نتایج جستجو برای: saffar moghadam 2011
تعداد نتایج: 150626 فیلتر نتایج به سال:
We participated in the ImageCLEF 2011 Photo Annotation and Wikipedia Image Retrieval Tasks. Our approach to the ImageCLEF 2011 Photo Annotation is based on a kernel weighting procedure using visual Fisher kernels and a Flickr-tag based JensenShannon divergence based kernel. We trained a Gaussian Mixture Model (GMM) to define a generative model over the feature vectors extracted from the image p...
In silicon heterojunction solar cells, the passivation of the crystalline silicon wafer surfaces and fabrication of emitter and back surface field are all performed by intrinsic and doped amorphous silicon thin layers, usually deposited by plasma-enhanced chemical vapor deposition (PECVD). By using in-situ diagnostics during PECVD, it is found that the passivation quality of such layers directl...
Learn-and-Optimize (LaO) is a generic surrogate based method for parameter tuning combining learning and optimization. In this paper LaO is used to tune Divide-and-Evolve (DaE), an Evolutionary Algorithm for AI Planning. The LaO framework makes it possible to learn the relation between some features describing a given instance and the optimal parameters for this instance, thus it enables to ext...
In this paper, an SVD-based perceptual fidelity metric is reviewed and used in the context of objective quantification of image watermarking fidelity for two stateof-the-art Image Adaptive SVD-based Watermarking Schemes. The proposed metric makes use of a Human Visual System perceptual model in the wavelet domain. The robustness of the watermarking schemes against JPEG compression and resizing ...
This paper describes a taxi scheduling system to improve the efficiency of taxi services which are mainly implemented by means of street hailing. This is of particular relevance to Chinese cities, where this is by far the most common way in which taxis are requested, since the majority of taxi drivers are independent rather than being affiliated with a specific company. The mobile phone and GPS...
Bortezomib, thalidomide and lenalidomide can be aimed at treating patients with newly diagnosed multiple myeloma (both eligible and ineligible for transplantation) as well as those with relapsed or refractory disease. This review analysed the available clinical and economic data on these three drugs. Irrespective of which of the three agents is considered, the magnitude of the benefit in newly ...
Rationale Theta oscillations (4-8 Hz) in the hippocampus and the neocortex have been suggested to play a role in the encoding of new memories and long-term plasticity. Intracranial electrode field potential recordings provide high temporal and spatial resolution for studying these oscillations in humans during cognitive tasks. In humans, theta oscillations have been observed in many structures,...
The Ensembl project (http://www.ensembl.org) seeks to enable genomic science by providing high quality, integrated annotation on chordate and selected eukaryotic genomes within a consistent and accessible infrastructure. All supported species include comprehensive, evidence-based gene annotations and a selected set of genomes includes additional data focused on variation, comparative, evolution...
Online content have become an important medium to disseminate information and express opinions. With the proliferation of online document collections, users are faced with the problem of missing the big picture in a sea of irrelevant and/or diverse content. In this thesis, we addresses the problem of information organization of online document collections, and provide algorithms that create a s...
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