def loadFile(self, filepath, nFrames, pyramid=0):
'''This function should load frames of a video with a regular file
expression to read filenames. The number of frames is known beforehand
to ease computing.'''
# Update variables based on input
self.pyramid = pyramid
self.nFrames = nFrames
self.filepath = filepath
# Separate name from extension
path = filepath.split('.')
extension = '.' + path[-1]
path = "".join(path[:-1]) + '-'
# For each frame that will be processed, we will load a single file
for i in np.arange(1, nFrames+1):
print "DEBUG: Loading frame", i
# Load each frame
frame = PyImage()
frame.loadFile(path+str(i)+extension)
frame.img = frame.img.convert("RGB")
frame.updatePixels()
# Compute its grayscale counterpart
grayscaleFrame = frame.copy()
grayscaleFrame.img = grayscaleFrame.img.convert("L")
grayscaleFrame.updatePixels()
# Append frames to lists
self.frames.append(frame)
self.grayscaleFrames.append(grayscaleFrame)
# If pyramids will be used, start a pyramid for every grayscale
# frame to be used later on
if pyramid:
print "DEBUG: Computing pyramids for frame", i
framePyramid = GaussPyramid(pyramid)
framePyramid.loadImage(grayscaleFrame.img)
framePyramid.reduceMax()
self.pyramids.append(framePyramid)
def loadFile(self, filepath, nFrames, pyramid=0):
'''This function should load frames of a video with a regular file
expression to read filenames. The number of frames is known beforehand
to ease computing.'''
# Update variables based on input
self.pyramid = pyramid
self.nFrames = nFrames
self.filepath = filepath
# Separate name from extension
path = filepath.split('.')
extension = '.' + path[-1]
path = "".join(path[:-1]) + '-'
# For each frame that will be processed, we will load a single file
for i in np.arange(1, nFrames + 1):
print "DEBUG: Loading frame", i
# Load each frame
frame = PyImage()
frame.loadFile(path + str(i) + extension)
frame.img = frame.img.convert("RGB")
frame.updatePixels()
# Compute its grayscale counterpart
grayscaleFrame = frame.copy()
grayscaleFrame.img = grayscaleFrame.img.convert("L")
grayscaleFrame.updatePixels()
# Append frames to lists
self.frames.append(frame)
self.grayscaleFrames.append(grayscaleFrame)
# If pyramids will be used, start a pyramid for every grayscale
# frame to be used later on
if pyramid:
print "DEBUG: Computing pyramids for frame", i
framePyramid = GaussPyramid(pyramid)
framePyramid.loadImage(grayscaleFrame.img)
framePyramid.reduceMax()
self.pyramids.append(framePyramid)
