Python ImageEnhance.Sharpness方法代码示例

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def _fry(img):
		e = ImageEnhance.Sharpness(img)
		img = e.enhance(100)
		e = ImageEnhance.Contrast(img)
		img = e.enhance(100)
		e = ImageEnhance.Brightness(img)
		img = e.enhance(.27)
		r, b, g = img.split()
		e = ImageEnhance.Brightness(r)
		r = e.enhance(4)
		e = ImageEnhance.Brightness(g)
		g = e.enhance(1.75)
		e = ImageEnhance.Brightness(b)
		b = e.enhance(.6)
		img = Image.merge('RGB', (r, g, b))
		e = ImageEnhance.Brightness(img)
		img = e.enhance(1.5)
		temp = BytesIO()
		temp.name = 'deepfried.png'
		img.save(temp)
		temp.seek(0)
		return temp 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def image_sharpness(self, factor: int, extension: str = "png"):
        """Change image sharpness
        
        Args:
            factor (int): Factor to increase the sharpness by
            extension (str, optional): File extension of loaded image. Defaults to "png"
        
        Returns:
            Chepy: The Chepy object. 
        """
        image = Image.open(self._load_as_file())
        image = self._force_rgb(image)
        fh = io.BytesIO()
        enhanced = ImageEnhance.Sharpness(image).enhance(factor)
        enhanced.save(fh, extension)
        self.state = fh.getvalue()
        return self 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def modifyImageBscc(imageData, brightness, sharpness, contrast, color):
    """Update with brightness, sharpness, contrast and color."""

    brightnessMod = ImageEnhance.Brightness(imageData)
    imageData = brightnessMod.enhance(brightness)

    sharpnessMod = ImageEnhance.Sharpness(imageData)
    imageData = sharpnessMod.enhance(sharpness)

    contrastMod = ImageEnhance.Contrast(imageData)
    imageData = contrastMod.enhance(contrast)

    colorMod = ImageEnhance.Color(imageData)
    imageData = colorMod.enhance(color)

    return imageData 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def save_img(fname, image, image_enhance=False):  # 图像可以增强
    image = Image.fromarray(image)
    if image_enhance:
        # 亮度增强
        enh_bri = ImageEnhance.Brightness(image)
        brightness = 1.2
        image = enh_bri.enhance(brightness)

        # 色度增强
        enh_col = ImageEnhance.Color(image)
        color = 1.2
        image = enh_col.enhance(color)

        # 锐度增强
        enh_sha = ImageEnhance.Sharpness(image)
        sharpness = 1.2
        image = enh_sha.enhance(sharpness)
    imsave(fname, image)
    return 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def random_sharpness(image, jitter=.5):
    """
    Random adjust sharpness for image

    # Arguments
        image: origin image for sharpness change
            PIL Image object containing image data
        jitter: jitter range for random sharpness,
            scalar to control the random sharpness level.

    # Returns
        new_image: adjusted PIL Image object.
    """
    enh_sha = ImageEnhance.Sharpness(image)
    sharpness = rand(jitter, 1/jitter)
    new_image = enh_sha.enhance(sharpness)

    return new_image 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def __init__(self):
        self.policies = [
            ['Invert', 0.1, 7, 'Contrast', 0.2, 6],
            ['Rotate', 0.7, 2, 'TranslateX', 0.3, 9],
            ['Sharpness', 0.8, 1, 'Sharpness', 0.9, 3],
            ['ShearY', 0.5, 8, 'TranslateY', 0.7, 9],
            ['AutoContrast', 0.5, 8, 'Equalize', 0.9, 2],
            ['ShearY', 0.2, 7, 'Posterize', 0.3, 7],
            ['Color', 0.4, 3, 'Brightness', 0.6, 7],
            ['Sharpness', 0.3, 9, 'Brightness', 0.7, 9],
            ['Equalize', 0.6, 5, 'Equalize', 0.5, 1],
            ['Contrast', 0.6, 7, 'Sharpness', 0.6, 5],
            ['Color', 0.7, 7, 'TranslateX', 0.5, 8],
            ['Equalize', 0.3, 7, 'AutoContrast', 0.4, 8],
            ['TranslateY', 0.4, 3, 'Sharpness', 0.2, 6],
            ['Brightness', 0.9, 6, 'Color', 0.2, 8],
            ['Solarize', 0.5, 2, 'Invert', 0, 0.3],
            ['Equalize', 0.2, 0, 'AutoContrast', 0.6, 0],
            ['Equalize', 0.2, 8, 'Equalize', 0.6, 4],
            ['Color', 0.9, 9, 'Equalize', 0.6, 6],
            ['AutoContrast', 0.8, 4, 'Solarize', 0.2, 8],
            ['Brightness', 0.1, 3, 'Color', 0.7, 0],
            ['Solarize', 0.4, 5, 'AutoContrast', 0.9, 3],
            ['TranslateY', 0.9, 9, 'TranslateY', 0.7, 9],
            ['AutoContrast', 0.9, 2, 'Solarize', 0.8, 3],
            ['Equalize', 0.8, 8, 'Invert', 0.1, 3],
            ['TranslateY', 0.7, 9, 'AutoContrast', 0.9, 1],
        ] 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def sharpness(img, magnitude):
    magnitudes = np.linspace(0.1, 1.9, 11)
    img = ImageEnhance.Sharpness(img).enhance(random.uniform(magnitudes[magnitude], magnitudes[magnitude+1]))
    return img 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def __call__(self, image, label):


