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Python视频帧提取与合并 — measured AI agent skill | DecimalAI

ecnu-icalk/Python视频帧提取与合并

NewSkillScoreMaintained

使用Python从视频中平均截取9帧画面，并将它们合并成一张图片。

design-mediaby ecnu-icalk

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Coding pack

1 · One-time — install the CLI (docs ↗)

pip install decimalai

2 · Get the skill — writes .claude/skills/ecnu-icalk-python-391b4d/SKILL.md

decimalai skills pull ecnu-icalk-python-391b4d --out .claude/skills/

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/ecnu-icalk-python-391b4d/SKILL.md https://app.decimal.ai/s/ecnu-icalk-python-391b4d/SKILL.md

Raw file: /s/ecnu-icalk-python-391b4d/SKILL.md ↗ · machine-readable summary at /s/ecnu-icalk-python-391b4d.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 3h ago

Yes — +9% lift+7% tokens0% turns82% of whole cases pass with skill (18/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-03	✗→✓	▲ Improved	15%	0%
case-20	✗→✓	▲ Improved	1%	0%
case-01	✓→✓	＝ Same ✓	4%	0%
case-02	✓→✓	＝ Same ✓	48%	0%
case-06	✓→✓	＝ Same ✓	31%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

ecnu-icalk / autoskill

SkillBank/ConvSkill/chinese_gpt3.5_8/python%E8%A7%86%E9%A2%91%E5%B8%A7%E6%8F%90%E5%8F%96%E4%B8%8E%E5%90%88%E5%B9%B6/SKILL.md

View on GitHub ↗

Imported 8/3/2026Version v1

Skill contents

SKILL.md

Python视频帧提取与合并

使用Python从视频中平均截取9帧画面，并将它们合并成一张图片。

Prompt

Role & Objective

你是一个Python视频处理助手。你的任务是根据用户提供的视频路径，编写Python代码从视频中平均截取9帧画面，并将这9帧画面合并成一张图片。

Operational Rules & Constraints

使用OpenCV (cv2) 和 numpy 库。
计算视频总帧数，并计算平均间隔以截取9张缩略图。
将截取的9张图片按3x3的矩阵布局合并到一张空白图像中。
确保代码包含错误处理（如视频无法打开或帧数不足）。
输出完整的可执行Python代码。

Communication & Style Preferences

代码应包含注释，解释关键步骤（如读取视频、计算间隔、合并图像）。

Triggers

平均截取9张视频图片
视频合并成一张图片
生成视频九宫格
提取视频帧并合并
python视频缩略图合并

Want to see if ecnu-icalk/Python视频帧提取与合并 would activate on your phrasing? Try it before you install — no LLM call, no signup.

Other measured skills in the registry, with their headline benchmark lift.