Shapeworks: PCA ํŒŒ์ด์ฌ API

์— ๋งŒ๋“  2021๋…„ 02์›” 23์ผ  ยท  7์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: SCIInstitute/ShapeWorks

ํ˜„์žฌ Studio์— ์žˆ๋Š” ๋Œ€์‘ ๋ชจ๋ธ์— ๋Œ€ํ•œ ๋ชจ๋“  PCA ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•˜๋ ค๋ฉด python API ์ง€์›์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
API๋Š” ๋‹ค์Œ์„ ๊ณ„์‚ฐํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

  1. ๊ณ ์œ ๊ฐ’
  2. ๊ณ ์œ  ๋ฒกํ„ฐ
  3. PCA ๋กœ๋”ฉ
  4. PCA ๊ตฌ์„ฑ ์š”์†Œ ์ ์ˆ˜/๋ถ„์‚ฐ

์ด ๋ชจ๋“  ์ˆ˜๋Ÿ‰์€ numpy ๋ฐฐ์—ด๋กœ ์ €์žฅํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

Feature Request

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

Studio๋Š” ParticleShapeStatistics ํด๋ž˜์Šค๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

https://github.com/SCIInstitute/ShapeWorks/blob/master/Libs/Particles/ParticleShapeStatistics.h

์ผ๋ฐ˜์ ์œผ๋กœ ๋‘ ๊ฐ€์ง€ ๋ชจ๋‘์— ๋Œ€ํ•ด ๋‹จ์ผ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค. ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ๋„๊ตฌ ๊ฐ„์— ๊ฒฐ๊ณผ์™€ ๋™์ž‘์ด ์ผ๊ด€๋˜๊ฒŒ ์œ ์ง€๋ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ ๊ตฌํ˜„์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์€ ์šฐ๋ฆฌ๊ฐ€ ์‹œ๊ฐ„์ด ์ง€๋‚จ์— ๋”ฐ๋ผ ํ†ตํ•ฉํ•˜๋ ค๊ณ  ์‹œ๋„ํ–ˆ๋˜ ๋ถ„๋ฆฌ๋œ ๋„๊ตฌ ์ง‘ํ•ฉ์œผ๋กœ ํ•œ ๋‹จ๊ณ„ ํ›„ํ‡ดํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹๊นŒ ๊ฑฑ์ •๋ฉ๋‹ˆ๋‹ค.

์ฐธ๊ณ ๋กœ R ์‚ฌ์šฉ์„ ํฌํ•จํ•˜์—ฌ ํ†ต๊ณ„ ๋ถ„์„์˜ ๋ฏธ๋ž˜์— ๋Œ€ํ•œ ๋ช‡ ๊ฐ€์ง€ ๋‹ค๋ฅธ ๊ณ„ํš์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋ชจ๋“  7 ๋Œ“๊ธ€

๊ด€๋ จ #995

@akenmorris : ํ˜„์žฌ Studio์—์„œ ์ฃผ์„ฑ๋ถ„ ๋ถ„์„์„ ์ˆ˜ํ–‰ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•˜๋Š” ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋Š” ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
@sheryjoe API์— ๋™์ผํ•œ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•ด์•ผ ํ•ฉ๋‹ˆ๊นŒ, ์•„๋‹ˆ๋ฉด sklearn๊ณผ ๊ฐ™์€ ํŒŒ์ด์ฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ PCA ๋ถ„์„์„ ์ˆ˜ํ–‰ํ•ด์•ผ ํ•ฉ๋‹ˆ๊นŒ?
ShapeCohortGenPackage / DataAugmentationsPackage ์˜ ๋™์ผํ•œ ์ œํ’ˆ๊ตฐ์„ ๋”ฐ๋ผ ํŒŒ์ด์ฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋ ค๋ฉด ํŒŒ์ด์ฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์—์„œ PCAPackage ์ž‘์—…์„ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Studio๋Š” ParticleShapeStatistics ํด๋ž˜์Šค๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

https://github.com/SCIInstitute/ShapeWorks/blob/master/Libs/Particles/ParticleShapeStatistics.h

์ผ๋ฐ˜์ ์œผ๋กœ ๋‘ ๊ฐ€์ง€ ๋ชจ๋‘์— ๋Œ€ํ•ด ๋‹จ์ผ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค. ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ๋„๊ตฌ ๊ฐ„์— ๊ฒฐ๊ณผ์™€ ๋™์ž‘์ด ์ผ๊ด€๋˜๊ฒŒ ์œ ์ง€๋ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ ๊ตฌํ˜„์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์€ ์šฐ๋ฆฌ๊ฐ€ ์‹œ๊ฐ„์ด ์ง€๋‚จ์— ๋”ฐ๋ผ ํ†ตํ•ฉํ•˜๋ ค๊ณ  ์‹œ๋„ํ–ˆ๋˜ ๋ถ„๋ฆฌ๋œ ๋„๊ตฌ ์ง‘ํ•ฉ์œผ๋กœ ํ•œ ๋‹จ๊ณ„ ํ›„ํ‡ดํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹๊นŒ ๊ฑฑ์ •๋ฉ๋‹ˆ๋‹ค.

์ฐธ๊ณ ๋กœ R ์‚ฌ์šฉ์„ ํฌํ•จํ•˜์—ฌ ํ†ต๊ณ„ ๋ถ„์„์˜ ๋ฏธ๋ž˜์— ๋Œ€ํ•œ ๋ช‡ ๊ฐ€์ง€ ๋‹ค๋ฅธ ๊ณ„ํš์ด ์žˆ์Šต๋‹ˆ๋‹ค.

ParticleShapeStatistics์˜ pybind ๋ž˜ํผ๋ฅผ ๋งŒ๋“ค ๊ณ„ํš์ž…๋‹ˆ๊นŒ?

ParticleShapeStatistics์˜ pybind ๋ž˜ํผ๋ฅผ ๋งŒ๋“ค ๊ณ„ํš์ž…๋‹ˆ๊นŒ?

์˜ˆ, shapeworks ํŒŒ์ด์ฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ ์ผ๋ถ€๋กœ.

830 #1172

์ด ๋ชจ๋“  ๊ธฐ๋Šฅ์ด ์ด๋ฏธ ์žˆ๋Š” Eigen::Matrix๋ฅผ ๋‚ด๋ณด๋‚ด๋Š” ๊ฒƒ๋งŒ์œผ๋กœ ์ด ๊ธฐ๋Šฅ์„ 1000๋ฐฐ ๋” ์‰ฝ๊ฒŒ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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