels. The pixels surrounding a given pixel

Comparative study and implementation of image processing techniques using matlab
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Image enhancement aims at improving the quality of image for better visualization. This paper presents three methods of image enhancement:-GHE, LHE and DSIHE that improve the visual quality of images. In this paper, we implement and examine the effect of above

Comparative analysis of digital image watermarking techniques in frequency domain using matlab simulink
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Digital multimedia data is easily created, copied, processed, stored and distributed among unauthorized users using freely available software. So, digital watermarking technique provides solution to the problem. Watermarking is the process in which an informal data is

MATLAB -based applications for image processing and image quality assessment Part I: Software description
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This paper describes several MATLAB -based applications useful for image processing and image quality assessment. The Image Processing Application helps user to easily modify images, the Image Quality Adjustment Application enables to create series of pictures with

Utilization of Matlab for digital image transmission simulation using the DVB error correction codes
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The paper deals with the utilization of Matlab for simulation and analysis of the digital image transmission and transmission distortions in DTV (Digital Television) and DVB (Digital Video Broadcasting) area. The simulation model that covers selected phenomena of DVB standard

A Paper on Automatic Fabrics fault processing using Image processing technique in MATLAB
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The main objective of this paper is to elaborate how defective fabric parts can be processed using Matlab with image processing techniques. In developing countries like India especially in the Knitwear capital of the country in three decades yields a

Digital image processing: supervised classification using genetic algorithm in MATLAB toolbox
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Digital Image Processing (DIP) is a multidisciplinary science. The applications of image processing include: astronomy, ultrasonic imaging, remote sensing, medicine, space exploration, surveillance, automated industry inspection and many more areas. Different

Applications of convolution in image processing with MATLAB
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The article presents a short introduction to image processing and image filtering techniques. The mathematical concepts of convolution and the kernel matrix are used to apply filters to signals, to perform functions such as extracting edges and reducing unwanted noise. The

Extraction of cancer cells from MRI prostate image using MATLAB
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Medical Image Processing is one of the most challenging and emerging topics in todays research field. Processing of Magnetic Resonance Imaging (MRI) is one of the parts in this field. In recent years, multispectral MRI has emerged as an alternative to Ultrasound (US)

On teaching digital image processing with MATLAB
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In the new era of information technology, the use of visual aids in teaching and learning process is inevitable. Image processing is an interesting field that studies about various processing techniques for digital images, which is the backbone of the emerging visual

Detecting brain tumour from MRI image using matlab gui programme
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Engineers have been actively developing tools to detect tumors and to process medical images. Medical image segmentation is a powerful tool that is often used to detect tumors. Many scientists and researchers are working to develop and add more features to this tool



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