Cross-layer fusion feature network for material defect detection

Kai Yang; Zhiyi Sun; Anhong Wang; Ruizhen Liu; Liqun Liu; Yin Wang

doi:10.1117/1.JEI.28.3.033025

8 June 2019 Cross-layer fusion feature network for material defect detection

Kai Yang, Zhiyi Sun, Anhong Wang, Ruizhen Liu, Liqun Liu, Yin Wang

Author Affiliations +

Journal of Electronic Imaging, Vol. 28, Issue 3, 033025 (June 2019). https://doi.org/10.1117/1.JEI.28.3.033025

Abstract

Object detection involves solving two main problems: identifying the object and its location. This transforms the problem into a classification and localization problem. Currently, research shows that a convolutional neural network (CNN) can be used to solve the classification problem, and the object detection module incorporating a region proposal method can be used to locate the object. Although a CNN based on region proposals can achieve high recall, which improves detection accuracy, its performance cannot meet the actual requirements for small-size object detection and precise localization. This is mainly due to the feature maps extracted from the CNN and the quality of the region proposals. We present a cross-layer fusion feature network (CLFF-Net) for both high-quality region proposal generation and accurate object detection. The CLFF-Net is based on the cross-layer fusion feature that extracts hierarchical feature maps and then aggregates them into a unified space. The fused feature map appropriately combines deep layer semantic information, middle layer supplemental information, and shallow layer location information for an image to build the CLFF-Net, which is shared for both generating region proposals and detecting objects via end-to-end training. Extensive experiments using a casting dataset demonstrate its promising performance compared to state-of-the-art approaches.

Citation Download Citation

Kai Yang, Zhiyi Sun, Anhong Wang, Ruizhen Liu, Liqun Liu, and Yin Wang "Cross-layer fusion feature network for material defect detection," Journal of Electronic Imaging 28(3), 033025 (8 June 2019). https://doi.org/10.1117/1.JEI.28.3.033025

Received: 21 February 2019; Accepted: 21 May 2019; Published: 8 June 2019

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