Filters








200 Hits in 2.3 sec

DTM: Deformable Template Matching [article]

Hyungtae Lee, Heesung Kwon, Ryan M. Robinson, William D. Nothwang
2016 arXiv   pre-print
Unlike the deformable part model (DPM) employed in object recognition, the proposed template-matching approach called Deformable Template Matching (DTM) does not require a training step.  ...  A novel template matching algorithm that can incorporate the concept of deformable parts, is presented in this paper.  ...  (Mean This work presented a new template matching technique called deformable template matching (DTM).  ... 
arXiv:1604.03518v1 fatcat:uovuiodu7ranniykbifquhzc3i

Unsupervised Semantic Aggregation and Deformable Template Matching for Semi-Supervised Learning [article]

Tao Han, Junyu Gao, Yuan Yuan, Qi Wang
2020 arXiv   pre-print
In this paper, we combine both to propose an Unsupervised Semantic Aggregation and Deformable Template Matching (USADTM) framework for SSL, which strives to improve the classification performance with  ...  We call this Deformable Template Matching (DTM) because the feature distribution of labeled data is optimized continuously.  ...  Deformable Template Matching The annotated are exploited to play two roles.  ... 
arXiv:2010.05517v1 fatcat:aurk4ajdeng5dfjxhdyegq3aam

Massive stereo-based DTM production for Mars on cloud computers

Y. Tao, J.-P. Muller, P. Sidiropoulos, Si-Ting Xiong, A.R.D. Putri, S.H.G. Walter, J. Veitch-Michaelis, V. Yershov
2018 Planetary and Space Science  
Kim for use of the UoS DTM results, and A. Ivanov for the CTX DTMs employed for the assessments shown in section 2 as well as K.  ...  Willner for use of some of his validation results and Mike Lusty, Akira and Kira Koch for volunteering their time for the visual CTX DTM quality assessment.  ...  Moreover, selecting too large a search range increases the probability of false matches, i.e. cases when the template in the left image finds an erroneous "matched" template far beyond the true position  ... 
doi:10.1016/j.pss.2018.02.012 fatcat:4p7go5ikfzbnvg5temhychljtq

Implementation of a Self-Consistent Stereo Processing Chain for 3D Stereo Reconstruction of the Lunar Landing Sites

E. Tasdelen, K. Willner, H. Unbekannt, P. Glaeser, J. Oberst
2014 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Several components like image matching, bundle block adjustment (until recently) or digital terrain model (DTM) interpolation from 3D object points are missing.  ...  Here it is attempted to find a match for every pixel of the template image.  ...  This pre-processing and matching stages are performed for each grid in the template image and the results from each grid are merged to achieve the final matching result.  ... 
doi:10.5194/isprsarchives-xl-4-257-2014 fatcat:rsiagbfbbvhd3bve4aqvaqhalm

Image Matching Algorithms

Bayesteh K. Ghaffary, Andrew G. Tescher
1985 Digital Image Processing  
Matching methods for automatic DTM generation Geodaetisches Seminar SS/2000 4.  ...  for DTM generation.  ... 
doi:10.1117/12.946403 fatcat:njjk6phqanaupe527tohbzxy24

Image Matching Algorithms [chapter]

2009 An Introduction to 3D Computer Vision Techniques and Algorithms  
Matching methods for automatic DTM generation Geodaetisches Seminar SS/2000 4.  ...  for DTM generation.  ... 
doi:10.1002/9780470699720.ch6 fatcat:kac4hqtc4jdgvjvsgg2kdeilu4

Measuring earth surface deformation, glacier dynamics and geomorphic changes from times series of optical satellite images with COSI-Corr

Saif AATI, Jean-Philippe Avouac
2019 Zenodo  
Measuring earth surface deformation, glacier dynamics and geomorphic changes from times series of optical satellite images with COSI-Corr  ...  -An improved Non-Local Means Algorithms for Image Denoising(Leng,K. et al., 2017) -Remove outliers of erroneous matches due to: clouds, snow cover or surfaces waters … -Local spatial filtering -Initialize  ...  Post-Processing • Time series analysis tools • Upgrade NLMF • PCA (reconstruction and denoising) • Local multiscale median filter • Offset correction (de-ramping) • Update the de-stripping tool  3D deformation  ... 
doi:10.5281/zenodo.3595478 fatcat:bu7j5ucpkzbupofxuytzp6q2ee

Sub-pixel precision image matching for measuring surface displacements on mass movements using normalized cross-correlation

Misganu Debella-Gilo, Andreas Kääb
2011 Remote Sensing of Environment  
Deformation parameters such as strains can only be computed from the inter-template displacement gradient in a post-matching process.  ...  Conventionally, signals of reflected or emitted EM radiation or their transforms are used in matching. DTM matching methods use another data domain, i.e. the elevation data.  ... 
doi:10.1016/j.rse.2010.08.012 fatcat:5gcw66igp5c4ngggphs76bgz7u

