A skill your agent uses when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data.

MITAuto-check passedAI & LLM Engineering

Install Imgaug

skills CLI
$ npx skills add VectorSpaceLab/AREX-Skill --skill imgaug -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install VectorSpaceLab/AREX-Skill imgaug --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/VectorSpaceLab/AREX-Skill.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/repositories/repo-skills/imgaug .claude/skills/imgaug && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
imgaug
GitHub stars
330
Token cost
~1.2k tokens
SKILL.md length
425 words
Files
8 (incl. scripts, references)
Skills in repo
159
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data.

  • Working with imgaug image augmentation pipelines
  • SKILL.md covers First checks, Route by task, Core usage pattern and Bundled references, plus 1 more section
  • Runs Python scripts from its folder; calls python
  • Aligned annotations

What it does

Imgaug is an agent skill from VectorSpaceLab/AREX-Skill. Use when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 9 other files, including scripts and reference files (for example `references/package-overview.md`, `references/repo-provenance.md` and `references/repo-routing-metadata.json`).

It sits in AI & LLM Engineering, covering Computer vision. The repository describes itself as: A Skill Library for Automated Machine Learning. The licence is MIT.

When your agent uses it

  • Working with imgaug image augmentation pipelines
  • Aligned annotations
  • Stochastic parameters
  • Dtype/data utilities

Example prompts

  • “/imgaug”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit ac3fe1a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 2 files in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Imgaug loads about 1.2k tokens when it runs, and up to ~4k if it reads all its reference files. Until then it costs about 46 tokens; SKILL.md has 425 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~46
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from VectorSpaceLab/AREX-Skill at commit ac3fe1a, republished under its MIT licence (© VectorSpaceLab). 425 words, ~1,199 tokens.

Download SKILL.mdSave it as .claude/skills/imgaug/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.
name
imgaug
description
Use when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data.
disable-model-invocation
true
metadata.disco-role
operating
license
MIT

imgaug Repo Skill

Use this skill when a task involves the Python package imgaug: building image augmentation pipelines, applying identical transforms to annotations, choosing stochastic parameters, debugging dtype/shape issues, or running background augmentation for computer-vision training data.

This is a self-contained operating guide. Do not rely on the original repository checkout being available; use the bundled references and scripts in this skill.

First checks

For a fresh environment, install a compatible runtime before using examples:

bash
python -m pip install "imgaug==0.4.0" "numpy<2" "opencv-python-headless<4.12"

If installing from a local clone of imgaug 0.4.0, modern build isolation can fail because setup.py imports pkg_resources. Use a private environment and, only when needed, install setuptools<81 before a no-build-isolation local install. Prefer the public package install above for ordinary use.

Run the bundled environment check whenever installation, imports, optional dependencies, or compatibility are uncertain:

bash
python scripts/check_imgaug_env.py

Run a short end-to-end smoke that adapts imgaug's documented examples without display, network, or large data:

bash
python scripts/smoke_imgaug_workflows.py

Route by task

Task signalRead next
Build iaa.Sequential, SomeOf, OneOf, Sometimes, WithChannels, image-only augmentation, or choose augmenter families such as affine, blur, color, contrast, dropout, weather, superpixels, or PIL-like effectssub-skills/augmentation-pipelines/SKILL.md
Apply one transform consistently to keypoints, bounding boxes, polygons, line strings, heatmaps, segmentation maps, or mixed Batch/UnnormalizedBatch objectssub-skills/augmentables-and-batches/SKILL.md
Control random sampling, seeds, deterministic replay, stochastic parameter distributions, dtype conversion, example quokka data, image resizing, grids, or display helperssub-skills/parameters-random-and-utilities/SKILL.md
Speed up augmentation with augment_batches(..., background=True), Augmenter.pool(), imgaug.multicore.Pool, BatchLoader, or debug multiprocessing/performance issuessub-skills/multicore-and-diagnostics/SKILL.md
Show full SKILL.md (192 more words)Show less

Core usage pattern

Most workflows start with NumPy arrays in image shape (N, H, W, C) or a list of (H, W, C) arrays. Images should usually be RGB uint8 with values 0..255; convert BGR images loaded by OpenCV before color augmentations.

