default search action
Chang Li 0001
Person information
- affiliation: Hefei University of Technology, Department of Biomedical Engineering, China
- affiliation (PhD 2018): Huazhong University of Science and Technology, School of Electronic Information and Communications, Wuhan, China
Other persons with the same name
- Chang Li — disambiguation page
- Chang Li 0002 — Hong Kong University of Science and Technology, Hong Kong
- Chang Li 0003 — University of Amsterdam, The Netherlands
- Chang Li 0004 — Central China Normal University, College of Urban and Environmental Science, Wuhan, China
- Chang Li 0005 — Purdue University, Department of Computer Science, West Lafayette, IN, USA
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
Journal Articles
- 2025
- [j70]Hanfei Guo, Chang Li, Hu Peng, Zhihui Han, Xun Chen:
Test time adaptation for cross-domain sleep stage classification. Biomed. Signal Process. Control. 100: 106980 (2025) - 2024
- [j69]Xinghao Dong, Chang Li, Xu Zhang, Guoning Huang, Xiaodong Zhang:
An improved you only look once algorithm for pronuclei and blastomeres localization. Eng. Appl. Artif. Intell. 136: 108929 (2024) - [j68]Tingting Mao, Chang Li, Rencheng Song, Guoping Xu, Xun Chen:
Online Seizure Prediction via Fine-Tuning and Test-Time Adaptation. IEEE Internet Things J. 11(11): 20784-20796 (2024) - [j67]Xuan Zhang, Guoping Xu, Xinglong Wu, Wentao Liao, Xuesong Leng, Xiaxia Wang, Xinwei He, Chang Li:
A pixel and channel enhanced up-sampling module for biomedical image segmentation. Mach. Vis. Appl. 35(2): 30 (2024) - [j66]Yuchang Zhao, Shuai Feng, Chang Li, Rencheng Song, Deng Liang, Xun Chen:
Source-Free Domain Adaptation for Privacy-Preserving Seizure Prediction. IEEE Trans. Ind. Informatics 20(2): 2787-2798 (2024) - [j65]Heng Cui, Chang Li, Aiping Liu, Ruobing Qian, Xun Chen:
A Dual-Branch Interactive Fusion Network to Remove Artifacts From Single-Channel EEG. IEEE Trans. Instrum. Meas. 73: 1-12 (2024) - [j64]Zhiwei Deng, Chang Li, Rencheng Song, Xiang Liu, Ruobing Qian, Xun Chen:
Centroid-Guided Domain Incremental Learning for EEG-Based Seizure Prediction. IEEE Trans. Instrum. Meas. 73: 1-13 (2024) - [j63]Rencheng Song, Wei Zhao, Juan Cheng, Chang Li, Xuezhi Yang:
Video-Based Respiration Rate Measurement With Adaptive Filtering and Quality-Guided Pulse Selection. IEEE Trans. Instrum. Meas. 73: 1-9 (2024) - 2023
- [j62]Juan Cheng, Bicheng Yue, Rencheng Song, Yu Liu, Chang Li, Xun Chen:
Motion-robust anterior-posterior imaging ballistocardiography for non-contact heart rate measurements. Biomed. Signal Process. Control. 86(Part C): 105307 (2023) - [j61]Jin Chen, Zhihui Han, Heyuan Qiao, Chang Li, Hu Peng:
EEG-based sleep staging via self-attention based capsule network with Bi-LSTM model. Biomed. Signal Process. Control. 86(Part C): 105351 (2023) - [j60]Yi Wei, Yu Liu, Chang Li, Juan Cheng, Rencheng Song, Xun Chen:
