EasyMatch
Pattern matching library

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EasyMatch
EasyMatch is a gray-level and color pattern matching library. EasyMatch lets you train the system on a reference pattern and afterwards locate its occurrences in other images. This tool is very convenient when the position of a given part is unknown in the field of view, or if the presence of parts must be controlled. The library works by using normalized correlation method, i.e. measuring discrepancies between the pattern and the target image.
The Highlight Features
- Pattern matching using normalized correlation
- Sub-pixel accuracy
- Rotation and scaling support
- Detection of multiple pattern occurrences
- Support of gray scale and color images
- Support of “don’t care” areas
Key Features

Normal, inverse or mixed contrast

Standard, offset-normalized, gain-normalized and fully-normalized correlation

Translation, rotation and isotropic/anisotropic scaling

Multiple pattern occurrences

Non-square pixels

Open eVision Studio: Evaluation, prototyping and development tool

Gray-level and color images

Supported by Neo Licensing System
Extra Note
- All Open eVision libraries are available for Windows and Linux
- Developed with the support of the DG06 Technology Development Department
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