Files
deepdata/runtime/ops/mapper/img_shadow_remove/process.py
T
沃巴蒂 ff22ed3a8b feat(deepdata): 引入修改密码、文件预览组件与清洗算子增强,deepflow 改名为 deep-flow
本次同步 09-12 至 09-28 的代码变更,主要内容:

新增功能
- 修改密码:后端新增 ChangePasswordRequest DTO 与UserController/UserService
  对应接口,前端新增 ChangePasswordDialog 并在 Header 接入入口
- 文件预览组件重构:file-preview 目录拆分出 VideoPreview(支持 blobUrl 直传)、
  ImagePreview、AudioPreview,index.tsx 统一调度各类型预览器
- 新增 my_ops 算子模块:markitdown_parser、mineru_pdf_parser、text_quality_evaluator
- 新增 tools/minio-file-server MinIO 文件服务

功能增强
- 数据清洗:cleaning_task_service/scheduler/routes 重构,
  data_juicer_executor 与 wrapper 增强,OperatorTable/LogsTable/TaskDetail 同步调整
- 数据标注:annotation sync.py、project.py 接口与schema 更新
- 数据采集、算子市场、首页与菜单路由相关页面调整
- DataJuicer 算子接入(useOperatorOperations、dj_ops_schema)

结构调整
- deepflow/ 更名为 deep-flow/(419 个文件重命名)
- 新增 helm 部署编排、GitHub Actions 之外的自建镜像构建脚本

未纳入本次提交
- scripts-backup/、runtime/python-executor-backup/、components_backup/(备份目录)
- *.backup*、__pycache__ 产物
- zh_core_web_sm-3.8.0-py3-none-any.whl(46MB 构建产物)
- DataX/(内嵌独立仓库,远程亦未收录其源码)
2026-10-03 22:44:56 +08:00

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# -- encoding: utf-8 --
"""
Description: 图片去阴影插件
Create: 2025/01/16
"""
import time
from typing import Dict, Any
import cv2
import numpy as np
from loguru import logger
from deepdata.common.utils import bytes_transform
from deepdata.core.base_op import Mapper
class ImgShadowRemove(Mapper):
"""图片阴影去除"""
def __init__(self, *args, **kwargs):
super(ImgShadowRemove, self).__init__(*args, **kwargs)
self.iter_nums = 9 # 闭运算循环次数(不作为参数传入)。
self.k_size = 3 # kernel size大小。
self.clip_limit = 2 # 对比度限制阈值, 数值越大,效果越强。
self.tile_grid = 8 # 图像划分的网格大小, 数值越小,局部效果越明显。
def shadow_removed(self, image_data: np.ndarray):
'''
阴影去除。
Args:
image_data: nd.array 格式图片
Returns:
阴影去除后的图片
'''
# 设置kernel大小,进行闭运算
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (self.k_size, self.k_size))
closing = cv2.morphologyEx(image_data, cv2.MORPH_CLOSE, kernel, iterations=self.iter_nums)
# 进行~(closing - original)操作
cv2.bitwise_not(closing - image_data, dst=closing)
cv2.cvtColor(closing, cv2.COLOR_BGR2Lab, dst=closing)
# 获取处理后图像的亮度通道
img_l = cv2.split(closing)[0]
del closing
# 对img_l进行调节后,替换原图的亮度通道
cv2.cvtColor(image_data, cv2.COLOR_BGR2Lab, dst=image_data)
# 创建 CLAHE 对象
clahe = cv2.createCLAHE(clipLimit=self.clip_limit, tileGridSize=(self.tile_grid, self.tile_grid))
# 进行 CLAHE 处理
image_data[:, :, 0] = clahe.apply(img_l)
del img_l
cv2.cvtColor(image_data, cv2.COLOR_Lab2BGR, dst=image_data)
return image_data
def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
start = time.time()
self.read_file_first(sample)
img_bytes = sample[self.data_key]
file_name = sample[self.filename_key]
file_type = "." + sample[self.filetype_key]
if img_bytes:
# 进行阴影去除
img_data = bytes_transform.bytes_to_numpy(img_bytes)
img_data = self.shadow_removed(img_data)
sample[self.data_key] = bytes_transform.numpy_to_bytes(img_data, file_type)
logger.info(f"fileName: {file_name}, method: ImageShadowRemove costs {time.time() - start:.6f} s")
return sample