EC2029 DIGITAL IMAGE PROCESSING Lecture Notes for ECE - Seventh (7th) semester -by R.Anirudhan

EC2029 DIGITAL IMAGE PROCESSING Lecture Notes for ECE - Seventh (7th) semester


EC2029 Lecture Notes 

Syllabus :


UNIT I DIGITAL IMAGE FUNDAMENTALS
Elements of digital image processing systems, Vidicon and Digital Camera working
principles, Elements of visual perception, brightness, contrast, hue, saturation, mach
band effect, Color image fundamentals - RGB, HSI models, Image sampling,
Quantization, dither, Two-dimensional mathematical preliminaries, 2D transforms - DFT,
DCT, KLT, SVD.

UNIT II IMAGE ENHANCEMENT
Histogram equalization and specification techniques, Noise distributions, Spatial
averaging, Directional Smoothing, Median, Geometric mean, Harmonic mean,
Contraharmonic mean filters, Homomorphic filtering, Color image enhancement.

UNIT III IMAGE RESTORATION
Image Restoration - degradation model, Unconstrained restoration - Lagrange multiplier
and Constrained restoration, Inverse filtering-removal of blur caused by uniform linear
motion, Wiener filtering, Geometric transformations-spatial transformations.

UNIT IV IMAGE SEGMENTATION
Edge detection, Edge linking via Hough transform – Thresholding - Region based
segmentation – Region growing – Region splitting and Merging – Segmentation by
morphological watersheds – basic concepts – Dam construction – Watershed
segmentation algorithm.

UNIT V IMAGE COMPRESSION
Need for data compression, Huffman, Run Length Encoding, Shift codes, Arithmetic
coding, Vector Quantization, Transform coding, JPEG standard, MPEG.



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