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自定义相关工具库

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引言

在实际工作中一些常见的可视化库(例如:matplotlib, cv2, PIL等)对于部分常用功能支持的不够好,在实际使用的时候往往需要进一步改写封装,本库用于记录一些在实际使用的时候基于现有的一些可视化库,自己改写的一些函数,这些函数会比原有的库兼容性更好。

功能描述

CVUtils

包括但是不限于以下功能:

  1. show_image(image, mode="bgr"):展示图片
  2. read_image(filename):读取中文路径下的图片
  3. resize2gray(image, new_shape):统一尺寸并修改为灰度图像
  4. cv2AddChineseText(img, text, position, textColor=(0, 255, 0), textSize=30, stroke_width=2):在图片中添加中文文本
  5. copy_files(all_filepath, output_path):使用协程技术拷贝文件,支持批量操作(速度极快)
  6. split_rectangle_image_from_imageArray(ori_image, left_top_point, right_bottom_point):切分矩形区域
  7. image_correction(img):霍夫变换图片校正
  8. Num2Plate(plate_nums):针对车牌识别任务,将数值列表还原为中文车牌
  9. save_list2txt(list_, output_file):将列表中的内容按行存储到指定文件中
  10. train_test_split2txt(filenames, test_size=0.2, output_dir=None):训练集测试集切分,针对图片
  11. COCOLableAnalyse类:将COCO数据集标签转化为其他常用类型。主要有两种:
    • a.VOC:coco2voc();
    • b.YOLO:coco2yolotxt()

SpiderUtils

包括但不限于以下功能:

  1. getDouBanComment(url, header):获取豆瓣短评name, comment_time, comment_location, comment字段
  2. saveListStr2DataFrame(saveExcelPath=None, **kwargs):将列表字段转化为数据框或存储到Excel文件中

更多功能持续开发中~~~

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