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Fast target-aware learning for few-shot video object segmentation

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Science China(Information Sciences) 2022年第8期65卷 71-86页

作者： Yadang CHEN Chuanyan HAO zhi-xin yang Enhua WU Engineering Research Center of Digital Forensics Ministry of EducationSchool of Computer and SoftwareNanjing University of Information Science and Technology School of Education Science and Technology Nanjing University of Posts and Telecommunications State Key Laboratory of Internet of Things for Smart City Department of Electromechanical EngineeringUniversity of Macau State Key Laboratory of Computer Science Institute of SoftwareUniversity of Chinese Academy of Sciences Faculty of Science and Technology University of Macau

Few-shot video object segmentation(FSVOS) aims to segment a specific object throughout a video sequence when only the first-frame annotation is given. In this study, we develop a fast target-aware learning approach for FSVOS, where the proposed approach adapts to new video sequences from its firstframe annotation through a lightweight procedure. The proposed network comprises two models. First, the meta knowledge model learns the general semantic features for the input video image and up-samples the coarse predicted mask to the original image size. Second, the target model adapts quickly from the limited support set. Concretely, during the online inference for testing the video, we first employ fast optimization techniques to train a powerful target model by minimizing the segmentation error in the first frame and then use it to predict the subsequent frames. During the offline training, we use a bilevel-optimization strategy to mimic the full testing procedure to train the meta knowledge model across multiple video *** proposed method is trained only on an individual public video object segmentation(VOS) benchmark without additional training sets and compared favorably with state-of-the-art methods on DAVIS-2017, with a J &F overall score of 71.6%, and on YouT ubeVOS-2018, with a J &F overall score of 75.4%. Meanwhile,a high inference speed of approximately 0.13 s per frame is maintained.

关键词： video object segmentation few-shot target-aware meta knowledge bilevel-optimization

Global video object segmentation with spatial constraint module

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Computational Visual Media 2023年第2期9卷 385-400页

作者： Yadang Chen Duolin Wang zhiguo Chen zhi-xin yang Enhua Wu Engineering Research Center of Digital Forensics Ministry of EducationSchool of Computer and SoftwareNanjing University of Information Science and TechnologyNanjing 210044China State Key Laboratory of Internet of Things for Smart City Department of Electromechanical EngineeringUniversity of MacaoMacao 999078China State Key Laboratory of Computer Science Institute of SoftwareUniversity of Chinese Academy of SciencesBeijing 100190China Faculty of Science and Technology University of MacaoMacao 999078China

We present a lightweight and efficient semisupervised video object segmentation network based on the space-time memory *** some extent,our method solves the two difficulties encountered in traditional video object segmentation:one is that the single frame calculation time is too long,and the other is that the current frame’s segmentation should use more information from past *** algorithm uses a global context(GC)module to achieve highperformance,real-time *** GC module can effectively integrate multi-frame image information without increased memory and can process each frame in real ***,the prediction mask of the previous frame is helpful for the segmentation of the current frame,so we input it into a spatial constraint module(SCM),which constrains the areas of segments in the current *** SCM effectively alleviates mismatching of similar targets yet consumes few additional *** added a refinement module to the decoder to improve boundary *** model achieves state-of-the-art results on various datasets,scoring 80.1%on YouTube-VOS 2018 and a J&F score of 78.0%on DAVIS 2017,while taking 0.05 s per frame on the DAVIS 2016 validation dataset.

关键词： video object segmentation semantic segmentation global context(GC)module spatial constraint

xingnao Kaiqiao needling method for acute ischemic stroke： a meta-analysis of safety and efficacy

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Neural Regeneration Research 2017年第8期12卷 1308-1314页

作者： zhi-xin yang Jia-hong Xie Ding-ding Liu Department of Traditional Chinese Medicine Chengde Medical University Chengde Hebei Province China Key Laboratory of Traditional Chinese Medicine Research and Development Institute of Traditional Chinese Medicine Chengde Medical University Chengde Hebei Province China School of Traditional Chinese Medicine North China University of Science and Technology Tangshan Hebei Province China

OBJECTIVE： To evaluate the effectiveness and safety of the xingnao Kaiqiao needling method for treating acute ischemic *** SOURCES： We retrieved relevant randomized controlled trials involving xingnao Kaiqiao acupuncture for treatment of acute ischemic stroke. The China National Knowledge Infrastructure, Weipu Information Resources System, Wanfang Medical Data System, Chinese Biomedical Literature Database, Cochrane Library, and Pub Med were searched from June 2006 to March *** SELECTION： We analyzed randomized and semi-randomized clinical controlled trials that compared xingnao Kaiqiao acupuncture with various control treatments, such as conventional drugs or other acupuncture therapies, for treatment of acute ischemic stroke. The quality of articles was evaluated according to the Cochrane Handbook for Systematic Reviews of Interventions（Version 5.1）, and the study was carried out using Cochrane system assessment methods. Rev Man 5.2 was used for the meta-analysis of the included *** MEASURES： The mortality rate, disability rate, activities of daily living（Barthel Index）, and clinical efficacy were ***： Twelve studies met the inclusion criteria for this review. The meta-analysis showed that between xingnao Kaiqiao acupuncture and the control treatment, xingnao Kaiqiao acupuncture reduced the disability rate [risk ratio（RR） = 0.51, 95% confidence interval（CI） = 0.27-0.98, z = 2.03, P 〈 0.05], elevated the activities of daily living（weighted mean difference = 12.23, 95% CI： 3.66-20.08, z = 2.80, P 〈 0.005）, and had greater clinical efficacy（RR = 1.61, 95% CI： 1.23-2.09, z = 3.53, P 〈 0.0004）. However, there was no significant difference in mortality rate（RR = 0.61, 95% CI： 0.15-2.45, z = 0.70, P 〉 0.05）. CONCLUSION： The xingnao Kaiqiao needling method is effective and safe for acute ischemic stroke. However, there was selective bias in this study, and the likelihood of measurement bias is high. Thus, more high-quality randomized

