Infrared small target detection is a common task in infrared image processing.Under limited computa⁃tional resources.Traditional methods for infrared small target detection face a trade-off between the detection rate ...Infrared small target detection is a common task in infrared image processing.Under limited computa⁃tional resources.Traditional methods for infrared small target detection face a trade-off between the detection rate and the accuracy.A fast infrared small target detection method tailored for resource-constrained conditions is pro⁃posed for the YOLOv5s model.This method introduces an additional small target detection head and replaces the original Intersection over Union(IoU)metric with Normalized Wasserstein Distance(NWD),while considering both the detection accuracy and the detection speed of infrared small targets.Experimental results demonstrate that the proposed algorithm achieves a maximum effective detection speed of 95 FPS on a 15 W TPU,while reach⁃ing a maximum effective detection accuracy of 91.9 AP@0.5,effectively improving the efficiency of infrared small target detection under resource-constrained conditions.展开更多
Rice dwarf disease caused by rice dwarf virus （RDV） is one of the major rice virus diseases in China,which widely distributes in the rice area of China.A simple and rapid method for detection of RDV in rice plants a...Rice dwarf disease caused by rice dwarf virus （RDV） is one of the major rice virus diseases in China,which widely distributes in the rice area of China.A simple and rapid method for detection of RDV in rice plants and Nephotettix cincticeps was investigated in this study,and the whole detection only lasted for 20 min.After diseased leaves of rice （10 mg） and leaves of Nephotettix cincticeps （10 mg） both infected by RDV were ground by sterile water （100 μl）,the supernatant was analyzed by 1% agarose gel electrophoresis to steadily detect five specific electrophoretic bands with 1 000 bp to 5 000 bp.However,there was no electrophoretic band in the healthy rice leaves and aqueous extract of non-viruliferous N.cincticeps.Therefore,this method was more rapid and simple to detect RDV in rice plants and Nephotettix cincticeps,which avoided expensive reagents and tedious steps of conventional serological testing and molecular detection （RT-PCR and Western-blot）.展开更多
文摘Infrared small target detection is a common task in infrared image processing.Under limited computa⁃tional resources.Traditional methods for infrared small target detection face a trade-off between the detection rate and the accuracy.A fast infrared small target detection method tailored for resource-constrained conditions is pro⁃posed for the YOLOv5s model.This method introduces an additional small target detection head and replaces the original Intersection over Union(IoU)metric with Normalized Wasserstein Distance(NWD),while considering both the detection accuracy and the detection speed of infrared small targets.Experimental results demonstrate that the proposed algorithm achieves a maximum effective detection speed of 95 FPS on a 15 W TPU,while reach⁃ing a maximum effective detection accuracy of 91.9 AP@0.5,effectively improving the efficiency of infrared small target detection under resource-constrained conditions.
文摘Rice dwarf disease caused by rice dwarf virus （RDV） is one of the major rice virus diseases in China,which widely distributes in the rice area of China.A simple and rapid method for detection of RDV in rice plants and Nephotettix cincticeps was investigated in this study,and the whole detection only lasted for 20 min.After diseased leaves of rice （10 mg） and leaves of Nephotettix cincticeps （10 mg） both infected by RDV were ground by sterile water （100 μl）,the supernatant was analyzed by 1% agarose gel electrophoresis to steadily detect five specific electrophoretic bands with 1 000 bp to 5 000 bp.However,there was no electrophoretic band in the healthy rice leaves and aqueous extract of non-viruliferous N.cincticeps.Therefore,this method was more rapid and simple to detect RDV in rice plants and Nephotettix cincticeps,which avoided expensive reagents and tedious steps of conventional serological testing and molecular detection （RT-PCR and Western-blot）.
