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A bootstrapping framework for annotating and retrieving WWW images
2004
Proceedings of the 12th annual ACM international conference on Multimedia - MULTIMEDIA '04
Most current image retrieval systems and commercial search engines use mainly text annotations to index and retrieve WWW images. ...
We carry out experiments using a set of over 5,000 images acquired from the Web. We explore the use of different combinations of HTML text and visual representations. ...
Traditional content-based image retrieval approaches employ color, texture and/or statistical shape features to model image contents [10, 26] . ...
doi:10.1145/1027527.1027748
dblp:conf/mm/FengSC04
fatcat:axskjzpd4veufhdm2em3ter4ra
Is Visual Similarity Sufficient for Semantic Object Recognition?
2012
Conference on Computer Science and Information Systems
a certain level of visual and configurational uniformity within the class). ...
It is shown that although detection of near-identically looking objects in random images can be performed reliably, the same is not possible for semantically defined classes of objects (even if we expect ...
In general, TERM features are combinations of quadrilaterals determined by the geometry of multi-ellipse configurations. ...
dblp:conf/fedcsis/SluzekP12
fatcat:qiokwybi45hg3pm564snpwgjti
Soil moisture retrieval over irrigated grasslands using X-band SAR data combined with optical data acquired at high resolution
2015
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
This approach is based on the coupling between Synthetic Aperture Radar and optical images through the Water Cloud Model. ...
Three inversion configurations were defined: (1) HH polarization, (2) HV polarization, and (3) both HH and HV polarizations, all including the Leaf Area Index derived from optical images. ...
Retrieved M v with configuration 1 (HH and LAI) versus in situ measurements for LAI in situ lower than 3 m 2 /m 2 (a), and higher than 3 m 2 /m 2 (b).
in : IGARSS 2015, 26-31/07/2015, Milan, ITA ...
doi:10.1109/igarss.2015.7326020
dblp:conf/igarss/El-HajjBZBCCC15
fatcat:xoxmp6yx4nfvrdrn2v54q7avx4
Automatic Deformable Shape Segmentation for Image Database Search Applications
[chapter]
1999
Lecture Notes in Computer Science
Preliminary experiments in color segmentation and shape-based retrieval are reported. ...
A method for shape based image database indexing is described. Deformable shape templates are used to group color image regions into globally consistent configurations. ...
In the next example, we show the approach as employed in an image retrieval application. ...
doi:10.1007/3-540-48762-x_74
fatcat:6vkgw456cnbwpjtuy2yujrnjua
Tilted grating phase-contrast computed tomography using statistical iterative reconstruction
2018
Scientific Reports
In this work, we employ the tilted grating configuration with a laboratory GBPC-CT setup with cone-beam geometry and use statistical iterative reconstruction (SIR) with a forward model accounting for diagonal ...
Our results show a strong reduction of streak artefacts and significant increase in image quality. ...
This work was supported by the German Research Foundation (DFG) and the Technische Universität München within the funding programme Open Access Publishing. ...
doi:10.1038/s41598-018-25075-7
pmid:29700372
pmcid:PMC5920057
fatcat:54tokykplrgchp5eueirlijmm4
Survey On Content Based Image Retrieval
2014
Zenodo
So searching and retrieving images in large image databases has become more challenging. From the last few years, Content Based Image Retrieval (CBIR) gained increasing attention from researcher. ...
CBIR is a system which uses visual features of image to search user required image from large image database and user's requests in the form of a query image. ...
In this approach the comparison of the retrieval performance using different combinations of features is done. The combination is done in two levels. ...
doi:10.5281/zenodo.1450266
fatcat:ekabvdx2rneobkpercllkmx2ha
Image based aberration retrieval using helicalpoint spread functions
2020
Applied Optics
The approach utilizes a conventional phase diversity approach in combination with a pupil-engineered, helical point spread function (PSF) to discriminate the aberrated PSF from the object features. ...
The presented approach is tested experimentally by retrieving the two-dimensional aberration distribution of a test setup by imaging an extended, unknown scene. ...
It provides the precision limit of the phase retrieval in the presence of image noise in terms of a statistical process. ...
doi:10.1364/ao.396140
pmid:32749356
fatcat:5v7667to6ncgdpjoxjzk6zzeuu
Guest Editorial: Special Section on Digital Image Recovery and Synthesis
1994
Optical Engineering: The Journal of SPIE
Fox, Voelz, and Shannon show how high-frequency image information may be recorded (and retrieved from) within the zero regions of the optical transfer function of sparse-array multiaperture optical imaging ...
