针对鱼类目标检测存在精度低和计算量大的问题,提出了一种基于改进YOLOv8模型的轻量化鱼类目标检测方法YOLOv8-FCW。首先,引入FasterNet中的FasterBlock替换YOLOv8中C2f模块的Bottleneck结构,减少网络模型的冗余计算;其次,引入注意力机...针对鱼类目标检测存在精度低和计算量大的问题,提出了一种基于改进YOLOv8模型的轻量化鱼类目标检测方法YOLOv8-FCW。首先,引入FasterNet中的FasterBlock替换YOLOv8中C2f模块的Bottleneck结构,减少网络模型的冗余计算;其次,引入注意力机制CBAM(Convolutional Block Attention Module),实现高效提取鱼体特征,提升网络模型检测精度;最后,引入动态非单调聚焦机制WIoU(Wise Intersection over Union)替代CIoU(Complete Intersection over Union),加快网络模型的收敛速度,提升网络模型的检测性能。结果显示,与原模型相比,改进YOLOv8-FCW模型精确率提升了1.6个百分点,召回率提升了5.1个百分点,平均精确率均值提升了2.4个百分点,权重和计算量分别减少为原模型的80%和79%。该模型具有较高的精确率和较强的鲁棒性,能够帮助养殖者精确计算鱼群数量,提高养殖效率。展开更多
The fly ash from two municipal solid waste incineration plants in Shanghai was treated by the self-developed organic composite chelating agent. The results indicated that the stabilization effect of Pb in the fly ash ...The fly ash from two municipal solid waste incineration plants in Shanghai was treated by the self-developed organic composite chelating agent. The results indicated that the stabilization effect of Pb in the fly ash by the composite chelating agent was the best,and the proportions of its easily leaching form in the two kinds of fly ash decreased from 29. 60% and 27. 49% to 3. 05% and 0. 29% respectively. The leaching toxicity of stabilized fly ash was lower than the limits of Standard for Pollution Control on the Landfill Site of Municipal Solid Waste（ GB 16889- 2008）,so it can be landfilled separately in the landfill site of municipal solid waste.展开更多
文摘针对鱼类目标检测存在精度低和计算量大的问题,提出了一种基于改进YOLOv8模型的轻量化鱼类目标检测方法YOLOv8-FCW。首先,引入FasterNet中的FasterBlock替换YOLOv8中C2f模块的Bottleneck结构,减少网络模型的冗余计算;其次,引入注意力机制CBAM(Convolutional Block Attention Module),实现高效提取鱼体特征,提升网络模型检测精度;最后,引入动态非单调聚焦机制WIoU(Wise Intersection over Union)替代CIoU(Complete Intersection over Union),加快网络模型的收敛速度,提升网络模型的检测性能。结果显示,与原模型相比,改进YOLOv8-FCW模型精确率提升了1.6个百分点,召回率提升了5.1个百分点,平均精确率均值提升了2.4个百分点,权重和计算量分别减少为原模型的80%和79%。该模型具有较高的精确率和较强的鲁棒性,能够帮助养殖者精确计算鱼群数量,提高养殖效率。
基金Supported by the Project of Shangai State-owned Assets Supervision and Administration Commission(2013019)Project of Shanghai Science and Technology Commission(13231201901)+1 种基金Innovation Foundation of Shanghai Science and Technology Commission(11231200200)Special Project for Zhangjiang High-tech Park in Shanghai(201505-HP-C104-005)
文摘The fly ash from two municipal solid waste incineration plants in Shanghai was treated by the self-developed organic composite chelating agent. The results indicated that the stabilization effect of Pb in the fly ash by the composite chelating agent was the best,and the proportions of its easily leaching form in the two kinds of fly ash decreased from 29. 60% and 27. 49% to 3. 05% and 0. 29% respectively. The leaching toxicity of stabilized fly ash was lower than the limits of Standard for Pollution Control on the Landfill Site of Municipal Solid Waste（ GB 16889- 2008）,so it can be landfilled separately in the landfill site of municipal solid waste.
