Mengmeng Zhang

ORCID

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 170

Top Venues

IEEE Trans. Geosci. Remote. Sens.

DCC

IEICE Trans. Inf. Syst.

IGARSS

Publications

Junjie Liu, Junxian Liu, Mengmeng Zhang
Effective Evolutionary Principles for System-of-Systems: Insights from Agent-Based Modeling in Vehicular Networks. Syst. 12 (3) (2024)
Mengmeng Zhang, Fan Wu, Yude Bu, Shanshan Li, Zhenping Yi, Meng Liu, Xiaoming Kong
SPT: Spectral Transformer for Red Giant Stars Age and Mass Estimation. CoRR (2024)
Mengmeng Zhang, Chengwang Guo, Yuxiang Zhang, Huan Liu, Wei Li
GCCD: A Generative Cross-Domain Change Detection Network. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Boyu Zhao, Mengmeng Zhang, Wei Li, Xiukai Song, Yunhao Gao, Yuxiang Zhang, Junjie Wang
Intermediate Domain Prototype Contrastive Adaptation for Spartina alterniflora Segmentation Using Multitemporal Remote Sensing Images. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Xudong Zhao, Mengmeng Zhang, Ran Tao, Wei Li, Wenzhi Liao, Lianfang Tian, Wilfried Philips
Fractional Fourier Image Transformer for Multimodal Remote Sensing Data Classification. IEEE Trans. Neural Networks Learn. Syst. 35 (2) (2024)
Zhi Liu, Heng Wang, Yuan Li, Hongyun Lu, Hongyuan Jing, Mengmeng Zhang
Improved Just Noticeable Difference Model Based Algorithm for Fast CU Partition in V-PCC. IEICE Trans. Inf. Syst. 107 (8) (2024)
Mengmeng Zhang, Quanxin Zhu
Stability of stochastic delayed differential systems with average-random-delay impulses. J. Frankl. Inst. 361 (7) (2024)
Mengmeng Zhang, Xudong Zhao, Wei Li, Yuxiang Zhang, Ran Tao, Qian Du
Cross-Scene Joint Classification of Multisource Data With Multilevel Domain Adaption Network. IEEE Trans. Neural Networks Learn. Syst. 35 (8) (2024)
Mei Ni, Yin Sheng, Lipeng Chen, Mengmeng Zhang
A Task Selection Approach for Multiple Unmanned Aerial Vehicles. CSCWD (2024)
Mengmeng Zhang, Xiantong Yang
Google or ChatGPT: Who is the Better Helper for University Students. CoRR (2024)
Mengmeng Zhang, Zeliang Zhang, Yuan Li, Ran Cheng, Hongyuan Jing, Zhi Liu
CTU-Level Adaptive QP Offset Algorithm for V-PCC Using JND and Spatial Complexity. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107 (8) (2024)
Yulin Li, Mengmeng Zhang, Xiaoming Xie, Yunhao Gao, Wei Li
Feature Mixture Generative Adversarial Network for Data Augmentation on Small Sample Hyperspectral Data. ICIGP (2024)
Yuxiang Zhang, Wei Li, Mengmeng Zhang, Shuai Wang, Ran Tao, Qian Du
Graph Information Aggregation Cross-Domain Few-Shot Learning for Hyperspectral Image Classification. IEEE Trans. Neural Networks Learn. Syst. 35 (2) (2024)
Mengmeng Zhang, Guijun Han, Xiaobo Wu, Chaoliang Li, Qi Shao, Wei Li, Lige Cao, Xuan Wang, Wanqiu Dong, Zenghua Ji
SST Forecast Skills Based on Hybrid Deep Learning Models: With Applications to the South China Sea. Remote. Sens. 16 (6) (2024)
Yunhao Gao, Wei Li, Junjie Wang, Mengmeng Zhang, Ran Tao
Relationship Learning From Multisource Images via Spatial-Spectral Perception Network. IEEE Trans. Image Process. 33 (2024)
Jingjing Wang, Mengmeng Zhang, Yuxi Bai, Huaqing Xu, Yucheng Fan