TC-Net: A Transformer Capsule Network for EEG-based emotion recognition. Comput. Biol. Medicine 152: 106463 (2023) - [j59]Muhua Xu, Juan Cheng, Chang Li, Yu Liu, Xun Chen:
Spatio-temporal deep forest for emotion recognition based on facial electromyography signals. Comput. Biol. Medicine 156: 106689 (2023) - [j58]Zhiwei Deng, Chang Li, Rencheng Song, Xiang Liu, Ruobing Qian, Xun Chen:
EEG-based seizure prediction via hybrid vision transformer and data uncertainty learning. Eng. Appl. Artif. Intell. 123(Part C): 106401 (2023) - [j57]Guoping Xu, Wentao Liao, Xuan Zhang, Chang Li, Xinwei He, Xinglong Wu:
Haar wavelet downsampling: A simple but effective downsampling module for semantic segmentation. Pattern Recognit. 143: 109819 (2023) - [j56]Wei Tao, Chang Li, Rencheng Song, Juan Cheng, Yu Liu, Feng Wan, Xun Chen:
EEG-Based Emotion Recognition via Channel-Wise Attention and Self Attention. IEEE Trans. Affect. Comput. 14(1): 382-393 (2023) - [j55]Chang Li, Zhongzhen Zhang, Rencheng Song, Juan Cheng, Yu Liu, Xun Chen:
EEG-Based Emotion Recognition via Neural Architecture Search. IEEE Trans. Affect. Comput. 14(2): 957-968 (2023) - [j54]Chang Li, Yuchang Zhao, Rencheng Song, Xiang Liu, Ruobing Qian, Xun Chen:
Patient-Specific Seizure Prediction From Electroencephalogram Signal via Multichannel Feedback Capsule Network. IEEE Trans. Cogn. Dev. Syst. 15(3): 1360-1370 (2023) - [j53]Chang Li, Zhongzhen Zhang, Xiaodong Zhang, Guoning Huang, Yu Liu, Xun Chen:
EEG-based Emotion Recognition via Transformer Neural Architecture Search. IEEE Trans. Ind. Informatics 19(4): 6016-6025 (2023) - [j52]Jing Li, Bin Yang, Lu Bai, Hao Dou, Chang Li, Lingfei Ma:
TFIV: Multigrained Token Fusion for Infrared and Visible Image via Transformer. IEEE Trans. Instrum. Meas. 72: 1-14 (2023) - [j51]Deng Liang, Aiping Liu, Yikai Gao, Chang Li, Ruobing Qian, Xun Chen:
Semi-Supervised Domain-Adaptive Seizure Prediction via Feature Alignment and Consistency Regularization. IEEE Trans. Instrum. Meas. 72: 1-12 (2023) - [j50]Rencheng Song, Han Wang, Haojie Xia, Juan Cheng, Chang Li, Xun Chen:
Uncertainty Quantification for Deep Learning-Based Remote Photoplethysmography. IEEE Trans. Instrum. Meas. 72: 1-12 (2023) - [j49]Yu Liu, Yi Wei, Chang Li, Juan Cheng, Rencheng Song, Xun Chen:
Bi-CapsNet: A Binary Capsule Network for EEG-Based Emotion Recognition. IEEE J. Biomed. Health Informatics 27(3): 1319-1330 (2023) - 2022
- [j48]Chang Li, Bin Wang, Silin Zhang, Yu Liu, Rencheng Song, Juan Cheng, Xun Chen:
Emotion recognition from EEG based on multi-task learning with capsule network and attention mechanism. Comput. Biol. Medicine 143: 105303 (2022) - [j47]Chang Li, Yimeng Hou, Rencheng Song, Juan Cheng, Yu Liu, Xun Chen:
Multi-channel EEG-based emotion recognition in the presence of noisy labels. Sci. China Inf. Sci. 65(4) (2022) - [j46]Xin Yang, Hongtao Huo, Jing Li, Chang Li, Zhao Liu, Xun Chen:
