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Re-identifying beef cattle using improved AlignedReID++
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作者 YING Xiaoyi ZHAO Jizheng +7 位作者 YANG Lingling ZHOU Xinyi WANG Lei GAO Yannian ZAN Linsen YANG Wucai LIU Han SONG Huaibo 《农业工程学报》 EI CAS CSCD 北大核心 2024年第18期132-146,共15页
Accurate and continuous identification of individual cattle is crucial to precision farming in recent years.It is also the prerequisite to monitor the individual feed intake and feeding time of beef cattle at medium t... Accurate and continuous identification of individual cattle is crucial to precision farming in recent years.It is also the prerequisite to monitor the individual feed intake and feeding time of beef cattle at medium to long distances over different cameras.However,beef cattle can tend to frequently move and change their feeding position during feeding.Furthermore,the great variations in their head direction and complex environments(light,occlusion,and background)can also lead to some difficulties in the recognition,particularly for the bio-similarities among individual cattle.Among them,AlignedReID++model is characterized by both global and local information for image matching.In particular,the dynamically matching local information(DMLI)algorithm has been introduced into the local branch to automatically align the horizontal local information.In this research,the AlignedReID++model was utilized and improved to achieve the better performance in cattle re-identification(ReID).Initially,triplet attention(TA)modules were integrated into the BottleNecks of ResNet50 Backbone.The feature extraction was then enhanced through cross-dimensional interactions with the minimal computational overhead.Since the TA modules in AlignedReID++baseline model increased the model size and floating point operations(FLOPs)by 0.005 M and 0.05 G,the rank-1 accuracy and mean average precision(mAP)were improved by 1.0 percentage points and 2.94 percentage points,respectively.Specifically,the rank-1 accuracies were outperformed by 0.86 percentage points and 0.12 percentage points,respectively,compared with the convolution block attention module(CBAM)and efficient channel attention(ECA)modules,although 0.94 percentage points were lower than that of squeeze-and-excitation(SE)modules.The mAP metric values were exceeded by 0.22,0.86 and 0.12 percentage points,respectively,compared with the SE,CBAM,and ECA modules.Additionally,the Cross-Entropy Loss function was replaced with the CosFace Loss function in the global branch of baseline model.CosFace Loss and Hard Triplet Loss were jointly employed to train the baseline model for the better identification on the similar individuals.AlignedReID++with CosFace Loss was outperformed the baseline model by 0.24 and 0.92 percentage points in the rank-1 accuracy and mAP,respectively,whereas,AlignedReID++with ArcFace Loss was exceeded by 0.36 and 0.56 percentage points,respectively.The improved model with the TA modules and CosFace Loss was achieved in a rank-1 accuracy of 94.42%,rank-5 accuracy of 98.78%,rank-10 accuracy of 99.34%,mAP of 63.90%,FLOPs of 5.45 G,frames per second(FPS)of 5.64,and model size of 23.78 M.The rank-1 accuracies were exceeded by 1.84,4.72,0.76 and 5.36 percentage points,respectively,compared with the baseline model,part-based convolutional baseline(PCB),multiple granularity network(MGN),and relation-aware global attention(RGA),while the mAP metrics were surpassed 6.42,5.86,4.30 and 7.38 percentage points,respectively.Meanwhile,the rank-1 accuracy was 0.98 percentage points lower than TransReID,but the mAP metric was exceeded by 3.90 percentage points.Moreover,the FLOPs of improved model were only 0.05 G larger than that of baseline model,while smaller than those of PCB,MGN,RGA,and TransReID by 0.68,6.51,25.4,and 16.55 G,respectively.The model size of improved model was 23.78 M,which was smaller than those of the baseline model,PCB,MGN,RGA,and TransReID by 0.03,2.33,45.06,14.53 and 62.85 M,respectively.The inference speed of improved model on a CPU was lower than those of PCB,MGN,and baseline model,but higher than TransReID and RGA.The t-SNE feature embedding visualization demonstrated that the global and local features were achieve in the better intra-class compactness and inter-class variability.Therefore,the improved model can be expected to effectively re-identify the beef cattle in natural environments of breeding farm,in order to monitor the individual feed intake and feeding time. 展开更多
关键词 method identify beef cattle precision livestock re-identification AlignedReID++ deep learning
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The Research about A Regional Drought Identifying System Based on Dynamic Drought Index 被引量:1
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作者 王俊 胡继超 +1 位作者 袁学所 吴有华 《Meteorological and Environmental Research》 CAS 2010年第9期94-96,共3页
