Browsing Electrical & Electronics Engineering by Author "Ercan, Ali Özer"
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Kamera ve ataletsel ölçüm birimi iç kalibrasyonu
Erdem, Tanju; Ercan, Ali Özer; Aydın, T. (IEEE, 2013)In this paper, we address the problem of internal calibration of a camera and an inertial measurement unit (IMU). The internal calibration of a camera and an IMU requires the determination of the relative orientation and ... -
Multi-view structure from motion software platform for augmented reality applications
Hüroğlu, Cengiz (2014-05)Sensör, bilgisayar ve görselleme teknolojilerindeki hızlı gelişme, hareketten yapı çıkarımı tekniklerinin navigasyon, insan-bilgisayar etkileşimi, eğitim, eğlence ve eklenmiş gerçeklik gibi uygulamalarda kullanımı nı ... -
Object tracking in the presence of occlusions using multiple cameras: a sensor network approach
Ercan, Ali Özer; El Gamal, A.; Guibas, L. J. ( Association for Computing Machinery, 2013)This article describes a sensor network approach to tracking a single object in the presence of static and moving occluders using a network of cameras. To conserve communication bandwidth and energy, we combine a task-driven ... -
Occlusion-aware 3D multiple object tracker with two cameras for visual surveillance
Topçu, O.; Alatan, A. A.; Ercan, Ali Özer (IEEE, 2014)An occlusion-aware multiple deformable object tracker for visual surveillance from two cameras is presented. Each object is tracked by a separate particle filter tracker, which is initiated upon detection of a new person ... -
On sensor fusion for head tracking in augmented reality applications
Ercan, Ali Özer; Erdem, Tanju (IEEE, 2011)The paper presents a simple setup consisting of a camera and an accelerometer located on a head mounted display, and investigates the performance of head tracking for augmented reality applications using this setup. The ... -
On the feasibility of synchronous, retransmission-based cognitive networks
Ercan, Ali Özer; Sunay, Mehmet Oğuz (Elsevier, 2016-01)This paper presents a new, joint Markov chain model for the primary and secondary traffic in a cognitive radio network to assess the feasibility of opportunistic spectrum access for different operational scenarios, validated ... -
Optimization and analysis of WLAN RF energy harvesting system architecture
Munir, Syeda Wajiha; Amjad, Osama; Zeydan, E.; Ercan, Ali Özer (IEEE, 2016)This paper presents the design, analysis and optimization of RF energy harvesting system for WLAN source operating at 2.4 GHz and 5.8 GHz. The system architecture comprises of RF WLAN source, wireless channel, an efficient ... -
P2P live scalable video streaming with ALTO service
Kırkgül, İsmail Serkan (2012-10)It has been measured that, as high as 80% of the average Internet traffic is now from peer-to-peer (P2P) applications, and upwards of 90% during peak hours. These results tell us that a significant portion of the traffic ... -
Rao-Blackwell parçacık süzgeci ile 3 boyutlu insan takibi
Topçu, O.; Orguner, U.; Alatan, A. A.; Ercan, Ali Özer (IEEE, 2014)Visual tracking has an important place among computer vision applications. Visual tracking with particle filters is a well-known methodology. The performance of particle filters is dependent on efficient sampling of the ... -
Recovery of temporal synchronization error through online 3D tracking with two cameras
Topçu, O.; Ercan, Ali Özer; Alatan, A. A. (ACM, 2014)Multiple object tracking within a network of cameras with overlapping fields of views has gained interest. The acquisition of images in an asynchronous manner hinders the practical implementation of such systems. Most of ... -
Rf energy harvesting and transfer for spectrum sharing cellular iot communications in 5g systems
Ercan, Ali Özer; Sunay, M. O.; Akyildiz, I. F. (IEEE, 2018-07-01)This paper proposes an energy and spectrum efficient IoT network for 5G systems where spectrum is shared with the cellular system for spectrum efficiency and energy harvesting and energy transfer are utilized for energy ...
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