Zhen Tian - RankMe

101 papers A* 2A 2B 3C 7Journal 65Unranked 22

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	AugVLA-3D: Depth-Driven Feature Augmentation for Vision-Language-Action Models. CoRR Zhifeng Rao, Wenlong Chen, Lei Xie, Xia Hua, Dongfu Yin, Zhen Tian, F. Richard Yu
2026	J	`jnl`	Beyond Pixels: Vector-to-Graph Transformation for Reliable Schematic Auditing. CoRR Chengwei Ma, Zhen Tian, Zhou Zhou, Zhixian Xu, Xiaowei Zhu, Xia Hua, Si Shi, F. Richard Yu
2026	J	`jnl`	CATER: Causal Adaptive Tracking with Environmental Reasoning. Signal Process. Zhen Tian, Zhou Zhou, Xia Hua, Keyi Li, F. Richard Yu
2026	J	`jnl`	HDMFNet: Learning complementary spatiotemporal representations via heterogeneous dual-branch multimodal fusion network for human action recognition. Appl. Soft Comput. Zhen Tian, Feng Zhao, Hanqiang Liu, Xiaotong Bian
2026	J	`jnl`	Intelligent Power Grid Design Review via Active Perception-Enabled Multimodal Large Language Models. CoRR Taoliang Tan, Chengwei Ma, Zhen Tian, Zhao Lin, Dongdong Li, Si Shi
2026	J	`jnl`	Skybound Magic: Enabling Body-Only Drone Piloting Through a Lightweight Vision-Pose Interaction Framework. Int. J. Hum. Comput. Interact. Jingxing Zhong, Xingyou Fang, Zukang Yang, Zhen Tian, Chuangqi Li
2025	J	`jnl`	A Stepwise decision tree model for differential diagnosis of Kimura's disease in the head and neck. BMC Medical Imaging Rui Luo, Gongxin Yang, Huimin Shi, Yining He, Yongshun Han, Zhen Tian, Yingwei Wu
2025	J	`jnl`	A*-PRM: A Dynamic Weight-Based Probabilistic Roadmap Algorithm. CoRR Siyuan Wang, Shuyi Zhang, Zhen Tian, Yuheng Yao, Gongsen Wang, Yu Zhao
2025	J	`jnl`	An ACO-MPC Framework for Energy-Efficient and Collision-Free Path Planning in Autonomous Maritime Navigation. CoRR Yaoze Liu, Zhen Tian, Qifan Zhou, Zixuan Huang, Hongyu Sun
2025	J	`jnl`	Analysis, Identification, and Compensation of Damping Asymmetry for Whole-Angle Mode Hemispherical Resonator Gyro. IEEE Trans. Instrum. Meas. Ronghao Xie, Changhong Wang, Baohua Li, Zhen Tian, Lishan Yuan, Youhuan Ning
2025	J	`jnl`	Applications and Effect Evaluation of Generative Adversarial Networks in Semi-Supervised Learning. CoRR Jiyu Hu, Haijiang Zeng, Zhen Tian
2025	J	`jnl`	Automated Treatment Planning for Interstitial HDR Brachytherapy for Locally Advanced Cervical Cancer using Deep Reinforcement Learning. CoRR Mohammadamin Moradi, Runyu Jiang, Yingzi Liu, Malvern Madondo, Tianming Wu, James J. Sohn, Xiaofeng Yang, Yasmin Hasan, Zhen Tian
2025	—	`conf`	DE Rolling Optimal Control of Interference Prediction Based on GRU Model. ICRCA Yuhao Zhang, ZiNan Wang, Boyang Zeng, Zhen Tian
2025	J	`jnl`	DiffHSR: Unleashing Diffusion Priors in Hyperspectral Image Super-Resolution. IEEE Signal Process. Lett. Yizhen Jia, Yumeng Xie, Ping An, Zhen Tian, Xia Hua
2025	J	`jnl`	FedGPA: Federated Learning with Global Personalized Aggregation. AI Open Zongfu Han, Yu Feng, Yifan Zhu, Zhen Tian, Fangyu Hao, Meina Song
2025	J	`jnl`	Fundus2Globe: Generative AI-Driven 3D Digital Twins for Personalized Myopia Management. CoRR Danli Shi, Bowen Liu, Zhen Tian, Yue Wu, Jiancheng Yang, Ruoyu Chen, Bo Yang, Ou Xiao, Mingguang He
