Prof. Peter D. Vize Profile

Prof. Peter D. Vize

at Univ of Calgary

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Proceedings Article | 29 January 2007 Paper

Adaptation of video game UVW mapping to 3D visualization of gene expression patterns

Peter Vize, Victor Gerth

Proceedings Volume 6506, 65060H (2007) https://doi.org/10.1117/12.714073

KEYWORDS: 3D modeling, Data modeling, Ultraviolet radiation, Volume rendering, Tissues, Kidney, Video, Associative arrays, Visualization, 3D image processing

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Analysis of gene expression patterns within an organism plays a critical role in associating genes with biological processes in both health and disease. During embryonic development the analysis and comparison of different gene expression patterns allows biologists to identify candidate genes that may regulate the formation of normal tissues and organs and to search for genes associated with congenital diseases. No two individual embryos, or organs, are exactly the same shape or size so comparing spatial gene expression in one embryo to that in another is difficult. We will present our efforts in comparing gene expression data collected using both volumetric and projection approaches. Volumetric data is highly accurate but difficult to process and compare. Projection methods use UV mapping to align texture maps to standardized spatial frameworks. This approach is less accurate but is very rapid and requires very little processing. We have built a database of over 180 3D models depicting gene expression patterns mapped onto the surface of spline based embryo models. Gene expression data in different models can easily be compared to determine common regions of activity. Visualization software, both Java and OpenGL optimized for viewing 3D gene expression data will also be demonstrated.

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