Distance compensation-based dual adaptive artifact removal algorithm in microwave breast tumor imaging system. Biomed. Signal Process. Control. 88 (Part A) (2024)
He Wang, Mengmeng Zhang, Wei Li, Yunhao Gao, Yuanyuan Gui, Yuxiang Zhang
Unbalanced Class Learning Network With Scale-Adaptive Perception for Complicated Scene in Remote Sensing Images Segmentation. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Zhi Liu, Siyuan Zhang, Xiaohan Guan, Mengmeng Zhang
A Fast Intra Mode Decision Algorithm in VVC Based on Feature Cross for Screen Content Videos. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107 (1) (2024)
Xiantong Yang, Mengmeng Zhang
GenAI Distortion: The Effect of GenAI Fluency and Positive Affect. CoRR (2024)
Huan Liu, Wei Li, Wen Jia, Hong Sun, Mengmeng Zhang, Lujie Song, Yuanyuan Gui
Clusterformer for Pine Tree Disease Identification Based on UAV Remote Sensing Image Segmentation. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Chunlong Sun, Mengmeng Zhang, Zhidong Zhang
Conditional well-posedness and data-driven method for identifying the dynamic source in a coupled diffusion system from one single boundary measurement. CoRR (2024)
Xiao Wang, Di Wang, Mengmeng Zhang, Xiaochuan Song, Luting Xu, Tiegang Sun, Weile Li, Sizhi Cheng, Jianhui Dong
A Strategy for Neighboring Pixel Collaboration in Landslide Susceptibility Prediction. Remote. Sens. 16 (12) (2024)
Hongyun Lu, Mengmeng Zhang, Hongyuan Jing, Zhi Liu
Improving Sliced Wasserstein Distance with Geometric Median for Knowledge Distillation. IEICE Trans. Inf. Syst. 107 (7) (2024)
Biao Zhang, Mengmeng Zhang, Yuxiang Zhang, Huan Liu, Zhengqi Guo, Xiaoming Xie, Wei Li
Hyperspectral and Multi-source Heterogeneous Data Fusion Classification Based on Multiscale Multi-source Interaction Attention Network. ICIGP (2024)
Yuyang Zhao, Mengmeng Zhang, Yunhao Gao, Wei Li
Classification of Multisource Remote Sensing Images Using Multimodal Equilateral Absorption Network. ICIGP (2024)
Boyu Zhao, Zhengmao Li, Xiangyang Jiang, Mengmeng Zhang, Wei Li, Yuxiang Zhang, Xiukai Song
Contrastive Adaptive Segmentation Method for Spartina Alterniflora Based on Intermediate Domain Prototypes. ICIGP (2024)
Xiaoyan Gu, Mengmeng Zhang, Jinxin Lyu, Quansheng Ge
Generating Urban Road Networks with Conditional Diffusion Models. ISPRS Int. J. Geo Inf. 13 (6) (2024)
Jinyu Li, Mengmeng Zhang
StemNet: A Dataset, Benchmark and Method for Scene Recognition in Remote Sensing. ICIGP (2024)
Yuan Li, Mengmeng Zhang, Hongyuan Jing, Zhi Liu
RadarTCN: Lightweight Online Classification Network for Automotive Radar Targets Based on TCN. Sensors 24 (9) (2024)
Yang Tian, Mengmeng Zhang, Jinyu Li, Yangfan Li, Hong Yang, Wei Li
FPNFormer: Rethink the Method of Processing the Rotation-Invariance and Rotation-Equivariance on Arbitrary-Oriented Object Detection. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Xiao Wang, Di Wang, Xinyue Li, Mengmeng Zhang, Sizhi Cheng, Shaoda Li, Jianhui Dong, Luting Xu, Tiegang Sun, Weile Li, Peilian Ran, Liang Liu, Baojie Wang, Ling Zhao, Xinyi Huang
The Prediction of Cross-Regional Landslide Susceptibility Based on Pixel Transfer Learning. Remote. Sens. 16 (2) (2024)
