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Articles 9181 - 9210 of 9604
Full-Text Articles in Engineering
A Novel Hierarchical Bag-Of-Words Model For Compact Action Representation, Qianru Sun, Qianru, Hong Liu, Hong Liu, Liqian Ma, Tianwei Zhang
A Novel Hierarchical Bag-Of-Words Model For Compact Action Representation, Qianru Sun, Qianru, Hong Liu, Hong Liu, Liqian Ma, Tianwei Zhang
Research Collection School Of Computing and Information Systems
Bag-of-Words (BOW) histogram of local space-time features is very popular for action representation due to its high compactness and robustness. However, its discriminant ability is limited since it only depends on the occurrence statistics of local features. Alternative models such as Vector of Locally Aggregated Descriptors (VLAD) and Fisher Vectors (FV) include more information by aggregating high-dimensional residual vectors, but they suffer from the problem of high dimensionality for final representation. To solve this problem, we novelly propose to compress residual vectors into low-dimensional residual histograms by the simple but efficient BoW quantization. To compensate the information loss of this …
Salient Pairwise Spatio-Temporal Interest Points For Real-Time Activity Recognition, Mengyuan Liu, Hong Liu, Qianru Sun, Tianwei Zhang, Runwei Ding
Salient Pairwise Spatio-Temporal Interest Points For Real-Time Activity Recognition, Mengyuan Liu, Hong Liu, Qianru Sun, Tianwei Zhang, Runwei Ding
Research Collection School Of Computing and Information Systems
Real-time Human action classification in complex scenes has applications in various domains such as visual surveillance, video retrieval and human robot interaction. While, the task is challenging due to computation efficiency, cluttered backgrounds and intro-variability among same type of actions. Spatio-temporal interest point (STIP) based methods have shown promising results to tackle human action classification in complex scenes efficiently. However, the state-of-the-art works typically utilize bag-of-visual words (BoVW) model which only focuses on the word distribution of STIPs and ignore the distinctive character of word structure. In this paper, the distribution of STIPs is organized into a salient directed graph, …
Embedding Online Based Learning Strategies Into The Engineering Technology Curriculum, Vukica M. Jovanovic, Otilia Popescu, Orlando M. Ayala, Mileta Tomovic, Alok K. Verma
Embedding Online Based Learning Strategies Into The Engineering Technology Curriculum, Vukica M. Jovanovic, Otilia Popescu, Orlando M. Ayala, Mileta Tomovic, Alok K. Verma
Engineering Technology Faculty Publications
Various blended learning strategies have been implemented at engineering technology programs to facilitate different learning styles and different time constraints given to faculty. Some of these efforts are related to the effective use of online tools such as online course management systems, ePortfolios, narrated presentations, web-based polling systems, tutorials and educational materials posted before the class and asynchronous learning methods. As technology changes, some of the online learning methods are getting more advanced which is enabling more innovative approaches and data compression. Various distance learning programs started with having access to videos of recorded lectures (on VHS tapes, or CDs) …
Machine Vision Identification Of Airport Runways With Visible And Infrared Videos, Andrew J. Moore, Matthew Schubert, Chester Dolph, Glenn Woodell
Machine Vision Identification Of Airport Runways With Visible And Infrared Videos, Andrew J. Moore, Matthew Schubert, Chester Dolph, Glenn Woodell
Electrical & Computer Engineering Faculty Publications
A widely used machine vision pipeline based on the Speeded-Up Robust Features feature detector was applied to the problem of identifying a runway from a universe of known runways, which was constructed using video records of 19 straight-in glidepath approaches to nine runways. The recordings studied included visible, short-wave infrared, and long-wave infrared videos in clear conditions, rain, and fog. Both daytime and nighttime runway approaches were used. High detection specificity (identification of the runway approached and rejection of the other runways in the universe) was observed in all conditions (greater than 90% Bayesian posterior probability). In the visible band, …
Removal Of Impulse Noise In Digital Images With Na\"Ive Bayes Classifier Method, Cafer Budak, Mustafa Türk, Abdullah Toprak
Removal Of Impulse Noise In Digital Images With Na\"Ive Bayes Classifier Method, Cafer Budak, Mustafa Türk, Abdullah Toprak
