搜索结果: 1-9 共查到“知识库 测绘科学技术 optical flow”相关记录9条 . 查询时间(0.322 秒)
OPTICAL FLOW APPLIED TO TIME-LAPSE IMAGE SERIES TO ESTIMATE GLACIER MOTION IN THE SOUTHERN PATAGONIA ICE FIELD
optical flow time-lapse imagery motion detection glacier
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2016/11/30
In this work, we assessed the feasibility of using optical flow to obtain the motion estimation of a glacier. In general, former investigations used to detect glacier changes involve solutions that re...
AN AERIAL-IMAGE DENSE MATCHING APPROACH BASED ON OPTICAL FLOW FIELD
Dense Matching Mean-SIFT Optical Flow Interpolation Multi-Constraints RANSAC
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2016/7/27
Dense matching plays an important role in many fields, such as DEM (digital evaluation model) producing, robot navigation and 3D environment reconstruction. Traditional approaches may meet the demand ...
ESTIMATING AND FUSING OPTICAL FLOW, GEOSTROPHIC CURRENTS AND SEA SURFACE WIND IN THE WATERS AROUND KISH ISLAND
Sea surface currents Optical flow Geostrophic currents Sea surface wind Fused surface currents
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2016/1/15
The aim of this study is calculation of sea surface currents (SSCs) which are estimated from satellite data sets and processed with the variance component estimation (VCE) algorithm to check role of e...
Efficient Line Extraction for Digital Archives of Cultural Heritage using Optical Flow and Trifocal Tensor
Cultural Heritage Extraction Sequences
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2015/7/15
In order to perform object modelling by image processing procedures, line or feature extraction and stereo matching used to perform.
However, there are some issues for efficient 3D modelling of objec...
MUSIC-ELICITED EMOTION IDENTIFICATION USING OPTICAL FLOW ANALYSIS OF HUMAN FACE
optical flow musical psychology
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2015/5/21
Human emotion identification from image sequences is highly demanded nowadays. The range of possible applications can vary
from an automatic smile shutter function of consumer grade digital cameras ...
A Comparative Study on Gradient-Based Approaches for Optical Flow Estimation
Optical Flow Analysis Movement Detection Object Tracking Image Sequence Measurement Image Processing Computer Vision
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2015/1/6
The most readily available motion parameter from sequential image is optical flow. Among various optical flow estimation techniques, gradient-based approach is a common technique. This approach is bas...
AUTOMATIC STEREO MATCHING USING OPTICAL FLOW FOR 3D OBJECT MODELING
Optical Flow 3D Object Modeling Stereo Matching Coplanarity Condition Line Tracking Sequential Images
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2015/1/6
In order to acquire 3D spatial data for objects using stereo image, stereo matching such as SSDA, area based matching and so on have been proposed. However, there are some issues for efficient 3D obje...
Investigation of Optical Flow Techniques for Extracting Non-Rigid Sea Surface Currents
Non-Rigid Sea surface currents Sea surface temperature Eddies Optical flow Smoothness
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2014/12/1
This paper is about performance evaluation of two optical flow (OF) methods for extracting sea surface curved motions like eddies. By incorporating a simple matrix and its rotation in programming proc...
FAST STEREO PAIR GENERATION USING SRTM REGISTRATION AND OPTICAL FLOW
Registration SRTM Stereo interpolation RPC IKONOS
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2014/6/12
In Digital Surface Model generation applications, obtaining stereo correspondences is a crucial step. The geometry of stereo image generation causes significant disparities between match points. Unlik...