Search Results - "Strintzis, M."

A comparative study of object-level spatial context techniques for semantic image analysis by Papadopoulos, G.Th, Saathoff, C., Escalante, H.J., Mezaris, V., Kompatsiaris, I., Strintzis, M.G.

“…► Spatial context is efficient in improving the visual-based classification results. ► The highest performance is achieved when complex spatial constraints are…”
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Large-scale spectral clustering based on pairwise constraints by Semertzidis, T., Rafailidis, D., Strintzis, M.G., Daras, P.

“…•We face the real-world problem of having a limited set of pairwise constraints.•Using pairwise constraints connected components (CC) are generated.•The…”
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An adaptive backpropagation neural network for real-time ischemia episodes detection: development and performance analysis using the European ST-T database by Maglaveras, N., Stamkopoulos, T., Pappas, C., Gerassimos Strintzis, M.

“…A supervised neural network (NN)-based algorithm was used for automated detection of ischemic episodes resulting from ST segment elevation or depression. The…”
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Optimized transmission of JPEG2000 streams over wireless channels by Thomos, N., Boulgouris, N.V., Strintzis, M.G.

“…The transmission of JPEG2000 images over wireless channels is examined using reorganization of the compressed images into error-resilient, product-coded…”
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Locally optimum nonlinearities for DCT watermark detection by Briassouli, A., Strintzis, M.G.

“…The issue of copyright protection of digital multimedia data has attracted a lot of attention during the last decade. An efficient copyright protection method…”
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A fuzzy expert system for the early warning of accidents due to driver hypo-vigilance by Damousis, I. G., Tzovaras, D., Strintzis, M. G.

“…In this paper a fuzzy expert system for the prediction of hypovigilance-related accidents is presented. The system uses physiological modalities in order to…”
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Personal authentication using 3-D finger geometry by Malassiotis, S., Aifanti, N., Strintzis, M.G.

“…In this paper, a biometric authentication system based on measurements of the user's three-dimensional (3-D) hand geometry is proposed. The system relies on a…”
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Combining Global and Local Information for Knowledge-Assisted Image Analysis and Classification by Papadopoulos, G. Th, Mezaris, V., Kompatsiaris, I., Strintzis, M. G.

“…A learning approach to knowledge-assisted image analysis and classification is proposed that combines global andlocal information with explicitly defined…”
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Use of depth and colour eigenfaces for face recognition by Tsalakanidou, F, Tzovaras, D, Strintzis, M.G

“…In the present paper a face recognition technique is developed based on depth and colour information. The main objective of the paper is to evaluate three…”
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ECG analysis using nonlinear PCA neural networks for ischemia detection by Stamkopoulos, T., Diamantaras, K., Maglaveras, N., Strintzis, M.

“…The detection of ischemic cardiac beats from a patient's electrocardiogram (EGG) signal is based on the characteristics of a specific part of the beat called…”
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Tracking the left ventricle in echocardiographic images by learning heart dynamics by Malassiotis, S., Strintzis, M.G.

“…In this paper a temporal learning-filtering procedure is applied to refine the left ventricle (LV) boundary detected by an active-contour model. Instead of…”
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Knowledge-assisted semantic video object detection by Dasiopoulou, S., Mezaris, V., Kompatsiaris, I., Papastathis, V.-K., Strintzis, M.G.

“…An approach to knowledge-assisted semantic video object detection based on a multimedia ontology infrastructure is presented. Semantic concepts in the context…”
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Wireless image transmission using turbo codes and optimal unequal error protection by Thomos, N., Boulgouris, N.V., Strintzis, M.G.

“…A novel image transmission scheme is proposed for the communication of set partitioning in hierarchical trees image streams over wireless channels. The…”
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Real-time compressed-domain spatiotemporal segmentation and ontologies for video indexing and retrieval by Mezaris, V., Kompatsiaris, I., Boulgouris, N.V., Strintzis, M.G.

“…In this paper, a novel algorithm is presented for the real-time, compressed-domain, unsupervised segmentation of image sequences and is applied to video…”
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Disparity and occlusion estimation in multiocular systems and their coding for the communication of multiview image sequences by Grammalidis, N., Strintzis, M.G.

“…An efficient disparity estimation and occlusion detection algorithm for multiocular systems is presented. A dynamic programming algorithm, using a multiview…”
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Face localization and authentication using color and depth images by Tsalakanidou, F., Malassiotis, S., Strintzis, M.G.

“…This work presents a complete face authentication system integrating both two-dimensional (color or intensity) and three-dimensional (3-D) range data, based on…”
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Robust image watermarking based on generalized Radon transformations by Simitopoulos, D., Koutsonanos, D.E., Strintzis, M.G.

“…The paper presents a novel watermarking scheme able to resist geometric attacks. The proposed method performs imperceptible watermarking of images in the…”
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Object-based coding of stereo image sequences using joint 3-D motion/disparity compensation by Tzovaras, D., Grammalidis, N., Strintzis, M.G.

“…An object-based coding scheme is proposed for the coding of a stereoscopic image sequence using motion and disparity information. A hierarchical block-based…”
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Efficient 3-D model search and retrieval using generalized 3-D radon transforms by Daras, P., Zarpalas, D., Tzovaras, D., Strintzis, M.G.

“…Measuring the similarity between three-dimensional (3-D) objects is a challenging problem, with applications in computer vision, molecular biology, computer…”
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Optimal pyramidal and subband decompositions for hierarchical coding of noisy and quantized images by Gerassimos Strintzis, M.

“…Optimal hierarchical coding is sought, for progressive or scalable image transmission, by minimizing the variance of the error difference between the original…”
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