Lineart: Difference between revisions

From wikiluntti
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* https://ar5iv.labs.arxiv.org/html/2008.10693
* https://ar5iv.labs.arxiv.org/html/2008.10693
* https://ccicada.org/wp-content/uploads/2023/09/String-Art-Creating-Constructing-and-Computing.pdf
* https://ccicada.org/wp-content/uploads/2023/09/String-Art-Creating-Constructing-and-Computing.pdf
*
* https://arxiv.org/pdf/2008.10693
* https://quenell.org/PSU/pubpdf/stringart.pdf
* https://www.stringartlaboratory.com/post/beginners-guide-to-string-art-understanding-its-origins-basic-tools-and-materials
* https://chessapig.github.io/files/hyperbolic_string_art.pdf
* https://polypad.amplify.com/lesson/string-art
* https://plus.maths.org/content/bridges-string-art-and-bezier-curves
* https://meangreenmath.com/2023/01/20/parabolas-from-string-art-part-7/

Revision as of 14:53, 24 October 2024

Introduction

String art

  • Radon transform (inverse of)
  • 2d FFT
  • Optimization

Radon Transform

The sum of the intensities in each direction (a line integral).

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \rho = x \cos\theta + y \sin\theta}

The new image will be

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle R(\rho, \theta) = \int \it f(x,y) \delta( \rho - x \cos\theta + y \sin\theta) dx dy}


References