With the data of daily precipitation and daily evaporation,dynamic drought index was calculated and compared with the identification standard of drought grade to qualify the severity of drought.According to the dynami... With the data of daily precipitation and daily evaporation,dynamic drought index was calculated and compared with the identification standard of drought grade to qualify the severity of drought.According to the dynamic drought index,a regional drought identifying system was developed for the watershed between the reach of the Yangtze River and Huaihe River in Anhui Province by using VC++ working platform and Access database.This drought identifying system would be very useful to forecast and early warn the happening of drought in this area. 展开更多
关键词 Drought Index Drought identifying system Daily precipitation China
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Application of the wavelet packet and its energy spectrum to identify nugget splash during the aluminum alloys spot welding 被引量:3
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作者 罗震 单平 +3 位作者 胡绳荪 廉金瑞 易小林 薛伟峰 《China Welding》 EI CAS 2003年第2期98-102,共5页
Nugget splash during aluminum alloys spot welding has a detrimental effect on weld nugget integrity, strength and durability of the welded joints. This investigation is performed to identify nugget splash from voltage... Nugget splash during aluminum alloys spot welding has a detrimental effect on weld nugget integrity, strength and durability of the welded joints. This investigation is performed to identify nugget splash from voltage signals because these are easily accessible on-line. In the present work, we propose a novel method based on the wavelet packet transform and its energy spectrum for pattern recognition of splash signal. The result demonstrates that this novel method is more accuracy and a useful way of monitoring the spot welding quality. 展开更多
关键词 wavelet packet aluminum alloys spot welding energy spectrum identify splash
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A circular zone counting method of identifying a Duffing oscillator state transition and determining the critical value in weak signal detection 被引量:3
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作者 李梦平 许雪梅 +1 位作者 杨兵初 丁家峰 《Chinese Physics B》 SCIE EI CAS CSCD 2015年第6期192-197,共6页
Identifying state transition and determining the critical value of the Duffing oscillator are crucial to indicating external signal existence and have a great influence on detection accuracy in weak signal detection. ... Identifying state transition and determining the critical value of the Duffing oscillator are crucial to indicating external signal existence and have a great influence on detection accuracy in weak signal detection. A circular zone counting (CZC) method is proposed in this paper, by combining the Duffing oscillator's phase trajectory feature and numerical calculation for quickly and accurately identifying state transition and determining the critical value, to realize a high- efficiency weak signal detection. Detailed model analysis and method construction of the CZC method are introduced. Numerical experiments into the reliability of the proposed CZC method compared with the maximum Lyapunov exponent (MLE) method are carried out. The CZC method is demonstrated to have better detecting ability than the MLE method, and furthermore it is simpler and clearer in calculation to extend to engineering application. 展开更多
关键词 identifying state transition determining critical value Duffing oscillator circular zone countingmethod maximum Lyapunov exponent method
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THE QUASI-BOUNDARY VALUE METHOD FOR IDENTIFYING THE INITIAL VALUE OF THE SPACE-TIME FRACTIONAL DIFFUSION EQUATION 被引量:3
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作者 Fan YANG Yan ZHANG +1 位作者 Xiao LIU Xiaoxiao LI 《Acta Mathematica Scientia》 SCIE CSCD 2020年第3期641-658,共18页
In this article,we consider to solve the inverse initial value problem for an inhomogeneous space-time fractional diffusion equation.This problem is ill-posed and the quasi-boundary value method is proposed to deal wi... In this article,we consider to solve the inverse initial value problem for an inhomogeneous space-time fractional diffusion equation.This problem is ill-posed and the quasi-boundary value method is proposed to deal with this inverse problem and obtain the series expression of the regularized solution for the inverse initial value problem.We prove the error estimates between the regularization solution and the exact solution by using an a priori regularization parameter and an a posteriori regularization parameter choice rule.Some numerical results in one-dimensional case and two-dimensional case show that our method is efficient and stable. 展开更多
关键词 Space-time fractional diffusion equation Ill-posed problem quasi-boundary value method identifying the initial value
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Anterior segment optical coherence tomography for identifying muscle status in strabismus surgery 被引量:2
