webarkit/purecv

View on GitHub

A pure Rust computer vision library focusing on the core and imgproc modules of OpenCV.

Stars: 25
Forks: 2
Open beginner issues: 0
Indexed issues: 27
Avg merge: 1d 2h
Merged PRs (30d): 15

Dominant language: Rust
License: LGPL-3.0
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

Open All

27 open issues indexed

calc_optical_flow_pyramid_lk aborts the whole pyramid on any level's degeneracy, OpenCV only at level 0 Open

bug help wanted video-module

Difficulty 3/5 1-2 days Newbie friendliness 72/100

webarkit/purecv#145 · Opened Sep 19, 2026
LK tracking window sampling diverges from OpenCV for even win_size (integer half-window truncation) Open

bug help wanted video-module

Difficulty 4/5 3-5 days Newbie friendliness 52/100

webarkit/purecv#144 · Opened Sep 19, 2026
lk_single_level's det.abs() < f64::EPSILON degeneracy guard is on the wrong scale after #130/#138 Open

bug help wanted video-module

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

webarkit/purecv#142 · Opened Sep 18, 2026
calc_optical_flow_pyramid_lk's min_eigen_threshold is not on OpenCV's scale (missing FLT_SCALE=2^-20 normalization) Open

bug help wanted video-module

webarkit/purecv#138 · 1 comment · 1 assignee · Opened Sep 13, 2026
When porting FAST, do not inherit jsfeat's per-row candidate-buffer off-by-one Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

webarkit/purecv#136 · Opened Sep 12, 2026
[calib3d] PnP refinement is Gauss-Newton; OpenCV uses Levenberg-Marquardt (no LM optimizer in tree) Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

webarkit/purecv#135 · Opened Sep 7, 2026
[calib3d] support `use_extrinsic_guess` in `solve_pnp` / `solve_pnp_ransac` (parity with OpenCV) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

webarkit/purecv#133 · 1 comment · Opened Sep 7, 2026
[Feature] GPU Acceleration integration via wgpu (WGSL Compute & GLSL/WebGL2 Fallback) Open

enhancement rust rust-code

Difficulty 5/5 Over a week Newbie friendliness 25/100

webarkit/purecv#132 · Opened Sep 5, 2026
LK iteration lacks OpenCV's oscillation half-step fallback Open

bug help wanted rust-code video-module

webarkit/purecv#131 · 2 comments · 2 reactions · 1 assignee · Opened Sep 5, 2026
LK pyramid uses Sobel instead of Scharr gradients (undocumented divergence from OpenCV) Open

help wanted rust-code video-module

webarkit/purecv#130 · 3 comments · 2 reactions · 1 assignee · Opened Sep 5, 2026
publish-npm job authenticates via npm config set + NPM_TOKEN; switch to OIDC trusted publishing Open

bug CI github_actions npm

Difficulty 4/5 3-5 days Newbie friendliness 65/100

webarkit/purecv#129 · Opened Sep 5, 2026
Hold a roadmap-scoping session and produce a durable 1.0.0-style plan doc Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

webarkit/purecv#128 · Opened Sep 5, 2026
calib3d: add pose_from_homography Open

calib3d-module enhancement

Difficulty 4/5 3-5 days Newbie friendliness 70/100

webarkit/purecv#127 · Opened Sep 4, 2026
Orb: wta_k and first_level are exposed but silently ignored Open

bug features2D-module

Difficulty 3/5 1-2 days Newbie friendliness 78/100

webarkit/purecv#126 · Opened Sep 4, 2026
Orb::detect computes the Harris response over the full pyramid level instead of near keypoints Open

enhancement features2D-module

Difficulty 4/5 3-5 days Newbie friendliness 52/100

webarkit/purecv#125 · Opened Sep 4, 2026
Orb::compute skips the Gaussian blur before BRIEF, unlike OpenCV and jsfeat Open

bug features2D-module

Difficulty 4/5 3-5 days Newbie friendliness 72/100

webarkit/purecv#124 · Opened Sep 4, 2026
Orb::detect_and_compute rebuilds the scale pyramid twice Open

enhancement features2D-module rust-code

Difficulty 3/5 1-2 days Newbie friendliness 72/100

webarkit/purecv#123 · Opened Sep 4, 2026
doc(bench): refresh benchmark_results.md with histogram/CLAHE numbers Open

documentation imgproc-module

Difficulty 3/5 1-2 days Newbie friendliness 78/100

webarkit/purecv#113 · Opened Aug 30, 2026
feat(features2d): StarDetector (CenSurE) Open

enhancement features2D-module rust rust-code

Difficulty 4/5 3-5 days Newbie friendliness 48/100

webarkit/purecv#104 · Opened Aug 28, 2026
feat(features2d): FREAK binary descriptor Open

enhancement features2D-module rust rust-code

Difficulty 5/5 Over a week Newbie friendliness 45/100

webarkit/purecv#103 · Opened Aug 28, 2026
feat(features2d): TEBLID binary descriptor (p256, then p512) Open

enhancement features2D-module rust rust-code

webarkit/purecv#102 · 1 assignee · Opened Aug 28, 2026
feat(features2d): GMS (Grid-based Motion Statistics) match filter Open

enhancement features2D-module rust rust-code

Difficulty 4/5 3-5 days Newbie friendliness 55/100

webarkit/purecv#101 · Opened Aug 28, 2026
feat(imgproc): integral image (`integral`, `integral_sq`) Open

enhancement imgproc-module rust-code

Difficulty 4/5 3-5 days Newbie friendliness 62/100

webarkit/purecv#100 · Opened Aug 28, 2026
perf(simd): close the WASM SIMD gap — measure on target, restructure loops, then vectorize Open

enhancement rust rust-code SIMD wasm

webarkit/purecv#97 · 1 assignee · Opened Aug 22, 2026
feat(ci): extend Miri coverage to the parallel+simd code path Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 65/100

webarkit/purecv#94 · Opened Aug 10, 2026
feat(ci): Add Miri to CI workflow to verify absence of Undefined Behavior Open

enhancement github_actions Miri rust rust-code

webarkit/purecv#81 · 1 assignee · Opened Jun 28, 2026
doc: create a comprehensive architectural diagram of the purecv codebase Open

documentation enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

webarkit/purecv#67 · 1 reaction · Opened May 21, 2026

webarkit/purecv

Get new issues in your inbox