DSG-Fusion: Infrared and visible image fusion via generative adversarial networks and guided filter. Expert Syst. Appl. 200: 116905 (2022) - [j45]Chang Li, Chenhong Sui, Rencheng Song, Juan Cheng, Yu Liu, Xun Chen:
Superpixel-Based Noise-Robust Sparse Unmixing of Hyperspectral Image. IEEE Geosci. Remote. Sens. Lett. 19: 1-5 (2022) - [j44]Xun Chen, Chang Li, Aiping Liu, Martin J. McKeown, Ruobing Qian, Z. Jane Wang:
Toward Open-World Electroencephalogram Decoding Via Deep Learning: A comprehensive survey. IEEE Signal Process. Mag. 39(2): 117-134 (2022) - [j43]Yu Liu, Hao Zhao, Rencheng Song, Xudong Chen, Chang Li, Xun Chen:
SOM-Net: Unrolling the Subspace-Based Optimization for Solving Full-Wave Inverse Scattering Problems. IEEE Trans. Geosci. Remote. Sens. 60: 1-15 (2022) - [j42]Chenhong Sui, Jun Zhou, Chang Li, Qiang Zheng, Jie Feng, Xiaoguang Mei, Jing Wang:
Unsupervised Hyperspectral Band Selection With Multigraph Integrated Embedding and Robust Self-Contained Regression. IEEE Trans. Geosci. Remote. Sens. 60: 1-15 (2022) - [j41]Jing Li, Jianming Zhu, Chang Li, Xun Chen, Bin Yang:
CGTF: Convolution-Guided Transformer for Infrared and Visible Image Fusion. IEEE Trans. Instrum. Meas. 71: 1-14 (2022) - [j40]Yu Liu, Yu Shi, Fuhao Mu, Juan Cheng, Chang Li, Xun Chen:
Multimodal MRI Volumetric Data Fusion With Convolutional Neural Networks. IEEE Trans. Instrum. Meas. 71: 1-15 (2022) - 2021
- [j39]Juan Cheng, Yufei Xu, Rencheng Song, Yu Liu, Chang Li, Xun Chen:
Prediction of arterial blood pressure waveforms from photoplethysmogram signals via fully convolutional neural networks. Comput. Biol. Medicine 138: 104877 (2021) - [j38]Rencheng Song, Guoping Wang, Juan Cheng, Aiping Liu, Chang Li, Xun Chen:
Constrained independent vector extraction of quasi-periodic signals from multiple data sets. Signal Process. 189: 108296 (2021) - [j37]Wei Tang, Yu Liu, Juan Cheng, Chang Li, Xun Chen:
Green Fluorescent Protein and Phase Contrast Image Fusion Via Detail Preserving Cross Network. IEEE Trans. Computational Imaging 7: 584-597 (2021) - [j36]Rencheng Song, Youyou Huang, Kuiwen Xu, Xiuzhu Ye, Chang Li, Xun Chen:
Electromagnetic Inverse Scattering With Perceptual Generative Adversarial Networks. IEEE Trans. Computational Imaging 7: 689-699 (2021) - [j35]Jing Li, Hongtao Huo, Chang Li, Renhua Wang, Chenhong Sui, Zhao Liu:
Multigrained Attention Network for Infrared and Visible Image Fusion. IEEE Trans. Instrum. Meas. 70: 1-12 (2021) - [j34]Juan Cheng, Ping Wang, Rencheng Song, Yu Liu, Chang Li, Yong Liu, Xun Chen:
Remote Heart Rate Measurement From Near-Infrared Videos Based on Joint Blind Source Separation With Delay-Coordinate Transformation. IEEE Trans. Instrum. Meas. 70: 1-13 (2021) - [j33]Rencheng Song, Jiji Li, Juan Cheng, Chang Li, Yu Liu, Xun Chen:
Motion Robust Imaging Ballistocardiography Through a Two-Step Canonical Correlation Analysis. IEEE Trans. Instrum. Meas. 70: 1-10 (2021) - [j32]Jiahua Tang, Bao Zou, Chang Li, Shuai Feng, Hu Peng:
