kiui 0.3.4

A toolkit for 3D vision

Kiuikit
pip install kiui   •   Documentation

A niche toolkit for computer vision (especially 3D vision) tasks.

Install

# released
pip install kiui # install the minimal package
pip install kiui[full] # install optional dependencies

# latest
pip install git+https://github.com/ashawkey/kiuikit.git # only the minimal package

Highlights

CLI tools:

Command	Description
kire	GUI 3D mesh viewer with PBR rendering, auto-rotate, save video
kisr	Super-resolution (Real-ESRGAN)
kivi	Video/image info, resize, preview (capped-CRF), split
kiss	System information — OS, CPU, GPU, torch, CUDA, conda
ks	Slurm job management — queue, history, logs, cancel, usage
kia	Minimal yet powerful AI agent — tool-use, web access, skills

Python library:

Module	Highlights
kiui.lo()	Rich-based inspection of arrays, tensors, and any object
kiui.Mesh	Torch-native 3D mesh — load .obj/.glb/.ply/.fbx, export, auto-UV, auto-normalize
kiui.read_video / write_video	Video I/O with numpy/torch support
kiui.read_image / write_image	Image I/O with float/HDR support
kiui.op	Vector math (dot, length, safe_normalize) working on both torch & numpy
kiui.cam	OrbitCamera, projection / unprojection utilities
kiui.quaternion	Quaternion math (norm, multiply, slerp, to/from matrices) for torch & numpy
kiui.nn	Standalone PyTorch NN blocks — MLP, DiT, UNet 2D/3D, VAE, attention, flow matching
kiui.gridencoder	Hash-grid encoding with CUDA backend
kiui.lpips	Clean LPIPS perceptual loss (SqueezeNet)
kiui.timer	CUDA-synchronized timer (context manager & decorator)
kiui.equirect	Equirectangular (360°) / cubemap utilities
kiui.geocalib	Single-image camera intrinsics estimation

See the documentation for full API details.