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作者 Brijesh Takkar Pradeep Sharma +1 位作者 Ashutosh Kummar Singh Pranita Sahay 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2016年第6期933-934,共2页
Anterior segment optical coherence tomography (AS-OCT) finds very few indications in the domain of strabismus surgery. Current applications remain restricted to determining limbus-muscle insertion distance and anter... Anterior segment optical coherence tomography (AS-OCT) finds very few indications in the domain of strabismus surgery. Current applications remain restricted to determining limbus-muscle insertion distance and anterior segment changes after strabismus surgery. We discuss two cases of operated strabismus surgery where AS-OCT imaging helped in identifying the operated eye and/or extra ocular muscles (EOM) and thus proved instrumental in planning and management. 展开更多
关键词 AS Anterior segment optical coherence tomography for identifying muscle status in strabismus surgery
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ADJACENT MARTIX METHOD OF IDENTIFYING ISOMORPHISM TO PLANAR KINEMATIC CHAIN WITH MULTIPLE JOINTS AND HIGHER PAIRS 被引量:2
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作者 SONG Li HUANG Yong CHENG Ling 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2006年第4期605-609,共5页
The adjacent matrix method for identifying isomorphism to planar kinematic chain with multiple joints and higher pairs is presented. The topological invariants of the planar kinematic chain can be calculated and compa... The adjacent matrix method for identifying isomorphism to planar kinematic chain with multiple joints and higher pairs is presented. The topological invariants of the planar kinematic chain can be calculated and compared by adjacent matrix. The quantity of calculation can be reduced effectively using the several divisions of bars and the reconfiguration of the adjacent matrix. As two structural characteristics of adjacent matrix, the number of division and division code are presented. It can be identified that two kinematic chains are isomorphic or not by comparing the structural characteristics of their adjacent matrixes using a method called matching row-to-row. This method may be applied to the planar linkage chain too. So, the methods of identifying isomorphism are unified in the planar kinematic chain that has or hasn't higher pairs with or without multiple joints. And it has some characters such as visual, simple and convenient for processing by computer, and so on. 展开更多
关键词 Planar kinematic chain Higher pair Multiple joint Adjacent matrix identifying isomorphism
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Discrete Methods Based on First Order Reversal Curves to Identify Preisach Model of Smart Materials
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作者 LI Fan ZHAO Jian-hui 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2007年第2期157-161,共5页
Preisach model is widely used in modeling of smart materials. Although first order reversal curves (FORCs) have often found applications in the fields of physics and geology, they are able to serve to identify Preis... Preisach model is widely used in modeling of smart materials. Although first order reversal curves (FORCs) have often found applications in the fields of physics and geology, they are able to serve to identify Preisach model. In order to clarify the relationship between the Preisach model and the first order reversal curves, this paper is directed towards: (1) giving the reason a first order reversal curve is introduced; (2) presenting, for identifying Preisach model, two discrete methods, which are analytically based on first order reversal curves. Herein also is indicated the solution's uniqueness of these two identifying methods. At last, the validity of these two methods is verified by simulating a real smart actuator both methods have been applied to. 展开更多
关键词 first order reversal curve Preisach model smart material DISCRETE identify
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Primary culture and identify of cerebral cortical astrocytes from Sprague-Dawley rats
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作者 ZHANG Hai-wei WU Chun-yang ZHANG Dan-shen 《中国药理学与毒理学杂志》 CAS CSCD 北大核心 2017年第5期486-486,共1页
OBJECTIVE To establish a method for primary cultured and iden-tified Sprague-Dawley(SD) rats cerebral cortical astrocytes. METHODS Cerebral co-rtex of SD neonatal rats within 24 h was taken with stereo microscope and ... OBJECTIVE To establish a method for primary cultured and iden-tified Sprague-Dawley(SD) rats cerebral cortical astrocytes. METHODS Cerebral co-rtex of SD neonatal rats within 24 h was taken with stereo microscope and was cut topieces(1 mm^3),digested by Accutase and 0.1% DNAase(37℃,15 min),anddispersed cell suspension was made by mechanical method and filtered. The fibroblast cells and microglia were removed through differential adhesion and sha-ke. Passaged cells were identified by immunofluorescent with anti-Glial fibrillaryacidic protein(GFAP) antibody. RESULTS The astrocytes of rats cerebral cortex were cultured in this method,which had a large number of cells,good activity,high purity,abundant and elongated cell processes,and were interwoven into a network,showing a typical and good growth state. The third generation of the cel s comprised >95% astrocytes. CONCLUSION This simple and reliable cultivation method of astrocyte from rat cerebral tissue is established with high purity,and in a good growth condition. 展开更多