关键词： nerve regeneration xingnao Kaiqiao needling method acute ischemic stroke meta-analysis systematic review activities of daily living Barthel index mortality disability rate clinical e^cacy neuralregeneration

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Ground state cooling of magnomechanical resonator in PT-symmetric cavity magnomechanical system at room temperature

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Frontiers of physics 2020年第5期15卷 145-154页

作者： zhi-xin yang Liang Wang Yu-Mu Liu Dong-yang Wang Cheng-Hua Bai Shou Zhang Hong-Fu Wang Department of Physics College of ScienceYanbian UniversityYanji 133002China Center for Quantum Sciences and School of Physics Northeast Normal UniversitChangchun 130024China School of Physics Harbin Institute of TechnologyHarbin 150001China

We propose to realize the ground state cooling of magnomechanical resonator in a parity-time(PT).symmetric cavity magnomechanical system composed of a loss ferromagnetic sphere and a gain microwave *** the scheme,the magnomechanical resonator can be cooled close to its ground state via the magnomechanical interaction,and it is found that the cooling effect in PT-symmetric system is much higher than that in non-PT-symmetric *** to the magnetic force noise spectrum,we investigate the final mean phonon number with experimentally feasible parameters and find surprisingly that the ground state cooling of magnomechanical resonator can be directly achieved at room ***,we also illustrate that the ground state cooling can be flexibly controlled via the external magnetic field.

关键词： ground state cooling magnomechanical resonator PT-symmetry

Systematic review of long-term xingnao Kaiqiao needling efficacy in ischemic stroke treatment

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Neural Regeneration Research 2015年第4期10卷 583-588页

作者： zhi-xin yang Jia-hong Xie Yong-ping Liu Guang-xin Miao Ying-han Wang Sheng-mei Wu Yuan Li Department of Traditional Chinese Medicine Chengde Medical University Key Laboratory of Traditional Chinese Medicine Research and Development Institute of Traditional Chinese MedicineChengde Medical University Chicheng Hospital of Traditional Chinese Medicine

OBJeCTIve：To systematically evaluate the long-term effect and safety ofxingnao Kaiqiao nee-dling method in ischemic stroke treatment. DATA ReTRIevAL： We retrieved relevant random and semi-random controlled trials that used thexingnao Kaiqiao needling method to treat ischemic stroke compared with various control treatments such as conventional drugs or other acupuncture therapies. Searched databases included China National Knowledge Infrastructure, Weipu Information Resources System, Wanfang Medical Data System, Chinese Biomedical Literature Database, Cochrane Library, and PubMed, from May 2006 to July 2014. SeLeCTION CRITeRIA： Two authors independently conducted literature screening, quality evaluation, and data extraction. The quality of articles was evaluated according to the Cochrane Reviewers’ Handbook 5.1, and the study was carried out using Cochrane system assessment methods. RevMan 5.2 was used for meta-analysis of the included studies. MAIN OUTCOMe MeASUReS： Mortality rate, recurrence rate, and disability rate were observed. ReSULTS：Nine randomized and semi-randomized controlled trials treating 931 cases of ischemic stroke were included in this review. Meta-analysis results showed that there were no sig-niifcant differences in mortality reduction （risk ratio （RR） = 0.58, 95% conifdence interval （CI）： 0.17–1.93,Z = 0.89,P = 0.37） or recurrence rate （RR = 0.55, 95%CI： 0.18–1.70,Z = 1.04,P = 0.30） of ischemic stroke patients between thexingnao Kaiqiao needling and control treatment groups. However, thexingnao Kaiqiao needling method had a tendency towards higher efifcacy in mor-tality reduction and recurrence rates. Thexingnao Kaiqiao needling method was signiifcantly better than that of the control treatment in reducing disability rate （RR = 0.51, 95%CI： 0.27–0.98, Z = 2.03,P 〈 0.05）. CONCLUSION：Thexingnao Kaiqiao needling method has a better effect than control treatment in reducing disability rate. The long-term effect ofxingnao Kaiqiao needling against isch

关键词： nerve regeneration xingnao Kaiqiao needling method ischemic stroke randomized controlled trial systemic reviews meta-analysis long-term efficacy mortality recurrence disability adverse reactions health economics indicators neural regeneration

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MMP-2 gene polymorphisms in type 2 diabetes mellitus diabetic retinopathy

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International Journal of Ophthalmology(English edition) 2010年第2期3卷 137-140页

作者： Jie yang Xiao-Hui Fan Yong-Qing Guan Yan Li Wei Sun xin-zhi yang and Rui Liu Department of Ophthalmology the Fourth Hospital of Hebei Medical University Shijiazhuang 050011 Hebei Province China

AIMTo study the association between polymorphisms of the MMP-2 gene and diabetic retinopathy (DR).