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Application Of A Time Delay Neural Network For Predicting Positive And Negative Links In Social Networks, Saghar Babakhanbak, Kaveh Kavousi, Fardad Farokhi
Application Of A Time Delay Neural Network For Predicting Positive And Negative Links In Social Networks, Saghar Babakhanbak, Kaveh Kavousi, Fardad Farokhi
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Brain Tumor Detection Using Monomodal Intensity Based Medical Image Registration And Matlab, Emrah Irmak, Ergun Erçelebi̇, Ahmet Hani̇fi̇ Ertaş
Brain Tumor Detection Using Monomodal Intensity Based Medical Image Registration And Matlab, Emrah Irmak, Ergun Erçelebi̇, Ahmet Hani̇fi̇ Ertaş
Turkish Journal of Electrical Engineering and Computer Sciences
digital image processing. Using suitable computer programming techniques and transformation between two images, a new much more informative image can be found. In this paper, three important and basic medical image registration (MIR) methods, namely MIR by maximization of mutual information, MIR using cross correlation (Fourier transform approach), and MIR by minimization of similarity metric, were proposed and accordingly two comprehensive applications were performed using MIR by minimization of the similarity metric, which uses the sum of the squared differences metric as a metric and the regular step gradient descent optimizer as an optimizer. What is more, MR images of …
Fuzzy Logic Based Voltage Control Scheme For Improvement In Dynamic Response Of The Class D Inverter Based High Frequency Induction Heating System, Booma Nagarajan, Rama Reddy Sathi, Pradeep Vishnuram
Fuzzy Logic Based Voltage Control Scheme For Improvement In Dynamic Response Of The Class D Inverter Based High Frequency Induction Heating System, Booma Nagarajan, Rama Reddy Sathi, Pradeep Vishnuram
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Stereo And Kinectfusion For Continuous 3d Reconstruction And Visual Odometry, Özgür Yilmaz, Fati̇h Karakuş
Stereo And Kinectfusion For Continuous 3d Reconstruction And Visual Odometry, Özgür Yilmaz, Fati̇h Karakuş
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Design Of Compact Octagonal Slotted Hexagonal And Rectangular Shaped Monopole Antennas For Dual/Uwb Applications, Praveen Naidu Vummadisetty, Raj Kumar
Design Of Compact Octagonal Slotted Hexagonal And Rectangular Shaped Monopole Antennas For Dual/Uwb Applications, Praveen Naidu Vummadisetty, Raj Kumar
Turkish Journal of Electrical Engineering and Computer Sciences
applications are proposed in this paper. In both antennas, the slot in the ground plane is of octagonal shape, while the patch is rectangular in one of the antennas and hexagonal in the other. Thin metallic stubs of different lengths are added to the ground plane and protrude into the slot. These stubs help to improve the impedance matching over a broader bandwidth. The antennas are very compact in size and designed on low-cost FR4 substrate. The measured impedance bandwidths (S$_{11}
Design Of A Low-Power, Low-Cost Uhf Rfid Reader Module, Özgür Bostan, Hüseyi̇n Ulvi̇ Aydoğmuş, Serkan Topaloğlu
Design Of A Low-Power, Low-Cost Uhf Rfid Reader Module, Özgür Bostan, Hüseyi̇n Ulvi̇ Aydoğmuş, Serkan Topaloğlu
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
The Optimization Of A Projectile From A Three-Coil Reluctance Launcher, Ferhat Daldaban, Veki̇l Sari
The Optimization Of A Projectile From A Three-Coil Reluctance Launcher, Ferhat Daldaban, Veki̇l Sari
Turkish Journal of Electrical Engineering and Computer Sciences
realization of an experimental prototype. A Maxwell model of the system was constructed and finite elements analysis (FEA) was applied before building the experimental prototype. The effect of variations in projectile parameters (such as material and length of the projectile) on projectile velocity was studied using the model. Then the experimental prototype of the launcher system was built. A velocity measurement system was also designed and implemented to measure the muzzle velocity of the launched projectiles. A total of 9 projectiles of 3 different sizes made of 3 different materials were constructed to be launched by the system. Each projectile …
Design And Analysis Of A Magnetically Levitated Axial Flux Bldc Motor For A Ventricular Assist Device (Vad), Ahmet Fenerci̇oğlu
Design And Analysis Of A Magnetically Levitated Axial Flux Bldc Motor For A Ventricular Assist Device (Vad), Ahmet Fenerci̇oğlu
Turkish Journal of Electrical Engineering and Computer Sciences
penetration of magnetic field into blood. Magnetic parameters, axial pull force, and torque of the proposed motor have been analyzed by the 3-dimensional finite elements method (3D-FEM) to confirm the motor design. Solutions are compared with maglev and non-maglev designs.
