1stVision Inc. - Machine Vision Articles - Page 3 of 60

October 13, 2025October 15, 2025

How cool is your camera?

Recently we announced Allied Vision’s 5GigE SWIR Goldeye Pro cameras. Pretty cool. Pun intended. Click that link above for the 10,000 foot view of the camera series, features, and value proposition overall.

SWIR cameras come in both cooled and uncooled models

So you are already doing Short-Wave-InfraRed imaging, or think you might want to. For all the reasons and applications discuss in our SWIR cameras and applications knowledge-base article.

I want to know more about SWIR – please contact me

Cooled vs uncooled performance – what are the differences?

As with many engineering design choices and product selection options, for a given application one needs components that are good enough – perhaps with a little margin – to get the job done. But not overdesigned – as that would add cost, weight, and volume delivering no measurable benefit.

5GigE SWIR Goldeye Pro – Courtesy Allied Vision – a TKH Company

Thermoelectric cooling (TEC)

The InGaAs (indium gallium arsenide) sensors used for SWIR imaging deliver the best images when temperature-stabilized. That’s provided by the thermoelectric cooling (TEC). That helps reduce dark noise and thermal current.

With TEC, see key performance metrics

For the Goldeye Pro G5-320, we snapshot key metrics from the datasheet:

Goldeye Pro G5-320 imaging metrics – Courtesy Allied Vision – a TKH Company

Compare to uncooled Goldeye G-033 metrics:

Uncooled Goldeye G-033 imaging metrics – Courtesy Allied Vision – a TKH Company

Sensor performance comparison summary

For background on sensor performance testing, review our tutorial on EMVA 1288 attributes and standards. There we go into the meaning of key terms like dark noise, dark current, saturation capacity, and dynamic range.

While the G-033 and G5-320 sensors above are different in size and release date, they are both InGaAs sensors, so share essential basic characteristics. And we can be sure that Allied Vision engineered each camera for the best possible performance relative to housing design, electronics positioning, and so forth.

Camera	G5-320	G-033
Temporal dark noise	183 e~	390 e~
Dark Current	8.9 ke~/s	430 ke~/s

Dark current and temporal dark noise mitigated by cooling an InGaAs sensor

What performance requirements does your SWIR application require?

We love to learn about client applications, and to guide you to best-fit selections for sensors, cameras, lenses, lighting, and software. Whether you are new to SWIR or experienced, let us help!

1st Vision’s sales engineers have over 100 years of combined experience to assist in your camera and components selection. With a large portfolio of cameras, lenses, cables, NIC cards and industrial computers, we can provide a full vision solution!

About you: We want to hear from you! We’ve built our brand on our know-how and like to educate the marketplace on imaging technology topics… What would you like to hear about?… Drop a line to info@1stvision.com with what topics you’d like to know more about.

September 10, 2025September 10, 2025

Introduction to Gidel High-Performance Products

How to speed up image processing

Since 1994, Gidel has been a leading provider of high-performance FPGA-based imaging and vision solutions. Their product offerings are engineered for data-intensive applications that demand real-time processing and minimal latency.

For high-end vision and imaging applications, compression, and HDR

…. for light-weight applications with fewer demands you may not need Gidel’s products.

Below is an overview of Gidel’s high-performance products.

For high-performance frame grabbing or FPGA-processing

… for superior throughput and pre-processing to reduce data load, you absolutely might need Gidel

Example application: Traffic monitoring with 12x 10GigE cameras

Conventional approach: Multiple computers needed to handle the data volume, and the need to coordinate them in a managed solution

With Gidel’s FPGA-based GigE parsing: Single computer solution is possible

Another example: Aerial imaging with FPGA processing:

Conventional approach: Raw image data provided “as is” to host PC and software, then “good luck” from there

With Gidel HDR processing: FPGA in framegrabber does HDR enhancement before passing to host PC

FPGA Accelerators and development tools

Robust off-the-shelf and ready-to-use solutions

Accurate triggering despite velocity instability

Ideal when: precise timing must be maintained even when speed varies

Example application: Rail inspection – the rail car on which the inspection system is mounted moves at the variable speed of the train, but track inspection must be continuous at defined minimum intervals.

Real-time data reduction and optimization

Compression — Ideal for recording, streaming, and cloud-based AI workflows
Feature extraction — Common in machine vision to minimize readout and host processing by focusing only on relevant image regions
HDR processing — Converts 10–16-bit input to 8-bit output in real time
Parallel operation —Simultaneous binning and full ROI processing for efficient mixed-resolution acquisition

Note: Early or crude attempts at compression reduced data volumes but at the cost of quality, struggling for images that were “good enough”. High-quality compression and feature extraction achieve both goals.

Left: Generated by conventional processing; Right: Generated using Gidel’s FPGA processing library
– Courtesy Gidel

FantoVision Edge Computers

First a one paragraph tutorial on edge computing: By putting computing power closer to the source (in this case one or more digital cameras), helpful processing adds value and either “makes the decision at the edge” and/or reduces data volumes that need transmitting to the central host PC.

For high-bandwidth applications. Integrate high-end image acquisition with real-time image processing and/or compression.

With Gidel’s InfiniVision™ open frame grabber flow, over 100 sensors can be simultaneously synchronized and processed.

Gidel FantoVision Edge Computers – Courtesy Gidel

Modular and customizable variants also available

… for those who want flexibility to extend and tailor beyond the off-the-shelf solutions

e.g. Replace the need to build your own frame grabber — Gidel allows you to implement and control your acquisition interface directly in the FPGA.

