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Text-based Rendering

Calligraphy in Non-Photorealistic Rendering

Ivar Postma [email protected]

Advanced Computer Graphics School for Computing and Cognition University of Groningen

December 12, 2011

Table of Contents

Calligraphy Background Examples

Text-based Rendering Introduction Calligraphic Packing Digital Micrography Other Examples

My Project Preliminary Results Next Step(s)

Summary

Sources

Questions and Suggestions

Calligraphy

Background

I (^) The word calligraphy comes from the Greek words “kallos” and “graphe” for beautiful and writing I (^) Calligraphy is a type of visual art I (^) Calligraphy has been present in many cultures throughout the ages

Calligraphy

Background

I (^) Calligraphy started off as “fancy writing”

Figure: Islamic and Chinese calligraphy

Calligraphy

Background

I (^) Since medieval times calligraphy has developed as an art form I (^) Today, calligraphy is a term used for text that is formed to be expressive or hamonious I (^) This way, text becomes more than just words with a meaning

Table of Contents

Calligraphy Background Examples

Text-based Rendering Introduction Calligraphic Packing Digital Micrography Other Examples

My Project Preliminary Results Next Step(s)

Summary

Sources

Questions and Suggestions

Calligraphy

Example

Figure: A horse by the same artist

Calligraphy

Example

Figure: An elephant drawn with the Latin alphabet

Problem description

I (^) The general problem in text-based rendering is how to fill an area with text in a way that is meaningful to people

Table of Contents

Calligraphy Background Examples

Text-based Rendering Introduction Calligraphic Packing Digital Micrography Other Examples

My Project Preliminary Results Next Step(s)

Summary

Sources

Questions and Suggestions

Calligraphic Packing

Example

Figure: An elephant as rendered with the technique from [1]

Calligraphic Packing

I (^) Objects or shapes are represented by warped letters that form a word I (^) Humans can identify warped letters quite well I (^) A technique has been developed by Jie Xu and Craig S. Kaplan

Calligraphic Packing

Finding Sub-regions

Figure: Finding sub-regions [1]

Calligraphic Packing

Warping Letters

Figure: Warping a letters into a region [1]