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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

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Published on: August 30, 2013

Gauge inspection using hough transforms.

¹Department of Computer Sciences, University of Wisconsin, Madison, WI 53706.

IEEE Transactions on Pattern Analysis and Machine Intelligence

|August 27, 2011

Summary

This summary is machine-generated.

This study introduces an automated method using a two-stage Hough transform to inspect the scaling accuracy of instrument gauges. The technique verifies gauge response to analog signals without needing prior knowledge of gauge orientation or size.

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Area of Science:

Metrology and Instrumentation
Computer Vision
Engineering Measurement

Background:

Accurate measurement is crucial in various engineering applications.
Manual inspection of instrument gauges can be time-consuming and prone to errors.
Automated inspection systems are needed for efficiency and precision.

Purpose of the Study:

To develop an automatic method for inspecting the scaling accuracy of needle-type instrument gauges.
To verify the relative accuracy of gauge responses to analog input signals.
To create a system that is independent of gauge position, orientation, and size.

Main Methods:

A two-stage Hough transform technique was employed for gauge inspection.
The system measures and verifies gauge accuracy against specified analog input signals.
The algorithm is designed for high-speed hardware implementation.

Main Results:

The developed method successfully automates the inspection of needle-type instrument gauges.
The system accurately verifies gauge scaling and response to analog signals.
The algorithm's independence from gauge parameters (position, orientation, size) was demonstrated.

Conclusions:

The automated Hough transform method provides an efficient and accurate solution for gauge inspection.
This technique is suitable for high-speed applications and does not require gauge pre-calibration or specific setup.
The system enhances the reliability and reduces the cost of instrument gauge verification.