Now showing items 1-20 of 30

    • SDN – based Dynamic Bandwidth Allocation for Multiple Video-on-Demand Players over HTTP 

      Pham, Ngoc Nam; Pham, Hong Thinh; Nguyen, Huu Thinh; Truong, Thu Huong (2019)
      Nowadays, HTTP adaptive streaming (HAS) has become the standard for video streaming over multimedia networks. However, HAS alone cannot ensure a seamless viewing experience. The adaptation of HAS in network management faces ...
    • The title of the paper is: **A Quantitative Analysis of the Effect of Human Detection and Segmentation Quality in Person Re-identification Performance** 

      Nguyen, Thuy Binh; Nguyen, Hong Quan; Le, Thi Lan; Pham, Ngoc Nam; Pham, Thi Thanh Thuy (2019)
      Person re-identification, a problem of person identity association across camera views at different locations and times, is the second step in two-steps system for automatic video surveillance: person detection, tracking ...
    • QoE-aware video streaming over HTTP and software-defined networking 

      Pham, Hong Thinh; Nguyen, Thanh Dat; Pham, Ngoc Nam; Nguyen, Huu Thanh; Truong, Thu Huong (2019)
      The exponential growth in video streaming traffic over the Internet has created a demand for innovative methods to enhance both Quality of Experience (QoE) for users and Quality of Service (QoS) for providers. HTTP Adaptive ...
    • QoE-Aware Video Streaming over HTTP and Software Defined Networking 

      Pham Hong, Thinh; Nguyen Thanh, Dat; Pham Ngoc, Nam; Nguyen Huu, Thanh; Truong Thu, Huong (2019)
      Due to the increase in video streaming traffic over the Internet, more innovative methods are in demand for improving both Quality of Experience (QoE) of users and Quality of Service (QoS) of providers. In recent years, ...
    • An LSTM-based Approach for Overall Quality Prediction in HTTP Adaptive Streaming 

      Nam, Pham Ngoc; Tran, T. T. Huyen; Nguyen, D. Duong; Truong, Cong Thang; Nguyen, V. Duc (2019-04)
      HTTP Adaptive Streaming (HAS) has become a popular solution for multimedia delivery nowadays. In HAS, video quality is generally varying in each streaming session. Therefore, a key question in HTTP Adaptive Streaming is ...
    • An LSTM-based Approach for Overall Quality Prediction in HTTP Adaptive Streaming 

      Tran, Huyen T.T.; Nguyen, Duc V.; Nguyen, Duong D.; Pham, Nam Ngoc; Truong, Thang Cong (2019-04-29)
      HTTP Adaptive Streaming (HAS) has become a popular solution for multimedia delivery nowadays. In HAS, video quality is generally varying in each streaming session. Therefore, a key question in HTTP Adaptive Streaming is ...
    • Scalable 360 Video Streaming using HTTP/2 

      Nguyen, Duc V.; Hoang, Van Trung; Hoang, Le Dieu Huong; Truong, Thu Huong; Pham, Ngoc Nam; Truong, Cong Thang (2019-07)
      360-degree video is the primary content type in Virtual Reality, offering users an immersive viewing experience. This paper introduces a novel adaptation method for streaming 360-degree video over HTTP/2, aimed at enhancing ...
    • A Subjective study on user perception aspects in virtual reality 

      Tran, Huyen T.T.; Pham, Ngoc Nam; Pham, Cuong Thi; Jung, Yong Ju; Truong, Thang Cong (2019-08-01)
      Three hundred and sixty degree video is becoming more and more popular on the Internet. By using a Head-Mounted Display, 360-degree video can render a Virtual Reality (VR) environment. However, it is still a big challenge ...
    • A Subjective Study on User Perception Aspects in Virtual Reality 

      Tran, T. T. Huyen; Pham, Ngoc Nam; Pham, T. Cuong; Jung, Yong Ju; Truong, Cong Thang (2019-08-16)
      Three hundred and sixty degree video is becoming more and more popular on the Internet. By using a Head-Mounted Display, 360-degree video can render a Virtual Reality (VR) environment. However, it is still a big challenge ...
    • QoE-aware video streaming over HTTP and software defined networking 

