def menuActionMatch(self):
# get parameters
popup = DialogMatch(self.window)
popup.exec_()
if not popup.path:
return
# read file at popup.path
target = cv2.imread(popup.path, 0)
if target is None:
print("Could not open file or file is not an image.")
return
# copy current state
old = self.history[self.historyIndex]
matrix = old['matrix'].copy()
histogram = deepcopy(old['histogram']['plots'][0])
# apply histogram matching
histogram1 = Histogram.hist(target)
matrix = Transform.match(matrix, histogram, histogram1)
# compute histogram
histogram = {
'plots': [Histogram.hist(matrix), histogram1],
'legend': ["New", "Target"]
}
# add new state
self.appendHistory({
'matrix': matrix,
'histogram': histogram,
'saved': False
})
self.updateImage(matrix)
hist = [old['histogram']['plots'][0]] + histogram['plots']
legend = ["Old"] + histogram['legend']
self.windowHist.setHistogram(hist, legend)
