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| 1 | Ultra-stable super-resolution fluorescence cryo-microscopy for correlative light and electron cryo-microscopy显示文摘Remarkable progress in correlative light and electron cryo-microscopy(cryo-CLEM) has been made in the past decade. A crucial component for cryo-CLEM is a dedicated cryo-fluorescence microscope(cryo-FM). Here, we describe an ultra-stable superresolution cryo-FM that exhibits excellent thermal and mechanical stability. The temperature fluctuations in 10 h are less than0.06 K, and the mechanical drift over 5 h is less than 200 nm in three dimensions. We have demonstrated the super-resolution imaging capability of this system(average single molecule localization accuracy of ~13.0 nm). The results suggest that our system is particularly suitable for long-term observations, such as single molecule localization microscopy(SMLM) and cryogenic super-resolution correlative light and electron microscopy(csCLEM). | Xiaojun Xu Yanhong Xue Buyun Tian Fengping Feng Lusheng Gu Weixing Li Wei Ji Tao Xu | 2018 | Science China(Life Sciences)2018，61，11： | 3 |
| 2 | Chemical fingerprinting of Liuwei Dihuang Pill and simultaneous determination of its majorbioactive constituents by HPLC coupled with multiple detections of DAD, ELSD and ESI-MS显示文摘 | Ye Ji Zhang Xi Dai Weixing | 2009 | J Pharm Biomed Anal2009，49，3： | 1 |
| 3 | Automatic video mosaicking algorithm via dynamic key-frame显示文摘Automatic video mosaicking is a challenging task in computer vision. Current researches consider either panoramic or mapping tasks on short videos. In this paper, an automatic mosaicking algorithm is proposed for both mapping and panoramic tasks based on the adapted key-frame on videos of any length.The speeded up robust features(SURF) and the grid motion statistic(GMS) algorithm are used for feature extraction and matching between consecutive frames, which are used to compute the transformation. In order to reduce the influence of the accumulated error during image stitching, an evaluation metric is put forward for the transformation matrix. Besides, a self-growth method is employed to stitch the global image for long videos. The algorithm is evaluated by using aerial-view and panoramic videos respectively on the graphic processing unit(GPU) device, which can satisfy the real-time requirement. The experimental results demonstrate that the proposed algorithm is able to achieve a better performance than the state-of-art. | JI Yufeng LI Weixing FENG Kai XING Boyang PAN Feng | 2020 | Journal of Systems Engineering and Electronics2020，31，2： | 1 |
| 4 | Multi-Object Tracking with Micro Aerial Vehicle显示文摘A simple yet efficient tracking framework is proposed for real-time multi-object tracking with micro aerial vehicles(MAVs). It's basic missions for MAVs to detect specific targets and then track them automatically. In our method, candidate regions are generated using the salient detection in each frame and then classified by an eural network. A kernelized correlation filter(KCF) is employed to track each target until it disappears or the peak-sidelobe ratio is lower than a threshold. Besides, we define the birth and death of each tracker for the targets. The tracker is recycled if its target disappears and can be assigned to a new target. The algorithm is evaluated on the PAFISS and UAV123 datasets. The results show a good performance on both the tracking accuracy and speed. | Yufeng Ji Weixing Li Xiaolin Li Shikun Zhang Feng Pan | 2019 | Journal of Beijing Institute of Technology2019，28，3： | 1 |
| 5 | Chinese patients with p.Arg756 mutations of ATP1A3: Clinical manifestations, treatment, and follow-up显示文摘Importance:The phenotypes of ATP1A3 gene mutations are diverse.Relapsing encephalopathy with cerebellar ataxia and fever-induced paroxysmal weakness and encephalopathy(FIPWE)are considered non-classical phenotypes caused by p.Arg756 mutations of ATP1A3.Objective:To summarize the clinical manifestations,treatment,and followup of Chinese patients with p.Arg756 mutations of ATP1A3.Methods:We analyzed the clinical features,treatment,and genotypes of eight children with p.Arg756 mutations of ATP1A3 who were treated in Beijing Children’s Hospital from January 2014 to December 2019.Results:Eight patients(six boys and two girls)were included;seven had been misdiagnosed with encephalitis.The age of onset ranged from 0.8 to 4.5 years.All patients had encephalopathy and had at least one episode of FIPWE.Cerebellar