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SUBJECT CODE:CS1002 DEPARTMENT OF ECE
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“One picture is worth more than ten thousand words” Anonymous
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IMAGE PROCESSING lens object Image Formation image plane
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light source Image Formation
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projection through lens projection through lens image of object Image Formation
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DIGITAL IMAGE PROCESSING projection onto discrete sensor array. Image Formation digital camera
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sensors register average color. Image Formation sampled image
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continuous colors, discrete locations. Image Formation discrete real- valued image
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UNIT-1 DIGITAL IMAGE FUNDAMENTALS AND TRANSFORMS UNIT-2 IMAGE ENHANCEMENT TECHNIQUES UNIT-3 IMAGE RESTORATION UNIT-4 IMAGE COMPRESSION UNIT-5 IMAGE SEGMENTATION AND REPRESENTATION
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Elements of visual perception – Image sampling and quantization-Basic relationship between pixels-Basic geometric transformation Introduction to Fourier transform and DFT- Properties of 2D Fourier transform-FFT- Seperable image transforms Walsh hadamard- discrete cosine transform- haar–slanttransform-karhunen–loeve transform
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Spatial Domain methods: Basic grey level transformation – Histogram equalization – Image subtraction. Image averaging –Spatial filtering: Smoothing, sharpening filters – Laplacian filters Frequency domain filters : Smoothing – Sharpening filters – Homomorphic filtering
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Gray Level Image HISTOGRAM IMAGE IMAGEIMAGE
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Model of Image Degradation/restoration process – Noise models – Inverse filtering -Least mean square filtering Constrained least mean square filtering – Blind image restoration – Pseudo inverse – Singular value decomposition.
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INVERSE FILTERING
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Lossless compression: Variable length coding – LZW coding – Bit plane coding- predictive coding-DPCM Lossy Compression: Transform coding – Wavelet coding – Basics of Image compression standards: JPEG, MPEG,Basics of Vector quantization
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IMAGE C O M P R E S I O N
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Edge detection – Thresholding - Region Based segmentation – Boundary representation: chair codes- Polygonal approximation Boundary segments – boundary descriptors: Simple descriptors-Fourier descriptors - Regional descriptors –Simple descriptors- Texture
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EDGE DETECTION
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Rafael C Gonzalez, Richard E Woods 2nd Edition, Digital Image Processing - Pearson Education 2003.
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1.William K Pratt, Digital Image Processing John Willey (2001) 2.Image Processing Analysis and Machine Vision – Millman Sonka, Vaclav hlavac, Roger Boyle, Broos/colic, Thompson Learniy (1999). 3. A.K. Jain, PHI, New Delhi (1995)- Fundamentals of Digital Image Processing. 4.Chanda Dutta Magundar – Digital Image Processing and Applications, Prentice Hall of India, 2000
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www.imageprocessingplace.com http://www.archive.org/details/ Lectures_on_Image_Processing
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Boundary descriptors Sharpening filters Edge detection Image averaging
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Discrete cosine transform Elements of visual perception. Thresholding Polygonal approximation. Basics of image compression standards
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