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2022. 7. 2. 15:21

[OpenCV] ์›ํ•˜๋Š” ์ด๋ฏธ์ง€ ์˜์—ญ(๊ด€์‹ฌ์˜์—ญ, ROI) ์ž๋ฅด๊ธฐ(Crop)

๋ธ”๋กœ๊ทธ ๊ธ€์„ ์“ฐ๋‹ค๋ณด๋ฉด ํŠน์ • ์˜์—ญ๋งŒ์„ ์ž˜๋ผ์„œ ์ €์žฅํ•˜๊ณ  ์‹ถ์„ ๋•Œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์œˆ๋„๋ฅผ ์‚ฌ์šฉํ•˜๋‹ค๋ณด๋ฉด ์œˆ๋„์—์„œ ์ œ๊ณตํ•˜๋Š” Windows ์‚ฌ์ง„ ๋ทฐ์–ด ๋“ฑ์˜ ํ”„๋กœ๊ทธ๋žจ์„ ์ด์šฉํ•ด ์›ํ•˜๋Š” ์ด๋ฏธ์ง€์˜ ์˜์—ญ์„ ์ž๋ฅผ ์ˆ˜ ์žˆ๋Š”๋ฐ, Mac OS X๋‚˜ Ubuntu์— ์žˆ๋‹ค๋ณด๋ฉด ๊ธฐ๋ณธ ํ”„๋กœ๊ทธ๋žจ์œผ๋กœ ์ด๋Ÿฐ ๊ฒƒ๋“ค์„ ์ œ๊ณตํ•˜์ง€ ์•Š๋‹ค๋ณด๋‹ˆ ์“ธ ํ”„๋กœ๊ทธ๋žจ์„ ์ฐพ๊ฒŒ ๋˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žฆ์•˜๋Š”๋ฐ์š”. ์ด๋ ‡๊ฒŒ ์›ํ•˜๋Š” ์ด๋ฏธ์ง€๋ฅผ ๋ถˆ๋Ÿฌ์™€์„œ ๊ฐ„๋‹จํ•˜๊ฒŒ ์›ํ•˜๋Š” ์˜์—ญ์„ ์ž๋ฅผ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ํ•œ ๋ฒˆ ๋งŒ๋“ค์–ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. MouseEvent OpenCV์—์„œ MouseEvent๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ฝœ๋ฐฑ ํ•จ์ˆ˜๋ฅผ ๊ตฌํ˜„ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ฝœ๋ฐฑ ํ•จ์ˆ˜์— ๋Œ€ํ•ด ์ž˜ ๋ชจ๋ฅด์‹œ๊ฒ ๋‹ค๋ฉด ์•„๋ž˜์˜ ๊ธ€์„ ์ฐธ๊ณ ํ•ด๋ณด์„ธ์š”. 2016.12.18 - [Programming/OpenCV] - OpenCV์—์„œ Mouse Even..

2022. 7. 2. 14:02

[OpenCV] C++์™€ OpenCV 4.x๋กœ ๊ฐœ๋ฐœํ•  ์ˆ˜ ์žˆ๋Š” ํ™˜๊ฒฝ ๋งŒ๋“ค๊ธฐ

๊ฐ„๋งŒ์— OpenCV ๊ธ€์„ ์ž‘์„ฑํ•˜๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์š” ๋ช‡๋…„ ๋ฐฑ์—”๋“œ ์—”์ง€๋‹ˆ์–ด๋ง ๊ณต๋ถ€๋ฅผ ํ•˜๊ฒŒ ๋˜๋ฉด์„œ ์žฅ๋‚œ๊ฐ์ฒ˜๋Ÿผ ์—ฌ๊ฒจ์˜ค๋˜ OpenCV ๊ธ€์„ ๋‹ค์‹œ ์“ฐ๊ฒŒ ๋˜์—ˆ๋Š”๋ฐ์š”. ์•ˆ ๋ณธ ์‚ฌ์ด์— ๋ฒŒ์จ OpenCV 4.6 Pre-release๋กœ OpenCV 5.x ๋ฒ„์ „๊นŒ์ง€ ์˜ฌ๋ผ์˜จ ๊ฒƒ์„ ๋ณด๊ณ  ์ •๋ง ์‹œ๊ฐ„์ด ๋นจ๋ฆฌ ํ˜๋Ÿฌ๊ฐ€๊ณ  ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์ƒˆ์‚ผ ๋Š๊ผˆ์Šต๋‹ˆ๋‹ค. ๋งŒ๋“ค ํ™˜๊ฒฝ ์˜ค๋Š˜์€ ์•„๋ž˜์˜ 3๊ฐ€์ง€ ๋„๊ตฌ๋ฅผ ์‚ฌ์šฉํ•ด์„œ OpenCV ๊ฐœ๋ฐœ ํ™˜๊ฒฝ์„ ๋งŒ๋“ค์–ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. JetBrains CLion / CMake OpenCV 4.6 Ubuntu Linux 20.04 ์‚ฌ์‹ค OpenCV๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ํ™˜๊ฒฝ์€ C++ ์™ธ์—๋„ Python์ด ์žˆ๋Š”๋ฐ์š”. ๋”ฅ๋Ÿฌ๋‹์ด๋‚˜ ๋จธ์‹ ๋Ÿฌ๋‹์„ ์ฃผ๋กœ ํ•˜์‹œ๋Š” ๋ถ„๋“ค์€ Python์„ ์ด์šฉํ•  ๊ฒƒ์ด๊ณ , ๊ทธ ์™ธ IoT๋‚˜ ์นด๋ฉ”๋ผ ๋“ฑ ํ•˜๋“œ์›จ์–ด๋ฅผ ์ฃผ๋กœ ..