关键词 ASTROCYTES primary culture identify
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A new method to identify and improve the purity of hybrid rice with herbicide resistant gene 被引量:3
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作者 HUANG Danian,ZHANG Shanging,XUE Rui,HUA Zhihua,XIU Xiaobo,and WANG Xiaoling,CNRRI,Hangzhou 310006,China 《Chinese Rice Research Newsletter》 1998年第1期1-1,共1页
There is a close relationship between the hy—brid rice production and seed purity.Two-linehybrid rice with higher heterosis is producedthrough the hybridization between a photo-thermo sensitive genetic male sterile(G... There is a close relationship between the hy—brid rice production and seed purity.Two-linehybrid rice with higher heterosis is producedthrough the hybridization between a photo-thermo sensitive genetic male sterile(GMS) rice line and a paternal variety.But the fertili- 展开更多
关键词 A new method to identify and improve the purity of hybrid rice with herbicide resistant gene
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Kalman filter of the force signal of identifying weld seam in remote teaching
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作者 刘立君 朱荣华 +2 位作者 张广军 高洪明 吴林 《China Welding》 EI CAS 2008年第2期58-62,共5页
For reasons of the vibration of robot, the rough surface of weld seam and electromagnetic disturbance of welding machine, the force signals of identifying weld seam become unstable. The position error of remote teachi... For reasons of the vibration of robot, the rough surface of weld seam and electromagnetic disturbance of welding machine, the force signals of identifying weld seam become unstable. The position error of remote teaching point is too big to meet teaching requirements in remote welding. The force signals of identifying weld seam can be filtered by Kalman. The force signals of identifying weld seam of next teaching point is accurately predicted according to predicting algorithms, such as the equation of the state, the equation of the observation, the gain matrix of the filter and the covariance matrix of predicting state. The experimental results show that the precision of identifying weld seam is improved by Kalman.filter. 展开更多
关键词 remote teaching Kalman filter identifying weld seam force signal
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ID-TIMS U-Pb Geochronology of the Tayatea Dyke Swarm of Australia: Identifying Tasmania's Nearest Neighbours in the Proterozoic
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作者 Charmaine MCGREGOR Steven DENYSZYN +3 位作者 Galen HALVERSON John EVERARD Grace CUMMING Clive CALVER 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2016年第S1期38-,共1页
The Tayatea Dyke Swarm(also known as the Tayatea Dolerite)comprises well-exposed northeast-trending tholeiitic dykes that intrude the Rocky Cape Group(RCG)of northwest Tasmania,Australia.The dykes commonly
关键词 TIMS PB identifying Tasmania’s Nearest Neighbours in the Proterozoic ID-TIMS U-Pb Geochronology of the Tayatea Dyke Swarm of Australia
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Identifying New Rhythms in Sino-US Relations
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作者 Yuan Peng 《Contemporary International Relations》 2018年第6期1-4,共4页
2018 marks the 40 th anniversary of China's reform and opening up,and also the 40 th anniversary of the establishment of China-US diplomatic ties.On December 16,1978,the Chinese and American governments published ... 2018 marks the 40 th anniversary of China's reform and opening up,and also the 40 th anniversary of the establishment of China-US diplomatic ties.On December 16,1978,the Chinese and American governments published the Joint Communiqué of the People's Republic of China and the United States of America.Nearly at the same time,the 11th Central Committee of the Communist Party of China held its third plenary session in Beijing between December 18 and 22,1978.This was no coincidence: Sino-US relations are an issue integral to China's development. 展开更多
关键词 identifying RHYTHMS RELATIONS
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A NEW PROBE FOR IDENTIFYING PROPERTIES OF SUPPORTED METAL AND METAL OXIDE CATALYSTS
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作者 Shao Ming HUANG Bing Lin HE Institute of Polymer Chemistry,Nankai University Tianjin 300071 《Chinese Chemical Letters》 SCIE CAS CSCD 1991年第9期703-706,共4页
A novel molecular probe for identifying properties of supported transition metals and metal oxides catalysts was established.The catalytic mechanism of transition metals was proposed.