Wide-Range Reliable Stabilization Of Time-Delayed Power Systems, Hisham M. Soliman, Abdellah Benzaouia, Hassan Yousef
Wide-Range Reliable Stabilization Of Time-Delayed Power Systems, Hisham M. Soliman, Abdellah Benzaouia, Hassan Yousef
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
An Investigation Of Intelligent Controllers Based On Fuzzy Logic And Artificial Neural Network For Power System Frequency Maintenance, Ngockhoat Nguyen, Qi Huang, Thi-Mai-Phuong Dao
An Investigation Of Intelligent Controllers Based On Fuzzy Logic And Artificial Neural Network For Power System Frequency Maintenance, Ngockhoat Nguyen, Qi Huang, Thi-Mai-Phuong Dao
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
A New Approach For Edge Detection In Noisy Images Based On The Lpgpca Technique, Şahi̇n Işik, Kemal Özkan
A New Approach For Edge Detection In Noisy Images Based On The Lpgpca Technique, Şahi̇n Işik, Kemal Özkan
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
A Location Aware History-Based Approach For Network Selection In Heterogeneous Wireless Networks, Amir Hossein Jafari, Hadi Shahriar Shahhoseini
A Location Aware History-Based Approach For Network Selection In Heterogeneous Wireless Networks, Amir Hossein Jafari, Hadi Shahriar Shahhoseini
Turkish Journal of Electrical Engineering and Computer Sciences
Efficient decision making in vertical handoff and network selection algorithms improves users' quality of service and helps users meet service requirements, anywhere and at any time. Hence, in this paper, a user-centric network selection algorithm is proposed, utilizing the estimated reputation of the available candidate networks based on user location and combined experienced users' utility. User utility is defined based on 1) quality of service, 2) monetary cost, and 3) energy consumption metrics. In the proposed history aware-based user location algorithm, the past experience of users for available networks is considered to estimate the future utility that a user can …
Authentication Of Uncertain Data Based On K-Means Clustering, Levent Ünver, Taflan İmre Gündem
Authentication Of Uncertain Data Based On K-Means Clustering, Levent Ünver, Taflan İmre Gündem
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Sensorless Field Oriented Control Of Nonsinusoidal Flux-Distribution Permanent Magnet Synchronous Motor With A Fem Based Ann Observer, Eyyüp Öksüztepe, Zeki̇ Omaç, Mehmet Polat, Hakan Çeli̇k, Ahmet Hakan Selçuk, Hasan Kürüm
Sensorless Field Oriented Control Of Nonsinusoidal Flux-Distribution Permanent Magnet Synchronous Motor With A Fem Based Ann Observer, Eyyüp Öksüztepe, Zeki̇ Omaç, Mehmet Polat, Hakan Çeli̇k, Ahmet Hakan Selçuk, Hasan Kürüm
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Implementation Of A Modified Svpwm-Based Three-Phase Inverter With Reduced Switches Using A Single Dc Source For A Grid-Connected Pv System, Venkatesan Mani, Rajeswari Ramachandran, Deverajan Nanjundappan
Implementation Of A Modified Svpwm-Based Three-Phase Inverter With Reduced Switches Using A Single Dc Source For A Grid-Connected Pv System, Venkatesan Mani, Rajeswari Ramachandran, Deverajan Nanjundappan
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Iris And Eye Corner Detection By Processing Internal Webcam Images, Bülent Turan, Hali̇l İbrahi̇m Eski̇kurt
Iris And Eye Corner Detection By Processing Internal Webcam Images, Bülent Turan, Hali̇l İbrahi̇m Eski̇kurt
Turkish Journal of Electrical Engineering and Computer Sciences
