沃巴蒂
ff22ed3a8b
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）
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# -- encoding: utf-8 --
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"""
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Description:
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Create: 2025/01/17
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"""
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import time
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from typing import Dict, Any
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import cv2
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import numpy as np
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from loguru import logger
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from deepdata.common.utils import bytes_transform
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from deepdata.core.base_op import Mapper
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class ImgDenoise(Mapper):
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def __init__(self, *args, **kwargs):
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super(ImgDenoise, self).__init__(*args, **kwargs)
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self._denoise_threshold = kwargs.get("denoise_threshold", 8)
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@staticmethod
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def _denoise_image(data: object):
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"""降噪处理"""
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return cv2.medianBlur(data, 3)
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def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
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start = time.time()
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self.read_file_first(sample)
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img_bytes = sample[self.data_key]
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file_name = sample[self.filename_key]
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file_type = "." + sample[self.filetype_key]
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if img_bytes:
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data = bytes_transform.bytes_to_numpy(img_bytes)
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denoise_images = self._denoise_images_filter(data, file_name)
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sample[self.data_key] = bytes_transform.numpy_to_bytes(denoise_images, file_type)
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logger.info(f"fileName: {file_name}, method: ImgDenoise costs {time.time() - start:.6f} s")
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return sample
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def _denoise_images_filter(self, ori_img, file_name):
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# 获取原始图片的去噪图片
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clean_data = self._denoise_image(ori_img)
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# 为方便与其他图片比较可以将图片resize到同一个大小
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ori = cv2.resize(ori_img, (112, 112))
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dst = cv2.resize(clean_data, (112, 112))
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# 计算未降噪图片的灰度值的集合
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signal = np.sum(ori ** 2)
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# 计算未降噪图片的灰度值与去噪图片灰度值的差值的集合
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noise = np.sum((ori - dst) ** 2)
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# 根据未去噪图片和差值计算snr (图片信噪比)
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snr = 10 * np.log10(signal / noise)
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# 对于小于阈值的图片，进行降噪处理
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if snr < self._denoise_threshold:
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logger.info(f"The image denoise is {self._denoise_threshold}, "
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f"which exceeds the threshold of {snr}. {file_name} is filtered out.")
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return clean_data
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return ori_img
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