搜索结果: 1-15 共查到“知识库 工学 wavelet transform”相关记录24条 . 查询时间(0.306 秒)
BUILT-UP AREA DETECTION FROM HIGH-RESOLUTION SATELLITE IMAGES USING MULTI-SCALE WAVELET TRANSFORM AND LOCAL SPATIAL STATISTICS
Built-up Area Detection High-resolution Satellite Image Wavelet Transform Local Spatial Statistics
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2018/5/11
Recently, built-up area detection from high-resolution satellite images (HRSI) has attracted increasing attention because HRSI can provide more detailed object information. In this paper, multi-resolu...
REMOTE SENSING IMAGE FUSION USING ICA AND OPTIMIZED WAVELET TRANSFORM
remote sensing data fusion multispectral image ICA wavelet transform
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2016/11/23
In remote-sensing image processing, fusion (pan-sharpening) is a process of merging high-resolution panchromatic and lower resolution multispectral (MS) imagery to create a single high-resolution colo...
DETECTION OF ORTHOIMAGE MOSAICKING SEAMLINES BY MEANS OF WAVELET TRANSFORM
Orthoimage Seamline Orthomosaic Wavelet transform Undecimated DWT Cost analysis
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2016/11/8
The detection of orthoimage mosaicking seamlines by means of wavelet transform was examined. Radiometric alignment was omitted, giving priority to the issue of seamlines which bypass locations where t...
FUSION OF REMOTE SENSING IMAGE BASE ON THE PCA+ATROUS WAVELET TRANSFORM
Image fusion High spatial resolution wavelet decomposition Assessment criteria PCA
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2015/12/31
On the basis that the PCA transformation and additive wavelet transformation have their own advantages and disadvantages——higher spatial resolution can be acquired from the PCA transformation; however...
A Watermarking Algorithm for Vector Spatial Geo-Data Based on Integer Wavelet Transform
Digital Watermarking Vector Geo-Spatial Data Integer Wavelet Transform Robust
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2015/12/11
Considering the characteristic of vector geo-spatial data for digital watermarking, this paper presents a new watermarking algorithm for vector geo-spatial data based on integer wavelet transform. By ...
Speckle Denoising Based on Bivariate Shrinkage Functions and Dual-Tree Complex Wavelet Transform
Transformation Algorithms SAR Radiometric Processing, Image
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2015/11/20
Bivariate shrinkage functions (bsf) statistically denoted as joint probability density functions (pdf) and noise pdf, can be united by MAP to denoise image. Because the intensity of speckle in synthet...
EVALUATION OF SATELLITE IMAGE FUSION USING WAVELET TRANSFORM
Fusion Remote Sensing Transformation Multispectral Spatial Spectral Algorithms Resolution
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2015/7/30
This paper addresses the principles, implementation and evaluation of wavelet transformation based image fusion. 2-D discrete
wavelet transformation is presented concisely to facility the understand...
Registration of Remote Sensing Image Data Based on Wavelet Transform
Registration Haar wavelet transform Daubechies’ wavelet transform
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2015/5/18
A registration method of remotely sensed image data which is base on the wavelet transform is proposed. The shape information of the regions
in the images is analyzed by the Haar and Daubechies’wavel...
IMAGE FUSION USING WAVELET TRANSFORM
IMAGE FUSION WAVELET TRANSFORM
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2015/3/13
IMAGE FUSION USING WAVELET TRANSFORM.
MORPHOLOGICAL SLOPE FAILURE DETECTION USING MULTISENSOR DATA MERGED BY WAVELET TRANSFORM
Form slope multi-sensor data fault detection
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2015/2/4
MORPHOLOGICAL SLOPE FAILURE DETECTION USING MULTISENSOR DATA MERGED BY WAVELET TRANSFORM.
Multisensensor Multitemporal Data Fusion Using Wavelet Transform
Fusion multiresolution multitemporal wavelet
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2014/12/4
Interest in data fusion, for remote-sensing applications, continues to grow due to the increasing importance of obtaining data in high resolution both spatially and temporally. Applications that will ...
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
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2014/4/28
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 ...
SIGNAL NOISE REDUCTION BASED ON WAVELET TRANSFORM IN TWO-WAVELENGTH LIDAR SYSTEM
LIDAR Data mining Proceedings Algorithms Estimation
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2014/4/29
Nowadays lidar has become a leading edge technology for photogrammetry and remote sensing. A new lidar with two detection wavelengths was presented in this paper. The two-wavelength lidar can obtain s...
Application of artificial neural network and wavelet transform for vibration analysis of combined faults of unbalances and shaft bow
Rotor test rig Rotor faults vibration analysis, unbalance
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2010/9/26
The vibration analysis of rotating machinery can give an indication of the condition of potential faults such as unbalance, bent shaft, shaft crack, bearing clearance, rotor rub, misalignment, loosene...
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
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2010/10/12
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...