#!/usr/bin/env python import numpy as np import cv2 from rstem import led_matrix ANGLE_FACTOR = 1 GRID_SIZE = 6 IMAGE_SIZE = ANGLE_FACTOR*8*GRID_SIZE cap = cv2.VideoCapture(0) cap.set(3, IMAGE_SIZE) #width cap.set(4, IMAGE_SIZE) #height cap.set(11, 1) led_matrix.init_grid(GRID_SIZE, GRID_SIZE) offset = int(round( (IMAGE_SIZE-(8*GRID_SIZE))/2 )) try: while True: ret, img = cap.read() img = cv2.flip(img, 0) new_img = img[offset:offset+8*GRID_SIZE,offset:offset+8*GRID_SIZE] grey = cv2.cvtColor(new_img, cv2.COLOR_BGR2GRAY) canny = cv2.Canny(grey, 100, 200) led_matrix.frame(canny) led_matrix.show() except KeyboardInterrupt: pass finally: led_matrix.cleanup() cap.release()
#!/usr/bin/env python
import numpy as np
import cv2
from rstem import led_matrix
ANGLE_FACTOR = 1
GRID_SIZE = 6
IMAGE_SIZE = ANGLE_FACTOR * 8 * GRID_SIZE
cap = cv2.VideoCapture(0)
cap.set(3, IMAGE_SIZE) #width
cap.set(4, IMAGE_SIZE) #height
cap.set(11, 1)
led_matrix.init_grid(GRID_SIZE, GRID_SIZE)
offset = int(round((IMAGE_SIZE - (8 * GRID_SIZE)) / 2))
try:
while True:
ret, img = cap.read()
img = cv2.flip(img, 0)
new_img = img[offset:offset + 8 * GRID_SIZE,
offset:offset + 8 * GRID_SIZE]
grey = cv2.cvtColor(new_img, cv2.COLOR_BGR2GRAY)
canny = cv2.Canny(grey, 100, 200)
led_matrix.frame(canny)
led_matrix.show()
except KeyboardInterrupt:
pass
finally:
led_matrix.cleanup()
cap.release()
#!/usr/bin/env python import numpy as np import cv2 import time from rstem import led_matrix ANGLE_FACTOR = 1 GRID_SIZE = 6 IMAGE_SIZE = ANGLE_FACTOR*8*GRID_SIZE cap = cv2.VideoCapture(-1) cap.set(3, IMAGE_SIZE) #width cap.set(4, IMAGE_SIZE) #height cap.set(11, 1) led_matrix.init_grid(GRID_SIZE, GRID_SIZE) offset = int(round( (IMAGE_SIZE-(8*GRID_SIZE))/2 )) try: while True: led_matrix.fill(0) ret, img = cap.read() img = cv2.flip(img, 0) new_img = img[offset:offset+8*GRID_SIZE,offset:offset+8*GRID_SIZE] grey = cv2.cvtColor(new_img, cv2.COLOR_BGR2GRAY) thresh = cv2.adaptiveThreshold(grey, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY, 3, 3) led_matrix.frame(thresh) led_matrix.show() except KeyboardInterrupt: pass finally: cap.release() led_matrix.cleanup()
#!/usr/bin/env python import numpy as np import cv2 from rstem import led_matrix ANGLE_FACTOR = 1 GRID_SIZE = 6 IMAGE_SIZE = 8*GRID_SIZE*ANGLE_FACTOR cap = cv2.VideoCapture(0) cap.set(3, IMAGE_SIZE) #width cap.set(4, IMAGE_SIZE) #height cap.set(11, 1) #max contrast led_matrix.init_grid(GRID_SIZE, GRID_SIZE) offset = int(round( (IMAGE_SIZE-(8*GRID_SIZE))/2 )) try: while True: led_matrix.fill(0) ret, img = cap.read() img = cv2.flip(img, 0) new_img = img[offset:offset+8*GRID_SIZE,offset:offset+8*GRID_SIZE] grey = cv2.cvtColor(new_img, cv2.COLOR_BGR2GRAY) grey = np.round(np.divide(grey, 16)) led_matrix.frame(grey) led_matrix.show() except KeyboardInterrupt: pass finally: cap.release() led_matrix.cleanup()
