Xiaolan Qiu

159 papers C 41Journal 113Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
IEEE Geosci. Remote. Sens. Lett.
Zirui Ma, Xinyi Ye, Zhe Zhang, Bingchen Zhang, Xiaolan Qiu
2025 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Muhan Wang, Silin Gao, Xiaolan Qiu, Zhe Zhang
2025 J jnl
IEEE Trans. Geosci. Remote. Sens.
Shujie Song, Xiaolan Qiu, Zekun Jiao, Qiancheng Yan
2025 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Shujie Song, Xiaolan Qiu, Songtao Shangguan, Yitong Luo, Ziya Li, Zhe Zhang, Hang Li
2025 J jnl
IEEE Trans. Neural Networks Learn. Syst.
Qiulei Dong, Zhengming Zhou, Xiaolan Qiu, Liting Zhang
2025 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Shuhang Dong, Zekun Jiao, Liangjiang Zhou, Xiaolan Qiu, Qiancheng Yan
2025 conf
ISBI
Mingyue Zhao, Xiaolan Qiu, S. Kevin Zhou
2025 J jnl
IEEE Signal Process. Lett.
Qiancheng Yan, Xiaolan Qiu, Jiabao Guo, Zekun Jiao, Chibiao Ding
2025 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Zirui Ma, Zhe Zhang, Bingchen Zhang, Xiaolan Qiu
2025 J jnl
Medical Image Anal.
Mingyue Zhao, Han Li, Di Zhang, Jin Zhang, Xiuxiu Zhou, Li Fan, Xiaolan Qiu, Shiyuan Liu, S. Kevin Zhou
2025 J jnl
IEEE Trans. Geosci. Remote. Sens.
Min Chen, Xiaolan Qiu, Yao Cheng, Ruoming Li
2025 J jnl
IEEE Access
Jinghao Du, Dongdong Lu, Fei Li, Ke Liu, Xiaolan Qiu
2024 J jnl
Remote. Sens.
Haopeng Chan, Xiaolan Qiu, Xin Gao, Dongdong Lu
2024 J jnl
IEEE Geosci. Remote. Sens. Lett.
Yitong Luo, Xiaolan Qiu, Yao Cheng
2024 C conf
IGARSS
Zinan Liu, Shengren Niu, Xiaolan Qiu, Lingxiao Peng, Chibiao Ding
2024 C conf
IGARSS
Zekun Jiao, Qiancheng Yan, Xiaolan Qiu, Liangjiang Zhou, Bingnan Wang, Chibiao Ding
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Silin Gao, Wenlong Wang, Muhan Wang, Zhe Zhang, Zai Yang, Xiaolan Qiu, Bingchen Zhang, Yirong Wu
2024 J jnl
Remote. Sens.
Ming Gao, Xiaolan Qiu, Yao Cheng, Min Chen, Chibiao Ding
2024 C conf
IGARSS
Shujie Song, Xiaolan Qiu
2024 C conf
IGARSS
Min Chen, Ruoming Li, Xiaolan Qiu, Yao Cheng
2024 C conf
IGARSS
Lingxiao Peng, Yitong Luo, Xiaolan Qiu, Shengren Niu
2024 J jnl
Int. J. Appl. Earth Obs. Geoinformation
Muhan Wang, Xiaolan Qiu, Zhe Zhang, Silin Gao
2024 C conf
IGARSS
Qiancheng Yan, Zekun Jiao, Xiaolan Qiu, Chibiao Ding
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yuming Xiang, Liting Jiang, Feng Wang, Hongjian You, Xiaolan Qiu, Kun Fu
2024 J jnl
IEEE Geosci. Remote. Sens. Lett.
Yuwei Wu, Ruizhen Song, Zhe Zhang, Xiaolan Qiu, Weidong Yu
2024 J jnl
Remote. Sens.