Plane-Wave Image Reconstruction via Generative Adversarial Network and Attention Mechanism. IEEE Trans. Instrum. Meas. 70: 1-15 (2021) - [j31]Juan Cheng, Meiyao Chen, Chang Li, Yu Liu, Rencheng Song, Aiping Liu, Xun Chen:
Emotion Recognition From Multi-Channel EEG via Deep Forest. IEEE J. Biomed. Health Informatics 25(2): 453-464 (2021) - [j30]Rencheng Song, Huan Chen, Juan Cheng, Chang Li, Yu Liu, Xun Chen:
PulseGAN: Learning to Generate Realistic Pulse Waveforms in Remote Photoplethysmography. IEEE J. Biomed. Health Informatics 25(5): 1373-1384 (2021) - [j29]Jing Li, Hongtao Huo, Chang Li, Renhua Wang, Qi Feng:
AttentionFGAN: Infrared and Visible Image Fusion Using Attention-Based Generative Adversarial Networks. IEEE Trans. Multim. 23: 1383-1396 (2021) - 2020
- [j28]Rencheng Song, Senle Zhang, Juan Cheng, Chang Li, Xun Chen:
New insights on super-high resolution for video-based heart rate estimation with a semi-blind source separation method. Comput. Biol. Medicine 116: 103535 (2020) - [j27]Yu Liu, Yufeng Ding, Chang Li, Juan Cheng, Rencheng Song, Feng Wan, Xun Chen:
Multi-channel EEG-based emotion recognition via a multi-level features guided capsule network. Comput. Biol. Medicine 123: 103927 (2020) - [j26]Yu Liu, Chao Zhang, Chang Li, Juan Cheng, Yadong Zhang, Huiqin Xu, Tao Song, Liang Zhao, Xun Chen:
A practical PET/CT data visualization method with dual-threshold PET colorization and image fusion. Comput. Biol. Medicine 126: 104050 (2020) - [j25]Yu Liu, Lei Wang, Juan Cheng, Chang Li, Xun Chen:
Multi-focus image fusion: A Survey of the state of the art. Inf. Fusion 64: 71-91 (2020) - [j24]Chang Li, Yu Liu, Juan Cheng, Rencheng Song, Jiayi Ma, Chenhong Sui, Xun Chen:
Sparse unmixing of hyperspectral data with bandwise model. Inf. Sci. 512: 1424-1441 (2020) - [j23]Jing Li, Hongtao Huo, Kejian Liu, Chang Li:
Infrared and visible image fusion using dual discriminators generative adversarial networks with Wasserstein distance. Inf. Sci. 529: 28-41 (2020) - [j22]Juan Cheng, Xingmao Wang, Rencheng Song, Yu Liu, Chang Li, Xun Chen:
Exploring the feasibility of seamless remote heart rate measurement using multiple synchronized cameras. Multim. Tools Appl. 79(31-32): 23023-23043 (2020) - [j21]Chenhong Sui, Chang Li, Jie Feng, Xiaoguang Mei:
Unsupervised Manifold-Preserving and Weakly Redundant Band Selection Method for Hyperspectral Imagery. IEEE Trans. Geosci. Remote. Sens. 58(2): 1156-1170 (2020) - [j20]Rencheng Song, Senle Zhang, Chang Li, Yunfei Zhang, Juan Cheng, Xun Chen:
Heart Rate Estimation From Facial Videos Using a Spatiotemporal Representation With Convolutional Neural Networks. IEEE Trans. Instrum. Meas. 69(10): 7411-7421 (2020) - 2019
- [j19]Jing Li, Hongtao Huo, Chenhong Sui, Chenchen Jiang, Chang Li:
Poisson Reconstruction-Based Fusion of Infrared and Visible Images via Saliency Detection. IEEE Access 7: 20676-20688 (2019) - [j18]Juan Cheng, Luchang Li, Chang Li, Yu Liu, Aiping Liu, Ruobing Qian, Xun Chen:
