Articles by Dr. Norman Axelrod

Automated Vision and Sensing: Truth or Consequences

The earlier the truth about actual performance requirements are identified, the earlier there will be preferred consequences: simplifications and a reliable system.
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Quality Communication of Optical Information

In this blog, we will briefly discuss the epochal paper that provided the basis for how quality communication can be obtained in the transmission of signals (including optical) in noisy channels in demanding situations where signal integrity can be critical to practical use.
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Quality Test & Inspection: Smart Machine Vision Systems

Machine vision systems with smart software can provide measurements more efficiently than ever before.
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Image Processing Broken Down

Determine when to apply digital vs. optical image processing techniques.
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Fiber Optics: Beyond Simple Light Pipes

Optical fibers are amazingly versatile optical components, used for everything from simple, compact go/no-go sensing to imaging to digital communication to precision gaging.
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LED: Smart Lighting for Machine Vision

Smart, integrated, machine vision design warrants serious consideratino of LED lighting.
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Lighting: Fluorescence from NDT to QC to DNA

It is awesome to me when a simple lighting technique can provide outstanding results on difficult problems over a large range of sizes and materials without sophisticated optics.
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Lighting Strategy

Lighting is simply one part of a vision and sensing system, but it is a critical part.
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Lighting Explained

Both materials’ optical characteristics and special optical techniques can greatly improve system performance.
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Lighting and More

Getting a good image can be critical to getting a faster, more reliable, and simpler system for both individual photosensors and vision systems.
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Charles J. Hellier has been active in the technology of nondestructive testing and related quality and inspection fields since 1957. Here he talks with Quality's managing editor, Michelle Bangert, about the importance of training.
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2014 October

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