Zehua Wang, Zezhong Wang, Xiaolan Qiu, Zhe Zhang
2024 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Yixin Wang, Xiaolan Qiu, Xuejiao Wen
2024 C conf
IGARSS
Aowei Wang, Mingyang Shang, Xiaolan Qiu, Zhe Zhang
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Zhongqi Wang, Chong Song, Bingnan Wang, Xiaolan Qiu, Maosheng Xiang
2024 C conf
IGARSS
Muhan Wang, Xiaolan Qiu, Silin Gao, Zhe Zhang
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yuwei Wu, Zhe Zhang, Xiaolan Qiu, Yao Zhao, Weidong Yu
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yuqing Lin, Xiaolan Qiu, Yitong Luo, Chibiao Ding
2024 C conf
IGARSS
Yixin Wang, Xiaolan Qiu, Xuejiao Wen
2024 C conf
IGARSS
Zhongling Huang, Zishi Wang, Xiaolan Qiu
2024 J jnl
CoRR
Yuqing Wang, Zhongling Huang, Shuxin Yang, Hao Tang, Xiaolan Qiu, Junwei Han, Dingwen Zhang
2024 J jnl
Remote. Sens.
Yao Cheng, Xiaolan Qiu, Dadi Meng
2024 J jnl
CoRR
Mingyue Zhao, Han Li, Li Fan, Shiyuan Liu, Xiaolan Qiu, S. Kevin Zhou
2024 C conf
IGARSS
Yuqing Lin, Xiaolan Qiu, Chibiao Ding
2024 J jnl
Remote. Sens.
Min Chen, Xiaolan Qiu, Yao Cheng, Mingyang Shang, Ruoming Li, Wangzhe Li
2024 J jnl
Remote. Sens.
Jinbiao Zhu, Bei Lin, Jie Pan, Yao Cheng, Xiaolan Qiu, Wen Jiang, Yuquan Liu, Mingqian Liu
2024 C conf
IGARSS
Yuqing Lin, Xiaolan Qiu, Yitong Luo, Chibiao Ding
2023 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yuming Xiang, Xuanqi Wang, Feng Wang, Hongjian You, Xiaolan Qiu, Kun Fu
2023 J jnl
IEEE Trans. Geosci. Remote. Sens.
Ruizhe Shi, Zhe Zhang, Xiaolan Qiu, Chibiao Ding
2023 C conf
IGARSS
Muhan Wang, Silin Gao, Zhe Zhang, Xiaolan Qiu
2023 J jnl
IEEE Geosci. Remote. Sens. Lett.
Linhui Wang, Yuming Xiang, Hongjian You, Xiaolan Qiu, Kun Fu
2023 J jnl
IEEE Trans. Geosci. Remote. Sens.
Muhan Wang, Zhe Zhang, Xiaolan Qiu, Silin Gao, Yue Wang
2023 J jnl
Remote. Sens.
Ziya Li, Xiaolan Qiu, Jun Yang, Dadi Meng, Lijia Huang, Shujie Song
2023 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Min Chen, Xiaolan Qiu, Ruoming Li, Wangzhe Li, Kun Fu
2023 J jnl
IEEE Geosci. Remote. Sens. Lett.
Dandan Zhao, Zhe Zhang, Dongdong Lu, Jian Kang, Xiaolan Qiu, Yirong Wu
2023 J jnl
IEEE Geosci. Remote. Sens. Lett.
Yuqing Lin, Xiaolan Qiu, Hang Li, Wei Wang, Zekun Jiao, Chibiao Ding
2023 J jnl
CoRR
Mingyue Zhao, Shang Zhao, Quan Quan, Li Fan, Xiaolan Qiu, Shiyuan Liu, S. Kevin Zhou
2023 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Guoru Zhou, Zhongqiu Xu, Yizhe Fan, Zhe Zhang, Xiaolan Qiu, Bingchen Zhang, Kun Fu, Yirong Wu
2023 C conf
IGARSS
Yuqing Lin, Yitong Luo, Xiaolan Qiu, Hang Li, Chibiao Ding
2023 J jnl
Remote. Sens.
