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๋”ฅ๋Ÿฌ๋‹๐Ÿค–

haarcascade ๋ฅผ ์ด์šฉํ•˜์—ฌ ์‹ค์‹œ๊ฐ„ ์–ผ๊ตด ์ธ์‹ ์‹คํ–‰์‹œ์ผœ๋ณด๊ธฐ

by @ENFJ 2022. 4. 2.

๊ฐ์ฒด ๊ฒ€์ถœ ๋ชจ๋ธ์ค‘ Yolo ์— ์ด์–ด haarcascade ์— ๋Œ€ํ•ด ์‚ดํŽด๋ณด์•˜๋‹ค.

 


  1. $ git clone https://github.com/opencv/opencv.git   
    <๋ฐ”ํƒ•ํ™”๋ฉด์— ์šฐ์ธก ํด๋ฆญํ•˜์—ฌ  ' Git Bash Here ' 

 

๊ทธ๋ฆฌ๊ณ  ๋‚˜๋ฉด, ๋ฐ”ํƒ•ํ™”๋ฉด(ํ•ด๋‹น ์œ„์น˜) ์— opencv ํด๋” ํ•˜๋‚˜๊ฐ€ ์ƒ์„ฑ๋˜์–ด ์žˆ์Œ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

 

๊ทธ ํด๋”๋ฅผ vsc(ํ•„์ž ๊ธฐ์ค€) ๋กœ ์—ด์–ด์ค€๋‹ค.

 

๊ทธํ›„์— ์•„๋ž˜ ์‚ฌ์ง„๊ณผ ๊ฐ™์ด opencv/data/haarcascades/ ์— 'camera.py' ํŒŒ์ผ์„ ์ƒ์„ฑํ•ด์คŒ [ํŒŒ์ผ ์ด๋ฆ„์€ ๋ง˜๋Œ€๋กœ~]

 

 

๊ทธ๋ฆฌ๊ณ  camera.py ํŒŒ์ผ ์•ˆ์— ์•„๋ž˜ ์†Œ์Šค๋ฅผ ๋ณต๋ถ™ํ•ด์ค€๋‹ค.

# simpleCamTest.py
import numpy as np
import cv2

faceCascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
eyeCascade = cv2.CascadeClassifier('haarcascade_eye.xml')

def detect(gray,frame):
    faces = faceCascade.detectMultiScale(gray, scaleFactor=1.05, minNeighbors=5,minSize=(100,100),flags=cv2.CASCADE_SCALE_IMAGE)
    
    for(x,y,w,h) in faces:
        cv2.rectangle(frame,(x,y),(x+w,y+h),(255,0,0),2)
        
        face_gray=gray[y:y+h,x:x+w]
        face_color=frame[y:y+h,x:x+w]
        
        eyes=eyeCascade.detectMultiScale(face_gray,1.1,3)
        
        for(ex, ey,ew,eh) in eyes:
            cv2.rectangle(face_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2)
            
    return frame


video_capture = cv2.VideoCapture(0)

while(True):
    _, frame =video_capture.read()
    #frame = cv2.flip(frame,-1)
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

    canvas=detect(gray,frame)
    
    cv2.imshow('canvas',canvas)

    if cv2.waitKey(30) == 27: #esc
        break
video_capture.release()
cv2.destroyAllWindows()

๊ทธ๋ฆฌ๊ณ  ๋งˆ์ง€๋ง‰์œผ๋กœ ctrl+shift+`(ํ‹ธ๋‹ค ์ž„) ๋ฅผ ๋™์‹œ์— ๋ˆŒ๋Ÿฌ ํ„ฐ๋ฏธ๋„์„ ์—ด์–ด์ค€๋‹ค.

 

๊ทธ๋ฆฌ๊ณ  cd data/haarcascades ๋ฅผ ์ž…๋ ฅํ›„ ์—”ํ„ฐ ์น˜๋ฉด, ์•„๋ž˜ ์‚ฌ์ง„ ์ฒ˜๋Ÿผ ๊ฒฝ๋กœ๊ฐ€ ์„ค์ •๋จ์„ ํ™•์ธ ํ•  ์ˆ˜ ์žˆ๋‹ค.

 

๋งˆ์ง€๋ง‰์œผ๋กœ python camera.py ๋ฅผ ๋ช…๋ น์–ด์— ์ž…๋ ฅํ›„ ์—”ํ„ฐํ•˜๋ฉด, ์‹คํ–‰์ด ๋œ๋‹ค.

 


์ฐธ๊ณ  ์‚ฌ์ดํŠธ (์ถ”๊ฐ€์ ์ธ ์ฝ”๋“œ์— ๋Œ€ํ•œ ์„ค๋ช…์ด ํ•„์š”ํ•˜์‹ ๋ถ„์€ ์•„๋ž˜ ์‚ฌ์ดํŠธ ์ฐธ๊ณ )

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