diff --git a/scripts/examples/04-Image-Filters/ulab.py b/scripts/examples/04-Image-Filters/ulab.py new file mode 100644 index 000000000..3260854e3 --- /dev/null +++ b/scripts/examples/04-Image-Filters/ulab.py @@ -0,0 +1,17 @@ +# Ulab is a numpy-like module for micropython, meant to simplify and speed up common +# mathematical operations on arrays. This basic example shows mean/std on an image. +# +# NOTE: ndarrays cause the heap to be fragmented easily. If you run out of memory, +# there's not much that can be done about it, lowering the resolution might help. + +import sensor, image, time, ulab as np + +sensor.reset() # Reset and initialize the sensor. +sensor.set_pixformat(sensor.GRAYSCALE) # Set pixel format to RGB565 (or GRAYSCALE) +sensor.set_framesize(sensor.QQVGA) # Set frame size to QVGA (320x240) +clock = time.clock() # Create a clock object to track the FPS. + +while (True): + img = sensor.snapshot() # Take a picture and return the image. + a = np.array(img, dtype=np.uint8) + print("mean: %d std:%d"%(np.mean(a), np.std(a)))