the eye regions of laptop users. To achieve this, the iris and eye corners are detected by processing the images captured by the standard internal webcam of a laptop. In addition, an artificial neural network (ANN) is used for determining the eye region. Hereby, the iris and eye corners can be detected in the determined eye region. In the study, 107 user images are captured by using a laptop's internal camera under different light intensities, environments, viewpoints, and positions. These images are used for the training of the ANN. Two different methods are used for the iris detection. In the …
An Efficient Robust Watermarking Scheme For Varying Sized Blocks, Navneet Yadav, Kulbir Singh
An Efficient Robust Watermarking Scheme For Varying Sized Blocks, Navneet Yadav, Kulbir Singh
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Optimal Dispatchable Dg Allocation In A Distribution Network Considering Load Growth With A Mixed-Pso Algorithm, Peyman Karimyan, Behrooz Vahidi, Mehrdad Abedi, Seyed Mohammad Ahadi
Optimal Dispatchable Dg Allocation In A Distribution Network Considering Load Growth With A Mixed-Pso Algorithm, Peyman Karimyan, Behrooz Vahidi, Mehrdad Abedi, Seyed Mohammad Ahadi
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Advanced~Neural Network Receiver Design~To Combat Multiple Channel~Impairments, Mürsel Önder, Aydin Akan, Hakan Doğan
Advanced~Neural Network Receiver Design~To Combat Multiple Channel~Impairments, Mürsel Önder, Aydin Akan, Hakan Doğan
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
A Wavelet-Based Feature Set For Recognizing Pulse Repetition Interval Modulation Patterns, Kenan Gençol, Nuray At, Ali̇ Kara
A Wavelet-Based Feature Set For Recognizing Pulse Repetition Interval Modulation Patterns, Kenan Gençol, Nuray At, Ali̇ Kara
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Power System Harmonic Reduction And Voltage Control Using Dfig Converters As An Active Filter, Seyyed Mostafa Nosratabadi, Eskandar Gholipour
Power System Harmonic Reduction And Voltage Control Using Dfig Converters As An Active Filter, Seyyed Mostafa Nosratabadi, Eskandar Gholipour
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Quantitative Risk Associated With Intermittent Wind Generation, Mohamed Shaaban, Mohd. Dzulhafizi Usman
Quantitative Risk Associated With Intermittent Wind Generation, Mohamed Shaaban, Mohd. Dzulhafizi Usman
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Protection Of A Multiterminal Dc Compact Node Feeding Electric Vehicles On Electric Railway Systems, Secondary Distribution Networks, And Pv Systems, Jesus Casa Hernandez, Francisco Sanchez Sutil, Pedro Gomez Vidal
Protection Of A Multiterminal Dc Compact Node Feeding Electric Vehicles On Electric Railway Systems, Secondary Distribution Networks, And Pv Systems, Jesus Casa Hernandez, Francisco Sanchez Sutil, Pedro Gomez Vidal
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Winding Temperature Prediction In Split-Winding Traction Transformer, Davood Azizian
Winding Temperature Prediction In Split-Winding Traction Transformer, Davood Azizian
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
A Novel Approach For Automatic Blood Vessel Extraction In Retinal Images: Complex Ripplet-I Transform And Complex Valued Artificial Neural Network, Murat Ceylan, Hüseyi̇n Yaşar
A Novel Approach For Automatic Blood Vessel Extraction In Retinal Images: Complex Ripplet-I Transform And Complex Valued Artificial Neural Network, Murat Ceylan, Hüseyi̇n Yaşar
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.