搜索结果: 16-27 共查到“摄影测量与遥感技术 Edge”相关记录27条 . 查询时间(0.083 秒)
3D WAVELET COMPRESSION TO MULTIPLE BAND REMOTE SENSING IMAGES BASED ON EDGE RESERVATION
3D Wavelet Transformation Remove Correlation
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2015/7/29
In this paper, a practical quasi-lossless compression concept and corresponding compression ratio and quality requirements are
proposed for the multiple band images database construction and web rel...
EDGE DETECTION IN GEOLOGIC FORMATION EXTRACTION: CLOSE RANGE AND REMOTE SENSING CASE STUDIES
Analog Non-metric Camera Geology Automation Edge Extraction
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2015/5/27
Edge detection is one of the most frequently used techniques in digital image processing. Its application area reaches from astronomy to medicine where isolation of objects focused on from the unwante...
A NOVEL APPROACH FOR EDGE DETECTION OF LOW CONTRAST SATELLITE IMAGES
Sobel Edge Detector Fractional Order Differentiator Chebyshev Polynomial based Approximation Satellite Images
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2015/4/1
Discrimination between texture edges and geometrical edges is very difficult in low contrast images. Satellite images are low contrast images. It is important to extract the edges that are not clearly...
SEMI-AUTOMATED EDGE SEGMENT SPECIFICATION FOR AN INTERACTIVE MODELLING SYSTEM OF ROBOT ENVIRONMENTS
Modelling Semi-automation User interfaces On-line Robots
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2015/1/6
Interactive methods are well suited to telerobotics purposes. Based on the super-imposition of the model on video images,they provide a friendly way to acquire or update the environment model from an ...
OBJECT-ORIENTED MEASUREMENT OF PIPE SYSTEMS USING EDGE MATCHING AND CSG MODELS WITH CONSTRAINTS
CAD error propagation object-oriented photogrammetry reconstruction
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2015/1/6
A method for the measurement of pipe systems from a collection of images is presented. A predefined library of parameterized object models defined by CSG trees is used to describe several types of pip...
STRAIGHT EDGE EXTRACTION FROM MULTIPLE VIEWS FOR RECONSTRUCTION OF MAN-MADE OBJECTS
buildings edge extraction image matching reconstruction
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2014/12/31
Man-made object extraction and reconstruction based on edge models are widely used. This paper describes technique of low level extraction of 3D straight edges from multiple views, each of which is gr...
A NEW APPROACH TO EDGE-PRESERVING SMOOTHING FOR EDGE EXTRACTION AND IMAGE SEGMENTATION
Image Processing Filtering Radiometric Quality Feature Extraction Edge Extraction Segmentation Multi-spectral Data
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2014/12/31
This paper introduces a new approach to edge-preserving smoothing of digital images. It is designed for an effective elimination of the image noise within digital images what is an essential step in a...
EXPLOITING COLOR FOR EDGE EXTRACTION AND LINE SEGMENT STEREO MATCHING IN HIGH-RESOLUTION AERIAL IMAGERY
Image matching Multi-spectral data Automation Edge extraction Buildings
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2014/12/31
This paper investigates into the added value of color information for edge extraction and straight edge segment matching between stereo views. For edge extraction in color images different methods pro...
KNOWLEDGE-BASED IMAGE ANALYSIS FOR 3D EDGE EXTRACTION AND ROAD RECONSTRUCTION
Feature Extraction Edge Matching Model-based Processing Reconstruction Data fusion Color
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2014/12/31
Road network extraction from aerial images has received attention in photogrammetry and computer vision for decades.We present a concept for road network reconstruction from aerial images using knowle...
NON-LINEAR SCALE AND ORIENTATION FREE CORRELATION MATCHING ALGORITHM BASED ON EDGE CORRESPONDENCE
Photogrammetry Remote Sensing Image Matching Image Stereo DEM Generation
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2014/12/31
A novel image matching algorithm is presented in this paper. One significant property of this algorithm is: free of large non-linear scale difference and orientation difference between left and right....
A SAR SPECKLE FILTERING ALGORITHM TOWARDS EDGE SHARPENING
Radar Speckle Reduction Texture Image Processing
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2014/12/29
One of the major difficulties when classifying synthetic aperture radar (SAR) images is the existence of speckle due to coherent processing. Existing speckle filtering algorithms can effectively reduc...
3D MODELING OF ARCHITECTURE BY EDGE-MATCHING AND INTEGRATING THE POINT CLOUDS OF LASER SCANNER AND THOSE OF DIGITAL CAMERA
Photogrammetry TLS Image Matching Edge Registration Point Cloud Architecture
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2014/4/28
We have been developing the stereo-matching method and its system by digital photogrammetry using a digital camera to make 3D Measurement of various objects. We are also developing the technology to p...