Zhisheng Huang, Xiyan Zhang, Fazhan Chen, Mengmeng Zhang, Haojie Fu, Qianqian Wu, Xudong Zhao
Exploring Etiology of Nonsuicidal Self-injury by Using Knowledge Graph Approach. HIS (2023)
Mengmeng Zhang, Yan Hou, Zhi Liu
An early CU partition mode decision algorithm in VVC based on variogram for virtual reality 360 degree videos. EURASIP J. Image Video Process. 2023 (1) (2023)
Weijia Zeng, Wei Li, Mengmeng Zhang, Hao Wang, Meng Lv, Yue Yang, Ran Tao
Microscopic Hyperspectral Image Classification Based on Fusion Transformer With Parallel CNN. IEEE J. Biomed. Health Informatics 27 (6) (2023)
Mengmeng Zhang, Zhidong Zhang
Solving the inverse potential problem in the parabolic equation by the deep neural networks method. CoRR (2023)
Yunhao Gao, Mengmeng Zhang, Junjie Wang, Wei Li
Cross-Scale Mixing Attention for Multisource Remote Sensing Data Fusion and Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Yunhao Gao, Wei Li, Mengmeng Zhang, Ran Tao
Hyperspectral Classification Using Heterologous Feature Alignment and Fusion. WHISPERS (2023)
Ji Lv, Mengmeng Zhang, Yujie Fu, Mengshuang Chen, Binjie Chen, Zhiyuan Xu, Xianliang Yan, Shuqun Hu, Ningjun Zhao
An interpretable machine learning approach for predicting 30-day readmission after stroke. Int. J. Medical Informatics 174 (2023)
Junjie Wang, Wei Li, Mengmeng Zhang, Jocelyn Chanussot
Large Kernel Sparse ConvNet Weighted by Multi-Frequency Attention for Remote Sensing Scene Understanding. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Zhi Liu, Jinang Liu, Bin He, Changlong Huang, Qing Li, Mengmeng Zhang
Fast CU Decision Algorithm Based on LightGBM for Geometry Video in V-PCC. EITCE (2023)
Fuqi Mao, Jing Li, Jian Yang, Zhi Liu, Mengmeng Zhang
A Grain Boundary Defects Detection Algorithm with Improved Localization Accuracy Based on EfficientDet. Autom. Control. Comput. Sci. 57 (1) (2023)
Yuxiang Zhang, Mengmeng Zhang, Wei Li, Ran Tao
Multi-Modal Domain Generalization for Cross-Scene Hyperspectral Image Classification. ICASSP (2023)
Junjie Wang, Wei Li, Yunhao Gao, Mengmeng Zhang, Ran Tao, Qian Du
Hyperspectral and SAR Image Classification via Multiscale Interactive Fusion Network. IEEE Trans. Neural Networks Learn. Syst. 34 (12) (2023)
Tianchong Wang, Mengmeng Zhang, Yu Gao
Promoting Girls' Participation in K-12 STEM Education: Current Landscape, Hindering Factors, and Recommendations for Actions. TALE (2023)
Zhengqi Guo, Mengmeng Zhang, Wen Jia, Wei Li
Hyperspectral Image Classification of Tree Species with Low-Depth Features. IGARSS (2023)
Yuxiang Zhang, Wei Li, Mengmeng Zhang, Ying Qu, Ran Tao, Hairong Qi
Topological Structure and Semantic Information Transfer Network for Cross-Scene Hyperspectral Image Classification. IEEE Trans. Neural Networks Learn. Syst. 34 (6) (2023)
Mengmeng Zhang, Mingkang Wu, Fei Gao, Qing Li, Zhi Liu
A Fast Affine Motion Estimation Algorithm Based on Motion Vector Difference. ICDIP (2023)
Yang Tian, Jinyu Li, Mengmeng Zhang
Aligned Feature for Vector-Based Rotated Object Detection. IGARSS (2023)
Lujie Song, Mengmeng Zhang, Wei Li, Daguang Jiang, Huan Liu, Yuxiang Zhang
Mask-Reconstruction-Based Decoupled Convolution Network for Hyperspectral Imagery Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Yang Huang, Aimin Luo, Tao Chen, Mengmeng Zhang, Bangbang Ren, Yanjie Song
