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Detecting slowlymoving infrared targets using temporal filtering and association strategy Article

Jing-li GAO,Cheng-lin WEN,Zhe-jing BAO,Mei-qin LIU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 11,   Pages 1176-1185 doi: 10.1631/FITEE.1601203

Abstract: containing only a few pixels, shapeless edge, low signal-to-clutter ratio, and low speed, make their detectionTo cope with this problem, we propose an effective infrared target detection algorithm based on temporaltarget detection and association strategy.First, a temporal target detection model is developed to segment the interested targets.., temporal filtering, temporal target fusion, and cross-product filtering.

Keywords： Temporal target detection     Slowly moving targets     Graph matching     Target association    

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Moving target detection in the cepstrum domain for passive coherent location (PCL) radar

Ji-chuan LI,Xiao-de LU,Hui ZHANG,Peng-cheng YANG,Yu LIU,Mao-sheng XIANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9,   Pages 785-795 doi: 10.1631/FITEE.1500036

Abstract: A cepstrum moving target detection (CEPMTD) algorithm based on cepstrum techniques is proposed for passiveThe primary cepstrum techniques are of great success in recognizing the arrival times of static targetBased on the CEPMTD outlined above, an improved CEPMTD algorithm is proposed to improve the detectionTheoretical analyses show that only the target’s peak can be coherently added.The simulation results show that the detection performance of the improved CEPMTD algorithm is 13.3 dB

Keywords： Moving target detection     Cepstrum techniques     Cross ambiguity function (CAF)     Passive coherent location    

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Amodified variable rate particle filter for maneuvering target tracking

Yun-fei GUO,Kong-shuai FAN,Dong-liang PENG,Ji-an LUO,Han SHENTU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 11,   Pages 985-994 doi: 10.1631/FITEE.1500149

Abstract: To address the problem of maneuvering target tracking, where the target trajectory has prolonged smoothCompared with conventional variable rate models, the proposed model does not need any prior knowledge of targetSecond, a maneuvering detection strategy is adopted to adaptively adjust the parameters in MVRPF, which

Keywords： Maneuvering target tracking     Prolonged smooth regions     Variable rate model     Maneuver detection    

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A multi-sensor-system cooperative scheduling method for ground area detection and target tracking Research Article

Yunpu ZHANG, Qiang FU, Ganlin SHAN

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 2,   Pages 245-258 doi: 10.1631/FITEE.2200121

Abstract: First, an model was built, and the method of calculating the detection risk was proposed to quantifythe detection benefits in scheduling.Finally, an objective function was developed which considers the requirements of detection, tracking,

Keywords： Sensor scheduling     Area detection     Target tracking     Road constraints     Doppler blind zone    

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array of two periodic leaky-wave antennas with sum and difference beam scanning for application in targetdetection and tracking Research Article

Mianfeng HUANG, Juhua LIU,liujh33@mail.sysu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 4,   Pages 567-581 doi: 10.1631/FITEE.2200473

Abstract: An array of two periodic leaky-wave s (LWAs) with scanning is proposed for application in . The array is composed of two periodic LWAs with different periods, in which each LWA generates a narrow beam through the =-1 space harmonic. Due to the two different periods for the two LWAs, two beams with two different directions can be realized, which can be combined into a sum beam when the array is fed in phase or into a difference beam when the array is fed 180° out of phase. The array integrated with 180° hybrid is designed, fabricated, and measured. Measurement results show that the sum beam can reach a gain up to 15.9 dBi and scan from -33.4° to 20.8°. In the scanning range, the direction of the null in the difference beam is consistent with the direction of the sum beam, with the lowest null depth of -40.8 dB. With the excellent performance, the provides an alternative solution with low complexity and low cost for .

