diff options
| author | UnavailableDev <69792062+UnavailableDev@users.noreply.github.com> | 2023-05-15 13:56:58 +0200 | 
|---|---|---|
| committer | UnavailableDev <69792062+UnavailableDev@users.noreply.github.com> | 2023-05-15 13:56:58 +0200 | 
| commit | 76df689d48df0b5056769b9c8ca968ac4a0eb261 (patch) | |
| tree | 422339221bc763594c913d9ead5f29a90c9d1efe | |
| parent | 7a18524a8b97deaafcd93be14e56ce308fe4583c (diff) | |
optimization, reduced false positive blobs in final list
| -rw-r--r-- | openMV/POC_signs_red.py | 55 | 
1 files changed, 40 insertions, 15 deletions
diff --git a/openMV/POC_signs_red.py b/openMV/POC_signs_red.py index cb521b9..3279467 100644 --- a/openMV/POC_signs_red.py +++ b/openMV/POC_signs_red.py @@ -22,27 +22,52 @@ 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) +    ThR = 0 +    ThG = 255 +    ThB = 128 +    threshold_r = [(ThR,255,0,255,255,ThG)] -    #gray = img -    #gray.to_grayscale() -    #img.find_edges(0) +    #Red +    #if(R >= ThR and G <= thG) +    #Blue +    #if(B >= thB) -    blobs = img.find_blobs(threshold_rgb) +    blobs_r = img.find_blobs([(0, 100, 25, 63, -128, 127)]) +    blobs_b = img.find_blobs([(0, 29, 11, -128, -31, -5)])      #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(f"old: { len(blobs_r) + len(blobs_b) }") -    print(clock.fps())              # Note: OpenMV Cam runs about half as fast when connected -                                    # to the IDE. The FPS should increase once disconnected. +    blobs_r[:] = [b for b in blobs_r if (b.convexity() < 0.7 and b.area() > 64)] +    blobs_b[:] = [b for b in blobs_b if (b.convexity() < 0.7 and b.area() > 64)] + +    print(f"new: { len(blobs_r) + len(blobs_b) }") + +    #for index, b in enumerate(blobs_r): +        #convex = b.convexity() +        #roundn = b.roundness() +        #if convex < 0.8: +            #img.draw_rectangle(b.rect(),[255,int((256)*roundn),0],2) +            #print(index) +        #else: +            #del blobs_r[index] +            #img.draw_rectangle(b.rect(),[128,128,128],4) + +    for index, b in enumerate(blobs_r): +        roundn = b.roundness() +        img.draw_rectangle(b.rect(),[255,int((256)*roundn),0],2) +        #print(index) + +    for index, b in enumerate(blobs_b): +        roundn = b.roundness() +        img.draw_rectangle(b.rect(),[0,int((256)*roundn),255],2) + + +    # Note: OpenMV Cam runs about half as fast when connected +    # to the IDE. The FPS should increase once disconnected. + +    print("EOC")  |