Now showing items 21-35 of 35

    • On the Nature of Perceptual Translucency 

      Gigilashvili, Davit; Thomas, Jean Baptiste; Hardeberg, Jon Yngve; Pedersen, Marius (Journal article, 2020)
      Translucency is an appearance attribute used to characterize materials with some degree of subsurface light transport. Although translucency as a radiative transfer inside the medium is relatively well understood, translucency ...
    • Perceived Glossiness: Beyond Surface Properties 

      Gigilashvili, Davit; Thomas, Jean-Baptiste; Pedersen, Marius; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2019)
      Gloss is widely accepted as a surface- and illuminationbased property, both by definition and by means of metrology. However, mechanisms of gloss perception are yet to be fully understood. Potential cues generating gloss ...
    • Perceived Translucency at Different Spatial Scales in Color and Grayscale Images 

      Hassan, Aqsa; Gigilashvili, Davit (Peer reviewed; Journal article, 2023)
      Many objects and materials in our daily lives are translucent. Translucency is an important attribute of appearance together with color, gloss, and texture. However, it remains largely unexplored whether and how these ...
    • Perceptual Navigation in Absorption-Scattering Space 

      Gigilashvili, Davit; Urban, Philipp; Thomas, Jean Baptiste; Pedersen, Marius; Hardeberg, Jon Yngve (Peer reviewed; Journal article, 2021)
      Translucency optically results from subsurface light transport and plays a considerable role in how objects and materials appear. Absorption and scattering coefficients parametrize the distance a photon travels inside the ...
    • Reconstructing the Original: Machine Learning Puzzle Assembly for Matching Archaeological Textile Fragments 

      Gulbrandsen, Casper Fabian (Master thesis, 2023)
      Denne masteroppgaven utforsker den unike utfordringen med å bruke datavitenskap til å bevare og rekonstruere svært fragmenterte arkeologiske tekstiler, som representerer en særegen kategori av kulturarv. Tekstilene som er ...
    • The Role of Background Blur and Contrast in Perceived Translucency of See-through Filters 

      Alizadeh Mivehforoushi, Asma; Gigilashvili, Davit; Hardeberg, Jon Yngve (Peer reviewed; Journal article, 2023)
      Translucency is an appearance attribute, which primarily results from subsurface scattering of light. The visual perception of translucency has gained attention in the past two decades. However, the studies mostly address ...
    • The Role of Shape in Modeling Gloss 

      Gigilashvili, Davit; Islam, Akib Jayed (Peer reviewed; Journal article, 2022)
      Gloss is an important appearance attribute, and its exact perceptual mechanisms are yet to be fully understood. Previous works attempted to model the relationship between optical and perceptual gloss. The state-of-the-art ...
    • The Role of Subsurface Scattering in Glossiness Perception 

      Gigilashvili, Davit; Shi, Weiqi; Wang, Zeyu; Pedersen, Marius; Hardeberg, Jon Yngve; Rushmeier, Holly (Peer reviewed; Journal article, 2021)
      This study investigates the potential impact of subsurface light transport on gloss perception for the purposes of broadening our understanding of visual appearance in computer graphics applications. Gloss is an important ...
    • Software for Virtual Puzzle Reassembly 

      Iversen, Mathias; Mathiassen, Mikael Røv; Steinsholt, Oda Katrine (Bachelor thesis, 2024)
      I dette prosjektet ble en programvare kalt Artifact Assembly videreutviklet for dette formålet. Målet var å legge til så mange funksjoner som mulig i programvaren for å øke brukervennligheten og nytteverdien. Utviklingsprosessen ...
    • Texture-based clustering of archaeological textile images 

      Gigilashvili, Davit; Nguyen, H. T.; Gulbrandsen, C. F.; Havgar, Margrethe; Vedeler, Marianne; Hardeberg, Jon Yngve (Journal article, 2023)
      Archaeological textiles are often highly fragmented, and solving a puzzle is needed to recover the original composition and respective motifs. The lack of ground truth and unknown number of the original artworks that the ...
    • Toward Solving a Puzzle of Fragmented Archeological Textiles 

      Gigilashvili, Davit; Gulbrandsen, Casper Fabian; Nguyen, Ha Thu; Havgar, Margrethe; Vedeler, Marianne; Hardeberg, Jon Yngve (Peer reviewed; Journal article, 2024)
      Archeological textiles can provide invaluable insight into the past. However, they are often highly fragmented, and a puzzle has to be solved to re-assemble the object and recover the original motifs. Unlike common jigsaw ...
    • Translucency perception: A review 

      Gigilashvili, Davit; Thomas, Jean Baptiste; Hardeberg, Jon Yngve; Pedersen, Marius (Peer reviewed; Journal article, 2021)
      Translucency is an optical and a perceptual phenomenon that characterizes subsurface light transport through objects and materials. Translucency as an optical property of a material relates to the radiative transfer inside ...
    • Transparency and Translucency in Visual Appearance of Light-Permeable Materials 

      Gigilashvili, Davit; Ahmed, Tawsin Uddin (Peer reviewed; Journal article, 2022)
      Light-permeable materials are usually characterized by perceptual attributes of transparency, translucency, and opacity. Technical definitions and standards leave room for subjective interpretation on how these different ...
    • Using Deep Generative Models for Glossy Appearance Synthesis and Exploration 

      Reddy Nimma, Abhinav; Gigilashvili, Davit (Journal article, 2023)
      Generating images with realistic material appearance using a physically-based renderer demands significant time and human labor. The images are used in psychophysical experiments to study human perception of material ...
    • Using Spatial Augmented Reality to Increase Perceived Translucency of Real 3D Objects 

      Trumpy, Giorgio; Gigilashvili, Davit (Journal article, 2023)
      Translucency is an important optical and perceptual attribute that has a significant impact on the appearance of objects and materials. Expensive and time-consuming manufacturing process is required to produce a translucent ...