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Create app.py
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app.py
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| 1 |
+
#!/usr/bin/env python3
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| 2 |
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# -*- coding: utf-8 -*-
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| 3 |
+
"""
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| 4 |
+
ClearAI - 图像增强应用
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| 5 |
+
作者: ClearAI Team
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| 6 |
+
描述: 基于Gradio的图像到图像处理应用,提供图像增强功能
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| 7 |
+
"""
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| 8 |
+
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| 9 |
+
import gradio as gr
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| 10 |
+
import numpy as np
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| 11 |
+
from PIL import Image, ImageEnhance, ImageFilter
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| 12 |
+
import cv2
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| 13 |
+
import logging
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| 14 |
+
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| 15 |
+
# 配置日志
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| 16 |
+
logging.basicConfig(level=logging.INFO)
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| 17 |
+
logger = logging.getLogger(__name__)
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| 18 |
+
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| 19 |
+
class ImageProcessor:
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| 20 |
+
"""图像处理器类,包含各种图像增强方法"""
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| 21 |
+
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| 22 |
+
def __init__(self):
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| 23 |
+
logger.info("初始化图像处理器")
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| 24 |
+
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| 25 |
+
def enhance_image(self, image, enhancement_type="auto"):
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| 26 |
+
"""
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| 27 |
+
图像增强主函数
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| 28 |
+
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| 29 |
+
参数:
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| 30 |
+
image: PIL.Image对象 - 输入图像
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| 31 |
+
enhancement_type: str - 增强类型 ("auto", "sharpen", "brightness", "contrast")
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| 32 |
+
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| 33 |
+
返回:
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| 34 |
+
PIL.Image对象 - 增强后的图像
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| 35 |
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"""
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| 36 |
+
try:
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| 37 |
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if image is None:
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| 38 |
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logger.error("输入图像为空")
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| 39 |
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return None
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| 40 |
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| 41 |
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logger.info(f"开始处理图像,增强类型: {enhancement_type}")
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| 42 |
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| 43 |
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# 转换为RGB模式(如果不是的话)
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| 44 |
+
if image.mode != 'RGB':
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| 45 |
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image = image.convert('RGB')
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| 46 |
+
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| 47 |
