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python Programming Glossary: numpy.uint8

Representing and solving a maze given an image

http://stackoverflow.com/questions/12995434/representing-and-solving-a-maze-given-an-image

ensure the file is RGB image2d numpy.vstack itertools.imap numpy.uint8 pixels start end 402 985 398 27 print bfs start end image2d..

How to update image in tkinter label?

http://stackoverflow.com/questions/14291434/how-to-update-image-in-tkinter-label

callback def onNeg self I2 255 self.I im Image.fromarray numpy.uint8 I2 photo2 ImageTk.PhotoImage im self.label2 Label self.parent..

PySide: Separating a spritesheet / Separating an image into contiguous regions of color

http://stackoverflow.com/questions/14432021/pyside-separating-a-spritesheet-separating-an-image-into-contiguous-regions-o

'sprite_ d.png' im img.load m numpy.array mask dtype numpy.uint8 if join_interior m morphology.binary_fill_holes m lbl ncc label..

How to make a checkerboard in numpy?

http://stackoverflow.com/questions/2169478/how-to-make-a-checkerboard-in-numpy

of each checker square self.pix numpy.zeros w h 3 dtype numpy.uint8 # Make a checkerboard row 0x99 0x99 0x99 0xAA 0xAA 0xAA i sq..

How do I pass large numpy arrays between python subprocesses without saving to disk?

http://stackoverflow.com/questions/5033799/how-do-i-pass-large-numpy-arrays-between-python-subprocesses-without-saving-to-d

get data from hardware. data numpy.zeros 1000000 dtype numpy.uint8 data.dump 'data.pkl' sys.stdout.write 'data.pkl' ' n' sys.stdout.flush.. get data from hardware. data numpy.zeros 1000000 dtype numpy.uint8 ##Note that this is NFG if there's a '10' in the array sys.stdout.write.. n' a numpy.fromstring proc.stdout.readline .rstrip dtype numpy.uint8 print a.shape proc.stdin.write 'done n' This is extremely slow..

Numpy: Joining structured arrays?

http://stackoverflow.com/questions/5355744/numpy-joining-structured-arrays

that should be faster. It converts everything to arrays of numpy.uint8 and does not use any temporaries. def join_struct_arrays arrays.. n len arrays 0 joint numpy.empty n offsets 1 dtype numpy.uint8 for a size offset in zip arrays sizes offsets joint offset offset.. zip arrays sizes offsets joint offset offset size a.view numpy.uint8 .reshape n size dtype sum a.dtype.descr for a in arrays return..

Scipy interpolation how to resize/resample 3x3 matrix to 5x5?

http://stackoverflow.com/questions/5586719/scipy-interpolation-how-to-resize-resample-3x3-matrix-to-5x5

outKSize 5 kernelOut numpy.zeros outKSize outKSize numpy.uint8 x numpy.array 0 1 2 y numpy.array 0 1 2 z kernelIn xx numpy.linspace.. len kernelIn outKSize 5 kernelOut numpy.zeros outKSize numpy.uint8 x numpy.array 0 1 2 y numpy.array 0 1 2 z kernelIn xx numpy.linspace..

How to hash a large object (dataset) in Python?

http://stackoverflow.com/questions/806151/how-to-hash-a-large-object-dataset-in-python

hashlib import numpy a numpy.random.rand 10 100 b a.view numpy.uint8 print a.dtype b.dtype # a and b have a different data type float64..