给我买咖啡☕
*备忘录:
- 我的帖子解释了牛津iiitpet()。
> randomposterize()可以随机将带有给定概率的图像随机寄电,如下所示:
*备忘录:
- 初始化的第一个参数是位(必需类型:int):
*备忘录:
- >是每个频道要保留的位数。 >
- 它必须是x
初始化的第一个参数是p(可选默认:0.5-type:int或float):
*备忘录:
-
- 这是图像是否被后代的概率。
- > 必须为0
- 不使用img =。
- 建议根据v1或v2使用v2?我应该使用哪一个?
from torchvision.datasets import OxfordIIITPet
from torchvision.transforms.v2 import RandomPosterize
randomposterize = RandomPosterize(bits=1)
randomposterize = RandomPosterize(bits=1, p=0.5)
randomposterize
# RandomPosterize(p=0.5, bits=1)
randomposterize.bits
# 1
randomposterize.p
# 0.5
origin_data = OxfordIIITPet(
root="data",
transform=None
)
b8p1origin_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=8, p=1)
)
b7p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=7, p=1)
)
b6p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=6, p=1)
)
b5p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=5, p=1)
)
b4p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=4, p=1)
)
b3p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=3, p=1)
)
b2p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=2, p=1)
)
b1p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=1, p=1)
)
b0p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=0, p=1)
)
bn1p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=-1, p=1)
)
bn10p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=-10, p=1)
)
bn100p1_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=-100, p=1)
)
b1p0_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=1, p=0)
)
b1p05_data = OxfordIIITPet(
root="data",
transform=RandomPosterize(bits=1, p=0.5)
# transform=RandomPosterize(bits=1)
)
import matplotlib.pyplot as plt
def show_images1(data, main_title=None):
plt.figure(figsize=[10, 5])
plt.suptitle(t=main_title, y=0.8, fontsize=14)
for i, (im, _) in zip(range(1, 6), data):
plt.subplot(1, 5, i)
plt.imshow(X=im)
plt.xticks(ticks=[])
plt.yticks(ticks=[])
plt.tight_layout()
plt.show()
show_images1(data=origin_data, main_title="origin_data")
print()
show_images1(data=b8p1origin_data, main_title="b8p1origin_data")
show_images1(data=b7p1_data, main_title="b7p1_data")
show_images1(data=b6p1_data, main_title="b6p1_data")
show_images1(data=b5p1_data, main_title="b5p1_data")
show_images1(data=b4p1_data, main_title="b4p1_data")
show_images1(data=b3p1_data, main_title="b3p1_data")
show_images1(data=b2p1_data, main_title="b2p1_data")
show_images1(data=b1p1_data, main_title="b1p1_data")
show_images1(data=b0p1_data, main_title="b0p1_data")
show_images1(data=bn1p1_data, main_title="bn1p1_data")
show_images1(data=bn10p1_data, main_title="bn10p1_data")
show_images1(data=bn100p1_data, main_title="bn100p1_data")
print()
show_images1(data=b1p0_data, main_title="b1p0_data")
show_images1(data=b1p0_data, main_title="b1p0_data")
show_images1(data=b1p0_data, main_title="b1p0_data")
print()
show_images1(data=b1p05_data, main_title="b1p05_data")
show_images1(data=b1p05_data, main_title="b1p05_data")
show_images1(data=b1p05_data, main_title="b1p05_data")
print()
show_images1(data=b1p1_data, main_title="b1p1_data")
show_images1(data=b1p1_data, main_title="b1p1_data")
show_images1(data=b1p1_data, main_title="b1p1_data")
# ↓ ↓ ↓ ↓ ↓ ↓ The code below is identical to the code above. ↓ ↓ ↓ ↓ ↓ ↓
def show_images2(data, main_title=None, b=None, prob=0):
plt.figure(figsize=[10, 5])
plt.suptitle(t=main_title, y=0.8, fontsize=14)
if b != None:
for i, (im, _) in zip(range(1, 6), data):
plt.subplot(1, 5, i)
rp = RandomPosterize(bits=b, p=prob)
plt.imshow(X=rp(im))
plt.xticks(ticks=[])
plt.yticks(ticks=[])
else:
for i, (im, _) in zip(range(1, 6), data):
plt.subplot(1, 5, i)
plt.imshow(X=im)
plt.xticks(ticks=[])
plt.yticks(ticks=[])
plt.tight_layout()
plt.show()
show_images2(data=origin_data, main_title="origin_data")
print()
show_images2(data=origin_data, main_title="b8p1origin_data", b=8, prob=1)
show_images2(data=origin_data, main_title="b7p1_data", b=7, prob=1)
show_images2(data=origin_data, main_title="b6p1_data", b=6, prob=1)
show_images2(data=origin_data, main_title="b5p1_data", b=5, prob=1)
show_images2(data=origin_data, main_title="b4p1_data", b=4, prob=1)
show_images2(data=origin_data, main_title="b3p1_data", b=3, prob=1)
show_images2(data=origin_data, main_title="b2p1_data", b=2, prob=1)
show_images2(data=origin_data, main_title="b1p1_data", b=1, prob=1)
show_images2(data=origin_data, main_title="b0p1_data", b=0, prob=1)
show_images2(data=origin_data, main_title="bn1p1_data", b=-1, prob=1)
show_images2(data=origin_data, main_title="bn10p1_data", b=-10, prob=1)
show_images2(data=origin_data, main_title="bn100p1_data", b=-100, prob=1)
print()
show_images2(data=origin_data, main_title="b1p0_data", b=1, prob=0)
show_images2(data=origin_data, main_title="b1p0_data", b=1, prob=0)
show_images2(data=origin_data, main_title="b1p0_data", b=1, prob=0)
print()
show_images2(data=origin_data, main_title="b1p05_data", b=1, prob=0.5)
show_images2(data=origin_data, main_title="b1p05_data", b=1, prob=0.5)
show_images2(data=origin_data, main_title="b1p05_data", b=1, prob=0.5)
print()
show_images2(data=origin_data, main_title="b1p1_data", b=1, prob=1)
show_images2(data=origin_data, main_title="b1p1_data", b=1, prob=1)
show_images2(data=origin_data, main_title="b1p1_data", b=1, prob=1)









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