Remove Diverse Artifacts Simultaneously From a Single-Channel EEG Based on SSA and ICA: A Semi-Simulated Study. IEEE Access 7: 60276-60289 (2019) - [j17]Jiayi Ma, Yong Ma, Chang Li:
Infrared and visible image fusion methods and applications: A survey. Inf. Fusion 45: 153-178 (2019) - [j16]Jiayi Ma, Wei Yu, Pengwei Liang, Chang Li, Junjun Jiang:
FusionGAN: A generative adversarial network for infrared and visible image fusion. Inf. Fusion 48: 11-26 (2019) - 2018
- [j15]Juan Cheng, Fulin Wei, Chang Li, Yu Liu, Aiping Liu, Xun Chen:
Position-independent gesture recognition using sEMG signals via canonical correlation analysis. Comput. Biol. Medicine 103: 44-54 (2018) - [j14]Xiaoguang Mei, Yong Ma, Chang Li, Fan Fan, Jun Huang, Jiayi Ma:
Robust GBM hyperspectral image unmixing with superpixel segmentation based low rank and sparse representation. Neurocomputing 275: 2783-2797 (2018) - [j13]Yong Ma, Chang Li, Hao Li, Xiaoguang Mei, Jiayi Ma:
Hyperspectral Image Classification With Discriminative Kernel Collaborative Representation and Tikhonov Regularization. IEEE Geosci. Remote. Sens. Lett. 15(4): 587-591 (2018) - [j12]Chang Li, Yu Liu, Juan Cheng, Rencheng Song, Hu Peng, Qiang Chen, Xun Chen:
Hyperspectral Unmixing with Bandwise Generalized Bilinear Model. Remote. Sens. 10(10): 1600 (2018) - [j11]Tian Tian, Chang Li, Jinkang Xu, Jiayi Ma:
Urban Area Detection in Very High Resolution Remote Sensing Images Using Deep Convolutional Neural Networks. Sensors 18(3): 904 (2018) - [j10]Haiyan Fan, Chang Li, Yulan Guo, Gangyao Kuang, Jiayi Ma:
Spatial-Spectral Total Variation Regularized Low-Rank Tensor Decomposition for Hyperspectral Image Denoising. IEEE Trans. Geosci. Remote. Sens. 56(10): 6196-6213 (2018) - 2017
- [j9]Fan Fan, Yong Ma, Chang Li, Xiaoguang Mei, Jun Huang, Jiayi Ma:
Hyperspectral image denoising with superpixel segmentation and low-rank representation. Inf. Sci. 397: 48-68 (2017) - [j8]Chang Li, Yong Ma, Xiaoguang Mei, Fan Fan, Jun Huang, Jiayi Ma:
Sparse Unmixing of Hyperspectral Data with Noise Level Estimation. Remote. Sens. 9(11): 1166 (2017) - [j7]Hao Li, Chang Li, Cong Zhang, Zhe Liu, Chengyin Liu:
Hyperspectral Image Classification with Spatial Filtering and l(2, 1) Norm. Sensors 17(2): 314 (2017) - [j6]Yong Ma, Chang Li, Xiaoguang Mei, Chengyin Liu, Jiayi Ma:
Robust Sparse Hyperspectral Unmixing With ell2, 1 Norm. IEEE Trans. Geosci. Remote. Sens. 55(3): 1227-1239 (2017) - 2016
- [j5]Jiayi Ma, Chen Chen, Chang Li, Jun Huang:
Infrared and visible image fusion via gradient transfer and total variation minimization. Inf. Fusion 31: 100-109 (2016) - [j4]Chang Li, Yong Ma, Xiaoguang Mei, Chengyin Liu, Jiayi Ma:
Hyperspectral Image Classification With Robust Sparse Representation. IEEE Geosci. Remote. Sens. Lett. 13(5): 641-645 (2016) - [j3]Chang Li, Yong Ma, Jun Huang, Xiaoguang Mei, Chengyin Liu, Jiayi Ma:
