Computers and Graphics

Compact visualization techniques such as dense pixel displays find application in displaying spatio-temporal datasets in a space-efficient way. While mostly focusing on feature development, the depiction of spatial distributions of the ...

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• 2D colormaps can be used to map spatial positions to colors.
• Non-Spatial ...

Effective collaboration in immersive virtual environments requires to be able to communicate flawlessly using both verbal and non-verbal communication. We present two experiments investigating the impact of facial anthropomorphism on ...

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• Body ownership is not significantly impacted by facial anthropomorphism.
• Facial ...

Videos often contain subtle motions and color variations that cannot be easily observed. Examples include, for instance, head motion and changes in skin face color due to blood flow controlled by the heart pumping rhythm. A few ...

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• Technique can be applied to multiple signals defined at different frequency bands.

Cluster interpretation after dimensionality reduction (DR) is a ubiquitous part of exploring multidimensional datasets. DR results are frequently represented by scatterplots, where spatial proximity encodes similarity among data ...

• A new methodology to find contrastive features in datasets.
• Hypothesis testing ...

Real-time rendering of pixel-accurate hard shadows in 3D scenes is still a challenging problem for shadow generation techniques. In this paper, we present the concept of non-overlapping geometric shadow map (NOGSM), which enables the ...

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• Geometric hidden surface removal.
• Geometric shadow mapping with non-overlapping ...

3D CAD models play an important role in large-scale engineering projects. The increasing demand for highly-detailed datasets presents a challenge for efficient storage, transmission, and rendering. To reduce dataset size, 3D shape ...

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• Guarantee of an upper bound on any geometric errors.
• Independent of vertices ...

Taking into consideration the behavior of social groups, such as groups of friends, couples and families, is very important in crowd simulation. Existing approaches of group modeling offer little flexibility for customizing the ...

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• Model capable of representing groups with flexible structures and relationships.

Fine-texture Image Retrieval, a special case in Content Based Image Retrieval, has high potential application value in many fields. However, there are very few researches focus on this special case. Due to the difference between fine-...

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• A method for image retrieval with fine texture is proposed.
• The proposed method ...