2025	J	`jnl`	Industrial Internet Robot Collaboration System and Edge Computing Optimization. CoRR Qian Zuo, Dajun Tao, Tian Qi, Jieyi Xie, Zijie Zhou, Zhen Tian, Yu Mingyu
2025	J	`jnl`	Intelligent road crack detection and analysis based on improved YOLOv8. CoRR Haomin Zuo, Zhengyang Li, Jiangchuan Gong, Zhen Tian
2025	J	`jnl`	LoG-staging: a rectal cancer staging method with LoG operator based on maximization of mutual information. BMC Medical Imaging Ge Zhang, Hao Dang, Qian Zuo, Zhen Tian
2025	J	`jnl`	Machine Learning Algorithm for Noise Reduction and Disease-Causing Gene Feature Extraction in Gene Sequencing Data. CoRR Weichen Si, Yihao Ou, Zhen Tian
2025	A	`conf`	MobiExo: GPS-SLAM Fusion for Seamless Indoor-Outdoor Mobile Manipulation with Hand-Foot Coordination. IROS Jianpeng Wang, Zhen Tian, Wenlong Chen, Dian Yuan, Zhou Zhou, Ming Cen, Xia Hua, Fei Yu
2025	J	`jnl`	Multi-Modal Robust Enhancement for Coastal Water Segmentation: A Systematic HSV-Guided Framework. CoRR Zhen Tian, Christos Anagnostopoulos, Qiyuan Wang, Zhiwei Gao
2025	—	`conf`	OV-Nav: Object Navigation Based on Large Vision Language Models and Hierarchical Scene Graph. UPINLBS Pengshuai Yin, Tianyi Zhang, Lianzhong You, Si Shi, Zhen Tian, Shoubin Chen, F. Richard Yu, Ming Yang
2025	J	`jnl`	Random features meet MIL: a deep GP approach to colorectal MSI prediction. npj Digit. Medicine Shixuan Shen, Zeyang Wang, Tianmu Liu, Kangle Ma, Zhen Tian, Fuqiang Zhang, Qingyue Zhang
2025	—	`conf`	Research and application of multi-modal motion control of AGV wire-controlled chassis. RCAR Quancheng Dong, Zhe Zhang, Bo Chen, Gangchang Ren, Zhen Tian, Hong Ju, C. Sai
2025	—	`conf`	Research on Gas Turbine Speed Control Based on PSO-MPC Rolling Optimization of PI Parameters. ICRCA Boyang Zeng, ZiNan Wang, Yuhao Zhang, Zhen Tian
2025	J	`jnl`	Semi-Supervised Defect Detection via Conditional Diffusion and CLIP-Guided Noise Filtering. CoRR Shuai Li, Shihan Chen, Wanru Geng, Zhaohua Xu, Xiaolu Liu, Can Dong, Zhen Tian, Changlin Chen
2024	J	`jnl`	Analysis of Digital Security Governance under the Objectives of Digital Ecology: A Three-Party Evolutionary Game Approach. Complex. Zhen Tian, Chuchu Jiang, Gangyi Yue
2024	A*	`conf`	CP-Prompt: Composition-Based Cross-modal Prompting for Domain-Incremental Continual Learning. ACM Multimedia Yu Feng, Zhen Tian, Yifan Zhu, Zongfu Han, Haoran Luo, Guangwei Zhang, Meina Song
2024	J	`jnl`	CP-Prompt: Composition-Based Cross-modal Prompting for Domain-Incremental Continual Learning. CoRR Yu Feng, Zhen Tian, Yifan Zhu, Zongfu Han, Haoran Luo, Guangwei Zhang, Meina Song
2024	J	`jnl`	Contribution Evaluation of Heterogeneous Participants in Federated Learning via Prototypical Representations. CoRR Qi Guo, Minghao Yao, Zhen Tian, Saiyu Qi, Yong Qi, Yun Lin, Jin Song Dong
2024	J	`jnl`	Forgetting Through Transforming: Enabling Federated Unlearning via Class-Aware Representation Transformation. CoRR Qi Guo, Zhen Tian, Minghao Yao, Yong Qi, Saiyu Qi, Yun Lin, Jin Song Dong
