搜索结果: 1-15 共查到“信息处理技术 Extraction”相关记录15条 . 查询时间(0.171 秒)
DATUM FEATURE EXTRACTION AND DEFORMATION ANALYSIS METHOD BASED ON NORMAL VECTOR OF POINT CLOUD
Deformation Analysis Point Cloud Normal Vecto Datum Feature Cubic B-spline Curve
2018/5/15
In order to solve the problem lacking applicable analysis method in the application of three-dimensional laser scanning technology to the field of deformation monitoring, an efficient method extractin...
Sentiment-Aspect Extraction based on Restricted Boltzmann Machines
Sentiment-Aspect Extraction Restricted Boltzmann Machines
2016/1/22
Aspect extraction and sentiment analysis of reviews are both important tasks in opinion mining. We propose a novel senti-mentandaspectextractionmodelbasedon Restricted Boltzmann Machines to jointly ad...
A Novel Vector Field Data Mining Approach: Extraction of Front Based on Physical Features of Target
Vector Field Data Mining Physical Feature Front Extraction Fuzzy Clustering
2015/12/2
The explosive growing of earth observing data needs to have relative efficient data processing methods. This paper aims at the processing and analysis of large volume of vector field data acquiring fr...
URBAN CHANGE EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGE
Change Detection Large Scale Urban Monitoring Urban Growth PCA NDVI IHS Quickbird
2015/8/31
Very high resolution space borne imagery is essential for a large scale and very detailed urban monitoring and the Quickbird sensor
is one of those. It offers images with a spatial resolution of 0.6...
Extraction and tracking of orientation coded features being robust against illumination changes
feature extraction tracking orientation code richness
2015/8/25
We present a feature extraction and tracking method which is based on pure rich texture analysis and has robustness under irregular conditions, such as illumination change, deformation of objects and ...
A Compressed Sensing Parameter Extraction Platform for Radar Pulse Signal Acquisition
Compressed sensing Indium-Phosphide Parameter Estimation Random-Modulation Pre-Integration
2015/6/17
In this paper we present a complete (hardware/software) sub-Nyquist rate (×13) wideband signal acquisition chain capable of acquiring radar pulse parameters in an instantaneous bandwidth spanning 100 ...
ROAD NETWORK EXTRACTION FROM SAR IMAGERY SUPPORTED BY CONTEXT INFORMATION
Mapping SAR Object Extraction
2015/6/1
This paper deals with automatic road extraction from SAR imagery. In general, automatically extracted road networks are not complete,
i.e., gaps remain in the erxtracted network. Especially in SAR im...
ANALYSIS OF AUTOMATIC ROAD EXTRACTION RESULTS FROM AIRBORNE SAR IMAGERY
road extraction airborne SAR imagery evaluation
2015/5/18
Automatic extraction of roads is a present research topic. Many applications like topographic mapping, navigation applications, or
image registration could profit from such algorithms.
EXTRACTION OF BUILIDNG SHAPE FROM TANDEM-X DATA
TanDEM-X Interferometry Building Detection
2014/4/24
Large scale mapping and modeling of urban areas is requested in many fields, especially in planning of energy supply and for change detection. For this purpose, SAR systems are highly attractive due t...
Robust extraction of image correspondences exploiting the image scene geometry and approximate camera orientation
IBM - Bundle adjustment - SIFT - 3D image - spanning tree
2014/4/25
Image-based modeling techniques are an important tool for producing 3D models in a practical and cost effective manner. Accurate
image-based models can be created as long as one can retrieve precise...
FEATURES AND GROUND AUTOMATIC EXTRACTION FROM AIRBORNE LIDAR DATA
LiDAR data segmentation building detection DTM skewness kurtosis
2014/6/5
The aim of the research has been the developing and implementing an algorithm for automated extraction of features from LIDAR scenes with varying terrain and coverage types. This applies the moment of...
HIERARCHICAL ALGORITHM IN DTM GENERATION AND AUTOMATIC EXTRACTION OF ROAD FROM LIDAR DATA
LIDAR DTM Road Extraction
2014/4/28
Growing demand for an efficient land use above and below the ground is motivating cadastre and land management systems to move from traditional 2D systems toward three dimensional ones. Airborne laser...
A Robust Feature Extraction Algorithm for Audio Fingerprinting
Feature Extraction Algorithm Audio Fingerprinting
2010/12/17
In this paper, we present a new feature extraction algorithm which can generate robust and reliable feature in a fingerprint system. This algorithm is referred to as weighted ASF (WASF). The feature i...
Smooth Extraction of SVC Fine-Granular SNR Scalable Videos with a Virtual-GOP-Based Rate-Distortion Modeling
Smooth quality rate-distortion analysis scalable video coding
2010/12/20
Fine-Granular SNR scalable (FGS) technologies in H.264/AVC-based scalable video coding (SVC) provide a flexible and effective foundation for scaling FGS enhancement layer (EL) to accommodate different...
Autmatic Moving Object Extraction in Mpeg Video
Autmatic Moving Object Extraction Mpeg Video
2010/12/14
In this paper, we propose a moving object extraction technique for MPEG coded data directly. It is a changebased
motion object extraction approach, which discriminates background and moving objects b...