ataxia was present in nine episodes.Reversible splenial lesions of the corpus callosum were found in two patients in the acute phase.Three types of heterozygous ATP1A3 mutations were found:c.2267G>T(p.R756L)(patient 3[P3]),c.2266C>T(p.R756C)(P2 and P4),and c.2267G>A(p.R756H)(P1,P5,P6,P7,and P8).Six mutations were de novo;two mutations were inherited.Both patients with p.R756C and one patient(P7)with p.R756H had four episodes of severe ataxia as the main manifestations.However,in the other three episodes,limb weakness was more prominent than ataxia.P5 with p.R756H exhibited overlap with FIPWE and rapid-onset dystonia-parkinsonism.Interpretation:Acute encephalopathy followed by febrile disease was characteristic of the disease in patients with p.Arg756 mutations of ATP1A3.However,the weakness and ataxia were variable.Phenotypic crossover and overlap were observed among these patients. | Weihua Zhang Jiuwei Li Xiuwei Zhuo Ji Zhou Weixing Feng Shuai Gong Xiaotun Ren Changhong Ding Tongli Han Fang Fang | 2022 | Pediatric Investigation2022，6，1： | 1 |
| 6 | Feedback Cache Mechanism for Dynamically Reconfigurable VLIW Processors显示文摘Very Long Instruction Word(VLIW) architectures are commonly used in application-specific domains due to their parallelism and low-power characteristics. Recently, parameterization of such architectures allows for runtime adaptation of the issue-width to match the inherent Instruction Level Parallelism(ILP) of an application.One implementation of such an approach is that the event of the issue-width switching dynamically triggers the reconfiguration of the data cache at runtime. In this paper, the relationship between cache resizing and issue-width is well investigated. We have observed that the requirement of the cache does not always correlate with the issuewidth of the VLIW processor. To further coordinate the cache resizing with the changing issue-width, we present a novel feedback mechanism to 'block' the low yields of cache resizing when the issue-width changes. In this manner, our feedback cache mechanism has a coordinated effort with the issue-width changes, which leads to a noticeable improvement of the cache performance. The experiments show that there is 10% energy savings as well as a 2.3% cache misses decline on average achieved, compared with the cache without the feedback mechanism.Therefore, the feedback mechanism is proven to have the capability to ensure more benefits are achieved from the dynamic and frequent reconfiguration. | Sensen Hu Weixing Ji Yizhuo Wang | 2017 | Tsinghua Science and Technology2017，22，3： | 1 |
| 7 | Outage Analysis of Optimal UAV Cooperation with IRS via Energy Harvesting Enhancement Assisted Computational Offloading显示文摘The utilization of mobile edge computing(MEC)for unmanned aerial vehicle(UAV)communication presents a viable solution for achieving high reliability and low latency communication.This study explores the potential of employing intelligent reflective surfaces(IRS)andUAVs as relay nodes to efficiently offload user computing tasks to theMEC server system model.Specifically,the user node accesses the primary user spectrum,while adhering to the constraint of satisfying the primary user peak interference power.Furthermore,the UAV acquires energy without interrupting the primary user’s regular communication by employing two energy harvesting schemes,namely time switching(TS)and power splitting(PS).The selection of the optimal UAV is based on the maximization of the instantaneous signal-to-noise ratio.Subsequently,the analytical expression for the outage probability of the system in Rayleigh channels is derived and analyzed.The study investigates the impact of various system parameters,including the number of UAVs,peak interference power,TS,and PS factors,on the system’s outage performance through simulation.The proposed system is also compared to two conventional benchmark schemes:the optimal UAV link transmission and the IRS link transmission.The simulation results validate the theoretical derivation and demonstrate the superiority of the proposed scheme over the benchmark schemes. | Baofeng Ji Ying Wang Weixing Wang Shahid Mumtaz Charalampos Tsimenidis | 2024 | Computer Modeling in Engineering & Sciences2024，138，2： | 0 |
