In this paper, a robust technique based on discrete wavelet transform, edge detection, and morphology operation for scene text detection is proposed. There are several stages in the proposed method. In the first stage...
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The paper describes the system presented by the University of L'Aquila in collaboration with the University of Havana - team named UNIVAQ - to the TREC 2019 Precision Medicine Track. The proposed solution, maps an...
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In this paper, we propose a secure mutual trust scheme based on the concept of chameleon hash function, for wireless sensor networks (WSNs). In the proposed scheme, the base station (BS), holding two common secrets, i...
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The calibration of a line-based panoramic camera can be split into two indep.ndent subtasks: first calibrate the effective focal length and the principal row, and second, calibrate the off-axis distance and the princi...
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In this paper we present a fully automated morphology-based technique for segmentation of nuclei in cancer tissue images and we compare it with a common technique for biomedical image processing, namely active contour...
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ISBN:
(纸本)9781424428458
In this paper we present a fully automated morphology-based technique for segmentation of nuclei in cancer tissue images and we compare it with a common technique for biomedical image processing, namely active contours. We discuss the limitations of active contours in the processing of immunohistochemical images characterized by heterogeneously stained nuclear region and noise caused by the presence of multiple tissue layers in the sample. We describe the integration of the proposed approach in a fully automated protein activity quantification tool. Finally, we demonstrate and motivate through extensive experiments that our fully automated morphology-based approach provides better accuracy compared to various active contours implementations.
We apply ascending biding behavior of English auction to solve the revenue loss problem of generalized second price auction (GSP) in repeated sponsored search auction (SSA) for the search engine provider (SEP). The me...
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A novel digital musical interface based on sound source localization using a microphone array is presented. It allows a performer to plan and conduct the expressivity of a performance by controlling an audio processin...
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ISBN:
(纸本)9780984527410
A novel digital musical interface based on sound source localization using a microphone array is presented. It allows a performer to plan and conduct the expressivity of a performance by controlling an audio processing module in real-time through the spatial movement of a sound source (i.e., voice, traditional musical instruments, and sounding mobile devices). The prototype interface consists of an adaptive parameterized Steered Response Power Phase Transform (SRP-PHAT) with a Zero-Crossing Rate (ZCR) threshold and a Kalman filter that provides a more accurate estimate and tracking of the source position if there is movement. A real-time software based on external Max object was developed to test the system in a real-world moderately reverberant and noisy environment, focusing on the performance of pseudo-periodic sounds in a multisource scenario.
Our system, submitted to the Nuanced Arabic Dialect Identification (NADI-23), tackles the first sub-task: Closed Country-level dialect identification. In this work, we propose a model that is based on an ensemble of l...
This paper proposes a design and implementation of a highly efficient feature selection based on Minkowski's mathematical similarity for machine learning. Moreover, the development of the Minkowski feature selecti...
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The large availability of touch-sensitive screens fostered the research in gesture recognition. The Machine Learning community focused mainly on accuracy and robustness to noise, creating classifiers that precisely re...
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