搜索结果: 1-8 共查到“计算机科学技术 wavelet”相关记录8条 . 查询时间(0.117 秒)
MAPPING MAJOR CROPPING PATTERNS IN SOUTHEAST ASIA FROM MODIS DATA USING WAVELET TRANSFORM AND ARTIFICIAL NEURAL NETWORKS
MODIS data Croplands Wavelet transform Artificial neural networks (ANNs) Southeast Asia
2012/7/31
Agriculture is one of the most important sectors in the economy of Southeast Asia countries, especially Thailand and Vietnam. These two countries have been the largest rice suppliers in the world and ...
A novel method for lung segmentation on chest CT images: complex-valued artificial neural network with complex wavelet transform
Lung segmentation complex wavelet transform complex-valued artificial neural network
2010/7/31
Image segmentation is an important step in many computer vision algorithms. The objective of segmentation is to obtained an optimal region of convergences (ROC). Error in this stage will impact all hi...
Wavelet变换域的水印盲检测研究
数字水印 Wavelet变换 广义高斯分布 盲检测
2010/2/8
对Wavelet变换的高频系数进行统计分析，得出的结论是Wavelet变换的高频系数符合广义高斯分布，采用极大似然估计的方法对Wavelet变换系数的边缘分布和联合分布进行拟合，提出了一种Wavelet变换域水印盲检测框架。实验证明Wavelet变换域所提出水印检测器具备了良好的检测性能。
Illumination Transfer Using Homomorphic Wavelet Filtering and Its Application to Light-Insensitive Face Recognition
Homomorphic Wavelet Filtering Light-Insensitive Face Recognition
2008/12/31
In this paper, we propose a novel homomorphic wavelet filtering based illumination transfer technique to change the dominant lighting of one face image (source face image)to another face image (refere...
Exploring Inter-Frame Correlation Analysis and Wavelet-Domain Modeling for Real-Time Caption Detection in Streaming Video
Caption Detection Inter-Frame Correlation
2008/12/31
In recent years, the amount of streaming video has grown rapidly on the Web. Often, retrieving these streaming videos offers the challenge of indexing and analyzing the media in real time because the ...
Illumination Transfer Using Homomorphic Wavelet Filtering and Its Application to Light-Insensitive Face Recognition
Illumination Transfer Using Homomorphic Wavelet Filtering Its Application Light-Insensitive Face Recognition
2008/9/17
In this paper, we propose a novel homomorphic wavelet filtering based illumination transfer technique to change the dominant lighting of one face image (source face image) to another face image (refer...
WAVELET BASED DISTRIBUTED VIDEO CODING WITH SPATIAL SCALABILITY
WAVELET BASED DISTRIBUTED VIDEO CODING SPATIAL SCALABILITY
2008/6/17
In this paper, an improved spatial scalable wavelet domain distributed video coding (DVC) scheme is proposed. In this scheme, we adaptively apply differential pulse code modulation (DPCM) Wyner-Ziv (W...
Exploring Inter-Frame Correlation Analysis and Wavelet-Domain Modeling for Real-Time Caption Detection in Streaming Video
Caption Detection Inter-Frame Correlation Generalized Gaussian Model Streaming Video Analysis
2008/1/17
In recent years, the amount of streaming video has grown rapidly on the Web. Often, retrieving these streaming videos offers the challenge of indexing and analyzing the media in real time because the ...