搜索结果: 1-15 共查到“Optical flow”相关记录19条 . 查询时间(0.119 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
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
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
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...
Gain Fixed Pattern Noise Correction via Optical Flow
Digital camera CMOS image sensor Fixed pattern noise (FPN) Optical fl ow estimation gain FPN CDS
2015/8/17
Fixed pattern noise (FPN) or nonuniformity caused by device and interconnect parameter variations across an image sensor is a major source of image quality degradation especially in CMOS image sensors...
Optical Flow estimation using high frame rate sequences
Optical Flow estimation high frame rate sequences
2015/8/17
Gradient-based optical flow estimation methods such as Lucas Kanade method work well for scenes with small dlsplacements but fail when objects move with large displacements. Hierarchical matching-base...
Wayfinding on foot from information in retinal,not optical flow
Wayfinding information retinal optical flow
2015/8/13
People find their way through cluttered environments with ease and without injury. How do they do it? Two approaches to wayfmding are considered: Differential motion parallax (DMP) is a retinal motion...
Perceiving motion while moving,or how pairwise invariants make optical flow cohere
Perceiving motion while moving pairwise invariants optical flow cohere
2015/8/13
Computer-generated sequences simulated observer movement toward 10 randomly placed poles, 1moving and 9 stationary. When observers judged their direction of movement, or heading, they used 3 related i...
Optical Flow Estimation Using Temporally Oversampled Video
Optical flow estimation Motion estimation High speed imaging CMOS image sensor Temporal oversampling
2015/8/12
Recent advances in imaging sensor technology make high frame rate video capture practical. As demonstrated in previous work, this capability can be used to enhance the performance of many image and vi...
Efficient Line Extraction for Digital Archives of Cultural Heritage using Optical Flow and Trifocal Tensor
Cultural Heritage Extraction Sequences
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
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
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
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
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...
CONTRAST INVARIANT AND AFFINE SUB-PIXEL OPTICAL FLOW
Optical flow affine and contrast invariant remote sensing Digital Elevation Model (DEM) sub-pixel disparity
2014/4/15
This paper presents the Contrast Invariant and Affine Optical Flow(CIAO), a dense area-based sub-pixel image matching algorithm.CIAO does not force the estimated disparity field between two images to ...
Scalable Control Plane architecture for Optical Flow Switched Networks
Optical networks network management control
2015/5/26
In OFS, users employ an off-band signaling protocol to request lightpaths for their large unscheduled bursty transactions, and the network dynamically schedules a dedicated, end-to-end lightpath for t...