Keywords： Antenna     Leaky-wave antenna (LWA)     Substrate-integrated waveguide (SIW)     Sum and difference beam     Targetdetection and tracking    

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A Video Scan Format Conversation Algorithm Based onSpatio-temporal Weight and Edge Direction

Ding Yong,Lu Shengli,Shi Longxing

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 49-54

Abstract:  In this paper,  a de-interlacing algorithm based on spatio-temporal weight and edge direction It consists of motion detection,  low-angle edge detection,  and spatio-temporal weight The proposed method using spatio-temporal adaptive interpolation can obtain quite good display

Keywords： scan format conversation     motion estimation     edge detection     spatio-temporal adaptive interpolation    

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Marine target detection based on Marine-Faster R-CNN for navigation radar plane position indicator images Research Article

Xiaolong CHEN, Xiaoqian MU, Jian GUAN, Ningbo LIU, Wei ZHOU,cxlcxl1209@163.com,guanjian_68@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 630-643 doi: 10.1631/FITEE.2000611

Abstract: As a classic deep learning target detection algorithm, Faster R-CNN (region convolutional neural networkhas been widely used in high-resolution synthetic aperture radar (SAR) and inverse SAR (ISAR) image detectiondetection, data sample balance, and scale normalization.was used to collect echo data under different conditions to build a marine target dataset.method is more accurate and robust, has stronger generalization ability, and can be applied to the detection

Keywords： Marine target detection     Navigation radar     Plane position indicator (PPI) images     Convolutional neural    

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Feasibility study of the transient electromagnetic method for chamber blasting misfire detection and

Liu Liansheng,Liang Longhua,Wu Jiyang, Jiao Yongbin,Lu Zhexiang

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 107-112

Abstract: text-align: justify;">Application of transient electromagnetic method, carries on the cavern blasting blind detectionpreset the change of the conductive body eddy current field, realizes the cavern blasting blind shot detectionThe test results show that the target when the aluminum box buried depth of no more than 30 m, transient

Keywords： Transient electromagnetic methods     Chamber blasting     Misfire detection and identification     Eddy currentfield     Target。    

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Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 401-413 doi: 10.1007/s11709-022-0823-3

Abstract: This paper proposes a real-time predictive model of TBM advance rate using the temporal convolutional

Keywords： hard rock tunnel     tunnel bore machine advance rate prediction     temporal convolutional networks     soft    

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Temporal trend of mortality from major cancers in Xuanwei, China

Hualiang Lin,Bofu Ning,Jihua Li,Guangqiang Zhao,Yunchao Huang,Linwei Tian

Frontiers of Medicine 2015, Volume 9, Issue 4,   Pages 487-495 doi: 10.1007/s11684-015-0413-z

Abstract: This study aimed to investigate the temporal trend of eight major cancers in Xuanwei County using dataThe temporal trend could be partly explained by changes in risk factors, but it also may be due to theFurther epidemiological studies are warranted to systematically examine the underlying reasons for the temporal

Keywords： cancer     mortality     Xuanwei     temporal trend    

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The temporal changes of the concentration level of typical toxic organics in the river sediments around

Qiang Li, Xiong Xu, Yaoyao Fang, Ruiyang Xiao, Donghong Wang, Wenjue Zhong

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1054-7

Abstract:

The current situation of typical organics in the sediments around Beijing was unclear.

56 kinds of typical toxic organics were detected in this article.

Historical data was compared with the data in this study.

The change of different organics in the sediments around Beijing was concluded.

Keywords： Organic compounds     Endocrine disrupters     Sediments     Concentration     Temporal changes    

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Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 649-664 doi: 10.1007/s11783-014-0702-9

Abstract: to analyze the water quality status of Yuqiao Reservoir Basin, North China, for assessing its spatio-temporalaffecting spatial variations, and Temp, pH and NO -N were identified as significant variables affecting temporal

Keywords： Fuzzy comprehensive assessment     multivariate statistical analysis     water quality    

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The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 269-278 doi: 10.1007/s11783-014-0672-y

Abstract: Soil moisture variability in natural landscapes has been widely studied; however, less attention has been paid to its variability in the urban landscapes with respect to the possible influence of texture stratification and irrigation management. Therefore, a case study was carried out in the Beijing Olympic Forest Park to continuously monitor the soil in three typical profiles from 26 April to 11 November 2010. The texture stratification significantly affected the vertical distribution of moisture in the non-irrigated profile where moisture was mostly below field capacity. In the profile where irrigation was sufficient to maintain moisture above field capacity, gravity flow led to increased moisture with depth and thus eliminated the influence of texture. In the non-irrigated sites, the upper layer (above 80 cm) exhibited long-term moisture persistence with the time scale approximating the average rainfall interval. However, a coarse-textured layer weakened the influence of rainfall, and a fine-textured layer weakened the influence of evapotranspiration, both of which resulted in random noise-like moisture series in the deeper layers. At the irrigated site, frequent irrigation neutralized the influence of evapotranspiration in the upper layer (above 60 cm) and overshadowed the influence of rainfall in the deeper layer. As a result, the moisture level in the upper layer also behaved as a random noise-like series; whereas due to deep transpiration, the moisture of the deep layer had a persistence time-scale longer than a month, consistent with characteristic time-scales found for deep transpiration.

