51cg

Dr Jari Korhonen

Dr Jari Korhonen
Dr Jari Korhonen
Dr Jari Korhonen

Senior Lecturer

Accepting PhDs

51cg
Email Address
jari.korhonen@abdn.ac.uk
Office Address
328 Meston Building
Old Aberdeen Campus
Meston Walk
AB24 3UE

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School/Department
School of Natural and Computing Sciences



Biography

I am an experienced researcher in computer science, specialised in multimedia technologies and Quality of Experience (QoE) in particular. I received my MSc degree in information engineering at University of Oulu, Finland, in 2001, and PhD in telecommunications and signal processing at Tampere University of Technology, Finland, in 2006. In my early career, I worked as a Research Engineer at Nokia Research Center, Tampere, Finland, from 2001 to 2006, before moving to academia. Before joining the 51cg, I was working at Shenzhen University, China, from 2017 to 2022.

My past research experience covers both telecommunications and signal processing aspects of multimedia communications. My current research focus primarily on visual quality assessment, and I have contributed to several models for predicting perceived image and video quality directly from the signal. As a part of this work, I have been principal investigator (PI) for a project funded by National Natural Science Foundation of China (NSFC) from 2018 to 2021. Most recently, I have studied deep learning techniques applied to visual quality assessment, as well as other related computer vision problems.

In addition to my research work, I have experience of teaching several courses in the fields of visual communications, signal processing, and telecommunications. I have also supervised and co-supervised several student projects at BSc, MSc and PhD levels. 

Qualifications

  • PhD Telecommunications and Signal Processing 
    2006 - Tampere University of Technology, Finland 
  • MSc Information Engineering 
    2001 - University of Oulu, Finland 

External Memberships

  • IEEE Member

Latest Publications

  • COPP-Net: No-Reference Point Cloud Quality Assessment via Weighted Patch Quality Prediction

    Zhu, L., Cheng, J., Wang, X., Su, H., Yuan, H., Song, J., Korhonen, J.
    IEEE Transactions on Broadcasting, vol. 71, no. 4, pp. 1079 - 1091
    Contributions to Journals: Articles
  • NERO: Explainable Out-of-Distribution Detection with Neuron-level Relevance in Gastrointestinal Imaging

    Chhetri, A., Korhonen, J., Gyawali, P. K., Bhattarai, B.
    Contributions to Conferences: Papers
  • 3DTA: No-Reference 3D Point Cloud Quality Assessment with Twin Attention

    Zhu, L., Cheng, J., Wang, X., Su, H., Yang, H., Yuan, H., Korhonen, J.
    IEEE Transactions on Multimedia, vol. 26, pp. 10489 - 10502
    Contributions to Journals: Articles
  • Gated Transformer Representing Region Importance for Image Quality Assessment

    You, J., Lin, Y., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • FishIR: Identifying Pufferfish Individual based on Deep Learning and Face Recognition

    Lin, Y., Xie, S., Ghose, D., Liu, X., You, J., Korhonen, J., Liu, J., Dash, S. P.
    IEEE Access, vol. 12, pp. 59807 - 59817
    Contributions to Journals: Articles

View My Publications

Research

Research Areas

Accepting PhDs

I am currently accepting PhDs in Computing Science.

Please get in touch if you would like to discuss your research ideas further.

Computing Science

  • Accepting PhDs

Research Specialisms

  • Artificial Intelligence
  • Computer Vision
  • Multimedia Computing Science

Our research specialisms are based on the Higher Education Classification of Subjects (HECoS) which is , published under the licence.

Funding and Grants

  • National Natural Science Foundation of China (NSFC) Grant 61772348: "Quality assessment for consumer video applications," 2018-21 (Shenzhen University).
Teaching

Teaching Responsibilities

I am currently course co-ordinator for the following SCNU Joint Institute BSc courses:

I also supervise coursework projects for the following SCNU Joint Institute BSc courses:

In addition, I supervise BSc thesis projects and I am course co-ordinator for the CS programme in JC4000 Graduation Thesis.

Publications

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  • Modeling the color image and video quality on liquid crystal displays with backlight dimming

    Korhonen, J., Mantel, C., Burini, N., Forchhammer, S.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • No-reference video quality assessment using MPEG analysis

    Søgaard, J., Forchhammer, S., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Quality assessment of images displayed on LCD screen with local backlight dimming

    Mantel, C., Burini, N., Korhonen, J., Nadernejad, E., Forchhammer, S.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Reducing the duration of paired-comparison experiments for visual quality assessment

    Mantel, C., Forchhammer, S., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Searching for the preferred backlight intensity in liquid crystal displays with local backlight dimming

    Korhonen, J., Mantel, C., Burini, N., Forchhammer, S.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Image dependent energy-constrained local backlight dimming

    Burini, N., Nadernejad, E., Korhonen, J., Forchhammer, S., Wu, X.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Improving performance of wavelet-based image denoising algorithm using complex diffusion process

    Nadernejad, E., Sharifzadeh, S., Korhonen, J.
    Imaging Science Journal, vol. 60, no. 4, pp. 208-218
    Contributions to Journals: Articles
  • Speedup of optimization-based approach to local backlight dimming of HDR displays

    Burini, N., Nadernejad, E., Korhonen, J., Forchhammer, S., Wu, X.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • How to evaluate objective video quality metrics reliably

    Korhonen, J., Burini, N., You, J., Nadernejad, E.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Objective assessment of the impact of frame rate on video quality

    Ukhanova, A., Korhonen, J., Forchhammer, S.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Peak signal-to-noise ratio revisited: Is simple beautiful?