First, image recovery techniques may result from the desire to fully capitalize on the utility of novel sensor configurations. This objective is represented in fourpapers. ...
technique employing statistical estimation and phase-retrieval methods. ...
doi:10.1117/12.192338
fatcat:afpxrjjsnfgbfp53n7duu6xq7a
The CLEF 2011 Photo Annotation and Concept-based Retrieval Tasks
2011
Conference and Labs of the Evaluation Forum
Both tasks differentiate among approaches that consider solely visual information, approaches that rely only on textual information in form of image metadata and user tags, and multi-modal approaches that ...
Summarizing the results, the annotation task could be solved with a MiAP of 0.443 in the multimodal configuration, with a MiAP of 0.388 in the visual configuration, and with a MiAP of 0.346 in the textual ...
For the concept-based retrieval task two approaches were used: one based on the concept relevance scores in a manual configuration and one automated approach which is based solely on the sample images ...
dblp:conf/clef/NowakNL11
fatcat:kfjwv7jqwvbahcftxijsfsmgi4
Multiple Layar Kernel-Based Approach in Relevance Feedback Content-Based Image Retrieval System
2005
2005 International Conference on Machine Learning and Cybernetics
Relevance feedback has drawn intense interest from many researchers in the field of content-based image retrieval (CBIR). ...
This paper proposes a two layer kernel configuration with an objective to improve the retrieval accuracy. ...
This approach generally starts from prompting users to search the system via keywords, image examples or a combination of both. ...
doi:10.1109/icmlc.2005.1526981
fatcat:ynf32iddkfdrzoqvmmgjgm6ow4
A Unified Framework for Retrieving Diverse Social Images
2014
MediaEval Benchmarking Initiative for Multimedia Evaluation
In this paper we explore the performance of a generic, unified framework for the retrieval of relevant and diverse images from social photo collections. ...
The approach allows for the easy evaluation of different visual and textual image descriptions, clustering algorithms, and similarity metrics. ...
Acknowledgment This work has been partly funded by the Vienna Science and Technology Fund (WWTF) through project ICT12-010. ...
dblp:conf/mediaeval/ZaharievaS14
fatcat:odzsgg7msvgidinqbn62afpjdu
MIRACLE at ImageCLEF 2004
2004
Conference and Labs of the Evaluation Forum
New techniques, devoted to the combination of linguistic and statistical language processing methods, have been tested, continuing with the experiments carried out in last year ...
The second participation of the MIRACLE (Multilingual Information RetrievAl for the CLEf campaign) research group in the ImageCLEF task is described in this paper. ...
Acknowledgements This work has been partially supported by the projects OmniPaper (European Union, 5th Framework Programme for Research and Technological Development, IST-2001-32174) and MIRACLE (Regional ...
dblp:conf/clef/Martinez-FernandezGVSGCA04
fatcat:ps222hvjkvbpzmbo2dynhiz66e
Multimodal Markov Random Field for Image Reranking Based on Relevance Feedback
2013
ISRN Machine Vision
This paper introduces a multimodal approach for reranking of image retrieval results based on relevance feedback. ...
The MRF takes into account (1) the rank information provided by the initial retrieval system, (2) similarities among images in the list, and (3) relevance feedback information. ...
This work was supported by CONACyT under project Grant 61335 and scholarships 205834 and 205834. ...
doi:10.1155/2013/428746
fatcat:xiqflqdaz5cp7krfbtjlwjcv3m
Recent breakthroughs in scanning transmission electron microscopy of small species
2018
Advances in Physics: X
In this review, we highlight the latest approaches that are available to reveal the 3D atomic structure of small species. ...
Often, the ultimate goal is to retrieve the three-dimensional structure, which is very challenging since small species are typically sensitive to electron irradiation. ...
Here, counting results are put on an absolute scale by combining both the simulation-and statistics-based atomcounting method. ...
doi:10.1080/23746149.2018.1480420
fatcat:lj3sta7ipbdvhhu4a4vtivknfm
A hierarchical nonparametric discriminant analysis approach for a content-based image retrieval system
2005
IEEE International Conference on e-Business Engineering (ICEBE'05)
Such approach is not feasible for systems that analyze images in real-time. In this paper, a hierarchical multi-layer statistical discriminant framework is proposed. ...
Developments in CBIR have drawn interest from many researchers and practitioners in recent years. The challenge is how to retrieve the most appropriate or relevant images at the fastest speed. ...
The proposed framework combines the statistical discriminant approach with multi-layer analysis framework. ...
doi:10.1109/icebe.2005.4
dblp:conf/icebe/ChungF05
fatcat:qnuucmcvtff3lk6a7n4lgm2c3e
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