• Assessment of two fast multispectral systems for imaging of a cultural heritage artifact- a Russian icon 

      Shrestha, Raju; Hardeberg, Jon Yngve (Chapter, 2019)
      As a part of the study of spectral object documentation in cultural heritage, performances of different spectral imaging systems from various institutions and research laboratories were assessed in a Round Robin Test. This ...
    • Computational Color Constancy using a Stereo Camera 

      Shrestha, Raju; Hardeberg, Jon Yngve (Chapter; Peer reviewed, 2012)
      Chromagenic color constancy is one of the promising solutions to the color constancy problem. However, this technique requires two shots of a scene: a conventional RGB image and an additional image that is optically ...
    • Computational color constancy using chromagenic filters in color filter arrays 

      Shrestha, Raju; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2012)
      We have proposed, in this paper, a new color constancy technique, an extension to the chromagenic color constancy. Chromagenic based illuminant estimation methods take two shots of a scene, one without and one with a ...
    • Conceiving a Fast and Practical Multispectral-Stereo System 

      Shrestha, Raju (Master thesis, 2010)
      Multispectral and 3D imagings are two complimentary imaging technologies with many advantages and great potential for their widespread use in the future, if we can make them faster and more practical. This thesis aims at ...
    • Eigensteps: A giant leap for gait recognition 

      Bours, Patrick; Shrestha, Raju (Chapter; Peer reviewed, 2010)
      In this paper we will show that using Principle Component Analysis (PCA) on accelerometer based gait data will give a large improvement on the performance. On a dataset of 720 gait samples (60 volunteers and 12 gait samples ...
    • Gaze maps for video sequences: use of eye tracker to record the gaze of viewers of video sequences 

      Shrestha, Raju (Høgskolen i Gjøviks rapportserie;04/2011, Research report, 2011)
      The main objective of this internship work is to track the gaze of viewers on video sequences and construct gaze maps from the eye tracker recorded data. This allows us to study how eye tracking equipment can be used to ...
    • Multispectral Imaging for Biometrics – A Review 

      Shrestha, Raju (Høgskolen i Gjøviks rapportserie;05/2011, Research report, 2011)
      Multispectral imaging has been used in many biometrics modalities including fingerprint, whole hand, iris and vein recognition. It not only increases the effectiveness of the biometrics recognition but facilitates detection ...
    • Multispectral Imaging using a Stereo Camera: Concept, Design and Assessment 

      Shrestha, Raju; Mansouri, Alamin; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2011)
      This paper proposes a one-shot six-channel multispectral color image acquisition system using a stereo camera and a pair of optical filters. The two filters from the best pair selected from among readily available filters ...
    • Multispectral Imaging using a Stereo Camera: Concept, Design and Assessment 

      Shrestha, Raju; Mansouri, Alamin; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2011)
      This paper proposes a one-shot six-channel multispectral color image acquisition system using a stereo camera and a pair of optical filters. The two filters from the best pair selected from among readily available filters ...
    • One-shot multispectral color imaging with a stereo camera 

      Shrestha, Raju; Hardeberg, Jon Yngve; Mansouri, Alamin (Proceedings of SPIE;7876, Journal article; Peer reviewed, 2011)
      Multispectral color imaging is a promising technology, which can solve many of the problems of traditional RGB color imaging. However, it still lacks widespread and general use because of its limitations. State of the art ...
    • Optimizing Power and Energy Efficiency in Cloud Computing 

      Khan, Naveed; Shrestha, Raju (Chapter, 2019)
      With the exponential growth in cloud computing data centers, power consumption due to the use of physical and virtual machines is becoming a challenge. The amount of power consumed by these systems is increasing day by ...
    • Quality evaluation in spectral imaging – Quality factors and metrics 

      Shrestha, Raju; Pillay, Ruven; George, Sony; Hardeberg, Jon Yngve (Journal article, 2014)
      Spectral imaging has many advantages over conventional three channel colour imaging, and has numerous applications in many domains. Despite many benefits, applications, and different techniques being proposed, little ...
    • Spatial Arrangement of Color Filter Array for Multispectral Image Acquisition 

      Shrestha, Raju; Hardeberg, Jon Yngve; Khan, Rahat (Proceedings of SPIE;7875, Journal article; Peer reviewed, 2011)
      In the past few years there has been a significant volume of research work carried out in the field of multispectral image acquisition. The focus of most of these has been to facilitate a type of multispectral image ...
    • Spectrogenic imaging: A novel approach to multispectral imaging in an uncontrolled environment 

      Shrestha, Raju; Hardeberg, Jon Yngve (Journal article, 2014)
      Increasing the number of imaging channels beyond the conventional three has been shown to be beneficial for a wide range of applications. However, it is mostly limited to imaging in a controlled environment, where the ...
    • Spectrogenic imaging: A novel approach to multispectral imaging in an uncontrolled environment 

      Shrestha, Raju; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2014)
      Increasing the number of imaging channels beyond the conventional three has been shown to be beneficial for a wide range of applications. However, it is mostly limited to imaging in a controlled environment, where the ...