搜索结果: 1-15 共查到“测绘科学技术 Z-transform”相关记录29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...
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...
FRAMELET-BASED MULTIRESOLUTION IMAGE FUSION WITH AN IMPROVED INTENSITY-HUE-SATURATION TRANSFORM
Satellite remote sensing Pan-sharpening Intensity-Hue-Saturation transform Wavelets Framelets IKONOS imagery
2015/12/31
The fusion of the panchromatic (PAN) image with multispectral (MS) images is a very useful tool for remote sensing applications that require both high-spatial and high-spectral resolution. A hybrid fu...
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...
SAR IMAGE REGISTRATION USING A NEW APPROACH BASED ON THE GENERALIZED HOUGH TRANSFORM
Remote Sensing Vision Sciences Radar Analysis Registration Algorithms Matching Transformation
2015/12/30
Radar Imaging using SAR systems provides specific information that is very useful in the frame of "Digital Earth" applications (i.e. flood supervision, forestry or agriculture watch,). The main intere...
A Detail Preserved Compression Based on Contourlet Transform
Wavelet Based Contourlet Transform Detail Preserving Directional Decomposition Bitplane Coding
2015/12/11
It is well known that the commonly used separable extensions of one-dimensional transforms, such as the wavelet transform, have limitations in capturing the geometry of image edges. But natural scene ...
A Robust Estimation Algorithm of Epipolar Geometry through the Hough Transform
Computer vision Fundamental Matrix Epipolar Geometry Collinear Point Redundancy the Hough Transform
2015/12/3
Fundamental matrix is an algebraic expression of the epipolar geometry, and plays a very important role in the computer vision. It is all along an important research topic that how to raise the precis...
Research and Application of Image Denoising Method Based on Curvelet Transform
IMAGE DENOISING CURVELET SAR APPLICATION
2015/12/2
The images usually bring different kinds of noises in process of receiving, coding and transmission. The curvelet transform is one kind of new multi-scale transform after 1999 that is based on wavelet...
Speckle Denoising Based on Bivariate Shrinkage Functions and Dual-Tree Complex Wavelet Transform
Transformation Algorithms SAR Radiometric Processing, Image
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...
HOUGH-TRANSFORM AND EXTENDED RANSAC ALGORITHMS FOR AUTOMATIC DETECTION OF 3D BUILDING ROOF PLANES FROM LIDAR DATA
LIDAR Processing Detection Extraction Building Segmentation Modelling
2015/11/10
Airborne laser scanner technique is broadly the most appropriate way to acquire rapidly and with high density 3D data over a city.Once the 3D Lidar data are available, the next task isthe automatic da...
EXTENDING GENERALIZED HOUGH TRANSFORM TO DETECT 3D OBJECTS IN LASER RANGE DATA
Laser scanning Point cloud Object Recognition 3D Generalized Hough Transform Automation
2015/11/10
Automated detection and 3D modelling of objects in laser range data is of great importance in many applications. Existing approaches to object detection in range data are limited to either 2.5D data (...
An efficient algorithm for satellite images fusion based on contourlet transform
Fusion Multiespectral Images Contourlet Transform
2015/8/21
This paper proposes a new fusion method for multiespectral (MULTI) and panchromatic (PAN) images that uses a highly
anisotropic and redundant representation of images. This methodology join the simpl...
EVALUATION OF SATELLITE IMAGE FUSION USING WAVELET TRANSFORM
Fusion Remote Sensing Transformation Multispectral Spatial Spectral Algorithms Resolution
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...
COMPARISON OF EDGE DETECTION AND HOUGH TRANSFORM TECHNIQUES FOR THE EXTRACTION OF GEOLOGIC FEATURES
Remote Sensing Geomorphology Algorithms Feature
2015/6/2
Photointerpretation of geologic lineaments is a subjective process. Therefore there is a need for automation of lineament mapping
using optimal edge detection techniques. Efforts made in this direct...
THE CURVELET TRANSFORM FOR IMAGE FUSION
Fusion Multiresolution analysis IKONOS Wavelet transform Curvelet transform
2015/5/27
The fusion of high-spectral but low spatial resolution multispectral and low-spectral but high spatial resolution panchromatic satellite images is a very useful technique in various applications of re...