Songtao Shangguan, Xiaolan Qiu, Kun Fu
2023 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Yipeng Zhang, Dongdong Lu, Xiaolan Qiu, Fei Li
2023 J jnl
Remote. Sens.
Yipeng Zhang, Dongdong Lu, Xiaolan Qiu, Fei Li
2023 J jnl
IEEE Trans. Geosci. Remote. Sens.
Xiaoling Lv, Xiaolan Qiu, Wenming Yu, Feng Xu
2023 C conf
IGARSS
Min Chen, Xiaolan Qiu, Xuejiao Wen, Hui Chen
2022 C conf
IGARSS
Yan Jin, Zezhong Wang, Jiankun Chen, Xiaolan Qiu
2022 J jnl
Remote. Sens.
Junrong Qu, Xiaolan Qiu, Wei Wang, Zezhong Wang, Bin Lei, Chibiao Ding
2022 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yuming Xiang, Niangang Jiao, Rui Liu, Feng Wang, Hongjian You, Xiaolan Qiu, Kun Fu
2022 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Dadi Meng, Lijia Huang, Xiaolan Qiu, Guangzuo Li, Yuxin Hu, Bing Han, Donghui Hu
2022 J jnl
Remote. Sens.
Yini Lv, Mingyang Shang, Lihua Zhong, Xiaolan Qiu, Chibiao Ding
2022 J jnl
Remote. Sens.
Songtao Shangguan, Xiaolan Qiu, Bin Han, Wenju Liu, Kun Fu
2022 C conf
IGARSS
Dadi Meng, Lijia Huang, Xiaolan Qiu, Guangzuo Li, Bing Han, Yuxin Hu
2022 J jnl
IEEE Geosci. Remote. Sens. Lett.
Yitong Luo, Xiaolan Qiu, Qian Dong, Kun Fu
2022 J jnl
Remote. Sens.
Ming Gao, Xiaolan Qiu, Yao Cheng, Junwei Lv, Chibiao Ding
2022 J jnl
CoRR
Muhan Wang, Zhe Zhang, Xiaolan Qiu, Silin Gao, Yue Wang
2022 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Xuejiao Wen, Xiaolan Qiu, Cui Lei, Wang Jiyun, Chen Qi
2022 J jnl
IEEE Trans. Geosci. Remote. Sens.
Jiankun Chen, Xiaolan Qiu, Chibiao Ding, Yirong Wu
2022 J jnl
Remote. Sens.
Qiancheng Yan, Zekun Jiao, Xiaolan Qiu, Bingnan Wang, Chibiao Ding
2022 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yexian Ren, Aoran Xiao, Fengming Hu, Feng Xu, Xiaolan Qiu, Chibiao Ding, Ya-Qiu Jin
2022 J jnl
IEEE Geosci. Remote. Sens. Lett.
Yuming Xiang, Lingxiao Peng, Feng Wang, Xiaolan Qiu
2022 J jnl
Remote. Sens.
Xin Zhao, Xiaoling Lv, Jinlei Cai, Jiayi Guo, Yueting Zhang, Xiaolan Qiu, Yirong Wu
2022 J jnl
Remote. Sens.
Zexin Lv, Xiaolan Qiu, Yao Cheng, Songtao Shangguan, Fangfang Li, Chibiao Ding
2022 J jnl
IEEE Trans. Geosci. Remote. Sens.
Yixin Zuo, Jiayi Guo, Yueting Zhang, Yuxin Hu, Bin Lei, Xiaolan Qiu, Chibiao Ding
2021 C conf
IGARSS
Yan Wang, Xuejiao Wen, Xiaolan Qiu
2021 C conf
IGARSS
Songlin Lei, Xiaolan Qiu, Chibiao Ding, Shujie Lei
2021 C conf
IGARSS
Ruizhe Shi, Zekun Jiao, Xiaolan Qiu, Chibiao Ding
2021 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Shengren Niu, Xiaolan Qiu, Bin Lei, Kun Fu
2021 C conf
IGARSS
Junrong Qu, Xiaolan Qiu, Chibiao Ding
2021 J jnl
Remote. Sens.