GBM-Based Unmixing of Hyperspectral Data Using Bound Projected Optimal Gradient Method. IEEE Geosci. Remote. Sens. Lett. 13(7): 952-956 (2016) - [j2]Chang Li, Yong Ma, Xiaoguang Mei, Chengyin Liu, Jiayi Ma:
Hyperspectral Unmixing with Robust Collaborative Sparse Regression. Remote. Sens. 8(7): 588 (2016) - 2015
- [j1]Xiaoguang Mei, Yong Ma, Chang Li, Fan Fan, Jun Huang, Jiayi Ma:
A Real-Time Infrared Ultra-Spectral Signature Classification Method via Spatial Pyramid Matching. Sensors 15(7): 15868-15887 (2015)
Conference and Workshop Papers
- 2023
- [c10]Guoping Xu, Xuesong Leng, Chang Li, Xingwei He, Xinglong Wu:
MGFuseSeg: Attention-Guided Multi-Granularity Fusion for Medical Image Segmentation. BIBM 2023: 3587-3594 - [c9]Zhiwei Deng, Tingting Mao, Chenghao Shao, Chang Li, Xun Chen:
Domain Incremental Learning for EEG-Based Seizure Prediction. CICAI (2) 2023: 476-487 - 2022
- [c8]Wentao Liao, Guoping Xu, Xinglong Wu, Xuan Zhang, Chang Li:
Dual-branch body and boundary supervision network for ultrasound image segmentation. BIBM 2022: 3071-3077 - 2019
- [c7]Wei Tao, Chang Li, Juan Cheng:
A Robust Algorithm for Multichannel Eeg Compressed Sensing with Mixed Noise. GlobalSIP 2019: 1-5 - [c6]Jing Li, Hongtao Huo, Kejian Liu, Chang Li, Shuo Li, Xin Yang:
Infrared and Visible Image Fusion via Multi-discriminators Wasserstein Generative Adversarial Network. ICMLA 2019: 2014-2019 - 2016
- [c5]Jiayi Ma, Chang Li, Yong Ma, Zhongyuan Wang:
Hyperspectral image denoising based on low-rank representation and superpixel segmentation. ICIP 2016: 3086-3090 - [c4]Yong Ma, Chang Li, Jiayi Ma:
Robust sparse unmixing of hyperspectral data. IGARSS 2016: 6193-6196 - [c3]Chang Li, Yong Ma, Yuan Gao, Zhongyuan Wang, Jiayi Ma:
Sparse unmixing of hyperspectral data based on robust linear mixing model. VCIP 2016: 1-4 - [c2]Jiayi Ma, Junjun Jiang, Jun Chen, Chengyin Liu, Chang Li:
Multimodal retinal image registration using edge map and feature guided Gaussian mixture model. VCIP 2016: 1-4 - [c1]Jiayi Ma, Junjun Jiang, Chang Li:
Hyperspectral image denoising with segmentation-based low rank representation. VCIP 2016: 1-4
Informal and Other Publications
- 2024
- [i3]Jing Li, Lu Bai, Bin Yang, Chang Li, Lingfei Ma, Lixin Cui, Edwin R. Hancock:
Dual-modal Prior Semantic Guided Infrared and Visible Image Fusion for Intelligent Transportation System. CoRR abs/2403.16227 (2024) - 2023
- [i2]Jing Li, Lu Bai, Bin Yang, Chang Li, Lingfei Ma, Edwin R. Hancock:
Graph Representation Learning for Infrared and Visible Image Fusion. CoRR abs/2311.00291 (2023) - 2021
- [i1]Xun Chen, Chang Li, Aiping Liu, Martin J. McKeown, Ruobing Qian, Z. Jane Wang:
Toward Open-World Electroencephalogram Decoding Via Deep Learning: A Comprehensive Survey. CoRR abs/2112.06654 (2021)
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from , , and to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-11-07 20:32 CET by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint