Hypercomplex Neural Network Processing Circuit

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Solution Overview

Problem

Current machine learning technologies using real numbers in neural networks are limited in their ability to efficiently process complex and quaternion-based data, which is essential for advanced signal processing in medical imaging and other fields, as they lack the operational closure and mathematical richness of hypercomplex numbers.

Innovation Solution

A hypercomplex-number operation device that includes processing circuitry capable of acquiring and processing hypercomplex numbers, applying them through parametric functions with different forms for real and imaginary components, and generating output data, integrated with medical imaging apparatuses like ultrasound and magnetic resonance imaging systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If real numbers are used in neural networks, then the system has completeness and algebraic operations are convenient, but the ability to efficiently process complex and quaternion-based data is limited

Engineering Contradiction:
Improveability to process complex and quaternion-based dataVSAvoidnumber system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent changes the fundamental parameter of the number system from real numbers to hypercomplex numbers (complex numbers or quaternions). This allows the neural network to natively process complex and quaternion-based data without conversion, directly improving adaptability while the parametric function design keeps the implementation manageable.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If hypercomplex numbers are used in neural networks, then signal processing efficiency is improved, but the mathematical operations become more complex

Engineering Contradiction:
Improvesignal processing efficiencyVSAvoidmathematical operation complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the hypercomplex number processing into distinct parametric functions - one for the real component and another for the imaginary component. This segmentation allows the complex mathematical operations to be broken down into manageable, modular functions that can be implemented efficiently in the neural network architecture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent creates a universal neural network architecture using parametric functions that can handle both real and imaginary components of hypercomplex numbers. This multi-functional approach allows the same network structure to process different types of data (real numbers, complex numbers, quaternions) by simply changing the parametric function configuration, thereby improving signal processing efficiency across multiple domains.

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

Data Source

PatentUS20220061818A1Hypercomplex-number operation device and medical image diagnostic apparatus
Publication Date: 2022.03.03 CANON KK
  • US20220061818A1 patent drawing
  • US20220061818A1 patent drawing
  • US20220061818A1 patent drawing

AI summary

A hypercomplex operation device according to an embodiment includes processing circuitry. The processing circuitry acquires data including a hypercomplex number, inputs a parametric function in which a function form for a first component and a function form for a second component that is different from the first component differ from each other, inputs the data including a hypercomplex number, to apply to the parametric function, and thereby outputs output data.