Diffusion-based training optimization device and method for smart vision inspection system

The diffusion-based learning optimization method addresses the limitations of SGD by converting stochastic optimization into a sampling problem with global convergence, achieving high accuracy and efficiency in training AI models for smart vision inspection systems.

WO2026141760A1PCT designated stage Publication Date: 2026-07-02IMPIX +1

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
IMPIX
Filing Date
2024-12-30
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

Existing stochastic gradient descent (SGD) methods for training artificial intelligence models face limitations such as converging to local solutions and strong assumptions, making them unsuitable for complex deep learning tasks, despite their widespread use in fields like smart vision inspection systems.

Method used

A diffusion-based learning optimization method that transforms stochastic optimization into a sampling problem using the invariant measure of the Langevin SDE, applying a sampling algorithm with proven global convergence to estimate parameters, ensuring high accuracy and efficiency in training AI models for defect detection and anomaly recognition.

Benefits of technology

Ensures global convergence and high accuracy in training AI models for smart vision inspection systems, even with complex objective functions, by concentrating samples at the global minimum and adapting step size based on the objective function's slope.

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Abstract

According to a diffusion-based training optimization device and method for a smart vision inspection system proposed in the present invention, the device comprises an optimizer for performing stochastic optimization to estimate parameters that minimize an objective function in training of an artificial intelligence model. The optimizer may convert a stochastic optimization problem into a sampling problem on the basis that an invariant measure of a Langevin SDE includes a global solution of the objective function, and by applying a sampling algorithm, the optimizer may apply an optimization algorithm for which global convergence is theoretically proven, and can ensure sufficiently high accuracy by training the artificial intelligence model with time and computational resources usable even for a highly complex objective function.
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