Zexin Lv, Fangfang Li, Xiaolan Qiu, Chibiao Ding
2021 J jnl
IEEE Trans. Geosci. Remote. Sens.
Zhongling Huang, Mihai Datcu, Zongxu Pan, Xiaolan Qiu, Bin Lei
2021 J jnl
Remote. Sens.
Yini Lv, Lihua Zhong, Xiaolan Qiu, Xinzhe Yuan, Junying Yang, Yuxin Hu, Chibiao Ding
2021 J jnl
Remote. Sens.
Junying Yang, Xiaolan Qiu, Mingyang Shang, Lihua Zhong, Chibiao Ding
2021 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Junying Yang, Xiaolan Qiu, Mingyang Shang, Lihua Zhong, Chibiao Ding
2021 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Junying Yang, Xiaolan Qiu, Mingyang Shang, Shouye Lv, Lihua Zhong, Chibiao Ding
2021 J jnl
CoRR
Jiankun Chen, Xiaolan Qiu, Chibiao Ding, Yirong Wu
2021 J jnl
Remote. Sens.
Songlin Lei, Dongdong Lu, Xiaolan Qiu, Chibiao Ding
2021 J jnl
IEEE Trans. Geosci. Remote. Sens.
Junbin Liu, Xiaolan Qiu, Chibiao Ding
2021 J jnl
Sensors
Junrong Qu, Xiaolan Qiu, Chibiao Ding, Bin Lei
2020 J jnl
Remote. Sens.
Junying Yang, Xiaolan Qiu, Mingyang Shang, Lihua Zhong, Chibiao Ding
2020 J jnl
Remote. Sens.
Lihua Zhong, Xiaolan Qiu, Bing Han, Yuxin Hu
2020 J jnl
IEEE Geosci. Remote. Sens. Lett.
Songlin Lei, Xiaolan Qiu, Yueting Zhang, Lijia Huang, Chibiao Ding
2020 C conf
IGARSS
Zekun Jiao, Chibiao Ding, Xiaolan Qiu, Liangjiang Zhou, Jiayi Guo, Dong Han
2020 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Songtao Shangguan, Xiaolan Qiu, Kun Fu, Bin Lei, Wen Hong
2020 J jnl
IEEE Geosci. Remote. Sens. Lett.
Niangang Jiao, Feng Wang, Hongjian You, Xiaolan Qiu
2020 conf
SAM
Xiaolan Qiu, Junying Yang, Mingyang Shang, Lihua Zhong, Chibiao Ding
2020 J jnl
IEEE Trans. Geosci. Remote. Sens.
Shengren Niu, Xiaolan Qiu, Bin Lei, Chibiao Ding, Kun Fu
2020 J jnl
Sensors
Xuejiao Wen, Xiaolan Qiu
2020 J jnl
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Mingyang Shang, Xiaolan Qiu, Bing Han, Junying Yang, Lihua Zhong, Chibiao Ding, Yuxin Hu
2019 J jnl
IEEE Geosci. Remote. Sens. Lett.
Dingsheng Hu, Anthony P. Doulgeris, Xiaolan Qiu, Bin Lei, Yan Jin
2019 J jnl
IEEE Access
Hailong Xu, Lijia Huang, Xiaolan Qiu, Bing Han, Lihua Zhong, Dadi Meng
2019 J jnl
Remote. Sens.
Junying Yang, Xiaolan Qiu, Lihua Zhong, Mingyang Shang, Chibiao Ding
2019 C conf
IGARSS
Wenji Xing, Xiaolan Qiu, Chibiao Ding
2019 C conf
IGARSS
Yueting Zhang, Fangfang Li, Chibiao Ding, Bin Lei, Xiaolan Qiu
2019 J jnl
Sensors
Shiyang Chen, Lijia Huang, Xiaolan Qiu, Mingyang Shang, Bing Han
2019 J jnl
Sensors
Bang Du, Xiaolan Qiu, Lijia Huang, Songlin Lei, Bin Lei, Chibiao Ding
2019 J jnl
Remote. Sens.
