Second Order Fuzzy Measure and Weighted Co-Occurrence Matrix for Segmentation of Brain MR Images

• Autorzy: Maji P. , Kundu M.K. , Chanda B.
• Języki publikacji: EN

Abstrakty

EN

A robust thresholding technique is proposed in this paper for segmentation of brain MR images. It is based on the fuzzy thresholding techniques. Its aim is to threshold the gray level histogram of brain MR images by splitting the image histogram into multiple crisp subsets. The histogram of the given image is thresholded according to the similarity between gray levels. The similarity is assessed through a second order fuzzy measure such as fuzzy correlation, fuzzy entropy, and index of fuzziness. To calculate the second order fuzzy measure, a weighted co-occurrence matrix is presented, which extracts the local information more accurately. Two quantitative indices are introduced to determine the multiple thresholds of the given histogram. The effectiveness of the proposed algorithm, along with a comparisonwith standard thresholding techniques, is demonstrated on a set of brain MR images.

Słowa kluczowe

EN

medical imaging; segmentation; thresholding; fuzzy sets; co-occurrence matrix

• Wydawca: IOS Press
• Czasopismo: Fundamenta Informaticae
• Rocznik: 2008
• Tom: Vol. 88, nr 1-2
• Strony: 161--176
• Opis fizyczny: bibliogr. 25 poz., fot., tab., wykr.

Twórcy

autor

Maji P.

autor

Kundu M.K.

autor

Chanda B.

• Machine Intelligence Unit, Indian Statistical Institute, 203 B. T. Road, Kolkata, 700 108, India.,

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