Title :
Advances in tissue-type imaging (TTI) for detecting and evaluating prostate cancer
Author :
Feleppa, Ernest J. ; Urban, Sebastian ; Kalisz, A. ; Porter, Christopher R
Author_Institution :
Riverside Res. Inst., New York, NY, USA
Abstract :
We are seeking to apply advanced ultrasonic tissue typing methods to overcoming severe limitations that now exist in conventional means of imaging cancerous lesions of the prostate. New tissue-type imaging (TTI) methods based on spectrum analysis of radiofrequency (RF) echo signals and neural-network classifiers show potential for distinguishing cancerous from non-cancerous prostate tissues. Encouraging ROC-curve results indicate superior classification. Consequently, these new TTI images may improve biopsy guidance and therapy targeting so that cancers are more-effectively detected and treated.
Keywords :
biomedical ultrasonics; cancer; image classification; medical image processing; multilayer perceptrons; spectral analysis; tumours; MLP algorithm; RF echo signals; biopsy guidance; cancerous lesions; multi-layer perceptron algorithm; neural-network classifiers; noncancerous prostate tissues; prostate cancer evaluation; spectrum analysis; tissue-type imaging; ultrasonic tissue typing; Biopsy; Cancer detection; Image analysis; Lesions; Medical treatment; Prostate cancer; RF signals; Radio frequency; Signal analysis; Ultrasonic imaging;
Conference_Titel :
Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE
Print_ISBN :
0-7803-7582-3
DOI :
10.1109/ULTSYM.2002.1192551