2017. 3. 1. 12:58

[GP] OpenCV Trackbar ์ฃผ๋ฌด๋ฅด๊ธฐ

์ด ๊ธ€์€ ์ €์˜ Github Page์˜ ๋‚ด์šฉ ์ค‘ ์ผ๋ถ€๋ฅผ ๋‹ด์•„์˜จ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์•ˆ๋…•ํ•˜์„ธ์š”. ์ƒˆ๋กœ์šด ๋ธ”๋กœ๊ทธ์— ์ €๋„ ๋ชจ๋ฅด๊ฒŒ ์ƒ์พŒํ•œ ๊ธฐ๋ถ„์ด๊ตฐ์š”. ์˜ค๋Š˜์€ Tistory ๋ธ”๋กœ๊ทธ์— ์ด์–ด์„œ, ๊ณ„์† OpenCV ์ฝ”๋“œ ์นดํ…Œ๊ณ ๋ฆฌ ๊ธ€ ์ž‘์„ฑ์„ ๊ณ„์†ํ•˜๋ ค ํ•ฉ๋‹ˆ๋‹ค. TrackbarOpenCV์—๋Š” Trackbar๋ผ๋Š” ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. (์‚ฌ์‹ค ์ปดํฌ๋„ŒํŠธ๋ผ๊ณ  ํ•˜๊ธฐ์—๋Š” ์กฐ๊ธˆ ํ ์ด ์žˆ์ง€๋งŒโ€ฆ) ์—ฌ๋Ÿฌ๋ถ„์ด ์›ํ•˜๋Š” ์˜์ƒ์„ ๋งˆ์šฐ์Šค์˜ ๋“œ๋ž˜๊ทธ๋งŒ์œผ๋กœ ํ˜•์ƒ์„ ๋ณ€ํ™”์‹œํ‚ฌ ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ๊ฒƒ์ด์ง€์š”. ๋ง์”€๋งŒ์œผ๋กœ๋Š” ์„ค๋ช…์ด ์–ด๋ ต๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ„๋‹จํ•œ ์˜ˆ์‹œ๋ฅผ ๋ณด๋ฉฐ ์„ค๋ช…์„ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค. ์œ„ ์‚ฌ์ง„์€ Trackbar๋ฅผ ์›€์ง์—ฌ์„œ ๊ฐ€์šด๋ฐ์— ์›์„ ๊ทธ๋ ค๋†“๊ณ  ๊ทธ ํฌ๊ธฐ๋ฅผ ์ ์  ๋Š˜๋ฆฌ๊ณ  ์ค„์ด๊ณ  ํ•  ์ˆ˜ ์žˆ๋Š” ์ด๋ฏธ์ง€์ž…๋‹ˆ๋‹ค. ๊ฐ„๋‹จํ•œ ์†Œ์Šค ์ฝ”๋“œ๋ฅผ ๊ณต๊ฐœํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ์ด์–ด์„œ ์ฝ์œผ์‹œ๋ ค๋ฉด ์•„๋ž˜์˜ ๋ฒ„ํŠผ์„..

2017. 1. 21. 14:27

OpenCV์—์„œ KeyEvent๋ฅผ ์‚ฌ์šฉํ•ด๋ณด์ž.