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# 根据增强类型选择处理方法
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| 48 |
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if enhancement_type == "auto":
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| 49 |
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enhanced_image = self._auto_enhance(image)
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| 50 |
+
elif enhancement_type == "sharpen":
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| 51 |
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enhanced_image = self._sharpen_image(image)
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| 52 |
+
elif enhancement_type == "brightness":
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| 53 |
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enhanced_image = self._adjust_brightness(image)
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| 54 |
+
elif enhancement_type == "contrast":
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| 55 |
+
enhanced_image = self._adjust_contrast(image)
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| 56 |
+
else:
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| 57 |
+
enhanced_image = self._auto_enhance(image)
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| 58 |
+
|
| 59 |
+
logger.info("图像处理完成")
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| 60 |
+
return enhanced_image
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| 61 |
+
|
| 62 |
+
except Exception as e:
|
| 63 |
+
logger.error(f"图像处理出错: {str(e)}")
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| 64 |
+
return image # 出错时返回原图像
|
| 65 |
+
|
| 66 |
+
def _auto_enhance(self, image):
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| 67 |
+
"""
|
| 68 |
+
自动图像增强
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| 69 |
+
综合应用多种增强技术
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| 70 |
+
"""
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| 71 |
+
# 1. 轻微锐化
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| 72 |
+
sharpened = image.filter(ImageFilter.UnsharpMask(radius=1.5, percent=150, threshold=3))
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| 73 |
+
|
| 74 |
+
# 2. 调整对比度
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| 75 |
+
contrast_enhancer = ImageEnhance.Contrast(sharpened)
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| 76 |
+
contrasted = contrast_enhancer.enhance(1.1)
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| 77 |
+
|
| 78 |
+
# 3. 调整亮度
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| 79 |
+
brightness_enhancer = ImageEnhance.Brightness(contrasted)
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| 80 |
+
brightened = brightness_enhancer.enhance(1.05)
|
| 81 |
+
|
| 82 |
+
# 4. 调整饱和度
|
| 83 |
+
color_enhancer = ImageEnhance.Color(brightened)
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| 84 |
+
final_image = color_enhancer.enhance(1.1)
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| 85 |
+
|
| 86 |
+
return final_image
|
| 87 |
+
|
| 88 |
+
def _sharpen_image(self, image):
|
| 89 |
+
"""图像锐化"""
|
| 90 |
+
# 使用UnsharpMask滤镜进行锐化
|
| 91 |
+
sharpened = image.filter(ImageFilter.UnsharpMask(radius=2, percent=200, threshold=3))
|
| 92 |
+
return sharpened
|
| 93 |
+
|
| 94 |
+
def _adjust_brightness(self, image):
|
| 95 |
+
"""调整亮度"""
|
| 96 |
+
enhancer = ImageEnhance.Brightness(image)
|
| 97 |
+
return enhancer.enhance(1.2) # 增加20%亮度
|
| 98 |
+
|
| 99 |
+
def _adjust_contrast(self, image):
|
| 100 |
+
"""调整对比度"""
|
| 101 |
+
enhancer = ImageEnhance.Contrast(image)
|
| 102 |
+
return enhancer.enhance(1.3) # 增加30%对比度
|
| 103 |
+
|
| 104 |
+
def color_correction(self, image):
|
| 105 |
+
"""
|
| 106 |
+
颜色校正
|
| 107 |
+
自动调整图像的色彩平衡和饱和度
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| 108 |
+
"""
|
| 109 |
+
try:
|
| 110 |
+
# 转换为numpy数组进行处理
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| 111 |
+
img_array = np.array(image)
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| 112 |
+
|
| 113 |
+
# 转换到LAB色彩空间进行颜色校正
|
| 114 |
+
lab = cv2.cvtColor(img_array, cv2.COLOR_RGB2LAB)
|
| 115 |
+
|
| 116 |
+
# 分离L、A、B通道
|
| 117 |
