包装箱是商品流通过程中的重要保障之一,针对跨国运输的外贸工艺品,确保外包装纸箱外观整洁无破损、变形和污渍是极其必要的。文章提出了一种全新的包装箱缺陷检测解决方案,将目标检测技术应用于国内外贸物流仓库;通过在物流仓库进行实...包装箱是商品流通过程中的重要保障之一,针对跨国运输的外贸工艺品,确保外包装纸箱外观整洁无破损、变形和污渍是极其必要的。文章提出了一种全新的包装箱缺陷检测解决方案,将目标检测技术应用于国内外贸物流仓库;通过在物流仓库进行实际考察拍摄,自制数据集,分别训练YOLOx、YOLOv4、YOLOv5模型。通过检测结果对比得出,YOLOv5为检测效果最准确、效率最高的模型,平均精度均值(Mean Average Precision,mAP)为90.3%,平均精度(Average Precision,AP)值最大,每秒检测帧数(Frames Per Second,FPS)值可满足实际应用需求。展开更多
Based on the data of outcrop,core,logging,gas testing,and experiments,the natural gas accumulation and aluminous rock mineralization integrated research was adopted to analyze the controlling factors of aluminous rock...Based on the data of outcrop,core,logging,gas testing,and experiments,the natural gas accumulation and aluminous rock mineralization integrated research was adopted to analyze the controlling factors of aluminous rock series effective reservoirs in the Ordos Basin,NW China,as well as the configuration of coal-measure source rocks and aluminous rock series reservoirs.A natural gas accumulation model was constructed to evaluate the gas exploration potential of aluminous rock series under coal seam in the basin.The effective reservoirs of aluminous rock series in the Ordos Basin are composed of honeycomb-shaped bauxites with porous residual pisolitic and detrital structures,with the diasporite content of greater than 80%and dissolved pores as the main storage space.The bauxite reservoirs are formed under a model that planation controls the material supply,karst paleogeomorphology controls diagenesis,and land surface leaching improves reservoir quality.The hot humid climate and sea level changes in the Late Carboniferous–Early Permian dominated the development of a typical coal-aluminum-iron three-stage stratigraphic structure.The natural gas generated by the extensive hydrocarbon generation of coal-measure source rocks was accumulated in aluminous rock series under the coal seam,indicating a model of hydrocarbon accumulation under the source.During the Upper Carboniferous–Lower Permian,the relatively low-lying area on the edge of an ancient land or island in the North China landmass was developed.The gas reservoirs of aluminous rock series,which are clustered at multiple points in lenticular shape,are important new natural gas exploration fields with great potential in the Upper Paleozoic of North China Craton.展开更多
文摘包装箱是商品流通过程中的重要保障之一,针对跨国运输的外贸工艺品,确保外包装纸箱外观整洁无破损、变形和污渍是极其必要的。文章提出了一种全新的包装箱缺陷检测解决方案,将目标检测技术应用于国内外贸物流仓库;通过在物流仓库进行实际考察拍摄,自制数据集,分别训练YOLOx、YOLOv4、YOLOv5模型。通过检测结果对比得出,YOLOv5为检测效果最准确、效率最高的模型,平均精度均值(Mean Average Precision,mAP)为90.3%,平均精度(Average Precision,AP)值最大,每秒检测帧数(Frames Per Second,FPS)值可满足实际应用需求。
基金Supported by the PetroChina Science and Technology Major Project(2021DJ2101).
文摘Based on the data of outcrop,core,logging,gas testing,and experiments,the natural gas accumulation and aluminous rock mineralization integrated research was adopted to analyze the controlling factors of aluminous rock series effective reservoirs in the Ordos Basin,NW China,as well as the configuration of coal-measure source rocks and aluminous rock series reservoirs.A natural gas accumulation model was constructed to evaluate the gas exploration potential of aluminous rock series under coal seam in the basin.The effective reservoirs of aluminous rock series in the Ordos Basin are composed of honeycomb-shaped bauxites with porous residual pisolitic and detrital structures,with the diasporite content of greater than 80%and dissolved pores as the main storage space.The bauxite reservoirs are formed under a model that planation controls the material supply,karst paleogeomorphology controls diagenesis,and land surface leaching improves reservoir quality.The hot humid climate and sea level changes in the Late Carboniferous–Early Permian dominated the development of a typical coal-aluminum-iron three-stage stratigraphic structure.The natural gas generated by the extensive hydrocarbon generation of coal-measure source rocks was accumulated in aluminous rock series under the coal seam,indicating a model of hydrocarbon accumulation under the source.During the Upper Carboniferous–Lower Permian,the relatively low-lying area on the edge of an ancient land or island in the North China landmass was developed.The gas reservoirs of aluminous rock series,which are clustered at multiple points in lenticular shape,are important new natural gas exploration fields with great potential in the Upper Paleozoic of North China Craton.
