Automated Portal Dose Image Evaluation Using Predefined Templates

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

The existing manual methods for evaluating radiation treatment plans in radiation therapy are repetitive, time-consuming, and inefficient, particularly when multiple fields are involved, requiring manual parameter changes and multiple test runs for dose evaluation.

Innovation Solution

A template-based system and method for evaluating portal dose images, where a processor uses predefined evaluation criteria from a database to automatically assess portal dose images, reducing manual intervention and streamlining the process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual parameter changes and multiple test runs are performed for dose evaluation, then evaluation thoroughness is improved, but time consumption and operational complexity increase

Engineering Contradiction:
Improveevaluation thoroughnessVSAvoidtime consumption
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by automatically executing multiple test runs with different parameter values without requiring manual intervention. The processor is configured to automatically change parameters and rerun tests, completing evaluation thoroughness before the user needs to review results, thereby reducing time consumption while maintaining reliability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The dose evaluation system performs self-service by automatically managing the entire evaluation process including parameter changes, test execution, and result analysis. The system serves itself by eliminating the need for manual parameter adjustment and test rerunning, thereby reducing time consumption while maintaining comprehensive evaluation through automated multi-parameter testing.

Inventive Principle:
Principle #25Self-service

2Reliability

If manual parameter changes are made to run the same test with different values, then test comprehensiveness is improved, but operational efficiency deteriorates

Engineering Contradiction:
Improvetest comprehensivenessVSAvoidoperational efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system applies dynamics by automatically adjusting parameters through programmed sequences rather than static manual changes. The processor dynamically changes parameter values and reruns tests based on pre-configured evaluation protocols, achieving test comprehensiveness while dramatically improving operational efficiency by eliminating repetitive manual parameter modification.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs self-service by automatically managing parameter variations and test execution. The processor independently handles parameter changes and reruns tests without user intervention, achieving comprehensive test coverage while improving operational efficiency by eliminating the tedious manual process of changing parameters and rerunning tests.

Inventive Principle:
Principle #25Self-service

3Productivity

If automated template-based evaluation is implemented, then productivity is improved, but system complexity increases

Engineering Contradiction:
Improveevaluation efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system resolves the complexity issue through preliminary action by pre-configuring evaluation templates with all necessary parameters and test sequences before actual dose evaluation begins. Users define evaluation criteria once in advance, and the processor automatically applies these pre-set templates to multiple portal images, achieving high productivity while minimizing operational complexity during actual use.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system achieves universality through reusable evaluation templates that can be applied to multiple portal images and treatment plans. A single template defines evaluation criteria that work across different datasets, improving productivity by eliminating repeated configuration while managing system complexity through standardized, multi-functional template structures that handle various evaluation scenarios.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9956429B2Method and system for automated evaluation of multiple portal dose images in radiation therapy
Publication Date: 2018.05.01 SIEMENS HEALTHINEERS INTERNATIONAL AG
  • US9956429B2 patent drawing
  • US9956429B2 patent drawing
  • US9956429B2 patent drawing

AI summary

A method of evaluating a portal dose image includes obtaining a template from a database, the template prescribing one or more evaluation criteria, receiving a first portal dose image, and using a processor to evaluate the first portal dose image based at least in part on the one or more evaluation criteria from the template. In some embodiments, a second image is automatically evaluated after the first image is evaluated. A system for evaluating a portal dose image includes a processor that is communicatively coupled to a database, the database having a template that prescribes one or more evaluation criteria, wherein the processor is configured to obtain the template from the database, receive a first portal dose image, and evaluate the first portal dose image based at least in part on the one or more evaluation criteria from the template.