METHOD FOR SEGMENTATION OF BITMAP IMAGES BASED ON GROWING AND MERGING REGIONS Russian patent published in 2012 - IPC G06K9/34 

FIELD: information technology.

SUBSTANCE: method involves initial redundant segmentation by growing regions until said regions completely fill the image area using colour information; a step-by-step region merging process is performed with possibility of using texture information, a multi-scale gradient image is calculated using a wavelet-statistics calculation method; morphologic filling and level quantisation are used when determining crystallisation centres by searching for minima of the gradient image; wavelet-statistics calculation is performed to obtain texture information which is equally used during pixel-by-pixel growing of regions and when merging regions; when searching for the optimum step of ending region merging, the maximum growth rate of the sequence of values of the merging cost function, calculated on the entire region merging range, is determined, the wavelet-statistics is calculated as a function of the initial image.

EFFECT: high quality of segmentation.

2 cl, 4 dwg