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David Engert 1 year ago
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src_folder/BackEnd/CameraDetection/CameraDetection.py View File

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import cv2
import numpy as np

# from Track import nothing
# # Farbwerte für die Erkennung (Beispiel: Rot, Grün, Blau)
colors = [(0, 0, 255), (0, 255, 0), (255, 0, 0)]
color_names = ["Rot", "Gruen", "Blau"]

# video cap


# Farbgrenzen für die Erkennung
lower_red = np.array([80, 160, 150])
upper_red = np.array([255, 255, 255])

lower_green = np.array([40, 50, 160])
upper_green = np.array([80, 255, 255])

lower_blue = np.array([95, 180, 90])
upper_blue = np.array([130, 255, 255])

CURRENT_SCORES= {'score_red': 0,
'score_green': 0,
'score_blue': 0
}

# Funktion zur Farberkennung
def erkennung_farben(img):
hsv_img = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
results = []

count_red = 0
count_green = 0
count_blue = 0

for i, color in enumerate(colors):
if i == 0:
lower = lower_red
upper = upper_red
elif i == 1:
lower = lower_green
upper = upper_green
elif i == 2:
lower = lower_blue
upper = upper_blue

mask = cv2.inRange(hsv_img, lower, upper)

# Farbfläche finden
contours, _ = cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
center = None
count = 0

for contour in contours:
if count < 3:
if cv2.contourArea(contour) > 100:
# Schwerpunkt der Kontur berechnen
M = cv2.moments(contour)
if M["m00"] > 0:
cX = int(M["m10"] / M["m00"])
cY = int(M["m01"] / M["m00"])
center = (cX, cY)
count += 1
# Rechteck zeichnen
x, y, w, h = cv2.boundingRect(contour)
cv2.rectangle(img, (x, y), (x + w, y + h), color, 2)
cv2.putText(img, color_names[i], (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.9, color, 2)

# Farbanzahl erhöhen
if i == 0:
count_red += 1
elif i == 1:
count_green += 1
elif i == 2:
count_blue += 1



results.append(center)

return img, results, count_red, count_green, count_blue

# Funktion zur Positionsermittlung
def ermittle_position(results, img_width):
positions = []

# pos_to_num = {"Rechts": 3,
# "Mitte": 2,
# "Links": 1,
# "Nicht gefunden": 0}

for result in results:
if result is None:
position = 0
else:
x = result[0]
if x < img_width / 3:
position = 3
elif x < 2 * img_width / 3:
position = 2
else:
position = 1

positions.append(position)
return positions

# def count_colors(my_game: Game, red: int, green: int, blue: int) -> None:
# currrent_scores = {'score_red': red,
# 'score_green': green,
# 'score_blue': blue
# }
# my_game.set_scoreboard(currrent_scores)

def main():
# Videoquelle öffnen (kann auch eine Bilddatei sein)
video = cv2.VideoCapture(0) # Hier "0" für die Kamera verwenden
while True:

ret, frame = video.read(0)

# Fehlerbehandlung, wenn kein Bild gelesen werden kann
if not ret:
break
# Farben erkennen
farben_img, ergebnisse, count_red, count_green, count_blue = erkennung_farben(frame)

# Add counted colours to the scoreboard in the correct field
# count_colors(count_red, count_green, count_blue)

# Anzahl der Farben anzeigen
# cv2.putText(farben_img, f"Rot: {count_red}", (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 1, colors[0], 2)
# cv2.putText(farben_img, f"Gruen: {count_green}", (10, 60), cv2.FONT_HERSHEY_SIMPLEX, 1, colors[1], 2)
# cv2.putText(farben_img, f"Blau: {count_blue}", (10, 90), cv2.FONT_HERSHEY_SIMPLEX, 1, colors[2], 2)

# Positionen ermitteln
img_width = frame.shape[1]
positionen = ermittle_position(ergebnisse, img_width)

# Positionen anzeigen
for i, position in enumerate(positionen):
cv2.putText(farben_img, f"{color_names[i]}: {position}", (10, 150 + 30 * i),
cv2.FONT_HERSHEY_SIMPLEX, 1, colors[i], 2)

# Linien zeichnen
cv2.line(farben_img, (img_width // 3, 0), (img_width // 3, frame.shape[0]), (0, 0, 0), 2)
cv2.line(farben_img, (2 * img_width // 3, 0), (2 * img_width // 3, frame.shape[0]), (0, 0, 0), 2)

# Bild anzeigen
cv2.imshow("Farberkennung", farben_img)

# Auf "q" drücken, um die Schleife zu beenden
if cv2.waitKey(1) & 0xFF == ord('q'):
break

# Videoquelle und Fenster schließen
video.release()
cv2.destroyAllWindows()


if __name__ == "__main__":
main()

BIN
src_folder/Game_Images/current_score.png View File


BIN
src_folder/Presentation/Interaktion Praktikum Präsentation.pptx View File


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