搜索结果: 1-15 共查到“测绘科学技术 Wavelet”相关记录46条 . 查询时间(0.109 秒)
REMOTE SENSING IMAGE FUSION USING ICA AND OPTIMIZED WAVELET TRANSFORM
remote sensing data fusion multispectral image ICA wavelet transform
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...
EVALUATING THE INITIALIZATION METHODS OF WAVELET NETWORKS FOR HYPERSPECTRAL IMAGE CLASSIFICATION
Hyperspectral Classification Wavelet Neural Networks Wavelet Networks Initialization
2016/11/23
The idea of using artificial neural network has been proven useful for hyperspectral image classification. However, the high dimensionality of hyperspectral images usually leads to the failure of cons...
DETECTION OF ORTHOIMAGE MOSAICKING SEAMLINES BY MEANS OF WAVELET TRANSFORM
Orthoimage Seamline Orthomosaic Wavelet transform Undecimated DWT Cost analysis
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...
EVALUATION OF WAVELET AND NON-LOCAL MEAN DENOISING OF TERRESTRIAL LASER SCANNING DATA FOR SMALL-SCALE JOINT ROUGHNESS ESTIMATION
terrestrial laser scanning range noise data resolution joint roughness wavelet transform non-local mean denoising performance
2016/7/27
Terrestrial Laser Scanning (TLS) is a well-known remote sensing tool that enables precise 3D acquisition of surface morphology from distances of a few meters to a few kilometres. The morphological rep...
MULTI-SPECTRAL IMAGE FUSION METHOD BASED ON WAVELET TRANSFORMATION
Image fusion Wavelet transform Weighting average Threshold Characteristic of human vision system
2015/12/31
The paper focuses on image fusion between multi-spectral images and panchromatic images using a wavelet analysis method with good signal processing and image processing traits. A new weighting techniq...
WAVELET ENHANCEMENT OF CLOUD-RELATED SHADOW AREAS IN SINGLE LANDSAT SATELLITE IMAGERY
Wavelet image fusion shadow frequency decomposition Landsat
2015/12/31
Cloud-related shadows represent areas with low illumination conditions that affect remote sensing image quality. In this research, a wavelet-based image sharpening algorithm was developed to enhance s...
HYPERSPECTRAL RESOLUTION ENHANCEMENT USING HIGH-RESOLUTION IMAGERY WITH WAVELET PACKAGE ALGORITHM AND OPTIMAL INDEX PRINCIPLE
fusion Hyper spectral Processing Imagery Matching
2015/12/31
In this paper, aiming at image displaying and considering the characteristics of hyperspectral data and the requirements of practical application, a new hyperspectral image fusion method is proposed. ...
THE FUSION OF SPOT PANCHROMATIC AND TM MULITSPECTRAL IMAGE BASED ON MULTI-BAND BIORTHOGONAL WAVELET
Fusion Multi-band Biorthogonal Wavelet TM SPOT
2015/12/31
Remote sensing image fusion aims at integrating the information conveyed by data acquired with different spatial and spectral resolution from satellite and aerial platforms. Image fusion is a very imp...
FUSION OF REMOTE SENSING IMAGE BASE ON THE PCA+ATROUS WAVELET TRANSFORM
Image fusion High spatial resolution wavelet decomposition Assessment criteria PCA
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...
VEGETATION DYNAMICAL PATTERNS RELATED TO RAINFALL VARIABILITY ANALYSED WITH WAVELET COHERENCY FOR SOUTHERN AFRICA
Multi-spectral remote sensing Change detection Environmental monitoring Image interpretation Spatial-temporal Analysis wavelet transformation
2015/12/31
This study contributes to a better understanding of the spatial and temporal patterns of ecosystem dynamics in Southern Africa in response to climatic variability. First, we identified the areas where...
ASAR IMAGE TARGET RECOGNITION BASED ON THE COMBINED WAVELET TRANSFORMATION
Advanced Synthetic Aperture Radar Target Recognition Combined Wavelet Transformation Cloud Model Mathematical Morphology
2015/12/30
ASAR image target detection and recognition has been always a hot research. In this paper, on the foundation of the previous studies, a target recognition method based on combined wavelet transformati...
CHARACTERIZING LAI SPATIAL AND TEMPORAL VARIABILITY USING A WAVELET APPROACH
Leaf Area Index Remote Sensing Variability Wavelet
2015/12/30
Vegetation plays an important role in the exchange of carbon dioxide, water, and energy between the land surface and the atmosphere. LAI, defined as one-half the total green leaf area per unit of grou...
The Selection of Reversible Integer-to-Integer Wavelet Transforms for DEM Multi-Scale Representation and Progressive Compression
DEM Multi-scale Representation Compression Geographical Services Web Based
2015/12/16
In web based GIS visual simulation systems, the DEM multi-scale presentation and lossy-to-lossless progressive compression and transmission based on integer-to-integer wavelet transforms can eliminate...
SEGMENTATION OF POLARIMETRIC SAR IMAGES USIG WAVELET TRANSFORMATION AND TEXTURE FEATURES
Segmentation Polarimetric Synthetic Aperture Radar (PolSAR) Wavelet Speckle Multiresolution Texture Feature
2016/1/18
Polarimetric Synthetic Aperture Radar (PolSAR) sensors can collect useful observations from earth’s surfaces and phenomena for various remote sensing applications, such as land cover mapping, change a...
The Construction of Anti-Symmetrical Wavelet and Building Extraction from Remote Sensing Imagery
Anti-symmetrical wavelet Multi-Scale Edge Detection Lifting wavelet Parameter Feature Matching
2015/12/9
The principal technical problem of 3D building semi-automatic acquisition from remote-sensing images was discussed by using wavelet analysis, combining digital photogrammetry and computer vision. A se...