IMAGE PROCESSING Tadas Rimavičius
Content Digital image conception Primary image processing Operation and transformation Segmentation Morphological operators Primary shape detection Object recognition Classification
DIGITAL IMAGE CONCEPTION [1] Hue Saturation Lightness Colors RGB CMY HSI
DIGITAL IMAGE CONCEPTION [2] Hue Saturation Lightness Colors RGB CMY HSI
PRIMARY IMAGE PROCESSING [1] Pixels density histogram Gamma correction Contrast stretching Histogram equalization Thesholding Inversion Image addition operation Image subtraction
PRIMARY IMAGE PROCESSING [2] Pixels density histogram Gamma correction Contrast stretching Histogram equalization Thesholding Inversion Image addition operation Image subtraction
PRIMARY IMAGE PROCESSING [3] Pixels density histogram Gamma correction Contrast stretching Histogram equalization Thesholding Inversion Image addition operation Image subtraction
PRIMARY IMAGE PROCESSING [4] Pixels density histogram Gamma correction Contrast stretching Histogram equalization Thresholding Inversion Image addition operation Image subtraction
PRIMARY IMAGE PROCESSING [5] Pixels density histogram Gamma correction Contrast stretching Histogram equalization Thesholding Inversion Image addition operation Image subtraction
IMAGE OPERATION AND TRANSFORMATION Convultions Template operations Median filtering Interest point Correlation Dvimatės transformacijos Scaling Panning Rotation
SEGMENTATION Area Operators Edge detection Primary area finding Treshold finding Edge detection Sobel operator (filter) Roberts operator Zero crossing
MORHOLOGICAL OPERATORS Binary dilation Binary erosion Opening Closing Skeletonization
OBJECT RECOGNITION Problems Constructive solid geometry Spatial occupancy Multiple view representation Surface boundary representation
Classification Nearest neighbor classifiers Bayesian classifier Off-line computations Neural nets Support vectors machines Random forests ...
QuESTIONS??? What main parameters describes color? Segmetation? Main difference between Thresholding and Inversion? Object recognition problems? Classifiers examples?