+
l, a, b = cv2.split(lab)
|
| 118 |
+
|
| 119 |
+
# 对L通道进行直方图均衡化(改善亮度分布)
|
| 120 |
+
l = cv2.createCLAHE(clipLimit=2.0, tileGridSize=(8,8)).apply(l)
|
| 121 |
+
|
| 122 |
+
# 重新合并通道
|
| 123 |
+
lab = cv2.merge([l, a, b])
|
| 124 |
+
|
| 125 |
+
# 转换回RGB色彩空间
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| 126 |
+
corrected = cv2.cvtColor(lab, cv2.COLOR_LAB2RGB)
|
| 127 |
+
|
| 128 |
+
# 转换回PIL图像
|
| 129 |
+
corrected_image = Image.fromarray(corrected)
|
| 130 |
+
|
| 131 |
+
# 进一步调整饱和度
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| 132 |
+
color_enhancer = ImageEnhance.Color(corrected_image)
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| 133 |
+
final_image = color_enhancer.enhance(1.15) # 增加15%饱和度
|
| 134 |
+
|
| 135 |
+
return final_image
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| 136 |
+
|
| 137 |
+
except Exception as e:
|
| 138 |
+
logger.error(f"颜色校正处理出错: {str(e)}")
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| 139 |
+
return image
|
| 140 |
+
|
| 141 |
+
# 创建全局图像处理器实例
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| 142 |
+
processor = ImageProcessor()
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| 143 |
+
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| 144 |
+
def process_image(input_image, apply_color_correction):
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| 145 |
+
"""
|
| 146 |
+
Gradio接口函数
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| 147 |
+
|
| 148 |
+
参数:
|
| 149 |
+
input_image: 输入图像
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| 150 |
+
apply_color_correction: 是否应用颜色校正
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| 151 |
+
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| 152 |
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返回:
|
| 153 |
+
处理后的图像
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| 154 |
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"""
|
| 155 |
+
if input_image is None:
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| 156 |
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return None
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| 157 |
+
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| 158 |
+
try:
|
| 159 |
+
# 自动图像增强
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| 160 |
+
enhanced_image = processor.enhance_image(input_image, "auto")
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| 161 |
+
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| 162 |
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# 可选的颜色校正处理
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| 163 |
+
if apply_color_correction:
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| 164 |
+
enhanced_image = processor.color_correction(enhanced_image)
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| 165 |
+
|
| 166 |
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return enhanced_image
|
| 167 |
+
|
| 168 |
+
except Exception as e:
|
| 169 |
+
logger.error(f"处理图像时发生错误: {str(e)}")
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| 170 |
+
return input_image
|
| 171 |
+
|
| 172 |
+
def create_gradio_interface():
|
| 173 |
+
"""创建Gradio界面"""
|
| 174 |
+
|
| 175 |
+
# 自定义CSS样式
|
| 176 |
+
css = """
|
| 177 |
+
.gradio-container {
|
| 178 |
+
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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| 179 |
+
}
|
| 180 |
+
.header {
|
| 181 |
+
text-align: center;
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| 182 |
+
margin-bottom: 30px;
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| 183 |
+
}
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| 184 |
+
.footer {
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| 185 |
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text-align: center;
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| 186 |
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margin-top: 30px;
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| 187 |
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color: #666;
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| 188 |
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}
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| 189 |