Keywords： moisture vertical distribution     moisture temporal variation     texture stratification     irrigation     meteorological    

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Spatial and Temporal Distribution of PM

Xiao-hong Chen,Xiang-bo Tang

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 171-181 doi: 10.15302/J-FEM-2016017

Abstract: Utilizing the initial hourly monitoring data of PM concentrations at 23 monitoring sites across the Chang-Zhu-Tan city cluster between January 2013 and February 2014 that released in Real-time Air Quality Reporting System in Hunan Province, this paper draws diagrams and analyzes the change rule of the pollutants concentration over time. In addition, this paper studies the regional distribution of PM seasonal pollution in the vicinity of the monitoring sites using ArcGIS geographic information system with the Kriging interpolation method. On this basis, this paper puts forward some effective control strategies to cope with regional PM pollution combined with the information of industry distribution and development status in the Chang-Zhu-Tan city cluster.

Keywords： PM2.5     spatial and temporal distribution     ArcGIS     the chang-Zhu-Tan city cluster    

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Multi-target combinatory strategy to overcome tumor immune escape

Frontiers of Medicine 2022, Volume 16, Issue 2,   Pages 208-215 doi: 10.1007/s11684-022-0922-5

Abstract: The use of several antibody drugs that target PD1/PD-L1 for various cancer treatments has been approved

Keywords： immune checkpoints     multi-target     immune escape     immune-related adverse events     combination therapy    

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Title Author Date Type Operation

Detecting slowlymoving infrared targets using temporal filtering and association strategy

Jing-li GAO,Cheng-lin WEN,Zhe-jing BAO,Mei-qin LIU

Journal Article

Moving target detection in the cepstrum domain for passive coherent location (PCL) radar

Ji-chuan LI,Xiao-de LU,Hui ZHANG,Peng-cheng YANG,Yu LIU,Mao-sheng XIANG

Journal Article

Amodified variable rate particle filter for maneuvering target tracking

Yun-fei GUO,Kong-shuai FAN,Dong-liang PENG,Ji-an LUO,Han SHENTU

Journal Article

A multi-sensor-system cooperative scheduling method for ground area detection and target tracking

Yunpu ZHANG, Qiang FU, Ganlin SHAN

Journal Article

array of two periodic leaky-wave antennas with sum and difference beam scanning for application in targetdetection and tracking

Mianfeng HUANG, Juhua LIU,liujh33@mail.sysu.edu.cn

Journal Article

A Video Scan Format Conversation Algorithm Based onSpatio-temporal Weight and Edge Direction

Ding Yong,Lu Shengli,Shi Longxing

Journal Article

Marine target detection based on Marine-Faster R-CNN for navigation radar plane position indicator images

Xiaolong CHEN, Xiaoqian MU, Jian GUAN, Ningbo LIU, Wei ZHOU,cxlcxl1209@163.com,guanjian_68@163.com

Journal Article

Feasibility study of the transient electromagnetic method for chamber blasting misfire detection and

Liu Liansheng,Liang Longhua,Wu Jiyang, Jiao Yongbin,Lu Zhexiang

Journal Article

Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Journal Article

Temporal trend of mortality from major cancers in Xuanwei, China

Hualiang Lin,Bofu Ning,Jihua Li,Guangqiang Zhao,Yunchao Huang,Linwei Tian

Journal Article

The temporal changes of the concentration level of typical toxic organics in the river sediments around

Qiang Li, Xiong Xu, Yaoyao Fang, Ruiyang Xiao, Donghong Wang, Wenjue Zhong

Journal Article

Spatio-temporal variations of water quality in Yuqiao Reservoir Basin, North China

Yuan XU,Ruqin XIE,Yuqiu WANG,Jian SHA

Journal Article

The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Journal Article

Spatial and Temporal Distribution of PM

Xiao-hong Chen,Xiang-bo Tang

Journal Article

Multi-target combinatory strategy to overcome tumor immune escape

Journal Article