Issues

• FastFeatureDetector matches OpenCV 4.10 only for Type9_16+nonmax: response, t=0, Type5_8/7_12, SIMD, WASM gaps

  enhancementfeatures2D-module
  webarkit/purecv#161 · Filter by author kalwalt opened on Sep 27, 2026

• Orb: implement wta_k 3/4 (+ NormHamming2), patch_size != 31 and first_level > 0 (#126 option 2)

  enhancementfeatures2D-modulewasm
  webarkit/purecv#160 · Filter by author kalwalt opened on Sep 27, 2026

• Orb: remaining OpenCV 4.10 parity gaps beyond #123-#126 (pyramid, KeyPoint.size, compute(), culling ties)

  enhancementfeatures2D-module
  webarkit/purecv#159 · Filter by author kalwalt opened on Sep 27, 2026

• Orb: Harris scoring differs from OpenCV 4.10 (7x7 block, 2x FAST pre-cull, ties kept), so keypoints differ

  enhancementfeatures2D-module
  webarkit/purecv#158 · Filter by author kalwalt opened on Sep 27, 2026

• imgproc: integer outputs truncate toward zero and set out-of-range values to 0 instead of saturate_cast

  bugimgproc-module
  webarkit/purecv#157 · Filter by author kalwalt opened on Sep 27, 2026

• Orb: keypoint coordinates and angles differ across platforms (f32 powi/atan2/sin/cos have unspecified precision)

  bugfeatures2D-module
  webarkit/purecv#156 · Filter by author kalwalt opened on Sep 27, 2026

• calc_optical_flow_pyramid_lk: win_size area overflows i32 and panics for huge windows

  bugvideo-module
  webarkit/purecv#155 · Filter by author kalwalt opened on Sep 27, 2026

• LK bilinear_interp blends border and interior pixels at the left/top edge (hit by even win_size since #144)

  bugvideo-module
  webarkit/purecv#154 · Filter by author kalwalt opened on Sep 27, 2026

• When porting FAST, do not inherit jsfeat's per-row candidate-buffer off-by-one

  webarkit/purecv#136 · Filter by author kalwalt opened on Sep 12, 2026

• [calib3d] PnP refinement is Gauss-Newton; OpenCV uses Levenberg-Marquardt (no LM optimizer in tree)

  webarkit/purecv#135 · Filter by author XiaoPengYouCode opened on Sep 7, 2026

• [calib3d] support use_extrinsic_guess in solve_pnp / solve_pnp_ransac (parity with OpenCV)

  webarkit/purecv#133 · Filter by author XiaoPengYouCode opened on Sep 7, 2026
  1

• [Feature] GPU Acceleration integration via wgpu (WGSL Compute & GLSL/WebGL2 Fallback)

  enhancementrustrust-code
  Feature

  webarkit/purecv#132 · Filter by author kalwalt opened on Sep 5, 2026

• Hold a roadmap-scoping session and produce a durable 1.0.0-style plan doc

  webarkit/purecv#128 · Filter by author kalwalt opened on Sep 5, 2026

• calib3d: add pose_from_homography

  calib3d-moduleenhancement
  webarkit/purecv#127 · Filter by author kalwalt opened on Sep 4, 2026

• Orb: wta_k and first_level are exposed but silently ignored

  bugfeatures2D-module
  webarkit/purecv#126 · Filter by author kalwalt opened on Sep 4, 2026

• Orb::detect computes the Harris response over the full pyramid level instead of near keypoints

  enhancementfeatures2D-module
  webarkit/purecv#125 · Filter by author kalwalt opened on Sep 4, 2026

• Orb::compute skips the Gaussian blur before BRIEF, unlike OpenCV and jsfeat

  bugfeatures2D-module
  webarkit/purecv#124 · Filter by author kalwalt opened on Sep 4, 2026

• Orb::detect_and_compute rebuilds the scale pyramid twice

  enhancementfeatures2D-modulerust-code
  webarkit/purecv#123 · Filter by author kalwalt opened on Sep 4, 2026

• doc(bench): refresh benchmark_results.md with histogram/CLAHE numbers

  documentationimgproc-module
  webarkit/purecv#113 · Filter by author kalwalt opened on Aug 30, 2026

• feat(features2d): StarDetector (CenSurE)

  enhancementfeatures2D-modulerustrust-code
  Feature

  webarkit/purecv#104 · Filter by author kalwalt opened on Aug 28, 2026

• feat(features2d): FREAK binary descriptor

  enhancementfeatures2D-modulerustrust-code
  Feature

  webarkit/purecv#103 · Filter by author kalwalt opened on Aug 28, 2026

• feat(features2d): TEBLID binary descriptor (p256, then p512)

  enhancementfeatures2D-modulerustrust-code
  Feature

  webarkit/purecv#102 · Filter by author kalwalt opened on Aug 28, 2026
  

• feat(features2d): GMS (Grid-based Motion Statistics) match filter

  enhancementfeatures2D-modulerustrust-code
  Feature

  webarkit/purecv#101 · Filter by author kalwalt opened on Aug 28, 2026

• feat(imgproc): integral image (integral, integral_sq)

  enhancementimgproc-modulerust-code
  Feature

  webarkit/purecv#100 · Filter by author kalwalt opened on Aug 28, 2026

• perf(simd): close the WASM SIMD gap — measure on target, restructure loops, then vectorize

  enhancementrustrust-codeSIMDwasm
  Feature

  webarkit/purecv#97 · Filter by author kalwalt opened on Aug 22, 2026