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"""
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| 190 |
+
|
| 191 |
+
# 创建Gradio界面
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| 192 |
+
with gr.Blocks(css=css, title="ClearAI - 图像增强") as demo:
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| 193 |
+
|
| 194 |
+
# 标题和描述
|
| 195 |
+
gr.HTML("""
|
| 196 |
+
<div class="header">
|
| 197 |
+
<h1>🏢 ClearAI - 图像增强应用</h1>
|
| 198 |
+
<p>上传您的图像,选择增强类型,获得更清晰的图像效果</p>
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| 199 |
+
</div>
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| 200 |
+
""")
|
| 201 |
+
|
| 202 |
+
# 主要界面布局
|
| 203 |
+
with gr.Row():
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| 204 |
+
# 左侧:输入区域
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| 205 |
+
with gr.Column(scale=1):
|
| 206 |
+
gr.HTML("<h3>📤 输入图像</h3>")
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| 207 |
+
input_image = gr.Image(
|
| 208 |
+
type="pil",
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| 209 |
+
label="上传图像",
|
| 210 |
+
height=400
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| 211 |
+
)
|
| 212 |
+
|
| 213 |
+
# 控制选项
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| 214 |
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gr.HTML("<h3>⚙️ 处理选项</h3>")
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| 215 |
+
gr.HTML("<p>✨ 自动增强模式:智能优化图像清晰度、对比度和亮度</p>")
|
| 216 |
+
|
| 217 |
+
apply_color_correction = gr.Checkbox(
|
| 218 |
+
label="应用颜色校正",
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| 219 |
+
value=False,
|
| 220 |
+
info="自动调整图像色彩平衡和饱和度(处理时间会稍微增加)"
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| 221 |
+
)
|
| 222 |
+
|
| 223 |
+
# 处理按钮
|
| 224 |
+
process_btn = gr.Button(
|
| 225 |
+
"🚀 处理图像",
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| 226 |
+
variant="primary",
|
| 227 |
+
size="lg"
|
| 228 |
+
)
|
| 229 |
+
|
| 230 |
+
# 右侧:输出区域
|
| 231 |
+
with gr.Column(scale=1):
|
| 232 |
+
gr.HTML("<h3>📥 增强结果</h3>")
|
| 233 |
+
output_image = gr.Image(
|
| 234 |
+
type="pil",
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| 235 |
+
label="增强后图像",
|
| 236 |
+
height=400
|
| 237 |
+
)
|
| 238 |
+
|
| 239 |
+
# 示例图像区域
|
| 240 |
+
gr.HTML("<h3>💡 使用示例</h3>")
|
| 241 |
+
gr.Examples(
|
| 242 |
+
examples=[
|
| 243 |
+
[False],
|
| 244 |
+
[True],
|
| 245 |
+
],
|
| 246 |
+
inputs=[apply_color_correction],
|
| 247 |
+
label="预设配置"
|
| 248 |
+
)
|
| 249 |
+
|
| 250 |
+
# 使用说明
|
| 251 |
+
with gr.Accordion("📖 使用说明", open=False):
|
| 252 |
+
gr.Markdown("""
|
| 253 |
+
### 如何使用:
|
| 254 |
+
1. **上传图像**:点击上传区域或拖拽图像文件
|
| 255 |
+
2. **自动增强**:应用会自动优化图像的清晰度、对比度和亮度
|
| 256 |
+
3. **可选颜色校正**:勾选后会进行色彩平衡和饱和度调整
|
| 257 |
+
- 使用LAB色彩空间进行专业级颜色校正
|
| 258 |
+
- 自动改善图像的色彩分布
|
| 259 |
+
- 增强图像的色彩饱和度
|
| 260 |
+
4. **点击处理**:点击"处理图像"按钮开始处理
|
| 261 |
+
5. **查看结果**:在右侧查看增强后的图像
|
| 262 |
+
6. **下载图像**:右键点击结果图像可以保存
|
| 263 |
+
|
| 264 |
+
### 支持格式:
|
| 265 |
+
- PNG, JPG, JPEG, BMP, TIFF, WEBP
|
| 266 |
+
|
| 267 |
+
### 注意事项:
|
| 268 |
+
- 建议图像大小不超过10MB
|
| 269 |
+
- 颜色校正会稍微增加处理时间
|
| 270 |
+
- 处理时间取决于图像大小和复杂度
|
| 271 |
+
- 自动增强适用于大多数图像类型
|
| 272 |
+
""")
|
| 273 |
+
|
| 274 |
+
# 绑定处理函数
|
| 275 |
+
process_btn.click(
|
| 276 |
+
fn=process_image,
|
| 277 |
+
inputs=[input_image, apply_color_correction],
|
| 278 |
+
outputs=output_image,
|
| 279 |
+
show_progress=True
|
| 280 |
+
)
|
| 281 |
+
|
| 282 |
+
# 页脚信息
|
| 283 |
+
gr.HTML("""
|
| 284 |
+
<div class="footer">
|
| 285 |
+
<p>🚀 由 <strong>ClearAI</strong> 提供技术支持 | 基于 Gradio 构建</p>
|
| 286 |
+
<p>💡 如有问题或建议,请在 Hugging Face Space 页面留言</p>
|
| 287 |
+
</div>
|
| 288 |
+
""")
|
| 289 |
+
|
| 290 |
+
return demo
|
| 291 |
+
|
| 292 |
+
def main():
|
| 293 |
+
"""主函数"""
|
| 294 |
+
logger.info("启动ClearAI图像增强应用")
|
| 295 |
+
|
| 296 |
+
# 创建Gradio界面
|
| 297 |
+
demo = create_gradio_interface()
|
| 298 |
+
|
| 299 |
+
# 启动应用
|
| 300 |
+
demo.launch(
|
| 301 |
+
server_name="0.0.0.0",
|
| 302 |
+
server_port=7860,
|
| 303 |
+
share=False,
|
| 304 |
+
show_error=True,
|
| 305 |
+
show_tips=True,
|
| 306 |
+
enable_queue=True
|
| 307 |
+
)
|
| 308 |
+
|
| 309 |
+
if __name__ == "__main__":
|
| 310 |
+
main()
|