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38 lines
1.5 KiB
38 lines
1.5 KiB
import cv2
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import mediapipe as mp
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class GestureDetector():
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def __init__(self, mode=False, maxHands=2, detectionCon=0.5, trackCon=0.5):
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self.mode = mode
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self.maxHands = maxHands
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self.detectionCon = detectionCon
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self.trackCon = trackCon
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self.mpHands = mp.solutions.hands
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self.hands = self.mpHands.Hands(static_image_mode=self.mode,
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max_num_hands=self.maxHands,
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min_detection_confidence=self.detectionCon,
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min_tracking_confidence=self.trackCon)
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self.mpDraw = mp.solutions.drawing_utils
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def findHands(self, img, draw=True):
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imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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self.x,self.y,c=img.shape
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self.results = self.hands.process(imgRGB)
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if self.results.multi_hand_landmarks:
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for handLms in self.results.multi_hand_landmarks:
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if draw:
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self.mpDraw.draw_landmarks(imgRGB, handLms, self.mpHands.HAND_CONNECTIONS)
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return imgRGB
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def findPosition(self, img, handNo=0):
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lmList = []
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if self.results.multi_hand_landmarks:
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myHand = self.results.multi_hand_landmarks[handNo]
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for id, lm in enumerate(myHand.landmark):
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h, w, c = img.shape
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cx, cy = int(lm.x * w), int(lm.y * h)
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lmList.append([id, cx, cy])
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return lmList
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