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北京大学 [4]
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期刊论文 [36]
学位论文 [10]
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Automatic identification of buildings vulnerable to debris flows in Sichuan Province, China, by GIS analysis and Deep Encoding Network methods
期刊论文
JOURNAL OF FLOOD RISK MANAGEMENT, 2022, 页码: 18
作者:
Wei, Li
;
Hu, Kaiheng
;
Liu, Jin
收藏
  |  
浏览/下载:52/0
  |  
提交时间:2022/09/20
building extraction
building position
debris flow hazards
GF-2 satellite image
vulnerability matrix
Sea Surface Wind Speed Retrieval From Textures in Synthetic Aperture Radar Imagery
期刊论文
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2022, 卷号: 60, 页码: 11
作者:
Zhou, Lizhang
;
Zheng, Gang
;
Yang, Jingsong
;
Li, Xiaofeng
;
Zhang, Bin
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  |  
浏览/下载:66/0
  |  
提交时间:2022/02/18
Radar polarimetry
Sea surface
Oceanography
Atmospheric modeling
Surface waves
Atmospheric waves
Wind speed
Entropy
gray-level cooccurrence matrix (GLCM)
synthetic aperture radar (SAR)
sea surface wind speed (SSWS)
textures
Speech BioHashing security authentication algorithm based on CNN hyperchaotic map
期刊论文
Multimedia Tools and Applications, 2022
作者:
Huang, Yi-bo
;
Yuan-Zhang
;
Chen, Teng-Fei
;
Yan, Shao-Hui
;
Zhang, Qiu-yu
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  |  
浏览/下载:21/0
  |  
提交时间:2022/07/20
Authentication
Cryptography
Speech recognition
BioHashing
Biosafety template
CNN hyperchaotic map
Content authentication
Hyperchaotic maps
Security authentication
Speech content
Speech content authentication
Tamper detection
Tamper detection and location
Multi-format speech BioHashing based on energy to zero ratio and improved LP-MMSE parameter fusion
期刊论文
Multimedia Tools and Applications, 2021, 卷号: 80, 期号: 7, 页码: 10013-10036
作者:
Wang, Yong
;
Huang, Yi-bo
;
Zhang, Ran
;
Zhang, Qiu-yu
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  |  
浏览/下载:12/0
  |  
提交时间:2021/06/03
Authentication
Chaotic systems
Mean square error
Application range
Covariance method
Detection and localization
Linear prediction
Minimum mean square errors
Real time performance
Time-frequency parameter
Zero crossing rate
Audio fingerprint retrieval method based on feature dimension reduction and feature combination
期刊论文
KSII Transactions on Internet and Information Systems, 2021, 卷号: 15, 期号: 2, 页码: 522-539
作者:
Zhang, Qiu-Yu
;
Xu, Fu-Jiu
;
Bai, Jian
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  |  
浏览/下载:12/0
  |  
提交时间:2021/06/03
Hamming distance
Information retrieval
Speech analysis
Dimension reduction
Distance algorithm
Feature combination
Feature dimensions
Information entropy
Mel-frequency cepstral coefficients
Retrieval accuracy
Retrieval efficiency
A New Robust Adaptive Fusion Method for Double-Modality Medical Image PET/CT
期刊论文
BIOMED RESEARCH INTERNATIONAL, 2021, 卷号: 2021
作者:
Zhou, Tao
;
Lu, Huiling
;
Hu, Fuyuan
;
Shi, Hongbin
;
Qiu, Shi
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  |  
浏览/下载:27/0
  |  
提交时间:2021/03/26
Audio Fingerprint Retrieval Method Based on Feature Dimension Reduction and Feature Combination
期刊论文
KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS, 2021, 卷号: 15, 期号: 2, 页码: 522-539
作者:
Zhang, Qiu-yu
;
Xu, Fu-jiu
;
Bai, Jian
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  |  
浏览/下载:16/0
  |  
提交时间:2021/06/03
Audio Fingerprint Retrieval
MFCC
LPCC
Feature Dimension Reduction
Feature Combination
Quantitative evaluation of nanoparticle dispersion based on modeling methods and image analysis: A case study on nano-Sb2O3 filled Poly (butylene terephthalate) composites
期刊论文
POLYMER COMPOSITES, 2021, 卷号: 42, 期号: 6, 页码: 3098-3113
作者:
Kang, Chenghu
;
Xu, Jianlin
;
Niu, Lei
;
Li, Chengsi
;
Fan, Jiliang
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  |  
浏览/下载:3/0
  |  
提交时间:2021/06/03
nanoparticle
quantitative dispersion
modeling method
image analysis
nanocomposites
An efficient retrieval approach for encrypted speech based on biological hashing and spectral subtraction
期刊论文
Multimedia Tools and Applications, 2020, 卷号: 79, 期号: 39-40, 页码: 29775-29798
作者:
Zhang, Qiu-yu
;
Li, Gai-li
;
Huang, Yi-bo
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2020/11/14
Authentication
Conformal mapping
Cryptography
Discrete wavelet transforms
Efficiency
Fast Fourier transforms
Hamming distance
Photomapping
Signal reconstruction
Speech
Speech communication
Autocorrelation functions
Distance algorithm
Encrypted speech
Integrity authentications
Mapping algorithms
Retrieval efficiency
Spectral subtractions
Strong robustness
Improved estimation of motion blur parameters for restoration from a single image
期刊论文
PLOS ONE, 2020, 卷号: 15, 期号: 9
作者:
Zhou, Wei
;
Hao, Xingxing
;
Wang, Kaidi
;
Zhang, Zhenyang
;
Yu, Yongxiang
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  |  
浏览/下载:26/0
  |  
提交时间:2020/10/27
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