中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
重庆绿色智能技术研究... [2]
计算技术研究所 [1]
长春光学精密机械与物... [1]
自动化研究所 [1]
采集方式
OAI收割 [5]
内容类型
期刊论文 [4]
会议论文 [1]
发表日期
2023 [1]
2018 [1]
2017 [1]
2016 [1]
2011 [1]
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Improving Face Anti-spoofing via Advanced Multi-perspective Feature Learning
期刊论文
OAI收割
ACM TRANSACTIONS ON MULTIMEDIA COMPUTING COMMUNICATIONS AND APPLICATIONS, 2023, 卷号: 19, 期号: 6, 页码: 18
作者:
Wang, Zhuming
;
Xu, Yaowen
;
Wu, Lifang
;
Han, Hu
;
Ma, Yukun
  |  
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2023/12/04
Face anti-spoofing
multi-perspective
universal cues
Multi-perspective comparisons and mitigation implications of SO2 and NOx discharges from the industrial sector of China: a decomposition analysis
期刊论文
OAI收割
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2018, 卷号: 25, 期号: 10, 页码: 9600-9614
作者:
Jia, Junsong
;
Gong, Zhihai
;
Gu, Zhongyu
;
Chen, Chundi
;
Xie, Dongming
  |  
收藏
  |  
浏览/下载:41/0
  |  
提交时间:2018/06/04
Multi-perspective
Decomposition analysis
Industrial SO2 and NOx discharges
LMDI
China
Multi-Perspectives' Comparisons and Mitigating Implications for the COD and NH3-N Discharges into the Wastewater from the Industrial Sector of China
期刊论文
OAI收割
WATER, 2017, 卷号: 9, 期号: 3, 页码: 18
作者:
Jia, Junsong
;
Jian, Huiyong
;
Xie, Dongming
;
Gu, Zhongyu
;
Chen, Chundi
  |  
收藏
  |  
浏览/下载:36/0
  |  
提交时间:2018/03/15
multi-perspective
drivers
COD and NH3-N discharges
mitigating implication
LMDI
China
Multi-Perspective Cost-Sensitive Context-Aware Multi-Instance Sparse Coding and Its Application to Sensitive Video Recognition
期刊论文
OAI收割
IEEE TRANSACTIONS ON MULTIMEDIA, 2016, 卷号: 18, 期号: 1, 页码: 76-89
作者:
Hu, Weiming
;
Ding, Xinmiao
;
Li, Bing
;
Wang, Jianchao
;
Gao, Yan
收藏
  |  
浏览/下载:51/0
  |  
提交时间:2016/03/19
Cost-sensitive context-aware multi-instance sparse coding (MI-SC)
horror video recognition
multi-perspective multi-instance joint sparse coding (MI-J-SC)
video emotional feature extraction
violent video recognition
Research on infrared dim-point target detection and tracking under sea-sky-line complex background (EI CONFERENCE)
会议论文
OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, May 24, 2011 - May 24, 2011, Beijing, China
作者:
Dong Y.-X.
;
Zhang H.-B.
;
Li Y.
;
Li Y.
;
Li Y.
收藏
  |  
浏览/下载:108/0
  |  
提交时间:2013/03/25
Target detection and tracking technology in infrared image is an important part of modern military defense system. Infrared dim-point targets detection and recognition under complex background is a difficulty and important strategic value and challenging research topic. The main objects that carrier-borne infrared vigilance system detected are sea-skimming aircrafts and missiles. Due to the characteristics of wide field of view of vigilance system
the target is usually under the sea clutter. Detection and recognition of the target will be taken great difficulties.There are some traditional point target detection algorithms
such as adaptive background prediction detecting method. When background has dispersion-decreasing structure
the traditional target detection algorithms would be more useful. But when the background has large gray gradient
such as sea-sky-line
sea waves etc.The bigger false-alarm rate will be taken in these local area.It could not obtain satisfactory results. Because dim-point target itself does not have obvious geometry or texture feature
in our opinion
from the perspective of mathematics
the detection of dim-point targets in image is about singular function analysis.And from the perspective image processing analysis
the judgment of isolated singularity in the image is key problem. The foregoing points for dim-point targets detection
its essence is a separation of target and background of different singularity characteristics.The image from infrared sensor usually accompanied by different kinds of noise. These external noises could be caused by the complicated background or from the sensor itself. The noise might affect target detection and tracking. Therefore
the purpose of the image preprocessing is to reduce the effects from noise
also to raise the SNR of image
and to increase the contrast of target and background. According to the low sea-skimming infrared flying small target characteristics
the median filter is used to eliminate noise
improve signal-to-noise ratio
then the multi-point multi-storey vertical Sobel algorithm will be used to detect the sea-sky-line
so that we can segment sea and sky in the image. Finally using centroid tracking method to capture and trace target. This method has been successfully used to trace target under the sea-sky complex background. 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).