2024	J	`jnl`	Glacier Mass Balance and Its Impact on Land Water Storage in the Southeastern Tibetan Plateau Revealed by ICESat-2 and GRACE-FO. Remote. Sens. Jinwei Tong, Zhen Shi, Jiashuang Jiao, Bing Yang, Zhen Tian
2024	J	`jnl`	The Influence of Nonlinear High-Intensity Dynamic Processes on the Standing Wave Precession of a Non-Ideal Hemispherical Resonator. Sensors Wei Cheng, Shunqing Ren, Boqi Xi, Zhen Tian, Youhuan Ning, Yan Huo
2023	J	`jnl`	A Fast 2-D Phase Unwrapping Algorithm Based on Convolutional Neural Network. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Han Li, Heping Zhong, Zhen Tian, Peng Zhang, Jinsong Tang
2023	J	`jnl`	A Survey of Deep Learning-Based Low-Light Image Enhancement. Sensors Zhen Tian, Peixin Qu, Jielin Li, Yukun Sun, Guohou Li, Zheng Liang, Weidong Zhang
2023	J	`jnl`	Backward THz Emission from Two-Color Laser Field-Induced Air Plasma Filament. Sensors Yuxuan Chen, Yuhang He, Liyuan Liu, Zhen Tian, Jianming Dai, Xi-Cheng Zhang
2023	J	`jnl`	Context-guided coarse-to-fine detection model for bird nest detection on high-speed railway catenary. Multim. Syst. Hongwei Zhao, Siquan Wu, Zhen Tian, Yidong Li, Yi Jin, Shengchun Wang
2023	—	`conf`	Go Fishboy. SIGGRAPH Asia Computer Animation Festival Chiayu Liu, Sebastian Doringer, Andrey Kolesov, Lan Zhou, Zhen Tian, Denise Cirone
2023	A*	`conf`	Locality Sensitive Hashing for Optimizing Subgraph Query Processing in Parallel Computing Systems. KDD Peng Peng, Shengyi Ji, Zhen Tian, Hongbo Jiang, Weiguo Zheng, Xuecang Zhang
2023	J	`jnl`	Optimizing Keyword Search Over Federated RDF Systems. IEEE Trans. Big Data Mingdao Li, Peng Peng, Zhen Tian, Zheng Qin, Zheng Huang, Yi Liu
2023	—	`conf`	PHYSec: A Novel Physical Layer Security Architecture for Ethernet. APNet Zhen Tian, Li Ding, Qing Wang, Desheng Sun, Yunlong Li
2023	—	`conf`	RM2DM: A Tool for Automatic Generation of OO Design Models from Requirements Models. ICSE Companion Zhen Tian, Yilong Yang, Sheng Cheng
2023	J	`jnl`	Weakening the Flicker Noise in GPS Vertical Coordinate Time Series Using Hybrid Approaches. Remote. Sens. Bing Yang, Zhiqiang Yang, Zhen Tian, Pei Liang
2022	—	`conf`	A MPI programming model for fast bird nest detection on the railway catenary. PAAP Hongwei Zhao, Yidong Li, Siquan Wu, Zhen Tian, Junbo Liu
2022	J	`jnl`	Azimuth-Invariant Motion Compensation and Imaging Chirp Scaling Algorithm for Multiple-Receiver Synthetic Aperture Sonar. IEEE Access Zhen Tian, Heping Zhong, Jinsong Tang, Jiafeng Zhang
2022	J	`jnl`	CDSC-Based Adaptive Impedance Measurement Method for Grid-Tied Inverter System Under Adverse Grid Voltage Conditions. IEEE Trans. Ind. Electron. Peijun Zhong, Jianjun Sun, Zhen Tian, Pan Yu, Xiaoming Zha
2022	C	`conf`	Calibration and Validation of Satellite Altimeters in Qinghai Lake. IGARSS Wanlin Zhai, Jianhua Zhu, Chuntao Chen, Longhao Yan, Zhen Tian
2022	C	`conf`	Seasonal Variation of Suspended Sediments in the Yongding New River Estuary from 2017 to 2021. IGARSS Zhen Tian, Zhifeng Li, Jianhua Zhu, Zhiyong Xue, Yang Zhao