OpenCV 3๋ฒˆ์งธ ํฌ์ŠคํŠธ์ž…๋‹ˆ๋‹ค. OpenCV ํฌ์ŠคํŠธ๋ฅผ ์•ˆ์“ด์ง€๋„ ๊ฝค ์˜ค๋ž˜๋˜์—ˆ๋„ค์š”. ^^; ์ด๋ฒˆ ํฌ์ŠคํŠธ์—์„œ๋Š” ์˜์ƒ์— KeyEvent๋ฅผ ๋„ฃ์–ด ํšจ๊ณผ๋ฅผ ์ถ”๊ฐ€ํ•˜๊ฑฐ๋‚˜ ์ด๋ฒคํŠธ๋ฅผ ๋„ฃ์–ด๋ณด๋Š” ์‹ค์Šต์„ ํ•œ ๋ฒˆ ํ•ด๋ณด๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. waitKey ํ•จ์ˆ˜์ง€๋‚œ ํฌ์ŠคํŠธ๋„, ์ฒ˜์Œ์— ํ–ˆ๋˜ ํฌ์ŠคํŠธ์—์„œ๋„, ์˜์ƒ์„ ๋„์šฐ๊ณ , ์‚ฌ์šฉ์ž์˜ ์ž…๋ ฅ์„ ๊ธฐ๋‹ค๋ฆฌ๊ธฐ ์œ„ํ•ด, ์šฐ๋ฆฌ๋Š” ์—ฌํƒœ๊นŒ์ง€ waitKey ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค. ์•„๋งˆ ์กฐ๊ธˆ ๋ˆˆ์น˜๊ฐ€ ์žˆ์œผ์‹  ๋ถ„๋“ค์ด๋ผ๋ฉด, ์˜์ƒ์— ํ‚ค๋ณด๋“œ ์ด๋ฒคํŠธ๋ฅผ ์ค„ ๋•Œ๋„ ์ด ํ•จ์ˆ˜๋ฅผ ๋ชจํƒœ๋กœ ๋‚˜๊ฐˆ ๊ฒƒ์ด๋ผ๋Š” ์˜ˆ์ธก์„ ํ•˜์ง€ ์•Š์•˜์„๊นŒ ์ƒ๊ฐํ•ด๋ณด๋Š”๋ฐ์š”. ๋งž์Šต๋‹ˆ๋‹ค. waitKey ํ•จ์ˆ˜์—๋Š” ์ธ์ž๊ฐ’์œผ๋กœ int ํ˜•ํƒœ์˜ ๊ฐ’์„ ๋„ฃ๊ณ , ๊ทธ ๊ฐ’์„ ๋‹ค์‹œ int ํ˜•์œผ๋กœ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ ‡๋‹ค๋ฉด ์ธ์ž๋กœ ์ฃผ๋Š” int ํ˜• ๊ฐ’์€ ๋ฌด์—‡์ด๊ณ , ์–ด๋–ค ๊ฐ’์„ ๋˜๋Œ๋ ค ๋ฐ›๋Š” ๊ฒƒ์ผ๊นŒ์š”? int wa..

2016. 11. 6. 19:43

Ubuntu 16.04 ์—์„œ OpenCV 3.x ์„ค์น˜

OpenCV ์„ค์น˜์— ๋“ค์–ด๊ฐ€๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. OpenCV๋Š” OS X, Linux, Windows, Android, iOS ์–ด๋””์„œ๋“ ์ง€ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ์ผ๋ฐ˜์ ์œผ๋กœ ์„ค์น˜ํ•˜๊ธฐ๊ฐ€ ์ข€ ๊นŒ๋‹ค๋กœ์šด Linux์—์„œ ์„ค์น˜ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ํฌ์ŠคํŒ…ํ•ด๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ์„ค์น˜๋ฅผ ์œ„ํ•œ ์ค€๋น„.. Linux์—์„œ OpenCV๋ฅผ ์„ค์น˜ํ•  ๋•Œ๋Š” ์ผ๋ฐ˜ ํ”„๋กœ๊ทธ๋žจ ์„ค์น˜์™€ ๋‹ฌ๋ฆฌ ๋ฏธ๋ฆฌ ์ค€๋น„๋œ ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ๋กœ ์„ค์น˜ํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹Œ ์†Œ์Šค ์ฝ”๋“œ๋ฅผ ์ง์ ‘ ๋ฐ›์•„์„œ ์ปดํŒŒ์ผํ•˜์—ฌ ์„ค์น˜ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์„ค์น˜๋ฅผ ์œ„ํ•ด OpenCV ์†Œ์Šค ์ฝ”๋“œ์™€ ์ปดํŒŒ์ผ ๋„๊ตฌ๋ฅผ ์ค€๋น„ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. - OpenCV Source Code- build-essential, CMake, GCC- NVIDIA CUDA (Optional) ํ˜น์‹œ ์ž์‹ ์˜ ๋…ธํŠธ๋ถ์ด๋‚˜ PC์— NVIDIA ๊ทธ๋ž˜ํ”ฝ์„ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋‹ค๋ฉด,..

Neon K.I.D

E-mail: contact@neonkid.xyz

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