| 8 | Cerebral small vessel disease caused by PLOD3 mutation:Expanding the phenotypic spectrum of lysyl hydroxylase-3 deficiency显示文摘Introduction:Pathogenic variants inPLOD3,encoding lysyl hydroxylase-3(LH3),can cause a hereditary connective tissue disorder that has rarely been reported.It is a multi-system disease,presenting with craniofacial dysmorphisms,skeletal and eye manifestations,sensorineural hearing loss,and variable skin manifestations.Severe central nervous system involvement has not been reported.Case presentation:A 10-month-old girl was admitted with development delay and clustered epileptic spasms.Hypertelorism,an upturned nose,and low-set ears were noted in physical examination.Cerebral magnetic resonance imaging showed multiple intracranial malacias and bleeding foci,extensive abnormal signals in the white matter,and obvious brain atrophy,which was consistent with cerebral small vessel disease(SVD).Electroencephalography suggested hypsarrhythmia.The vertebrae were flattened.The distal end of the metacarpal bone in the left hand was irregular.She was diagnosed with West syndrome.Whole-exome sequencing revealed a novel homozygous variant of c.12161218delCTC(p.L406del)inPLOD3,which was found to be inherited from her heterozygous parents.Conclusion:We report a patient with pathogenicPLOD3 mutation who presented with cerebral SVD.This report expands the phenotypic spectrum of LH3 deficiency. | Ji Zhou Weixing Feng Xiuwei Zhuo Wenting Lu Junling Wang Fang Fang Xiaohui Wang | 2022 | Pediatric Investigation2022，6，3： | 0 |
| 9 | Control Structure Analysis and Recovery of Embedded Binaries显示文摘Existing decompilers use rule-based algorithms to transform unstructured Control flow graph(CFG) into equivalent high-level programming language constructs with 'goto' statements. One problem of such approaches is that they generate a large number of 'goto's in the output code, which reduce the readability and hinder the understanding of input binaries. A global search algorithm is proposed based on structural analysis. This algorithm restructures a CFG and generates fewer number of 'goto' statements than the rule-based algorithm does.We also present a Genetic algorithm(GA) for the global search approach to locate near optimal solutions for large CFGs. Evaluation results on a set of real CFGs show that the genetic algorithm-based heuristic for global search is capable of finding high-quality solutions. | JI Weixing HUO Yuanhong WANG Yizhuo GAO Yujin SHI Feng | 2017 | Chinese Journal of Electronics2017，26，6： | 0 |
| 10 | A 5-year-old child presenting with tumor-like primary angiitis of the central nervous system显示文摘Introduction:Primary angiitis of the central nervous system(PACNS)is a vasculitis confined to the CNS.A small proportion of the lesions may present as a tumor-like mass,which is rarely seen in children.Case presentation:A 5-year-old girl was admitted to our hospital because of an intermittent headache.Brain imaging suggested a space-occupying lesion in the right cerebral hemisphere.The final diagnosis was PACNS with a lymphocytic pattern by stereotactic brain biopsy.Her condition improved after immunotherapy.Conclusion:Pediatricians should consider the possibility of PACNS when encountering intracranial tumor-like lesions.Early diagnosis of tumor-like PACNS and prompt immunotherapy could improve the long-term prognosis and avoid surgery. | Xiuwei Zhuo Weixing Feng Ji Zhou Weihua Zhang Shuai Gong Fang Fang Jiuwei Li | 2022 | Pediatric Investigation2022，6，2： | 0 |
| 11 | Construction of Ship Target Image Library Based on 3DS MAX and AP Algorithm显示文摘To achieve accurate classification and recognition of ship target types,it is necessary to establish a sample library of ship targets to be identified.On the basis of exploring the principles of building a ship target image library,the paper determines the sample set.Using 3DS MAX software as the platform,combined with the accurate 3D model of the ship in an offline state,the software fully utilizes its own rendering and animation functions to achieve the automatic generation of multi-view and multi-scale views of ship targets.To reduce the storage capacity of the image database,a construction method of the ship target image database based on the AP algorithm is presented.The algorithm can obtain the optimal cluster number,reduce the data storage capacity of the image database,and save the calculation amount for the subsequent matching calculation. | Chao Ji Weixing Xia Zhengping Tang | 2023 | Modern Electronic Technology2023，7，2： | 0 |