        #aug blur
        if random.random() > set_ratio:
            select = random.random()
            if select < 0.3:
                kernalsize = random.choice([3, 5])
                image = cv2.GaussianBlur(image, (kernalsize, kernalsize), 0)
            elif select < 0.6:
                kernalsize = random.choice([3, 5])
                image = cv2.medianBlur(image, kernalsize)
            else:
                kernalsize = random.choice([3, 5])
                image = cv2.blur(image, (kernalsize, kernalsize))

        # aug noise
        if random.random() > set_ratio:
            mu = 0
            sigma = random.random() * 10.0
            image = np.array(image, dtype=np.float32)
            image += np.random.normal(mu, sigma, image.shape)
            image[image > 255] = 255
            image[image < 0] = 0

        # aug_color
        if random.random() > set_ratio:

            random_factor = np.random.randint(4, 17) / 10.
            color_image = ImageEnhance.Color(image).enhance(random_factor)
            random_factor = np.random.randint(4, 17) / 10.
            brightness_image = ImageEnhance.Brightness(color_image).enhance(random_factor)
            random_factor = np.random.randint(6, 15) / 10.
            contrast_image = ImageEnhance.Contrast(brightness_image).enhance(random_factor)
            random_factor = np.random.randint(8, 13) / 10.
            image = ImageEnhance.Sharpness(contrast_image).enhance(random_factor)

        return np.array(image), label 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def test_sharpness_with_PIL(factor):
    np.random.seed(0)
    image = np.random.randint(low=0, high=255, size=(10, 5, 5, 3), dtype=np.uint8)
    sharpened = np.stack(
        [ImageEnhance.Sharpness(Image.fromarray(i)).enhance(factor) for i in image]
    )
    np.testing.assert_allclose(
        color_ops.sharpness(tf.constant(image), factor).numpy(), sharpened, atol=1
    ) 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def test_sanity(self):

        # FIXME: assert_image
        # Implicit asserts no exception:
        ImageEnhance.Color(hopper()).enhance(0.5)
        ImageEnhance.Contrast(hopper()).enhance(0.5)
        ImageEnhance.Brightness(hopper()).enhance(0.5)
        ImageEnhance.Sharpness(hopper()).enhance(0.5) 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def test_crash(self):

        # crashes on small images
        im = Image.new("RGB", (1, 1))
        ImageEnhance.Sharpness(im).enhance(0.5) 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def test_alpha(self):
        # Issue https://github.com/python-pillow/Pillow/issues/899
        # Is alpha preserved through image enhancement?

        original = self._half_transparent_image()

        for op in ['Color', 'Brightness', 'Contrast', 'Sharpness']:
            for amount in [0, 0.5, 1.0]:
                self._check_alpha(
                    getattr(ImageEnhance, op)(original).enhance(amount),
                    original, op, amount) 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def __call__(self, img):
        factor = 1.0 + np.random.randn(1)/5
        # print("sharpness {}".format(factor))
        enhancer = ImageEnhance.Sharpness(img)
        return enhancer.enhance(factor) 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def _videofry(img, duration):
		imgs = []
		frame = 0
		while img:
			i = img.copy()
			i = i.convert('RGB')
			e = ImageEnhance.Sharpness(i)
			i = e.enhance(100)
			e = ImageEnhance.Contrast(i)
			i = e.enhance(100)
			e = ImageEnhance.Brightness(i)
			i = e.enhance(.27)
			r, g, b = i.split()
			e = ImageEnhance.Brightness(r)
			r = e.enhance(4)
			e = ImageEnhance.Brightness(g)
			g = e.enhance(1.75)
			e = ImageEnhance.Brightness(b)
			b = e.enhance(.6)
			e = ImageEnhance.Contrast(b)
			i = Image.merge('RGB', (r, g, b))
			e = ImageEnhance.Brightness(i)
			i = e.enhance(1.5)
			imgs.append(i)
			frame += 1
			try:
				img.seek(frame)
			except EOFError:
				break
		temp = BytesIO()
		temp.name = 'deepfried.gif'
		if duration:
			imgs[0].save(temp, format='GIF', save_all=True, append_images=imgs[1:], loop=0, duration=duration)
		else:
			imgs[0].save(temp, format='GIF', save_all=True, append_images=imgs[1:], loop=0)
		temp.seek(0)
		return temp 

# 需要导入模块: from PIL import ImageEnhance [as 别名]
# 或者: from PIL.ImageEnhance import Sharpness [as 别名]
def _nuke(img):
		w, h = img.size[0], img.size[1]
		dx = ((w+200)//200)*2
		dy = ((h+200)//200)*2
		img = img.resize(((w+1)//dx,(h+1)//dy))
		e = ImageEnhance.Sharpness(img)
		img = e.enhance(100)
		e = ImageEnhance.Contrast(img)
		img = e.enhance(100)
		e = ImageEnhance.Brightness(img)
		img = e.enhance(.27)
		r, b, g = img.split()
		e = ImageEnhance.Brightness(r)
		r = e.enhance(4)
		e = ImageEnhance.Brightness(g)
		g = e.enhance(1.75)
		e = ImageEnhance.Brightness(b)
		b = e.enhance(.6)
		img = Image.merge('RGB', (r, g, b))
		e = ImageEnhance.Brightness(img)
		img = e.enhance(1.5)
		e = ImageEnhance.Sharpness(img)
		img = e.enhance(100)
		img = img.resize((w,h),Image.BILINEAR)
		temp = BytesIO()
		temp.name = 'nuke.jpg'
		img.save(temp, quality=1)
		temp.seek(0)
		return temp