3-D Image Measurement
Conversion of a 2-D Image to 3-D Image and Processing the Image Based on Coded Structured Light
... light image systems have been used effectively for precise measurement of 3-D surfaces in a computer ...single 3-D ...of 3-D surface data by a specially coded ...
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Hyperspectral interferometry for single-shot absolute measurement of 3-D shape and displacement fields
... two-dimensional optical path difference distributions from the single shot measurement. The additional information provided by the k axis allows reliable determination of the absolute path length even though the ...
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Modeling the unified measurement uncertainty of deflectometric and plenoptic 3-D sensors
... A plenoptic camera is a single sensor system which records a 4-D light-field representation of a scene in a single image. That means a point in the object space does not only corre- spond to a single ...
17
Geometric calibration of focused light field camera for 3-D flame temperature measurement
... virtual image plane and CCD sensor plane are on the same side of the microlens array in the calibrated ...recognized image points and projected ones of 3-D points on calibration ...
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3-D SAR Imaging Based RCS Measurement Technique with Fixed Transmitter
... The 3-D SAR image is used to extract targets’ RCS, so it can spatially distinguish different parts of a complex object, or the targets’ RCS from ...outdoor measurement, it can greatly reduce ...
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Verification of 3 D stereoscopic PIV operation and procedures
... Particle image velocimetry (PIV) is a non- intrusive, whole-field velocity measurement technique that has been used since the ...studies. 3-D stereoscopic PIV is the package capable of ...
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An Experimental System Development for Head Posture Estimation Based on 3 D Images Measurement
... the number of the projected slit patterns, but it can be extracted fast and stable when the number of the patterns is small. So in this study, we use 3 slit patterns projected on the driver’s face. Besides it, ...
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Image Segmentation/Registration: a Variational Framework for 2-D and 3-D Applications
... full 3-D model, several range images are acquired with a fair amount of overlap in viewing angles, and a subsequent integration technique follows to stitch them into one entity [95, 96, ...
128
3-D microstructure measurement method by using SEM
... thickness is 1 micro meter. The optical system has a micro stage(PZT-xy) which can give the positioning of the measured object precisely in a direct observation by SEM and under a remote-control. Furthermore, the grating ...
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Verification of fully developed flow entering diffuser and particle image velocimetry procedures
... Abstract. 3-D stereoscopic PIV is capable of measuring 3-dimensional velocity ...calibration, measurement and data processing phases. This paper aims to verify the 3-D ...
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Importance of Statistical Measures in Digital Image Processing
... In image processing filter will each pixel value by its most common ...Fig. 3 (A) shows image after mid-point filtering of image with Salt & Pepper ...
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Fabrication and characterisation of photonic nanowires
... and 3 drops of conc. HCl as catalyst. The sol was then allowed to stir for ~20mins and infiltrated into 200 nm diameter porous alumina under vacuum assist using 2-3 drops of solution. The sample was allowed ...
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Wind tunnel experiments on wind turbine wakes in yaw: effects of inflow turbulence and shear
... Yaw-angle-dependent turbine performance and near-wake measurements were performed by Krogstad and Adaramola (2012). They found a power decrease proportional to cos 3 (γ ) and showed that the near-wake deflection ...
15
Mapping a new system for outdoor GSM signal strength
... also called wireless planning. Hence to meet the mobile network planning efficiency in Sulaimanyia City Center, a useful map that illustrates the Global System for Mobile Communication (GSM) signal strength and shows the ...
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Fast algorithm for the 3-D DCT-II
... the 3-D applications based on the 3-D DCT [30]–[36], there is a greater need now to develop fast algorithms for the 3-D DCT for such ...type-II 3-D DCT ...
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Robust Face Recognition Based on Covariance Matrix
... depth image sets, we propose that multiple Kinect images is being as a set of images, and depth data captured is used to automatically estimate poses and crop face ...divide image sets into c subsets, and ...
7
Image Enhancement for the 3 D Reconstruction in the Uncontrolled Environment using Shape from Silhouette
... Shape from Silhouette is one of the available 3D shape reconstruction techniques. In this, images from multiple viewpoints are captured and silhouette information is extracted from each picture. Later on using silhouette ...
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3 D EIT Image Reconstruction Using a Block Based Compressed Sensing Approach
... The results reconstruct 3D EIT model with one circle target for48-electrodesand 64-electrodes EIT system, as shown in Figure 4(a). We compare our proposed method with TwIST and use a set of figure of merit to charac- ...
7
Measurements of the three-dimensional structure of flames at low turbulence
... an image of the full 3-D flame, the binarised images were read into the Matlab environment, in numerical order, along with the image resolution and sheet ...the image size, and the z ...
36
A Review on Image Segmentation Clustering Algorithms
... An image can be represented in various feature spaces, and the FCM algorithm classifies the image by grouping similar data points in the feature space into ...an image are highly correlated, ...
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