Mingyang Shang, Xiaolan Qiu, Bing Han, Chibiao Ding, Yuxin Hu
2019 J jnl
IEEE Access
Junbin Liu, Xiaolan Qiu, Lijia Huang, Chibiao Ding
2019 C conf
IGARSS
Jin Yan, Xiaolan Qiu, Lijia Huang
2019 J jnl
IEEE Geosci. Remote. Sens. Lett.
Songtao Shangguan, Xiaolan Qiu, Jintao Yang, Bin Lei, Chibiao Ding
2019 C conf
IGARSS
Lingxiao Peng, Xiaolan Qiu, Chibiao Ding, Wenjie Tie
2019 J jnl
Frontiers Inf. Technol. Electron. Eng.
Tingting Jin, Xiao-qiang She, Xiaolan Qiu, Bin Lei
2019 C conf
IGARSS
Songtao Shangguan, Xiaolan Qiu, Bin Lei
2019 J jnl
Remote. Sens.
Weibin Liang, Zengzeng Jia, Xiaolan Qiu, Jun Hong, Qingjun Zhang, Bin Lei, Fan Zhang, Zhaoguo Deng, Aichun Wang
2019 C conf
IGARSS
Jiayin Liu, Xiaolan Qiu, Baoquan Zhang, Feng Wang, Lei Liu
2018 J jnl
Sensors
Sha Jiang, Xiaolan Qiu, Bing Han, Wenlong Hu
2018 J jnl
Sensors
Xuejiao Wen, Xiaolan Qiu, Bing Han, Chibiao Ding, Bin Lei, Qi Chen
2018 J jnl
Sensors
Wei Ji, Xiaolan Qiu, Xuejiao Wen, Lijia Huang
2018 C conf
IGARSS
Junbin Liu, Xiaolan Qiu, Lijia Huang, Chibiao Ding, Ming Liu
2018 J jnl
Sensors
Wentao Wang, Jiayin Liu, Xiaolan Qiu
2018 C conf
IGARSS
Shang liang Xu, Xiaolan Qiu, Changbo Wang, Lihua Zhong, Xinzhe Yuan
2018 J jnl
Remote. Sens.
Sha Jiang, Xiaolan Qiu, Bing Han, Jili Sun, Chibiao Ding
2018 C conf
IGARSS
Yueting Zhang, Chibiao Ding, Bin Lei, Fangfang Li, Xiaolan Qiu
2018 J jnl
Sensors
Niangang Jiao, Feng Wang, Hongjian You, Xiaolan Qiu, Mudan Yang
2018 J jnl
Remote. Sens.
Jintao Yang, Xiaolan Qiu, Chibiao Ding, Bin Lei
2018 J jnl
IEEE Trans. Geosci. Remote. Sens.
Dadi Meng, Chibiao Ding, Donghui Hu, Xiaolan Qiu, Lijia Huang, Bing Han, Jiayin Liu, Ning Xu
2018 C conf
IGARSS
Lei Liu, Zongxu Pan, Xiaolan Qiu, Lingxiao Peng
2018 J jnl
Sensors
Bing Han, Chibiao Ding, Lihua Zhong, Jiayin Liu, Xiaolan Qiu, Yuxin Hu, Bin Lei
2017 J jnl
IEEE Geosci. Remote. Sens. Lett.
Zongxu Pan, Xiaolan Qiu, Zhongling Huang, Bin Lei
2017 J jnl
Remote. Sens.
Jiwei Zhu, Xiaolan Qiu, Zongxu Pan, Yueting Zhang, Bin Lei
2017 J jnl
Remote. Sens.
