def callback(self, file_path, file_name):
original = Image.from_path(file_path)
image = Image(original.img.copy())
detector = DigitDetector(image)
contours = detector.detect()
key_typed = image.to_color().draw_digit_contours(
contours).show().wait()
if key_typed == 27:
if self.debug:
print "exiting..."
exit()
elif key_typed == 13:
for contour in contours:
cropped = Image.with_zeros(contour.w, contour.h).fill_with(
original.to_gray(), contour)
digit_typed = cropped.show("cropped").wait()
if digit_typed in valid_keys:
self.intClassifications.append(digit_typed)
flattened_image = cropped.resize(
RESIZED_IMAGE_WIDTH, RESIZED_IMAGE_HEIGHT).img.reshape(
(1, RESIZED_IMAGE_WIDTH * RESIZED_IMAGE_HEIGHT))
self.npaFlattenedImages = np.append(
self.npaFlattenedImages, flattened_image, 0)
elif digit_typed == 27:
if self.debug:
print "exiting..."
exit()
else:
if self.debug:
print "skipping this digit"
Image.destroy_window("cropped")
def callback(self, file_path, file_name):
original = Image.from_path(file_path)
to_show = Image(original.img.copy())
image = Image(original.img.copy()).to_gray().threshold()
detector = DigitDetector(Image(original.img))
contours = detector.detect()
strFinalString = ""
posFinalString = ""
sepFinalString = ""
order = 1
for contour in contours:
to_show.draw_rect((contour.x, contour.y, contour.w, contour.y),
(0, 255, 0), 2)
img_roi = Image(image.img.copy()).crop(contour).resize(
RESIZED_IMAGE_WIDTH, RESIZED_IMAGE_HEIGHT).inverte()
npaROIResized = img_roi.vectorize(RESIZED_IMAGE_WIDTH *
RESIZED_IMAGE_HEIGHT)
char_discovered = self.classifier.classify(npaROIResized)
scale = 3.0 * float(contour.w) / 45.0
thickness = 3
text_size = Image.get_text_size(char_discovered, scale, thickness)
centered_box_x = contour.x + (contour.w - text_size[0]) / 2
centered_box_y = contour.y + (
(contour.h - text_size[1]) / 2) + text_size[1]
to_show.draw_text(char_discovered,
(centered_box_x, centered_box_y), scale,
(0, 255, 0), thickness)
if self.debug:
strFinalString = strFinalString + char_discovered
posFinalString = posFinalString + str(order)
sepFinalString = sepFinalString + "|"
order = order + 1
if self.debug:
print "\n" + posFinalString + "\n" + sepFinalString + "\n" + strFinalString + "\n"
if to_show.show().wait() == 27:
if self.debug:
print "ESC key pressed, exiting"
sys.exit(0)