2022	J	`jnl`	Studies of Urban Safety Improvement for Anti-Corrosion Smokestack Protection Based on LOP Strategies. Digit. Gov. Res. Pract. Zhen Tian, Huaichen Hu
2021	—	`conf`	A review and prospect of annual report on remote sensing monitoring of global ecological environment. Agro-Geoinformatics Rui Kang, Liang Liang, Zhen Tian, Juan Yan, Yanyan Shi, Siyi Qiu
2021	J	`jnl`	Coherent DOA Estimation in Sea Surface Observation With Direction-Finding HF Radar. IEEE Trans. Geosci. Remote. Sens. Jiurui Zhao, Yingwei Tian, Biyang Wen, Zhen Tian
2021	J	`jnl`	Cutting Test and Finite Element Analysis of Plow Pick. IEEE Access Zhen Tian, Shan Gao, Shuangxi Jing, Lijuan Zhao, Jianjun Zhang
2021	J	`jnl`	Information Fusion-Based Deep Neural Attentive Matrix Factorization Recommendation. Algorithms Zhen Tian, Lamei Pan, Pu Yin, Rui Wang
2021	J	`jnl`	Infrastructure-enhanced Multi-target Tracking Using a Multiple-model PHD Filter. J. Circuits Syst. Comput. Zhen Tian, Ming Cen, Yinguo Li
2021	J	`jnl`	Quality Control of Compact High-Frequency Radar-Retrieved Wave Data. IEEE Trans. Geosci. Remote. Sens. Zhen Tian, Yingwei Tian, Biyang Wen
2021	J	`jnl`	Speed-Sensorless and Motor Parameters-Free Starting Method for Large-Capacity Synchronous Machines Based on Virtual Synchronous Generator Technology. IEEE Trans. Ind. Electron. Liang Tao, Jianjun Sun, Zhen Tian, Meng Huang, Xiaoming Zha, Jinwu Gong
2021	J	`jnl`	UDE-based robust control for systems with mismatched uncertainties via feedback compensation. Int. J. Control Zhen Tian, Qing-Chang Zhong, Beibei Ren, Jingqi Yuan
2021	J	`jnl`	Wave-Height Map Extraction From Compact HF Surface-Wave Radar Network. IEEE Geosci. Remote. Sens. Lett. Zhen Tian, Yingwei Tian, Biyang Wen, Jiurui Zhao
2020	J	`jnl`	Accelerating range Doppler imaging algorithm for multiple-receiver synthetic aperture sonar on multi-core-based architectures. Soft Comput. Heping Zhong, Jinsong Tang, Zhen Tian, Haoran Wu, Mengbo Ma
2020	J	`jnl`	Experimental and Numerical Study on Cutting Performance of Coal Plow. IEEE Access Zhen Tian, Shuangxi Jing, Wei Liu, Shan Gao, Jianjun Zhang
2020	J	`jnl`	Ground Vehicle Tracking Using Context-Based Sojourn Time Dependent Markov Model and Pseudo-Measurement. IEEE Access Zhen Tian, Ming Cen, Yinguo Li, Hao Zhu
2020	—	`conf`	Keyword Search over Federated RDF Systems. DASFAA (2) Qing Wang, Peng Peng, Tianyao Tong, Zhen Tian, Zheng Qin
2020	J	`jnl`	Maintaining Semantic Information across Generic 3D Model Editing Operations. Remote. Sens. Sidan Yao, Xiao Ling, Fiona Nüesch, Gerhard Schrotter, Simon Schubiger, Zheng Fang, Long Ma, Zhen Tian
2020	J	`jnl`	Pulse Dynamics of an All-Normal-Dispersion Ring Fiber Laser Under Four Different Pulse Regimes. IEEE Access Liqiang Zhang, Zhen Tian, Nan-Kuang Chen, Kenneth T. V. Grattan, Yicun Yao, B. M. Azizur Rahman, Xiaohui Li, Cheng-Kai Yao, Haili Han, Hsiang-Chen Chui, Shien-Kuei Liaw
2020	J	`jnl`	Semi-Supervised Multi-Granularity CNNs for Text Classification: An Application in Human-Car Interaction. IEEE Access Fen Zhao, Yinguo Li, Ling Bai, Zhen Tian, Xinheng Wang
