Automatic weed identification and detection are crucial for precision weeding operations.In recent years,deep learning(DL)has gained widespread attention for its potential in crop weed identification.This paper provid...Automatic weed identification and detection are crucial for precision weeding operations.In recent years,deep learning(DL)has gained widespread attention for its potential in crop weed identification.This paper provides a review of the current research status and development trends of weed identification in crop fields based on DL.Through an analysis of relevant literature from both within and outside of China,the author summarizes the development history,research progress,and identification and detection methods of DL-based weed identification technology.Emphasis is placed on data sources and DL models applied to different technical tasks.Additionally,the paper discusses the challenges of time-consuming and laborious dataset preparation,poor generality,unbalanced data categories,and low accuracy of field identification in DL for weed identification.Corresponding solutions are proposed to provide a reference for future research directions in weed identification.展开更多
The feasibility of magnetization treatment,using neodymium magnets,for blueberry wine ageing was investigated.Two magnetization ageing devices with different operating modes(M1,circulation between two tanks;M2,single-...The feasibility of magnetization treatment,using neodymium magnets,for blueberry wine ageing was investigated.Two magnetization ageing devices with different operating modes(M1,circulation between two tanks;M2,single-tank circulation)were used to treat new blueberry wine.Changes in the basic characteristics,phenolic substances,antioxidant capacity,and sensory properties were evaluated.The magnetization treatment induced a faster change in the basic characteristics of the wine compared to that of the control.The magnetized blueberry wine showed higher total phenol content,antioxidant capacity,and more volatile compounds.Sensory evaluation showed that the quality of blueberry wine was improved during magnetization ageing.Moreover,the positive influence of the M1 mode on the aforementioned properties was greater than that of the M2 mode.However,when the treatment time was more than 8 weeks,the antioxidant capacity,color,and sensory evaluation of the magnetized blueberry wine were worse than those of the control.These results proved that magnetization treatment could significantly accelerate the early ageing process of blueberry wine.The effect of M1 on the ageing process was better than M2.展开更多
基金supported by the Top Talents Program for One Case,One Discussion of Shandong Province([2018]27 of the Shandong Provincial Government Office)Natural Science Foundation of Shandong Province(Grant No.ZR2021 QC154)the international cooperation project of the China Scholarship Council for cultivating innovative talents(Grant No.202201040005).
文摘Automatic weed identification and detection are crucial for precision weeding operations.In recent years,deep learning(DL)has gained widespread attention for its potential in crop weed identification.This paper provides a review of the current research status and development trends of weed identification in crop fields based on DL.Through an analysis of relevant literature from both within and outside of China,the author summarizes the development history,research progress,and identification and detection methods of DL-based weed identification technology.Emphasis is placed on data sources and DL models applied to different technical tasks.Additionally,the paper discusses the challenges of time-consuming and laborious dataset preparation,poor generality,unbalanced data categories,and low accuracy of field identification in DL for weed identification.Corresponding solutions are proposed to provide a reference for future research directions in weed identification.
基金supported by National Natural Science Foundation of China[31772011].
文摘The feasibility of magnetization treatment,using neodymium magnets,for blueberry wine ageing was investigated.Two magnetization ageing devices with different operating modes(M1,circulation between two tanks;M2,single-tank circulation)were used to treat new blueberry wine.Changes in the basic characteristics,phenolic substances,antioxidant capacity,and sensory properties were evaluated.The magnetization treatment induced a faster change in the basic characteristics of the wine compared to that of the control.The magnetized blueberry wine showed higher total phenol content,antioxidant capacity,and more volatile compounds.Sensory evaluation showed that the quality of blueberry wine was improved during magnetization ageing.Moreover,the positive influence of the M1 mode on the aforementioned properties was greater than that of the M2 mode.However,when the treatment time was more than 8 weeks,the antioxidant capacity,color,and sensory evaluation of the magnetized blueberry wine were worse than those of the control.These results proved that magnetization treatment could significantly accelerate the early ageing process of blueberry wine.The effect of M1 on the ageing process was better than M2.
