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1,239 results on '"SHI Peijun"'

62. Lightweight Progressive Fusion Calibration Network for Rotated Object Detection in Remote Sensing Images.

Author

Liu, Jing, Jing, Donglin, Cao, Yanyan, Wang, Ying, Guo, Chaoping, Shi, Peijun, and Zhang, Haijing

Subjects
CONVOLUTIONAL neural networks, OBJECT recognition (Computer vision), FEATURE extraction, REMOTE sensing, IMAGE analysis
Abstract

Rotated object detection is a crucial task in aerial image analysis. To address challenges such as multi-directional object rotation, complex backgrounds with occlusions, and the trade-off between speed and accuracy in remote sensing images, this paper introduces a lightweight progressive fusion calibration network for rotated object detection (LPFC-RDet). The network comprises three main modules: the Retentive Meet Transformers (RMT) feature extraction block, the Progressive Fusion Calibration module (PFC), and the Shared Group Convolution Lightweight detection head (SGCL). The RMT feature extraction block integrates a retentive mechanism with global context modeling to learn rotation-insensitive features. The PFC module employs pixel-level, local-level, and global-level weights to calibrate features, enhancing feature extraction from occluded objects while suppressing background interference. The SGCL detection head uses decoupled detection tasks and shared group convolution layers to achieve parameter sharing and feature interaction, improving accuracy while maintaining a lightweight structure. Experimental results demonstrate that our method surpasses state-of-the-art detectors on three widely used remote sensing object datasets: HRSC2016, UCAS_AOD, and DOTA. [ABSTRACT FROM AUTHOR]

Published
2024
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64. The Tsinghua-Lancet Commission on Healthy Cities in China: unlocking the power of cities for a healthy China.

Author

Yang, Jun, Siri, José G, Remais, Justin V, Cheng, Qu, Zhang, Han, Chan, Karen KY, Sun, Zhe, Zhao, Yuanyuan, Cong, Na, Li, Xueyan, Zhang, Wei, Bai, Yuqi, Bi, Jun, Cai, Wenjia, Chan, Emily YY, Chen, Wanqing, Fan, Weicheng, Fu, Hua, He, Jianqing, Huang, Hong, Ji, John S, Jia, Peng, Jiang, Xiaopeng, Kwan, Mei-Po, Li, Tianhong, Li, Xiguang, Liang, Song, Liang, Xiaofeng, Liang, Lu, Liu, Qiyong, Lu, Yongmei, Luo, Yong, Ma, Xiulian, Schwartländer, Bernhard, Shen, Zhiyong, Shi, Peijun, Su, Jing, Wu, Tinghai, Yang, Changhong, Yin, Yongyuan, Zhang, Qiang, Zhang, Yinping, Zhang, Yong, Xu, Bing, and Gong, Peng

Subjects
Humans, Cities, Urbanization, Health Policy, Urban Health, Health Promotion, China, Medical and Health Sciences, General & Internal Medicine
Published
2018

98. Cities: build networks and share plans to emerge stronger from COVID-19

Author

Bai, Xuemei, Nagendra, Harini, Shi, Peijun, and Liu, Haiyan

Subjects
Epidemics -- Economic aspects -- Control, Sustainable urban development -- International aspects, International cooperation -- Health aspects, Economic recovery -- Planning, Mayors -- Planning, Metropolitan areas -- Safety and security measures -- Economic aspects, Company business planning, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Responses to the pandemic in India's slums, Brazil's favelas and Africa's marketplaces show that networks play a crucial part in making cities more resilient. Let's enhance and empower them. Responses to the pandemic in India's slums, Brazil's favelas and Africa's marketplaces show that networks play a crucial part in making cities more resilient. Let's enhance and empower them., Author(s): Xuemei Bai, Harini Nagendra, Peijun Shi, Haiyan Liu Author Affiliations: Health workers check the temperatures of people in the Dharavi slum in Mumbai, India, as part of coronavirus screening. [...]

Published
2020
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