When architecture meets RL+EA: A hybrid intelligent optimization approach for selecting combat system-of-systems architecture. Adv. Eng. Informatics 58 (2023)
Huan Liu, Wei Li, Xiang-Gen Xia, Mengmeng Zhang, Chen-Zhong Gao, Ran Tao
Central Attention Network for Hyperspectral Imagery Classification. IEEE Trans. Neural Networks Learn. Syst. 34 (11) (2023)
Mengmeng Zhang, Qianxiao Li, Jijun Liu
On stability and regularization for data-driven solution of parabolic inverse source problems. J. Comput. Phys. 474 (2023)
Shibo Guo, Yuanyuan Gui, Mengmeng Zhang, Wei Li
MMS:Multi-Source Mutual Supervision Semantic Segmentation. IGARSS (2023)
Menglong Lin, Tao Chen, Bangbang Ren, Honghui Chen, Mengmeng Zhang, Deke Guo
CADer: A Deep Reinforcement Learning Approach for Designing the Communication Architecture of System of Systems. IEEE Trans. Intell. Veh. 8 (5) (2023)
Yuxiang Zhang, Mengmeng Zhang, Wei Li, Shuai Wang, Ran Tao
Language-Aware Domain Generalization Network for Cross-Scene Hyperspectral Image Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Huan Liu, Wei Li, Xiang-Gen Xia, Mengmeng Zhang, Ran Tao
Multiarea Target Attention for Hyperspectral Image Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Qiang Wang, Xin Song, Jon-Chao Hong, Shuang Li, Mengmeng Zhang, Xiantong Yang
Impact of social comparison on perceived online academic futility: A perspective from parents. Educ. Inf. Technol. 28 (5) (2023)
Junjie Wang, Wei Li, Mengmeng Zhang, Ran Tao, Jocelyn Chanussot
Remote-Sensing Scene Classification via Multistage Self-Guided Separation Network. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Mengmeng Zhang, Wei Li, Xudong Zhao, Huan Liu, Ran Tao, Qian Du
Morphological Transformation and Spatial-Logical Aggregation for Tree Species Classification Using Hyperspectral Imagery. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Yunhao Gao, Mengmeng Zhang, Wei Li, Xiukai Song, Xiangyang Jiang, Yuanqing Ma
Adversarial Complementary Learning for Multisource Remote Sensing Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Mengmeng Zhang, Wei Li, Yuxiang Zhang, Ran Tao, Qian Du
Hyperspectral and LiDAR Data Classification Based on Structural Optimization Transmission. IEEE Trans. Cybern. 53 (5) (2023)
Boyu Zhao, Mengmeng Zhang, Jianbu Wang, Xiukai Song, Yuanyuan Gui, Yuxiang Zhang, Wei Li
Multiple Attention Network for Spartina alterniflora Segmentation Using Multitemporal Remote Sensing Images. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Menglong Lin, Tao Chen, Honghui Chen, Bangbang Ren, Mengmeng Zhang
When architecture meets AI: A deep reinforcement learning approach for system of systems design. Adv. Eng. Informatics 56 (2023)
Wei Li, Yunhao Gao, Mengmeng Zhang, Ran Tao, Qian Du
Asymmetric Feature Fusion Network for Hyperspectral and SAR Image Classification. IEEE Trans. Neural Networks Learn. Syst. 34 (10) (2023)
Mengmeng Zhang
Consumer behavior analysis based on Internet of Things platform and the development of precision marketing strategy for fresh food e-commerce. PeerJ Comput. Sci. 9 (2023)
