搜索结果: 1-15 共查到“Sub-pixel”相关记录25条 . 查询时间(0.062 秒)
2D Sub-Pixel Disparity Measurement Using QPEC/Medicis
2D Stereo Matching Sub-pixel Disparity Geometric Calibration QPEC Medicis
2016/7/4
In the frame of its earth observation missions, CNES created a library called QPEC, and one of its launcher called Medicis. QPEC / Medicis is a sub-pixel two-dimensional stereo matching algorithm that...
A NOVEL SUB-PIXEL MATCHING ALGORITHM BASED ON PHASE CORRELATION USING PEAK CALCULATION
Image Matching Phase Correlation Peak Calculation Window Constraint Correlation Coefficient
2016/7/4
The matching accuracy of homonymy points of stereo images is a key point in the development of photogrammetry, which influences the geometrical accuracy of the image products. This paper presents a no...
GRADIENT CROSS CORRELATION FOR SUB-PIXEL MATCHING
Correlation Matching Registration Fusion Multisensor
2015/12/31
Sub-pixel matching is one of the key components for image registration and image fusion. Ideally, image matching should allow for offsets in the target image, and for scaling and rotation. Offsets all...
CLASS BASED RATIOING EFFECT ON SUB-PIXEL SINGLE LAND COVER AUTOMATIC MAPPING
Sub-pixel Possibilistic c-Means (PCM) Image Ratioing Fuzzy Error Matrix (FERM)
2015/12/31
Sub-pixel based digital image classification outputs from coarse spatial resolution remote sensing images can be closer to ground information as compared to hard classification outputs. This has been ...
SOME ISSUES RELATED WITH SUB-PIXEL CLASSIFICATION USING HYPERION DATA
Hyperspectral Data Sub-pixel Mixed Pixels Support Vector Machine (SVM) Fuzzy Error Matrix (FERM)
2015/12/30
The most significant breakthrough in remote sensing has been the development of hyperspectral sensors. Due to the spectral resolution limitations of conventional multispectral remote sensing, hyperspe...
An Integrated Feature Based Method for Sub-Pixel Image Matching
Feature-Based Method Sub-pixel Accuracy Surface Fitting Image Matching
2015/11/24
Feature matching is to find the pair-wise corresponding features in the reference and sensed images. The features can be an edge, a corner, an end point, a line or a curve, etc. Image matching as the ...
Wavelength influence in sub-pixel temperature retrieval using the dual-band technique
remote sensing volcanoes dual-band DAIS sensor hyperspectral analysis
2015/9/7
The thermal model proposed by Crisp and Baloga (1990) for active lava flows considers thermal flux as a function of the fractional area of two thermally distinct radiant surfaces. In this model, the l...
analysis of artefacts in sub-pixel remote sensing image registration
Interpolation arifacts image registration disparity map similarity measure
2015/8/31
Sub-pixel accuracy image registration is needed for many applications. In order to achieve this accuracy, one uses image re-sampling.Since the image interpolation step is performed a high number of ti...
NEW ALGORITHM FOR SUB-PIXEL BOUNDARY MAPPING
Mixed Pixel Endmember Spatial Pattern Sub-Pixel Boundary Mapping
2015/8/31
Remotely sensed images often contain a combination of both pure and mixed pixels. Analysis and classification of remotely sensed
imagery used to provide information on the spatial pattern of land co...
Statistical based algorithms, like Linear Mixture Model (LMM); Fuzzy Set Theory based algorithms, like Fuzzy c-means (FCM),
and Artificial Neural Network (ANN) based classification algorithms have be...
Determining the overburden dumps by sub-pixel method
Remote Sensing Environment Data Processing
2015/8/21
Delineation of overburden dumps by means of remotely sensed multispectral data with moderate spatial resolution (e.g. Landsat
TM/ETM+ 30m) is a challenging task. The major difficulties arise from: 1)...
A comparison of the performance of fuzzy algorithm versus statistical algorithm based sub-pixel classifier for remote sensing data
Fuzzy c-Means (FCM) Possibilistic c-Means (PCM) Maximum Likelihood Classifier (MLC)
2015/8/20
It is found that sub-pixel classifiers for classification of multi-spectral remote sensing data yield a higher accuracy. With this
objective, a study has been carried out, where fuzzy set theory base...
Profile based sub-pixel-classification of hemispherical images for solar radiation analysis in forest ecosystems
fisheye hemispherical images classification
2015/8/20
The analysis of classified hemispherical images of forest stands is a common method in forestry to determine site-related factors for
plants. A segmentation of hemispheric images, followed by an inte...
SUB-PIXEL EDGE LOCALIZATION BASED ON LASER WAVEFORM ANALYSIS
Urban Analysis Laser scanning LIDAR Edge Sub-pixel precision
2015/8/13
Laser range data is of high interest in photogrammetry. However, compared to passive imagery, it usually has a lower image
resolution, making geometry extraction and modeling challenging. A method t...
ESTIMATION OF SUB-PIXEL IMPERVIOUS SURFACES USING LANDSAT AND ASTER IMAGERY FOR ASSESSING URBAN GROWTH
Urban Landsat ASTER Imperviousness
2015/8/3
Urban development has expanded rapidly in the Las Vegas, Nevada metropolitan area over the last fifty years. Associated with this growth trend has been the transformation of the landscape from natural...