Methods and apparatuses for visualization of tumor segmentation

IL304570BActive Publication Date: 2026-08-01NOVOCURE GMBH
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Patent Information

Application Number
IL304570
Authority / Receiving Office
IL · IL
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-03-01
Filing Date
2022-03-02
Publication Date
2026-08-01
Estimated Expiration
2042-03-02

AI Technical Summary

Technical Problem

Manual tumor segmentation in tumor treating fields treatment planning is time-consuming and prone to noisy labeling and inter- and intra-observer variability, leading to inefficiencies in tumor segmentation and treatment efficacy evaluation.

Method used

A computer-implemented method for tumor segmentation that generates multiple predictions using co-trained segmentation networks, calculates divergence between predictions, and provides a visualization of segmentation uncertainty, allowing for improved trust and editing of segmentation results through uncertainty maps, thereby reducing variability and enhancing segmentation accuracy.

Benefits of technology

The method significantly reduces resection-cavity and necrotic-core segmentation errors, improves segmentation accuracy for postoperative glioblastoma multiforme, and facilitates more precise planning of tumor treating fields by providing uncertainty visualization and interactive editing capabilities.

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Abstract

A computer-implemented method for tumor segmentation, the method comprises obtaining image data of a region of interest of a subject's body, wherein the region of interest corresponds to a tumor of the subject's body, generating two or more tumor segmentation predictions based on the image data, calculating a divergence between the two or more tumor segmentation predictions, and generating a visualization of tumor segmentation uncertainty based on the calculated divergence between the two or more tumor segmentation predictions.
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