Xudong Zhao, Mengmeng Zhang, Ran Tao, Wei Li, Wenzhi Liao, Wilfried Philips
Multisource Cross-Scene Classification Using Fractional Fusion and Spatial-Spectral Domain Adaptation. IGARSS (2022)
Junjie Wang, Wei Li, Mengmeng Zhang, Yunhao Gao
Multisource Remote Sensing Data Classification Based on A Dual Attention Fusion Network. WHISPERS (2022)
Zhi Liu, Jincen Cai, Mengmeng Zhang
Improving Transformer with Dynamic Convolution and Shortcut for Video-Text Retrieval. KSII Trans. Internet Inf. Syst. 16 (7) (2022)
Zhi Liu, Yunpeng Duan, Mengmeng Zhang
An Improved Multi-reference Frame Loop Filter Algorithm Based on Transformer for VVC. DCC (2022)
Yuxiang Zhang, Wei Li, Mengmeng Zhang, Ran Tao
Dual Graph Cross-Domain Few-Shot Learning for Hyperspectral Image Classification. ICASSP (2022)
Mengmeng Zhang, Siqi Deng, Zhi Liu
A fast geometric prediction merge mode decision algorithm based on CU gradient for VVC. DCC (2022)
Zhi Liu, Jia Cao, Xiaohan Guan, Mengmeng Zhang
New VVC Chroma Prediction Modes Based on Coloring with Inter-Channel Correlation. IEICE Trans. Inf. Syst. (10) (2022)
Xiaodong Yang, Mengmeng Zhang, Wei Li, Ran Tao
Visible-Assisted Infrared Image Super-Resolution Based on Spatial Attention Residual Network. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Xin An, Mengmeng Zhang, Shuo Xu
A Corpus for Entity Recognition in COVID-19 Full-text Literature (poster). EEKE@JCDL (2022)
Yunhao Gao, Wei Li, Mengmeng Zhang, Jianbu Wang, Weiwei Sun, Ran Tao, Qian Du
Hyperspectral and Multispectral Classification for Coastal Wetland Using Depthwise Feature Interaction Network. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Mengmeng Zhang, Wei Li, Ran Tao, Heng-Chao Li, Qian Du
Information Fusion for Classification of Hyperspectral and LiDAR Data Using IP-CNN. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Wei Li, Junjie Wang, Yunhao Gao, Mengmeng Zhang, Ran Tao, Bing Zhang
Graph-Feature-Enhanced Selective Assignment Network for Hyperspectral and Multispectral Data Classification. IEEE Trans. Geosci. Remote. Sens. 60 (2022)
Zhi Liu, Fangyuan Zhao, Mengmeng Zhang
An Efficient Multimodal Aggregation Network for Video-Text Retrieval. IEICE Trans. Inf. Syst. (10) (2022)
Xudong Zhao, Mengmeng Zhang, Ran Tao, Wei Li, Wenzhi Liao, Wilfried Philips
Multisource Remote Sensing Data Classification Using Fractional Fourier Transformer. IGARSS (2022)
Xudong Zhao, Mengmeng Zhang, Ran Tao, Wei Li, Wenzhi Liao, Wilfried Philips
Cross-Domain Classification of Multisource Remote Sensing Data Using Fractional Fusion and Spatial-Spectral Domain Adaptation. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 15 (2022)
Wei Sun, Jianhua Jiang, Yubo Huang, Jinlai Li, Mengmeng Zhang
An Integrated PCA-DAEGCN Model for Movie Recommendation in the Social Internet of Things. IEEE Internet Things J. 9 (12) (2022)
Zhengqi Guo, Mengmeng Zhang, Wen Jia, Jinxin Zhang, Wei Li
Dual-Concentrated Network With Morphological Features for Tree Species Classification Using Hyperspectral Image. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 15 (2022)
Mengmeng Zhang, Xudong Zhao, Wei Li, Yuxiang Zhang
Multi-Source Remote Sensing Data Cross Scene Classification Based on Multi-Graph Matching. IGARSS (2022)