Other applications: Food processing

Low-latency inline execution – since decisions must happen within milliseconds

Also:

Most-recent award

Gidel’s Quality+ Compression technology has been named one of the Top 10 Innovations of 2025 by inVISION Magazine. Achieve 1:10 compression ratios while preserving the original image quality, ensuring critical details remain intact for applications where lossless accuracy is essential. Latency under a single frame, processing over one GB Pixels/sec.

Complex products… happy to guide you

Due to their high-performance, it’s not so easy to illustrate everything these Gidel products can do with a simple overview. One needs to dig into spec sheets and look at details – if you want a bottom up approach. Alternatively, tell us about your application, and we do a top-down analysis to guide you to a solution with optimal cameras, grabbers, computers, and tools. Whether by phone at 978-474-0044, or by web-form below, we’re happy to advise.

#framegrabber

#FPGA

#edge computing

#video compressoin

September 4, 2025September 10, 2025

Z-Trak Express 5k profiles per second

For 3D in-line measurement and inspection applications across various industries such as battery, automotive, lumber inspection, factory automation, logistics, and more. Constant profile rate of 5,000 profiles per second, along with real-time processing. Cost-effective, eye-safe red or blue lasers. Up to 1,700 mm field-of-view. Up to 675 mm Z-range.

Z-Trak Express laser line profiler series
– Courtesy Teledyne DALSA

Newest series in large Z-Trak product line

Teledyne DALSA now offers four distinct 3D laser profiler series in its Z-Trak product line. Each member of the four series is a compact high-performance 3D laser profiler sensor. Each delivers high resolution height measurements using laser triangulation techniques. Each 3D profiler is factory calibrated to ensure accurate, consistent results.

IP67 protection for harsh environments

And each is built with IP67 protection to withstand the demands of harsh industrial environments making them suitable for industrial applications such as factory automation, metrology, surface, semiconductor, and parts inspection.

Z-Trak Express in particular

Additional features and capabilities – Courtesy Teledyne DALSA

Detailed specs for each member of the series

You can find all the specs in the datasheets. For all Z-Trak laser profilers, see the Z-Trak product family overview. Then drill in on any specific family for more information.

If you know it’s new Express products you want, see Z-Trak Express 3D laser profiler.

Sometimes a single Z-Trak profiler is enough

But for some applications one might want to combine two or more sensors, in various spatial configurations:

Combine multiple units according to application requirements – Courtesy Teledyne DALSA

To simplify deployment and reduce costs, the Z-Trak Express 1K5 synchronizes multiple sensors via the data cables and supports content-based triggering for enhanced flexibility.

Which Z-Trak 3D camera is best for my application?

See our blog on key characteristics of 3D laser profiling, as a basis for choosing among Z-Trak 3D cameras. Or let us guide you through it by phone: 978-474-0044. Or use the form below. Together we can do this!

#3D

#profiler

September 4, 2025September 10, 2025

High-resolution 5GigE SWIR Goldeye Pro cameras

Available in 5.3 and 3.2 MP sensor options, the 5 GigE interface delivers framerates exceeding 100 fps. Based on the TEC-version of Sony’s IMX992/993 SenSWIR sensors, the cameras are sensitive from 400nm to 1,700nm, so they are classified as VSWIR. With a single sensor covering both the visible and SWIR range, new economies are possible for applications needing that spectral coverage.

Even if you don’t need VIS and just want SWIR…

These are compelling for SWIR applications for two key reasons:

They achieve impressive framerates for large sensors (by SWIR standards), at 115 fps for the 5.3 MP, and 159 fps for the 3.2 MP model. With a very affordable 5 GigE interface.
Outstanding image quality ideal for demanding applications.

Goldeye Pro – Courtesy Allied Vision – a TKH Vision brand

Our previous “coming soon” blog summarized key features, suggested applications, and a first look, so below we’ll go deeper now that the products are fully released.

Thermoelectric cooling (TEC) for image quality

Must an InGaAs SWIR camera use TEC?

No, it’s not a requirement. Allied Vision is a leading producer of SWIR cameras, and while many include thermoelectric cooling, certain models do not. See all Allied Vision SWIR cameras and note some are “TECless.”

Whether your application requires TEC or not comes down to framerates, duty cycles, and overall performance demands. As with many engineering and design questions, how good is good enough?

Overview

Here are the key specifications at a glance:

Goldeye Pro models at a glance – Courtesy Allied Vision – a TKH Vision brand

For price quote or more information on either:

Goldeye Pro 5GigE G5-320 VSWIR TEC1

Goldeye Pro 5GigE G5-530 VSWIR TEC1

Features of note

Both models offer 12- and 10-bit sensor readout modes for achieving the highest possible dynamic range.

Both offer region-of-interest control to speed up frame rates and optimize bandwidth usage.

Both offer look-up tables to increase contrast.

Both provide digital binning and gain control to increase sensitivity.

And there are multiple user sets are available to simplify camera setup.

Applications

SWIR sees things that visible imaging cannot. (Likewise for UV, but that’s beyond the scope of this piece.) SWIR imaging can be mapped to “pseudo” images for human viewing – if required.

More to the point, machine vision applications get the job done in real-time without human involvement. Sort those materials. Monitor the perimeter for intruders. Optimize crop irrigation. etc.

If SWIR pseudo images help to get the juices flowing, here are a few:

*Visible vs. SWIR image pairs – Courtesy Allied Vision – a TKH Vision brand*

Vision Systems Design award-winner

While the award was earned in China, the cameras perform the same in whatever country they are deployed in.

1stVision Inc. – Machine Vision Articles

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