Object detection is a fundamental task in computer vision that involves identifying and localizing objects within an image.Local features extracted by convolutions,etc.,capture finegrained details such as edges and te...Object detection is a fundamental task in computer vision that involves identifying and localizing objects within an image.Local features extracted by convolutions,etc.,capture finegrained details such as edges and textures,while global features extracted by full connection layers,etc.,represent the overall structure and long-range relationships within the image.These features are crucial for accurate object detection,yet most existing methods focus on aggregating local and global features,often overlooking the importance of medium-range dependencies.To address this gap,we propose a novel full perception module(FPModule),a simple yet effective feature extraction module designed to simultaneously capture local details,medium-range dependencies,and long-range dependencies.Building on this,we construct a full perception head(FP-Head)by cascading multiple FP-Modules,enabling the prediction layer to leverage the most informative features.Experimental results in the MS COCO dataset demonstrate that our approach significantly enhances object recognition and localization,achieving 2.7−5.7 APval gains when integrated into standard object detectors.Notably,the FP-Module is a universal solution that can be seamlessly incorporated into existing detectors to boost performance.The code will be released at https://github.com/Idcogroup/FP-Head.展开更多
针对复杂海洋环境中存在背景噪声、海洋垃圾特征模糊和目标尺度小的检测挑战,本文提出一种基于改进CenterNet的海洋垃圾无锚检测算法——MG-CenterNet。引入GB(green-blue)注意力机制,通过关注海洋图像绿色、蓝色通道来增强特征提取;利...针对复杂海洋环境中存在背景噪声、海洋垃圾特征模糊和目标尺度小的检测挑战,本文提出一种基于改进CenterNet的海洋垃圾无锚检测算法——MG-CenterNet。引入GB(green-blue)注意力机制,通过关注海洋图像绿色、蓝色通道来增强特征提取;利用跨层特征聚合(cross-layer feature aggregation,CFA)模块丰富关键特征反馈,使模型获取更多像素级语义信息从而精准分类图像;构造完全交并比(complete intersection over union,CIoU)损失函数优化边界框匹配度,进一步提高目标定位精度。MG-CenterNet在TrashCan数据集和自建数据集上分别取得了77.98%和76.92%的平均精确率均值(mean average precision,m AP),推理速度分别达到27.18帧/s和26.98帧/s。研究结果证明MG-CenterNet在检测精度上显著优于其他算法,满足实时检测的要求。低对比度及遮挡条件下的验证实验进一步证明了所提出算法的鲁棒性和可靠性,为复杂环境中的海洋垃圾检测提供了科学参考。展开更多
基金supported by the National Natural Science Foundation of China(62371350,62171324,62471338,U1903214).
文摘Object detection is a fundamental task in computer vision that involves identifying and localizing objects within an image.Local features extracted by convolutions,etc.,capture finegrained details such as edges and textures,while global features extracted by full connection layers,etc.,represent the overall structure and long-range relationships within the image.These features are crucial for accurate object detection,yet most existing methods focus on aggregating local and global features,often overlooking the importance of medium-range dependencies.To address this gap,we propose a novel full perception module(FPModule),a simple yet effective feature extraction module designed to simultaneously capture local details,medium-range dependencies,and long-range dependencies.Building on this,we construct a full perception head(FP-Head)by cascading multiple FP-Modules,enabling the prediction layer to leverage the most informative features.Experimental results in the MS COCO dataset demonstrate that our approach significantly enhances object recognition and localization,achieving 2.7−5.7 APval gains when integrated into standard object detectors.Notably,the FP-Module is a universal solution that can be seamlessly incorporated into existing detectors to boost performance.The code will be released at https://github.com/Idcogroup/FP-Head.
文摘针对复杂海洋环境中存在背景噪声、海洋垃圾特征模糊和目标尺度小的检测挑战,本文提出一种基于改进CenterNet的海洋垃圾无锚检测算法——MG-CenterNet。引入GB(green-blue)注意力机制,通过关注海洋图像绿色、蓝色通道来增强特征提取;利用跨层特征聚合(cross-layer feature aggregation,CFA)模块丰富关键特征反馈,使模型获取更多像素级语义信息从而精准分类图像;构造完全交并比(complete intersection over union,CIoU)损失函数优化边界框匹配度,进一步提高目标定位精度。MG-CenterNet在TrashCan数据集和自建数据集上分别取得了77.98%和76.92%的平均精确率均值(mean average precision,m AP),推理速度分别达到27.18帧/s和26.98帧/s。研究结果证明MG-CenterNet在检测精度上显著优于其他算法,满足实时检测的要求。低对比度及遮挡条件下的验证实验进一步证明了所提出算法的鲁棒性和可靠性,为复杂环境中的海洋垃圾检测提供了科学参考。