      Pham, Hong Thinh; Nguyen, Thanh Dat; Pham, Nam Ngoc; Nguyen, Thanh Huu; Truong, Huong Thu (2019-08-19)
      Due to the increase in video streaming traffic over the Internet, more innovative methods are in demand for improving both Quality of Experience (QoE) of users and Quality of Service (QoS) of providers. In recent years, ...
    • Scalable 360 Video Streaming using HTTP/2 

      Nguyen, Duc V.; Hoang, Van Trung; Hoang Le, Huong Dieu; Truong, Huong Thu; Pham, Ngoc Nam; Truong, Thang Cong (2019-09)
      360-degree video is the main content type of Virtual Reality, providing users with immersive viewing experience. In this paper, we propose a novel adaptation method for 360-degree video streaming over HTTP/2, which can ...
    • Impacts of retina-related zones on quality perception of omnidirectional image 

      Tran, T. T. Huyen; Nguyen, V. Duc; Pham, Ngoc Nam; Hoang, H. Trang; Truong, Thu Huong; Truong, Cong Thang (2019-11-18)
      Virtual Reality (VR), which brings immersive experiences to viewers, has been gaining popularity in recent years. A key feature in VR systems is the use of omnidirectional content, which provides 360-degree views of scenes. ...
    • A weighted viewport quality metric for omnidirectional images 

      Tran, Huyen T.T.; Hoang, Trang H.; Minh, Phu N.; Pham, Ngoc Nam; Cong Thang, Truong (2020)
      Thanks to the ability to bring immersive experiences to users, Virtual Reality (VR) technologies have been gaining popularity in recent years. A key component in VR systems is omnidirectional content, which can provide ...
    • A Weighted Viewport Quality Metric for Omnidirectional Images 

      Tran, Huyen T. T.; Hoang, Trang H.; Minh, Phu N.; Pham, Nam N.; Truong, Thang C. (2020-01-01)
      Thanks to the ability to bring immersive experiences to users, Virtual Reality (VR) technologies have been gaining popularity in recent years. A key component in VR systems is omnidirectional content, which can provide ...
    • An Efficient QoE-Aware HTTP Adaptive Streaming over Software Defined Networking 

      Nam, Pham Ngoc (2020-05)
      Due to the increase in video streaming traffic over the Internet, more innovative methods are in demand for improving both Quality of Experience (QoE) of users and Quality of Service (QoS) of providers. In recent years, ...
    • An Efficient QoE-Aware HTTP Adaptive Streaming over Software Defined Networking 

      Pham, Hong Thinh; Nguyen, Thanh Dat; Pham, Ngoc Nam; Nguyen, Huu Thanh; Nguyen, M. Hien; Truong, Thu Huong (2020-10)
      Due to the increase in video streaming traffic over the Internet, more innovative methods are in demand for improving both Quality of Experience (QoE) of users and Quality of Service (QoS) of providers. In recent years, ...
    • Towards an Overall QoE Model for 360-Degree Video 

      Tran, Huyen T. T.; Pham, Ngoc Nam; Truong, Cong Thang (2021-01-13)
      Although 360-degree video is becoming more and more popular on the Internet, understanding of Quality of Experience (QoE) of 360-degree video is still limited. In this paper, we aim to investigate for the first time the ...
    • Cumulative Quality Modeling for HTTP Adaptive Streaming 

      Pham, Ngoc Nam; Tran, Huyen T. T.; Truong, Cong Thang; HOßFELD, TOBIAS; SEUFERT, MICHAEL (2021-04)
      HTTP Adaptive Streaming has become the de facto choice for multimedia delivery. However, the quality of adaptive video streaming may fluctuate strongly during a session due to throughput fluctuations. So, it is important ...
    • Overall quality prediction for HTTP adaptive streaming using LSTM network 

      Pham, Ngoc Nam; Truong, Cong Thang; Tran, T. T. Huyen; Nguyen, V. Duc (2021-08)
      HTTP Adaptive Streaming (HAS) has become a widely adopted method for delivering multimedia content. However, the variability in network bandwidth often results in fluctuating video quality during streaming, posing a ...
    • QoE Models for Adaptive Streaming: A Comprehensive Evaluation 

      Nguyen, Duc; Pham, Ngoc Nam; Truong, Cong Thang (2022-05-13)
      Adaptive streaming has become a key technology for various multimedia services, such as online learning, mobile streaming, Internet TV, etc. However, because of throughput fluctuations, video quality may be dramatically ...

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