def __init__(self, image, threshold=1):
self.__threshold = threshold
self.__image = image
grayscale = imgtools.ndarray_to_grayscale(image)
self.__grayscale = imgtools.ndarray_normalize_image(grayscale)
self.__features = []
self.__traces = []
self.__responses = []
self.__descriptors = []
self.__integral_image = None
def to_grayscale(self):
selected_indices = self.get_selected_img_indices()
for idx in selected_indices:
img = imgtools.ndarray_to_grayscale(self.images[idx])
self.images[idx] = img
list_item = self.img_list.item(idx)
list_item.setIcon(QtGui.QIcon(
convert_to_qt_pixmap(img).scaled(StitchingWidget.ICON_SIZE, StitchingWidget.ICON_SIZE,
QtCore.Qt.KeepAspectRatio))
)
self.preview_label.clear()