A PHOTOGRAMMETRIC PIPELINE FOR THE 3D RECONSTRUCTION OF CASSIS IMAGES ON BOARD EXOMARS TGO

E. Simioni, C. Re, T. Mudric, A. Pommerol, N. Thomas, G. Cremonese
2017 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
This work will show a preliminary DTM generated by the first CaSSIS stereo images.  ...  The preliminary pipeline provides: the generation of rectified images from the CaSSIS framelets, a matching core and post-processing methods.  ...  The acquisitions covered the region of Noctis Labyrinthus revealing a Deep Seat Gravitational Slope Deformation (DSGSD). Figure 3 3 Flow diagram of the processing chain.  ... 
doi:10.5194/isprs-archives-xlii-3-w1-133-2017 fatcat:5irjkdrofzekbkr7nwynqqzvn4

Robust Symbolic Dual-View Facial Expression Recognition With Skin Wrinkles: Local Versus Global Approach

Yizhen Huang, Ying Li, Na Fan
2010 IEEE transactions on multimedia  
In this work, we propose to use a more robust active wavelet network (AWN) [27] and the deformable template model (DTM) [28] to model facial features, from which some stable measurements such as fitted  ...  Fig. 3 . 3 (a) Example of eyes, mouth, and eyebrows matched by the DTM. (b) and (c) Left-right direction rotation of the head.  ... 
doi:10.1109/tmm.2010.2052792 fatcat:cust26guofdxjhaoehragptryi

The Persistence of Large Scale Structures I: Primordial non-Gaussianity [article]

Matteo Biagetti, Alex Cole, Gary Shiu
2020 arXiv   pre-print
our ability to resolve degeneracies between the topological signature of f_ NL^ loc and variation of σ_8 and argue that correctly identifying nonzero f_ NL^ loc in this case is possible via an optimal template  ...  anomaly z=0 anomaly z=1 anomaly z=2 template z=0 template z=1 template z=2 αDTM anomaly z=0 anomaly z=1 anomaly z=2 template z=0 template z=1 template z=2 αDTM anomaly z=0 anomaly z=1 anomaly z=2 template  ...  Classical topology studies precisely those features of a space that cannot be created or destroyed by continuous deformations.  ... 
arXiv:2009.04819v1 fatcat:hbnyjgsj5zbxbabf7mthlwdwcm

True-orthophoto generation from UAV images: Implementation of a combined photogrammetric and computer vision approach

L. Barazzetti, R. Brumana, D. Oreni, M. Previtali, F. Roncoroni
2014 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The method is an automated multistep workflow made up of three main parts: (i) image orientation through feature-based matching and collinearity equations / bundle block adjustment, (ii) dense matching  ...  The MGCM+ algorithm assumes an affine deformation between the template and each slave.  ...  Digital terrain models (DTMs) can already be available or they can be generated from images (with dense image matching techniques) or from LiDAR data.  ... 
doi:10.5194/isprsannals-ii-5-57-2014 fatcat:yiejzjpytnbjhntszdvghkoz54

PHOTOGRAMMETRIC ACCURACY AND MODELING OF ROLLING SHUTTER CAMERAS

W. Ye, G. Qiao, F. Kong, S. Guo, X. Ma, X. Tong, R. Li
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Some noteworthy details while performing geometric modelling using the ARGON images were introduced, including methods and results for handling specific effects of film deformation, damaged or missing  ...  Dense correspondences were matched first via a hierarchical matching strategy, and then a 500 m resolution DEM was produced.  ...  An effective way may be to use an image draped on a DTM to avoid the effect of shadows.  ... 
doi:10.5194/isprs-annals-iii-3-147-2016 fatcat:vzkeuputl5ek7lnxs6iajtap4q

Searching for Viking Age Fortresses with Automatic Landscape Classification and Feature Detection

David Stott, Søren Munch Kristiansen, Søren Michael Sindbæk
2019 Remote Sensing  
First ring detection was applied using the Hough circle transformations and template matching, which detected 202,048 circular features in Denmark.  ...  Template matching compares a kernel iterating over the target array to a template image of the same dimensions using fast normalized cross-correlation.  ...  Template matching compares a kernel iterating over the target array to a template image of the same dimensions using fast normalized cross-correlation.  ... 
doi:10.3390/rs11161881 fatcat:rt63plb2xvbx7b3zugo6pg7hui

PHOTOGRAMMETRIC ACCURACY AND MODELING OF ROLLING SHUTTER CAMERAS

W. Ye, G. Qiao, F. Kong, S. Guo, X. Ma, X. Tong, R. Li
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Some noteworthy details while performing geometric modelling using the ARGON images were introduced, including methods and results for handling specific effects of film deformation, damaged or missing  ...  Dense correspondences were matched first via a hierarchical matching strategy, and then a 500 m resolution DEM was produced.  ...  An effective way may be to use an image draped on a DTM to avoid the effect of shadows.  ... 
doi:10.5194/isprsannals-iii-3-147-2016 fatcat:vuzmlei5vjaobew2ck6ptyadvu
« Previous Showing results 1 — 15 out of 200 results