    Korhonen, J., You, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Theoretical framework for evaluating partial checksum protection in wireless video streaming

    Korhonen, J., Forchhammer, S., Larsen, K. J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Balancing attended and global stimuli in perceived video quality assessment

    You, J., Korhonen, J., Perkis, A., Ebrahimi, T.
    IEEE Transactions on Multimedia, vol. 13, no. 6, pp. 1269-1285
    Contributions to Journals: Articles
  • Congestion control in wireless links based on selective delivery of erroneous packets

    Korhonen, J., Perkis, A., Reiter, U.
    Signal Processing: Image Communication, vol. 26, no. 2, pp. 105-115
    Contributions to Journals: Articles
  • Modeling LCD displays with local backlight dimming for image quality assessment

    Korhonen, J., Burini, N., Forchhammer, S., Pedersen, J. M.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Artifact reduction of compressed images and video combining adaptive fuzzy filtering and directional anisotropic diffusion

    Nadernejad, E., Forchhammer, S., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Audiovisual quality fusion based on relative multimodal complexity

    You, J., Korhonen, J., Reiter, U.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Subjective comparison of temporal and quality scalability

    Korhonen, J., Reiter, U., You, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Attention modeling for video quality assessment: Balancing global quality and local quality

    You, J., Korhonen, J., Perkis, A.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Audiovisual quality assessment in communications applications: Current status, trends and challenges

    Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • On the relationship between perceptual impact of source and channel distortions in video sequences

    Korhonen, J., Reiter, U., You, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • On the relative importance of audio and video in the presence of packet losses

    Korhonen, J., Reiter, U., Myakotnykh, E.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Spatial and temporal pooling of image quality metrics for perceptual video quality assessment on packet loss streams

    You, J., Korhonen, J., Perkis, A.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Flexible forward error correction codes with application to partial media data recovery

    Korhonen, J., Frossard, P.
    Signal Processing: Image Communication, vol. 24, no. 3, pp. 229-242
    Contributions to Journals: Articles
  • Analysis on the perceptual impact of bit errors in practical video streaming applications

    Korhonen, J., Reiter, U.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Battery life of mobile peers with UMTS and WLAN in a Kademlia-based P2P overlay

    Kassinen, O., Harjula, E., Korhonen, J., Ylianttila, M.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Comparing apples and oranges: Subjective quality assessment of streamed video with different types of distortion

    Reiter, U., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Comparison of unequal erasure protection schemes for video streaming

    Korhonen, J., Perkis, A.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Loss-distortion estimation for practical H.264/AVC streams

    Korhonen, J., Perkis, A.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Wireless congestion control based on delivery of erroneous packets

    Korhonen, J., Perkis, A.
    Contributions to Journals: Conference Articles
  • Peer-to-peer community management using structured overlay networks

    Koskela, T., Kassinen, O., Korhonen, J., Ou, Z., Ylianttila, M.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Error control for video streaming with small data units

    Korhonen, J., Frossard, P.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Leveraging collaboration of peer-to-peer and web services

    Koskela, T., Julkunen, J., Korhonen, J., Liu, M., Ylianttila, M.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Sparse FEC codes for flexible media protection

    Korhonen, J., Frossard, P.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Bit-error resilient packetization for streaming h.264/avc video

    Korhonen, J., Frossard, P.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Generic forward error correction of short frames for IP streaming applications

    Korhonen, J., Huang, Y., Wang, Y.
    Multimedia Tools and Applications, vol. 29, no. 3, pp. 305-323
    Contributions to Journals: Articles
  • Unacceptability of instantaneous errors in mobile television: From annoying audio to video

    Jumisko-Pyykkö, S., Vinod Kumar, M. V., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Toward bandwidth-efficient and error-robust audio streaming over lossy packet networks

    Korhonen, J., Wang, Y., Isherwood, D.
    Multimedia Systems, vol. 10, no. 5, pp. 402-412
    Contributions to Journals: Articles
  • Power-efficient streaming for mobile terminals

    Korhonen, J., Wang, Y.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Effect of packet size on loss rate and delay in wireless links

    Korhonen, J., Wang, Y.
    Contributions to Journals: Conference Articles
  • Optimization of source and channel coding for voice over IP

    Huang, Y., Korhonen, J., Wang, Y.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Adaptive multimedia streaming for heterogeneous networks

    Korhonen, J.
    Wired/Wireless Internet Communications. WWIC 2004. Langendoerfer, P., Liu, M., Matta, I., Tsaoussidis, V. (eds.). Springer Verlag, pp. 248-259, 12 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • A framework for robust and scalable audio streaming

    Wang, Y., Huang, W., Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
  • Packetization scheme for streaming high-quality audio over wireless links

    Korhonen, J., Järvinen, R.
    Interactive Multimedia on Next Generation Networks. MIPS 2003. Ventre, G., Canonico, R. (eds.). Springer Verlag, pp. 42-53, 12 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • Robust audio streaming over lossy packet-switched networks

    Korhonen, J.
    Information Networking. ICOIN 2003. Kahng, H. (ed.). Springer Verlag, pp. 386-395, 10 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • Schemes for error resilient streaming of perceptually coded audio

    Korhonen, J., Wang, Y.
    Contributions to Journals: Conference Articles
  • Error robustness scheme for perceptually coded audio based on interframe shuffling of samples

    Korhonen, J.
    Chapters in Books, Reports and Conference Proceedings: Conference Proceedings
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