Efficient extraction of desired edges

Edge Extraction with Deep Learning

Edge extraction is a fundamental step in image processing, where the boundaries of objects or structures in an image are identified.
Deep learning provides a new and robust method to extract edges from images, even in challenging environments with low contrast and significant noise.

This technology enables reliable extraction of a variety of edges in an image, which is particularly useful when traditional methods reach their limits. In MVTec HALCON, deep-learning-based models can be trained to efficiently extract only the desired edges – without the need for extensive programming.

WORKFLOW

How Does It Work

Training With Few Images

The deep learning model is trained with a small number of images to specifically recognize edge structures. This enables the model to quickly respond to new requirements or changes in the image environment.

Robustness Against Disturbances

The pre-trained model can extract edges in image areas with low contrast and significant noise, where traditional edge detection algorithms would fail.

Targeted Extraction

The deep learning method extracts only the relevant edges, significantly reducing programming effort since manual specification of edge features is not required.

EDGE EXTRACTION

Advantages

High Accuracy – Precise extraction of edges, even under poor image conditions (low contrast, noise).

Automatic Adjustment – Training with minimal effort, without the need to manually define features.

Efficient Processing – More robust edge detection, even for edges that are inaccessible to traditional edge detection filters.

Quick Integration – Directly integrable into HALCON – ideal for industrial image processing and real-time inference.

EDGE EXTRACTION

Application Examples

Automotive Industry

In the automotive industry, edge extraction is used to identify solder joints or cutting edges on components. The model detects even weak edges, making it highly efficient for quality control.

Inspection of Packaging and Labels

In the packaging industry, label edges or seams of packaging can be automatically extracted and checked for defects, even with complex or irregular shapes.

Availability in HALCON

Deep learning-based edge extraction is fully integrated into HALCON, offering powerful features for automatic edge determination. 

Users can extract the relevant edges for their application with minimal training effort and high efficiency.

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