Yang Huang, Aimin Luo, Mengmeng Zhang, Liang Bai, Yanjie Song, Jiting Li
Task Location Distribution Based Genetic Algorithm for UAV Mobile Crowd Sensing. BIC-TA (2022)
Mengmeng Zhang, Yuhao Wang, Zhi Liu, Zhao Wang
A fast CU partition algorithm based on sum of region-directional dispersion for virtual reality 360° video. Multim. Syst. 28 (6) (2022)
Zhi Liu, Houyu Qian, Mengmeng Zhang
A Fast Multi-tree Partition Algorithm Based on Spatial-temporal Correlation for VVC. DCC (2022)
Yuxiang Zhang, Mengmeng Zhang, Wei Li, Shuai Wang, Ran Tao
Language-aware Domain Generalization Network for Cross-Scene Hyperspectral Image Classification. CoRR (2022)
Yunhao Gao, Wei Li, Mengmeng Zhang, Ran Tao
Feature Exchange for Multisource Data Classification in Wetland Scene. IGARSS (2021)
Yunhao Gao, Wei Li, Mengmeng Zhang, Jianbu Wang, Weiwei Sun, Ran Tao, Qian Du
Hyperspectral and Multispectral Classification for Coastal Wetland Using Depthwise Feature Interaction Network. CoRR (2021)
Mengmeng Zhang, Wei Li, Ran Tao, Song Wang
Transfer Learning for Optical and SAR Data Correspondence Identification With Limited Training Labels. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 14 (2021)
Huan Liu, Wei Li, Xiang-Gen Xia, Mengmeng Zhang, Chen-Zhong Gao, Ran Tao
Spectral Shift Mitigation for Cross-Scene Hyperspectral Imagery Classification. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 14 (2021)
Lidong Zhang, Mengmeng Zhang, Jian Wang, Xiaowei Li, Wenxing Zhu
Internet connected vehicle platoon system modeling and linear stability analysis. Comput. Commun. 174 (2021)
Tao Zhou, Libin Chen, Jing Guo, Mengmeng Zhang, Yanrui Zhang, Shanbo Cao, Feng Lou, Haijun Wang
MSIFinder: a python package for detecting MSI status using random forest classifier. BMC Bioinform. 22 (1) (2021)
Yuanyuan Gui, Wei Li, Mengmeng Zhang, Anzhi Yue
Woodland Segmentation of Gaofen-6 Remote Sensing Images Based on Deep Learning. IGARSS (2021)
Zhi Liu, Yifan Su, Shuzhong Yang, Mengmeng Zhang
A Fast Chroma Intra-Prediction Mode Decision Algorithm Based on Texture Characteristics for VVC. IEICE Trans. Inf. Syst. (5) (2021)
Jiajia Ren, Hongxin Li, Mengmeng Zhang, Cong Wu
Massive-scale graph mining for e-commerce cold chain analysis and optimization. Future Gener. Comput. Syst. 125 (2021)
Chang Liu, Ran Tao, Wei Li, Mengmeng Zhang, Weiwei Sun, Qian Du
Joint Classification of Hyperspectral and Multispectral Images for Mapping Coastal Wetlands. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 14 (2021)
Mengmeng Zhang, Shuanghui Yi, Menglong Lin, Honghui Chen
Architecture Transformation Research on Joint Border Defense Systems-of-Systems. ICMSS (2021)
Zhi Liu, Ke Yang, Xianya Fu, Mengmeng Zhang, Zhao Wang, Fuqi Mao
Adaptive QP offset selection algorithm for virtual reality 360-degree video based on CTU complexity. Multim. Tools Appl. 80 (3) (2021)
Dandan Cao, Mengmeng Zhang, Wei Li, Qiong Ran
Hyperspectral and Infrared Image Collaborative Classification Based on Morphology Feature Extraction. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 14 (2021)

Mengmeng Zhang.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Mengmeng Zhang