python
import numpy as np
import imgaug.augmenters as iaa

images = np.zeros((8, 64, 64, 3), dtype=np.uint8)
seq = iaa.Sequential([
    iaa.Fliplr(0.5),
    iaa.Affine(rotate=(-10, 10)),
    iaa.GaussianBlur(sigma=(0.0, 1.0)),
])
images_aug = seq(images=images)

When images have annotations, pass them in the same call so geometric parameters are sampled once and applied consistently:

python
images_aug, keypoints_aug = seq(images=images, keypoints=keypoints)

Use to_deterministic() when you must apply the same sampled transform in separate calls, but prefer a single call containing all aligned augmentables when possible.

Bundled references

What this skill does not cover

  • It does not teach general computer-vision model training frameworks beyond preparing augmented arrays/batches for them.
  • It does not run long visual/performance checks from the source repository; bundled scripts use tiny deterministic fixtures.
  • It does not verify optional imagecorruptions or numba acceleration unless the current task explicitly requires them.

© VectorSpaceLab, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 7 other files (scripts, references) in skills/repositories/repo-skills/imgaug of VectorSpaceLab/AREX-Skill.

  • SKILL.md
  • references/package-overview.md
  • references/repo-provenance.md
  • references/repo-routing-metadata.json
  • references/troubleshooting.md
  • scripts/check_imgaug_env.py
  • scripts/smoke_imgaug_workflows.py
  • sub-skills

Open the folder on GitHubat commit ac3fe1a

Compare with similar skills

Imgaug next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Yolo Master AgentTencent/YOLO-Master745—~755Automated safety check: PassAGPL-3.0
Video Understandjjyaoao/HelloAgents3.2k1 repos~6.2kAutomated safety check: PassMIT
LLaVA Vision-Language ModelOrchestra-Research/AI-Research-SKILLs13k6 repos~2kAutomated safety check: PassMIT

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Questions about Imgaug

What does Imgaug do?

A skill your agent uses when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data. Imgaug is an agent skill from VectorSpaceLab/AREX-Skill. Use when working with imgaug image augmentation pipelines, aligned annotations, stochastic parameters, dtype/data utilities, or multicore augmentation for computer-vision data.

When should I use Imgaug?

Imgaug fits situations like: working with imgaug image augmentation pipelines; aligned annotations; stochastic parameters; dtype/data utilities.

How do I install Imgaug in Claude Code?

Run `npx skills add VectorSpaceLab/AREX-Skill --skill imgaug -a claude-code`. Or copy the skill folder (skills/repositories/repo-skills/imgaug in VectorSpaceLab/AREX-Skill) into .claude/skills/imgaug in your project. Claude Code loads it when a task matches its description.

How do I install Imgaug in Codex?

Run `npx skills add VectorSpaceLab/AREX-Skill --skill imgaug -a codex`. Or copy the skill folder (skills/repositories/repo-skills/imgaug in VectorSpaceLab/AREX-Skill) into .agents/skills/imgaug in your project. Codex loads it when a task matches its description.

Can I use Imgaug in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add VectorSpaceLab/AREX-Skill --skill imgaug -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/imgaug, .gemini/skills/imgaug, .github/skills/imgaug and .opencode/skills/imgaug in your project.

What does Imgaug need to run?

Going by SKILL.md and its folder, Imgaug needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3.

Does Imgaug access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Imgaug safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Imgaug use?

Imgaug is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Imgaug use?

About 1.2k tokens (SKILL.md is roughly 4.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.8k tokens, read only when the agent opens those files.

What are the alternatives to Imgaug?

Skills that share tags, products or a category with Imgaug: Segment Anything Model Guide (Orchestra-Research/AI-Research-SKILLs, 13k stars), CLIP Image-Text Matching (Orchestra-Research/AI-Research-SKILLs, 13k stars), Yolo Master Agent (Tencent/YOLO-Master, 745 stars) and Video Understand (jjyaoao/HelloAgents, 3.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Imgaug?

VectorSpaceLab (a GitHub organization) maintains it in VectorSpaceLab/AREX-Skill, which has 330 GitHub stars. The repository holds 159 skills in this directory. The repository was last updated on September 3, 2026.

Source: VectorSpaceLab/AREX-Skill on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.