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Developers' Corner

MVTec experts regularly contribute tips and tricks for solving different vision tasks with MVTec HALCON and MERLIC. Feel free to ask questions or suggest an interesting topic yourself.

| Developers' Corner

Easy text and code reading with MERLIC standard tools

If you want to build an MVApp that reads for example QR codes or bar codes you can do so with just a few clicks. You can even combine the tools to get all available information printed on a product in…
Image heatmap sample
| Developers' Corner

About MVTec's Heatmap

Imagine you intend to deliver a HALCON deep-learning-based classification application. And you are about to evaluate a trained model. You are therefore looking for feedback about this model, i.e.…
image gabor filter
| Developers' Corner

Gabor filter: What is it for?

Gabor filters which are well known in the realm of time series analyses can also be used in HALCON for 2D image analysis.
Image with bar code rotation
| Developers' Corner

Introduction to new sub-pixel feature of bar code reader

Do you have small resolution bar codes to read but don't get any good results? Then please try our new feature – the subpixel bar code reader.
| Developers' Corner

Introduction to XYZ-Mappings (Part 2)

This month’s technical article continues our introduction to XYZ-mappings. In the last article, we answered the question "What are XYZ-mappings?" and gave a short preview towards "Why is using…
| Developers' Corner

Introduction to XYZ-Mappings (Part 1)

In the context of 3D applications in HALCON, you have surely already heard the terms “3D mappings”, “XYZ-mappings” or “XYZ-images”. Many 3D sensors provide these XYZ-mappings along with the point…

Deep learning data labeling
| Developers' Corner

Deep learning: Why is the dataset key for a success result?

You want your new deep learning application to be successful? Then you should be careful with your data handling. In every machine vision application it is important to work with “high-quality” image…

| Developers' Corner

How to prepare 3D height images for further processing with MERLIC’s standard tools

Most of the easyTouch tools available in MVTec MERLIC are optimized for processing byte images and generally do not work as expected for other pixel types, such as int1', 'int2', 'int4', 'int8',…

| Developers' Corner

Inspection of specular surfaces with deflectometry in HALCON

With the help of deflectometry you can easily inspect flat but also curved specular surfaces. Defects like scratches, bumps, cracks, and dents can be detected robustly and fast. Deflectometry is used…

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