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-rw-r--r--openMV/POC_signs_red.py48
1 files changed, 48 insertions, 0 deletions
diff --git a/openMV/POC_signs_red.py b/openMV/POC_signs_red.py
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+++ b/openMV/POC_signs_red.py
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+# Hello World Example
+#
+# Welcome to the OpenMV IDE! Click on the green run arrow button below to run the script!
+
+import sensor, image, time
+
+# Color Tracking Thresholds (Grayscale Min, Grayscale Max)
+min_rgb = 128
+max_rgb = 255
+threshold_list = [(min_rgb, max_rgb)]# only bright grey colours will get tracked.
+threshold_rgb = [(0, 100, 75, 32, 2, 127)] #only find red
+#threshold_rgb = [(18, 78, -8, 127, 24, 127)]
+
+sensor.reset() # Reset and initialize the sensor.
+sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
+#sensor.set_pixformat(sensor.GRAYSCALE)
+sensor.set_framesize(sensor.QVGA) # Set frame size to QVGA (320x240)
+sensor.skip_frames(time = 2000) # Wait for settings take effect.
+clock = time.clock() # Create a clock object to track the FPS.
+
+while(True):
+ clock.tick() # Update the FPS clock.
+ img = sensor.snapshot() # Take a picture and return the image.
+
+ #lines = img.find_lines()
+ #for i in lines:
+ #img.draw_line(i.line(), 255, 8)
+
+ #gray = img
+ #gray.to_grayscale()
+ #img.find_edges(0)
+
+
+
+ blobs = img.find_blobs(threshold_rgb)
+ #blobs.count()
+ #print(blobs)
+ ##kpts = img.find_keypoints()
+ for index, b in enumerate(blobs, 1):
+ convex = b.convexity()
+ if convex < 0.8:
+ img.draw_rectangle(b.rect(),int((512+256)*convex),2)
+ print(b.convexity())
+
+ #img.draw_line(12,12,200,200,255,8)
+
+ print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected
+ # to the IDE. The FPS should increase once disconnected.