Computer Image Analysis

Computer Image Analysis

: :

: : / : / : / (Preprocessing) (Image Enhancement) (Image Transformation) - (Preprocessing) - (Image Enhancement) - (Image Transformation) ( ) . - . . : a(x,y) a ( ) (x,y) .Regions-of-Interest (ROI): . . Quantization: .: . : . a[m,n] a(x,y) digitization . n m . .A(x,y) (z) (t) . 1 ( - ) 8 . 24

1- :: .: . : : . : : : . . . . (processing Image)

- (Preprocessing) . . .

- (EnhancementImage ) : : . : .Histogram-Equalized stretching: Histogram sliding : . - (EnhancementImage )

Histogram sliding and stretching - (EnhancementImage ) : : : : : . : - (EnhancementImage )

3*3 - (EnhancementImage )

(FFT) - (EnhancementImage ) : .

:

- (EnhancementImage )

- (Image Transformation) : . Spectral rationing : Principal components analysis : . - (Image Transformation)

Principal Components Analysis (Image Analysis) . (Segmentation). . . (Image Analysis) (Thresholding) (Region extraction) (Image Classification) (Mathematical morphology) - (Thresholding) . () . . Background symmetry RGB HSI . - (Thresholding)

- . . . . (Watershed) PLUS : -

LoG PULS -

- (Region extraction) . . . . . - (Image Classification) . . : . : . : . : () . - (Image Classification)

- (Image Classification) : . 4 * Pi / (Peimeter^2) . 1 . 1 . ( ) ( ) - (ROI) . . . . . . - (Mathematical morphology) . . . . 3*3 . (X) . x0 x7 . 4 : x0 , x2 , x4 x6 8 : . - (Mathematical morphology) Erosion: . 3*3 1 . 1 1 . . . . - (Mathematical morphology) :Dilation . 3*3 . NAND . - (Mathematical morphology) Hit-or-miss: 4 8 . 9 9 . hit miss . - (Mathematical morphology) 5*5 . 33 . 3*3 : . : - (Mathematical morphology) (Shrinking): (Thinning): . (Skeletonization): . : .