def pad(image, by):
"""Pad image with a 1px white and (BY-1)px black border"""
image_border1 = ia.pad(image, top=1, right=1, bottom=1, left=1,
mode="constant", cval=255)
image_border2 = ia.pad(image_border1, top=by-1, right=by-1,
bottom=by-1, left=by-1,
mode="constant", cval=0)
return image_border2
def pad(image, by):
image_border1 = ia.pad(image,
top=1,
right=1,
bottom=1,
left=1,
mode="constant",
cval=255)
image_border2 = ia.pad(image_border1,
top=by - 1,
right=by - 1,
bottom=by - 1,
left=by - 1,
mode="constant",
cval=0)
return image_border2
def main():
image = data.astronaut()
cv2.namedWindow("aug", cv2.WINDOW_NORMAL)
cv2.imshow("aug", image)
cv2.waitKey(TIME_PER_STEP)
# for value in cycle(np.arange(-255, 255, VAL_PER_STEP)):
for value in np.arange(-255, 255, VAL_PER_STEP):
aug = iaa.AddToHueAndSaturation(value=value)
img_aug = aug.augment_image(image)
img_aug = ia.pad(img_aug, bottom=40)
img_aug = ia.draw_text(img_aug,
x=0,
y=img_aug.shape[0] - 38,
text="value=%d" % (value, ),
size=30)
cv2.imshow("aug", img_aug)
cv2.waitKey(TIME_PER_STEP)
images_aug = iaa.AddToHueAndSaturation(
value=(-255, 255), per_channel=True).augment_images([image] * 64)
ia.imshow(ia.draw_grid(images_aug))
image = ia.quokka_square((128, 128))
images_aug = []
images_aug.extend(iaa.AddToHue().augment_images([image] * 10))
images_aug.extend(iaa.AddToSaturation().augment_images([image] * 10))
ia.imshow(ia.draw_grid(images_aug, rows=2))
def pad(
image, by
): #label permanece na imagem quando houver alguma alteração rotacional
image_border1 = ia.pad(image,
top=1,
right=1,
bottom=1,
left=1,
mode="constant",
cval=255)
image_border2 = ia.pad(image_border1,
top=by - 1,
right=by - 1,
bottom=by - 1,
left=by - 1,
mode="constant",
cval=0)
return image_border2
def main():
image = data.astronaut()
cv2.namedWindow("aug", cv2.WINDOW_NORMAL)
cv2.imshow("aug", image)
cv2.waitKey(TIME_PER_STEP)
# for value in cycle(np.arange(-255, 255, VAL_PER_STEP)):
for value in np.arange(-255, 255, VAL_PER_STEP):
aug = iaa.AddToHueAndSaturation(value=value)
img_aug = aug.augment_image(image)
img_aug = ia.pad(img_aug, bottom=40)
img_aug = ia.draw_text(img_aug, x=0, y=img_aug.shape[0]-38, text="value=%d" % (value,), size=30)
cv2.imshow("aug", img_aug)
cv2.waitKey(TIME_PER_STEP)
images_aug = iaa.AddToHueAndSaturation(value=(-255, 255), per_channel=True).augment_images([image] * 64)
ia.imshow(ia.draw_grid(images_aug))