关键词： MMP-2 diabetic retinopathy gene single nucleotide polymorphism

A Phase Estimation Algorithm for Quantum Speed-Up Multi-Party Computing

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Computers, Materials & Continua 2021年第4期67卷 241-252页

作者： Wenbin Yu Hao Feng Yinsong Xu Na Yin Yadang Chen zhi-xin yang Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET) Jiangsu Engineering Center of Network MonitoringSchool of Computer and SoftwareNanjing University of Information Science&TechnologyNanjing210044China Department of Computer Science and Engineering Michigan State UniversityEast Lansing48824MIUSA State Key Laboratory of Internet of Things for Smart City and Department of Electromechanical Engineering University of Macao999078Macao

Security and privacy issues have attracted the attention of researchers in the field of IoT as the information processing scale grows in sensor *** computing,theoretically known as an absolutely secure way to store and transmit information as well as a speed-up way to accelerate local or distributed classical algorithms that are hard to solve with polynomial complexity in computation or *** this paper,we focus on the phase estimation method that is crucial to the realization of a general multi-party computing model,which is able to be accelerated by quantum algorithms.A novel multi-party phase estimation algorithm and the related quantum circuit are proposed by using a distributed Oracle operator with *** proved theoretical communication complexity of this algorithm shows it can give the phase estimation before applying multi-party computing efficiently without increasing any additional ***,a practical problem of multi-party dating investigated shows it can make a successful estimation of the number of solution in advance with zero communication complexity by utilizing its special statistic *** simulations present the correctness,validity and efficiency of the proposed estimation method.

关键词： Edge computing security multi-party computing quantum algorithm phase estimation communication complexity

INTRODUCTION TO “THE COMPLEMENTARY ACUPOINTS”

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Journal of Integrative Medicine 2014年第3期 279-280页

作者： zhi-xin yang

Complementary acupoints, as a kind of theory of acupoint combinations, are put forward according to the law of the meridians of the body *** close relationship between acupoints and meridians is based on the traditional Chinese medicine theory of yin and yang, the meridian and zangfu theory, as well as our own *** acupoint combinations are simple, unique, and have curative *** acupoints are involved and the treatment shows highly *** put forward "complementary acupoints" based on the following *** complementary acupoints refer to the acupoints that are located on the corresponding medial and lateral sides of the limbs or in the front and back parts of the body trunk, adjusting the balance of yin and *** for a pair of corresponding points, one is located at the pathway of the yin channel and the otheris located at the pathway of the yang *** are yin and yang correspondence, or exterior-interior correspondence in the upper and part of lower *** the location of acupoints, understanding one means knowing *** operation, point-topoint puncture(inserting one needle on every one-side point) or joined needling two points(inserting one needle, and the relative another point has qi arrival) of two complementary acupoints is created.

关键词： INTRODUCTION TO THE COMPLEMENTARY ACUPOINTS body

Predictors of atrial fibrillation after coronary artery bypass graft： a meta-analysis

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Journal of Geriatric Cardiology 2009年第3期6卷 162-167页

作者： Liang Yin zhi-Nong Wang Yi-Feng Wang Wen-Tao Wang Guang-Yu Ji xin-Wei yang zhi-Yun Xu Department of Cardiothoracic Surgery Changhai Hospital Second Military Medical University of PLA Shanghai 200433 China

Objectives Postoperative atrial fibrillation （AF） has been associated with less favorable outcomes in patients undergoing coronary artery bypass graft surgery （CABG） and may result in increased post-operative morbidity and mortality. A systematic review and meta-analysis of published studies was conducted to examine the risk factors of occurrence AF after CABG. Methods Using the Medline database, the Cochrane clinical trials database and online clinical trial databases, we reviewed all randomized controlled trials （RCTs） and observational studies examining the risk factors of occurrence of AF after CABG. We searched for literature published April 2009 or earlier. Results Our review identified 8 studies （observational studies）, involving 14548 patients, that examined the risk factors of occurrence of AF after CABG. Although studies provide conflicting results, the overall outcomes suggests that advanced age, previous hypertension, numbers of bridge vessels may increase the occurrence of AF after CABG, while no significant difference of diabetes, preoperative myocardial infarction, and preoperative medication of 13 -Blocker have been observed between the AF patients and no-AF patiens. Conclusions Patients with advanced age, previous hypertension and more numbers of bridge vessels had higher risk for the occurrence of AF after CABG, and perioperative medication and care must be intensified to decrease the postoperative occurrence ofAF（J Geriatr Cardio12009; 6：162-167）.

关键词： atrial fibrillation coronary artery bypass graft postoperative meta-analysis predictors