A multi-resolution image analysis system for computer-assisted grading of neuroblastoma differentiation

Jun Kong; Olcay Sertel; Hiroyuki Shimada; Kim L. Boyer; Joel H. Saltz; Metin N. Gurcan

doi:10.1117/12.768397

17 March 2008 A multi-resolution image analysis system for computer-assisted grading of neuroblastoma differentiation

Jun Kong, Olcay Sertel, Hiroyuki Shimada, Kim L. Boyer, Joel H. Saltz, Metin N. Gurcan

Proceedings Volume 6915, Medical Imaging 2008: Computer-Aided Diagnosis; 69151T (2008) https://doi.org/10.1117/12.768397
Event: Medical Imaging, 2008, San Diego, California, United States

Abstract

Neuroblastic Tumor (NT) is one of the most commonly occurring tumors in children. Of all types of NTs, neuroblastoma is the most malignant tumor that can be further categorized into undifferentiated (UD), poorly-differentiated (PD) and differentiating (D) types, in terms of the grade of pathological differentiation. Currently, pathologists determine the grade of differentiation by visual examinations of tissue samples under the microscope. However, this process is subjective and, hence, may lead to intra- and inter-reader variability. In this paper, we propose a multi-resolution image analysis system that helps pathologists classify tissue samples according to their grades of differentiation. The inputs to this system are color images of haematoxylin and eosin (H&E) stained tissue samples. The complete image analysis system has five stages: segmentation, feature construction, feature extraction, classification and confidence evaluation. Due to the large number of input images, both parallel processing and multi-resolution analysis were carried out to reduce the execution time of the algorithm. Our training dataset consists of 387 images tiles of size 512x512 in pixels from three whole-slide images. We tested the developed system with an independent set of 24 whole-slide images, eight from each grade. The developed system has an accuracy of 83.3% in correctly identifying the grade of differentiation, and it takes about two hours, on average, to process each whole slide image.

Citation Download Citation

Jun Kong, Olcay Sertel, Hiroyuki Shimada, Kim L. Boyer, Joel H. Saltz, and Metin N. Gurcan "A multi-resolution image analysis system for computer-assisted grading of neuroblastoma differentiation", Proc. SPIE 6915, Medical Imaging 2008: Computer-Aided Diagnosis, 69151T (17 March 2008); https://doi.org/10.1117/12.768397

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