Neural Network Spatial Coherence Function Inference
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Solution Overview
Problem
Calculating spatial coherence functions for short-lag spatial coherence (SLSC) imaging in medical ultrasound is time-consuming and resource-intensive, limiting access to this advanced imaging technique.
Innovation Solution
A neural network-based system that infers spatial coherence functions using deep learning techniques, reducing the computational burden and enabling faster generation of SLSC images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional beamforming methods are used to calculate spatial coherence functions, then accurate SLSC imaging can be achieved, but the calculation is time-consuming and resource-intensive
Solution Approach 1:
The patent creates a simplified copy or approximation of the traditional beamforming calculation through machine learning models. The neural network is trained to replicate the output of traditional spatial coherence calculations, providing a faster alternative that maintains sufficient accuracy for clinical applications while dramatically reducing computational time and resources
Solution Approach 2:
The patent performs preliminary action by training the neural network model in advance using datasets generated from traditional beamforming methods. This pre-training phase allows the model to learn the complex relationships in ultrasound data, enabling it to quickly predict spatial coherence functions during actual imaging without performing time-consuming traditional calculations in real-time
2Reliability
If traditional beamforming methods are used, then SLSC imaging can detect lesions and distinguish masses, but the computational resources required are excessive for healthcare systems
Solution Approach 1:
The machine learning model creates a computational copy that replicates the lesion detection functionality of traditional beamforming. By training on datasets from traditional methods, the model learns to identify patterns associated with lesions and mass differentiation, providing equivalent clinical utility with fraction of the computational resource consumption
Solution Approach 2:
The patent substitutes the mechanical computational system (traditional beamforming algorithms requiring extensive CPU/GPU resources) with an intelligent system (trained neural network) that has learned optimal detection patterns. This substitution replaces resource-intensive iterative calculations with efficient pattern recognition, dramatically reducing energy and computational resource usage while maintaining detection reliability
Data Source
AI summary
A computer-implemented method for training and using a neural network to predict a coherence function includes: training a neural network by mapping a plurality of different sets of training input samples to respective coherence function truths to generate a trained neural network; receiving an operational input sample; inputting the operational input sample into the trained neural network; obtaining, from the trained neural network, a coherence function mapped to the operational input sample in response to the inputting the operational input sample into the trained neural network; and executing a computer-based instruction based on obtaining the coherence function. The coherence function may be used to differentiate solid masses from fluid-filled masses.