2020	J	`jnl`	UnambiguousWind Direction Field Extraction Using a Compact Shipborne High-Frequency Radar. IEEE Trans. Geosci. Remote. Sens. Jiurui Zhao, Yingwei Tian, Biyang Wen, Zhen Tian
2020	J	`jnl`	Wave Height Field Extraction From First-Order Doppler Spectra of a Dual-Frequency Wide-Beam High-Frequency Surface Wave Radar. IEEE Trans. Geosci. Remote. Sens. Yingwei Tian, Zhen Tian, Jiurui Zhao, Biyang Wen, Weimin Huang
2020	J	`jnl`	Wave-Height Mapping From Second-Order Harmonic Peaks of Wide-Beam HF Radar Backscatter Spectra. IEEE Trans. Geosci. Remote. Sens. Zhen Tian, Yingwei Tian, Biyang Wen, Sijie Wang, Jiurui Zhao, Weimin Huang, Eric W. Gill
2019	—	`conf`	Carcinogenicity prediction by AIIPCC Yushi Liu, Zhen Tian, Karin Yanagi, Lixin Liu, Chengcai Lv
2019	C	`conf`	Context-Enhanced Vehicle Tracking Method Under the Connected Environment (Poster). FUSION Zhen Tian, Yinguo Li, Ming Cen, Hao Zhu, Thia Kirubarajan
2019	—	`conf`	Design of Permanent Magnet Synchronous Motor Speed Controller Based on Adaptive Back-Stepping Theory. ICSAI Jing Lv, Zhen Tian, Xiaojin Fu, Song Liu
2019	J	`jnl`	Evaluation of Four Atmospheric Correction Algorithms for GOCI Images over the Yellow Sea. Remote. Sens. Xiaocan Huang, Jianhua Zhu, Bing Han, Cédric Jamet, Zhen Tian, Yili Zhao, Jun Li, Tongji Li
2019	—	`conf`	Interpolation-based k-means Clustering Improvement for Sparse, High Dimensional Data. ICCBDC Wanghu Chen, Zhen Tian
2019	J	`jnl`	Multi-parametric effect in predicting tumor histological grade by using susceptibility weighted magnetic resonance imaging in tongue squamous cell carcinoma. BMC Medical Imaging Xing Yang, Jinyu Zhu, Yongming Dai, Zhen Tian, Gongxin Yang, Huimin Shi, Yingwei Wu, Xiaofeng Tao
2019	C	`conf`	Non-rigid Image Feature Matching by Structure Constraints. FUSION Hao Zhu, Ke Zou, Yongfu Li, Henry Leung, Zhen Tian
2019	J	`jnl`	Sea Clutter Suppression for Shipborne HF Radar Using Cross-Loop/Monopole Array. IEEE Geosci. Remote. Sens. Lett. Jiurui Zhao, Biyang Wen, Yingwei Tian, Zhen Tian, Sijie Wang
2019	J	`jnl`	Tm IEEE Access Zhen Tian, Min Zhao, Liqiang Zhang, Haimiao Zhou, Dong Yan, Cheng-Kai Yao, Nan-Kuang Chen, Shien-Kuei Liaw, Chun-Nien Liu, Huishan Yu
2018	J	`jnl`	A Single-Reference Parasitic-Matching Sensing Circuit for 3-D Cross Point PCM. IEEE Trans. Circuits Syst. II Express Briefs Yu Lei, Houpeng Chen, Qian Wang, Xi Li, Xiaoyun Li, Zhen Tian, Zhitang Song
2018	B	`conf`	Continuous Point Cloud Stitch based on Image Feature Matching Constraint and Score. Intelligent Vehicles Symposium Fangchao Hu, Yinguo Li, Wei Huang, Zhen Tian
2018	C	`conf`	Distributed Evidential EM Algorithm for Gaussian Mixtures in Sensor Network with Uncertain Data. FUSION Hao Zhu, Ke Zou, Yongfu Li, Zhen Tian
2018	B	`conf`	Environmental Reconstruction for Autonomous Vehicle Based on Image Feature Matching Constraint and Score. PRICAI Fangchao Hu, Ling Bai, Yinguo Li, Zhen Tian
2018	C	`conf`	Joint Registration of Multiple Point Sets by Preserving Global and Local Structure. FUSION Hao Zhu, Bin Guo, Ka-Veng Yuen, Henry Leung, Yongfu Li, Zhen Tian