| 12 | Decision Analysis on IoV Routing Transmission and Energy Efficiency Optimization Algorithm with AmBC显示文摘The improvement of the quality and efficiency of vehicle wireless network data transmission is always a key concern in the Internet of Vehicles(IoV).Routing transmission solved the limitation of transmission distance to a certain extent.Traditional routing algorithm cannot adapt to complex traffic environment,resulting in low transmission efficiency.In order to improve the transmission success rate and quality of vehicle network routing transmission,make the routing algorithm more suitable for complex traffic environment,and reduce transmission power consumption to improve energy efficiency,a comprehensive optimized routing transmission algorithm is proposed.Based on the routing transmission algorithm,an optimization algorithmbased on road condition,vehicle status and network performance is proposed to improve the success rate of routing transmission in the IoV.Relative distance difference and density are used as decision-making indicators to measure Road Side Unit(RSU)assisted transmission.And the Ambient backscatter communication(AmBC)technology and energy collection are used to reduce the energy consumption of routing relay transmission.An energy collection optimization algorithm is proposed to optimize the energy efficiency of AmBC and improve the energy efficiency of transmission.Simulation results show that the proposed routing optimization algorithm can effectively improve the success rate of packet transmission in vehicular ad hoc networks(VANETs),and theAmBC optimization algorithmcan effectively reduce energy consumption in the transmission process.The proposed optimization algorithm achieves comprehensive optimization of routing transmission performance and energy efficiency. | Baofeng Ji Mingkun Zhang Weixing Wang Song Chen | 2023 | Computer Modeling in Engineering & Sciences2023，137，12： | 0 |
| 13 | Anti-Jamming Null Space Projection Beamforming Based on Symbiotic Radio显示文摘With the development of information technology,more and more devices are connected to the Internet through wireless communication to complete data interconnection.Due to the broadcast characteristics ofwireless channels,wireless networks have suffered more and more malicious attacks.Physical layer security has received extensive attention from industry and academia.MIMO is considered to be one of the most important technologies related to physical layer security.Through beamforming technology,messages can be transmitted to legitimate users in an offset direction that is as orthogonal as possible to the interference channel to ensure the reception SINR by legitimate users.Combining the symbiotic radio(SR)technology,this paper considers a symbiotic radio antijamming MIMO system equipped with a multi-antenna system at the main base station.In order to avoid the interference signal and improve the SINR of the signal received by the user.The base station is equipped with a uniform rectangular antenna array,and using Null Space Projection(NSP)Beamforming,Intelligent Reflecting Surface(IRS)can assist in changing the beam’s angle.The simulation results show that NSP Beamforming could make a better use of the null space of interference,which can effectively improve the received SINR of users under directional interference,and improve the utilization efficiency of signal energy. | Baofeng Ji Yifan Liu Tingpeng Li Ling Xing Weixing Wang Shahid Mumtaz Xiaolong Shang Wanying Liu Congzheng Han | 2024 | Computer Modeling in Engineering & Sciences2024，138，1： | 0 |
| 14 | Linux Kernel Data Races in Recent 5 Years显示文摘Data races are increasingly seen as concurrency bugs and they are difficult to reproduce and diagnose in parallel programs. Linux kernel is a large-scale software system, in which intensive thread-level parallelism and non-deterministic thread interleaving are more prone to race conditions. This paper conducts an investigation of real Linux kernel data races in recent 5 years. Our results show that there are about 500 real kernel data races reported and fixed in recent 5 years. File systems and drivers among all modules hold a much higher percentage of race conditions than other modules. We also conduct a case-bycase study on data races and graphically show how these data races are triggered with specific thread interleaving.Our analysis results are of interest to researchers and engineers who are committed to kernel data race detection and kernel development. | SHI Jianjun JI Weixing WANG Yizhuo HUANG Lifu GUO Yunkun SHI Feng | 2018 | Chinese Journal of Electronics2018，27，3： | 0 |
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