Browsing Institutt for informasjonssikkerhet og kommunikasjonsteknologi by Author "Farup, Ivar"

Now showing items 1-11 of 11

    • Evaluation of Algorithms for the Determination of Color Gamut Boundaries 

      Bakke, Arne Magnus; Farup, Ivar; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2010)
      Several techniques for the computation of gamut boundaries have been presented in the past. In this article we take an in-depth look at some of the gamut boundary descriptors used when performing today's gamut mapping ...

    • Hyperbolic geometry for colour metrics 

      Farup, Ivar (Journal article; Peer reviewed, 2014)
      It is well established from both colour difference and colour order perpectives that the colour space cannot be Euclidean. In spite of this, most colour spaces still in use today are Euclidean, and the best Euclidean colour ...

    • Predicting the Performance of a Spatial Gamut Mapping Algorithm 

      Bakke, Arne Magnus; Farup, Ivar; Hardeberg, Jon Yngve (Proceedings of SPIE;7241, Journal article; Peer reviewed, 2009)
      Gamut mapping algorithms are currently being developed to take advantage of the spatial information in an image to improve the utilization of the destination gamut. These algorithms try to preserve the spatial informa- ...

    • PS-DeVCEM: Pathology-sensitive deep learning model for video capsule endoscopy based on weakly labeled data 

      Mohammed, Ahmed Kedir; Farup, Ivar; Pedersen, Marius; Yildirim Yayilgan, Sule; Hovde, Øistein (Peer reviewed; Journal article, 2020)
      We propose a novel pathology-sensitive deep learning model (PS-DeVCEM) for frame-level anomaly detection and multi-label classification of different colon diseases in video capsule endoscopy (VCE) data. Our proposed model ...

    • Spatio-temporal colour correction of strongly degraded movies 

      Islam, A.B.M Tariqul; Farup, Ivar (Proceedings of SPIE;7866, Journal article; Peer reviewed, 2011)
      The archives of motion pictures represent an important part of precious cultural heritage. Unfortunately, these cinematography collections are vulnerable to different distortions such as colour fading which is beyond the ...

    • Spatio-Temporal Retinex-Inspired Envelope with Stochastic Sampling: A Framework for Spatial Color Algorithms 

      Kolås, Øyvind; Farup, Ivar; Rizzi, Alessandro (Journal article; Peer reviewed, 2011)
      The authors present a new framework for algorithms for a wide range of image enhancement and reproduction applications, named STRESS Spatio-Temporal Retinex-inspired Envelope with Stochastic Sampling. The algorithms work ...

    • Spatio-Temporal Retinex-like Envelope with Total Variation 

      Simone, Gabriele; Farup, Ivar (Chapter; Peer reviewed, 2012)
      Many algorithms for spatial color correction of digital im- ages have been proposed in the past. Some of the most recently developed algorithms use stochastic sampling of the image in or- der to obtain maximum and minimum ...

    • Stochastic Capsule Endoscopy Image Enhancement 

      Mohammed, Ahmed Kedir; Farup, Ivar; Pedersen, Marius; Hovde, Øistein; Yildirim Yayilgan, Sule (Journal article; Peer reviewed, 2018)
      Capsule endoscopy, which uses a wireless camera to take images of the digestive tract, is emerging as an alternative to traditional colonoscopy. The diagnostic values of these images depend on the quality of revealed ...

    • StreoScenNet: Surgical stereo robotic scene segmentation 

      Mohammed, Ahmed Kedir; Yildirim Yayilgan, Sule; Farup, Ivar; Pedersen, Marius; Hovde, Øistein (Journal article; Peer reviewed, 2019)
      Surgical robot technology has revolutionized surgery toward a safer laparoscopic surgery and ideally been suited for surgeries requiring minimal invasiveness. Sematic segmentation from robot-assisted surgery videos is an ...

    • Termites: a Retinex implementation based on a colony of agents 

      Simone, Gabriele; Audino, Giuseppe; Farup, Ivar; Rizzi, Alessandro (Journal article; Peer reviewed, 2012)
      This paper describes a novel implementation of the Retinex algorithm with the exploration of the image done by an ant swarm. In this case the purpose of the ant colony is not the optimization of some constraints but is ...

    • Variational Approach for Capsule Video Frame Interpolation 

      Mohammed, Ahmed Kedir; Farup, Ivar; Yildirim, Sule; Pedersen, Marius; Hovde, Øistein (Journal article; Peer reviewed, 2018)
      Capsule video endoscopy, which uses a wireless camera to visualize the digestive tract, is emerging as an alternative to traditional colonoscopy. Colonoscopy is considered as the gold standard for visualizing the colon and ...