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Sadahiko Mihashi

dblp:14/3993 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2001
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1Graphics, computer vision, multimedia, augmented reality and games · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Rendering · 100%

Topics — the 2 heaviest of 2, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Rendering
image-based rendering
0.012001
Photometric Image-Based Rendering for Image Generation in Arbitrary Illumination · ICCV 2001
Rendering › appearance modeling › reflectance and appearance modeling
reflectance and illumination modeling
0.012001
Photometric Image-Based Rendering for Image Generation in Arbitrary Illumination · ICCV 2001

Methods — techniques the papers use, named apart from their topics

photometric linearization · 0.0morphing · 0.0
YearPublicationVenuePosition
2001 Photometric Image-Based Rendering for Image Generation in Arbitrary Illumination
abstract
A Photometric Image-Based Rendering (PIER) concept is proposed that facilitates the generation of an image with an arbitrary illumination. Based on this concept, we aim to generate both diffuse and specular reflections. It is not necessary to explicitly recover 3D shape and reflection properties of the scene. In order to control appearance changes caused by modifications in the lighting conditions, we utilize a set of real images taken, in a variety of lighting conditions. Since the diffuse and specular reflection components have different characteristics, we separate these components and apply different methods to each. A photometric linearization is introduced to control diffuse reflections as well as for separating the other components. This also facilitates the treatment of attached shadows as a part of the diffuse reflection. A morphing technique is utilized to generate specular reflections. This is an effective technique for dealing with glossy objects, even when the light shape is clearly observed in the specular reflection. Experimental results show that realistic images can be successfully generated using this technique.
Yasuhiro Mukaigawa, Hajime Miyaki, Sadahiko Mihashi, Takeshi Shakunaga
ICCV3