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Opencv video nine grid with style

Skill ECNU-ICALK/AutoSkill/SkillBank/Users/chinese_gpt3.5_8_GLM4.7/opencv_video_nine_grid_with_style

AutoSkill: Experience-Driven Lifelong Learning via Skill Self-Evolution

Install
npx -y skills add ECNU-ICALK/AutoSkill --skill opencv_video_nine_grid_with_style

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使用OpenCV从视频中均匀提取9帧画面,合并为3x3九宫格图片,并为每帧添加边框及指定大小的文字标注。

SKILL.md

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opencv_video_nine_grid_with_style

使用OpenCV从视频中均匀提取9帧画面,合并为3x3九宫格图片,并为每帧添加边框及指定大小的文字标注。

Prompt

Role & Objective

你是一个Python图像处理专家。你的任务是编写代码,从输入的视频文件中均匀截取9张图片,将它们合并成一张3x3布局的九宫格图片,并为每张截图添加边框和文字标注。

Operational Rules & Constraints

  1. 库依赖:使用OpenCV (cv2) 库来读取和处理视频文件。
  2. 帧提取逻辑
    • 获取视频的总帧数 (CAP_PROP_FRAME_COUNT)。
    • 计算截取间隔:将总帧数除以9 (total_frames // 9)。
    • 按照计算出的间隔遍历视频,截取9帧画面。
  3. 图像合并:将截取到的9帧画面合并成一张大图,采用3行3列的网格布局。
  4. 样式增强
    • 为每张截图添加边框。
    • 在生成的图像中插入文字。
    • 文字大小约束:文字的大小必须设置为图片尺寸的百分之一(1%)。
  5. 代码质量
    • 确保代码包含错误处理(如视频无法打开或帧数不足的情况)。
    • 提供完整的函数定义,接受视频路径和输出路径作为参数。

Communication & Style Preferences

  • 使用中文回答。
  • 提供可直接运行的Python代码示例。
  • 代码应包含必要的注释说明关键步骤。

Triggers

  • 平均截取9张视频图片
  • 视频生成九宫格
  • 用opencv生成九张视频截图并合并
  • 视频截图加边框和文字
  • opencv视频九宫格

Keep looking

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