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Qinghai University
2024
Beijing Institute of Technology
2013-2023
Beijing Institute of Genomics
2022
University of Chinese Academy of Sciences
2018-2022
Xi'an Institute of Optics and Precision Mechanics
2018
China Waterborne Transport Research Institute
2017
Anhui Business College
2009-2010
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The large amount of data collected by intelligent devices in consumer electronics cannot be fully utilized because it involves a lot privacy information. At present, researchers propose many security protection schemes, among which the scheme using edge computing architecture attracts much attention. However, existing schemes simultaneously address security, efficiency, and robustness, especially case dropout. Therefore, we an device secure federated learning named ApaPRFL. ApaPRFL is based...
Many monitoring and reconnaissance images are shot in night without auxiliary light, so those usually very dim need enhancement processing which can be realized by Retinex with a good effect, but needs the color restoration. Based on contrastive analysis RGB HSI space, differences, advantages disadvantages compared considering transformation of algorithm from to construct SSRHSI obtain new effect
It is challenging to restore a clear image from an atmospheric degraded sequence. The main reason for the degradation geometric distortion and blurring caused by turbulence. In this paper, we present method eliminate blur recover single high-quality sequence images. First, use optical flow technology register images, thereby suppressing deformation of each frame. Next, images are summed temporal filter obtain blurred image. Then, graph Laplacian matrix used as cost function construct...
The generation of active area especially the irregular can always happen during geometry affine transformation in image geometric correction and clipping along administrative shape file, but there are few methods or algorithms order to obtain area. article analyses current situation extracting area, designs an algorithm obtaining based on Convex Hull Algorithms implements a Mosaic module for remote sensing algorithm. experiment proves that effect article's mosaic method is better than main...
In certain driving situations, indirect viewing systems can support drivers when the field of view is restricted. For some special vehicles, by applying vision system, could be protected from dangerous working environment. four experiments, we measured task performance, workload and fatigue in different systems. The image parameters considered here are camera lens (FOV), magnification factor viewpoint. results indicate that larger driver's causes greater while a smaller reduce fatigue....
This paper describes the current up-to-date model of interaction between two ships in an overtaking situation, build mathematical for ship's motion based on MMG and simulate maneuvering when they are restricted waters by a semi-theoretical semi-empirical model. One hand, to verify correctness model; other provide some useful references ship-handling heavy traffic waters. provides way study situation.
Generally the surround space constant of Retinex's center/surround algorithm is an empirical value that between 25 and 250, it small images. For larger engineering images, how much should parameter be? In addition, in this algorithm, convolution operation whose efficiency very low. It a bottleneck has impact on algorithm's application image engineering. How to solve problem will have practical