Matching and Measurement Tools

EasyObject obtains information about distinct objects (blob analysis), identifies them using connected component labeling, then sorts and selects them according to their geometric features.

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EasyGauge assesses dimensions of objects to sub-pixel precision, detects edges, locates points and fits geometric models. If the field of view is calibrated, it also measures in physical units (mm, inch...) instead of pixels.

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EasyFind locates patterns in an image based on a geometrical model from a reference pattern or template. Compared to EasyMatch, it is computationally fast, robust against noise, occlusion, blurring and illumination variations.

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EasyMatch locates patterns in an image based on a pixel-by-pixel comparison with a reference pattern or template. It can be used for image registration or component placement inspection.

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EChecker2 creates a golden template and inspects images.

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Dealing with Pixel Containers and Files defines fundamental objects, types, classes and functions used in all Open eVision components.
Use Open eVision Studio to evaluate the tools and libraries.
Check our PDF Guides, and especially:
D124ET-Using Matching and Measurement Tools C++-Open eVision-22.04.0.1166.pdf
D125ET-Using Matching and Measurement Tools .NET-Open eVision-22.04.0.1166.pdf
Check our Video Tutorials.
Dedicated examples:
D155EN-2D Example-Inspecting Fuses-Open eVision-22.04.0.1166.pdf
D156EN-2D Example-Inspecting Pads Using Regions-Open eVision-22.04.0.1166.pdf