2018	J	`jnl`	Radio Frequency Interference Suppression Algorithm in Spatial Domain for Compact High-Frequency Radar. IEEE Geosci. Remote. Sens. Lett. Zhen Tian, Biyang Wen, Lijie Jin, Yingwei Tian
2018	C	`conf`	Robust Estimation of Grid Voltage Parameters via a Second-order Sliding Mode Observer. ACC Zhen Tian, Qing-Chang Zhong, Zijun Lyu, Jingqi Yuan
2018	—	`conf`	Trajectory Deviations in Narrowbeam SAS: Analysis and Compensation. CISP-BMEI Mengbo Ma, Jinsong Tang, Zhen Tian, Heping Zhong
2017	—	`conf`	An INS data-based micronavigation method for the imaging of multiple receiver synthetic aperture sonar. CISP-BMEI Kui Xu, Zhen Tian, Jinsong Tang, Jinbo Wang, Sen Zhang
2017	J	`jnl`	Enhanced 3 × VDD-tolerant ESD clamp circuit with stacked configuration. IEICE Electron. Express Xiaoyun Li, Houpeng Chen, Qian Wang, Xi Li, Yu Lei, Qi Zhang, Xi Fan, Jiajun Hu, Zhen Tian, Zhitang Song
2017	J	`jnl`	Enhanced read performance for phase change memory using a reference column. IEICE Electron. Express Yu Lei, Houpeng Chen, Xi Li, Qian Wang, Qi Zhang, Jiajun Hu, Xiaoyun Li, Zhen Tian, Zhitang Song
2017	J	`jnl`	Finite-Time Consensus with a Time-Varying Reference State and Switching Topology. Complex. Jianyong Wang, Zhen Tian, Xu Zhu, Naif D. Alotaibi
2017	—	`conf`	Fuzzy proportional integral derivative control of a radiofrequency ablation temperature control system. CISP-BMEI Yanyan Cheng, Qun Nan, Ruirui Wang, Tong Dong, Zhen Tian
2017	—	`conf`	Network attack path reconstruction based on similarity computation. ICNC-FSKD Jian-Wei Tian, Xi Li, Zhen Tian, Weihui Qi
2016	—	`conf`	A defect forewarning model for electric energy data acquisition terminals. ICNC-FSKD Jian-Wei Tian, Xi Li, Zhen Tian, Hai-wei Xue
2015	B	`conf`	Power allocation for energy efficiency maximization in DAS with hybrid rate constraint. PIMRC Jianwei Liu, Wei Guan, Jiang Wu, Zhen Tian, Wanli Li
2014	—	`conf`	Focusing wide bandwidth and wide swath synthetic aperture sonar data using modified nonlinear chirp-scaling imaging algorithm. ICDIP Zhen Tian, Heping Zhong, Jinsong Tang
2014	—	`conf`	Lexical Semantic Restrictions on the Syntactic Representation of the Semantic Roles of Pinjie Class. CLSW Zhen Tian, Shiyong Kang
2013	A	`conf`	Gasoline-diesel mixtures quantifying using terahertz time-domain waveform. ICST Yinan Li, Jian Li, Nan Zhou, Shijiu Jin, Zhoumo Zeng, Zhen Tian, Lijun Sun
2013	J	`jnl`	Plasmon-induced transparency in terahertz metamaterials. Sci. China Inf. Sci. Huihui Jing, Zhihua Zhu, Xueqian Zhang, Jianqiang Gu, Zhen Tian, Chunmei Ouyang, Jiaguang Han, Weili Zhang
2012	—	`conf`	Link prediction on evolving network using tensor-based node similarity. CCIS Xiao Yang, Zhen Tian, Huayang Cui, Zhaoxin Zhang
2011	J	`jnl`	Brain CT image database building for computer-aided diagnosis using content-based image retrieval. Inf. Process. Manag. Kehong Yuan, Zhen Tian, Jiying Zou, Yanling Bai, Qingshan You
2010	—	`conf`	4D Computed Tomography Reconstruction from Few-Projection Data via Temporal Non-local Regularization. MICCAI (1) Xun Jia, Yifei Lou, Bin Dong, Zhen Tian, Steve B. Jiang