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Large Span Sizes and Irregular Shapes Target Detection Methods Using Variable Convolution-Improved YOLOv8
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DOI：10.3390/s24082560.png)
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摘要
En 中文
In this work, an object detection method using variable convolution-improved YOLOv8 is proposed to solve the problem of low accuracy and low efficiency in detecting spanning and irregularly shaped samples. Aiming at the problems of the irregular shape of a target, the low resolution of labeling frames, dense distribution, and the ease of overlap, a deformable convolution module is added to the original backbone network. This allows the model to deal flexibly with the problem of the insufficient perceptual field of the target corresponding to the detection point, and the situations of leakage and misdetection can be effectively improved. In order to solve the issue that small target detection is susceptible to image background and noise interference, the Sim-AM (simple parameter-free attention mechanism) module is added to the backbone network of YOLOv8, which enhances the attention to the underlying features and, thus, improves the detection accuracy of the model. More importantly, the Sim-AM module does not need to add parameters to the original network, which reduces the computation of the model. To address the problem of complex model structures that can lead to slower detection, the spatial pyramid pooling of the backbone network is replaced with focal modulation networks, which greatly simplifies the computation process. The experimental validation was carried out on the scrap steel dataset containing a large number of targets of multiple shapes and sizes. The results showed that the improved YOLOv8 network model improves the AP (average precision) by 2.1%, the mAP (mean average precision value) by 0.8%, and reduces the FPS (frames per second) by 5.4, which meets the performance requirements of real-time industrial inspection.
Keyword:
small object
classification
improved YOLOv8
steel scrap
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期刊
IF:
3.5
论文数:
7.2W
被引数:
20.9W
机构
引用论文
Transfer learning improves the prediction performance of a LIBS model for metals with an irregular surface by effectively correcting the physical matrix effect通过有效地校正物理矩阵效应，迁移学习提高了LIBS模型对不规则表面金属的预测性能
PREAI
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PATTERN RECOGNITION
PATTERN RECOGNITIONIF7.6
PREAI
分享收藏MBAB-YOLO: A Modified Lightweight Architecture for Real-Time Small Target DetectionMbab-yolo: 一种改进的轻量级实时小目标检测体系结构IEEE ACCESS
OAAI
IEEE ACCESSIF3.6
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