关键词 COH TR A NEW PROBE FOR identifyING PROPERTIES OF SUPPORTED METAL AND METAL OXIDE CATALYSTS
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Integrating Geochemical and Geophysical Method in Coexistence of Oil and Potassium to Identify K-rich Brine:Research and Application in Southwestern Sichuan
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作者 CHEN Kegui HUANG Changbing +1 位作者 LIU Li XU Xiaoxiang 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2014年第S1期204-204,共1页
Lithology of Triassic in southwestern Sichuan is consistent with the whole basin,and there is no discussion about stratum division,the difference is stratum denudation which is made by the uplifting of Luzhou uplift,e... Lithology of Triassic in southwestern Sichuan is consistent with the whole basin,and there is no discussion about stratum division,the difference is stratum denudation which is made by the uplifting of Luzhou uplift,especially 展开更多
关键词 Integrating Geochemical and Geophysical Method in Coexistence of Oil and Potassium to identify K-rich Brine
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Challenges and opportunities identifying therapeutic targets for chemotherapy-induced peripheral neuropathy resulting from oxidative DNA damage
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作者 Mark R.Kelley Jill C.Fehrenbacher 《Neural Regeneration Research》 SCIE CAS CSCD 2017年第1期72-74,共3页
Background on chemotherapy-induced peripheral neuropathy(CIPN)Incidence,prevalence,and consequences:Up to 90%of cancer patients experience CIPN at some point during or after anticancer treatment(Seretny et al.,201... Background on chemotherapy-induced peripheral neuropathy(CIPN)Incidence,prevalence,and consequences:Up to 90%of cancer patients experience CIPN at some point during or after anticancer treatment(Seretny et al.,2014). 展开更多
关键词 neuropathy chemotherapy consequences anticancer identifying oxidative prevalence DNA incidence repair
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1-30 Using X(3823)->J= +.. to Identify Coupled-channel Effects
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作者 Susana Coito Wang Bo +3 位作者 Xu Hao Liu Xiang Chen Dianyong E. Eichten 《IMP & HIRFL Annual Report》 2015年第1期40-40,共1页
Very recently, the Belle and BESIII experiments observed a new charmonium-like state X(3823), which is a good candidate for the D-wave charmonium (13D2). Because the X(3823) is just near the DˉD threshold, the decay... Very recently, the Belle and BESIII experiments observed a new charmonium-like state X(3823), which is a good candidate for the D-wave charmonium (13D2). Because the X(3823) is just near the DˉD threshold, the decay X(3823) ! J= +?? can be a golden channel to test the significance of coupled-channel effects. In this work[1], this decay is considered including both the hidden-charm dipion and the usual quantum chromodynamics multipole expansion (QCDME) contributions. 展开更多
关键词 identify COUPLED-CHANNEL EFFECTS
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Scientists Identify Different Developmental Trajectories for Individuals with Schizotypal Traits
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《Bulletin of the Chinese Academy of Sciences》 2017年第3期191-191,共1页
Schizotypy,defined as the personality organization underlying schizophrenia and other related mental disorders,is a critical construct for a broad range of scientific disciplines.Because schizotypy can be psychometric... Schizotypy,defined as the personality organization underlying schizophrenia and other related mental disorders,is a critical construct for a broad range of scientific disciplines.Because schizotypy can be psychometrically identified in the general population,investigating schizotypy may provide a unique 展开更多
关键词 Scientists identify Different Developmental Trajectories for Individuals with Schizotypal Traits
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How to identify long-term changes in groundwater caused by human activities
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《Global Geology》 1998年第1期101-101,共1页
关键词 How to identify long-term changes in groundwater caused by human activities
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Identifying Chinese Suppliers in a Competitive Market
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作者 Walter Ruigu 《ChinAfrica》 2015年第8期44-44,共1页
This month's column highlights what African businesspeople should be aware of when looking to find Chinese suppliers by giving prominence to identifying the most respected companies in each market.
关键词 identifying Chinese Suppliers in a Competitive Market
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