Tingting Jin, Xiaolan Qiu, Donghui Hu, Chibiao Ding
2017 J jnl
Sensors
Zongxu Pan, Lei Liu, Xiaolan Qiu, Bin Lei
2017 C conf
IGARSS
Fan Zhang, Hanyuan Tang, Qiang Yin, Jiayin Liu, Xiaolan Qiu, Yuxin Hu
2017 J jnl
IEEE Geosci. Remote. Sens. Lett.
Jiwei Zhu, Xiaolan Qiu, Zongxu Pan, Yueting Zhang, Bin Lei
2017 J jnl
Sensors
Tingting Jin, Xiaolan Qiu, Donghui Hu, Chibiao Ding
2017 J jnl
IEEE Trans. Geosci. Remote. Sens.
Dingsheng Hu, Stian Normann Anfinsen, Xiaolan Qiu, Anthony Paul Doulgeris, Bin Lei
2016 C conf
IGARSS
Dingsheng Hu, Anthony P. Doulgeris, Xiaolan Qiu, Bin Lei
2016 C conf
IGARSS
Jiayin Liu, Xiaolan Qiu, Wen Hong
2016 J jnl
Frontiers Inf. Technol. Electron. Eng.
Hui Zhang, Jun Hong, Xiaolan Qiu, Ji-chuan Li, Fangfang Li, Feng Ming
2016 J jnl
IEEE Geosci. Remote. Sens. Lett.
Tingting Jin, Xiaolan Qiu, Donghui Hu, Chibiao Ding
2016 C conf
IGARSS
Yueting Zhang, Xiaolan Qiu, Bin Lei, Kun Fu, Fangfang Li, Chibiao Ding
2015 C conf
IGARSS
Yueting Zhang, Fangfang Li, Qi Liu, Chibiao Ding, Xiaolan Qiu
2015 C conf
IGARSS
Dingsheng Hu, Anthony P. Doulgeris, Xiaolan Qiu
2015 J jnl
IEEE Geosci. Remote. Sens. Lett.
Lijia Huang, Xiaolan Qiu, Donghui Hu, Bing Han, Chibiao Ding
2014 C conf
IGARSS
Ding Sheng Hu, Xiaolan Qiu, Fangfang Li, Chi-Biao Ding
2014 C conf
IGARSS
Fangfang Li, Donghui Hu, Jiayin Liu, Xiaolan Qiu, Chibiao Ding
2014 C conf
IGARSS
Jiayin Liu, Xiaolan Qiu, Yuxin Hu, Wen Hong
2012 J jnl
IEEE Geosci. Remote. Sens. Lett.
Ruipeng Xu, Dandan Zhang, Donghui Hu, Xiaolan Qiu, Chibiao Ding
2012 J jnl
EURASIP J. Adv. Signal Process.
Xiaolan Qiu, Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld, Lijia Huang, Donghui Hu, Chibiao Ding
2011 J jnl
IEEE Trans. Geosci. Remote. Sens.
Lijia Huang, Xiaolan Qiu, Donghui Hu, Chibiao Ding
2010 J jnl
IEEE Trans. Geosci. Remote. Sens.
Xiaolan Qiu, Donghui Hu, Liangjiang Zhou, Chibiao Ding
2009 conf
IGARSS (2)
Xiaolan Qiu, Donghui Hu, Chibiao Ding
2009 conf
IGARSS (4)
Yueting Zhang, Chibiao Ding, Hongjian You, Xiaolan Qiu
2008 J jnl
IEEE Trans. Geosci. Remote. Sens.
Xiaolan Qiu, Donghui Hu, Chibiao Ding
2008 J jnl
IEEE Trans. Geosci. Remote. Sens.
Xiaolan Qiu, Donghui Hu, Chibiao Ding
2008 conf
IGARSS (3)
Xiaolan Qiu, Donghui Hu, Chibiao Ding, Daojing Li
2008 J jnl
IEEE Geosci. Remote. Sens. Lett.
Xiaolan Qiu, Donghui Hu, Chibiao Ding