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what is shape_based_matching fr?

allentdan/shape_based_matching — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2019-03-01

★ 1C++Audience · developerComplexity · 3/5DormantSetup · moderate

tl;dr

A fast C++ algorithm that finds objects in images by matching shape gradient patterns, robust to rotation, scaling, lighting, and clutter.

vibe map

mindmap
  root((shape_based_matching))
    What it does
      Template shape matching
      Gradient direction search
      Fast scanning
    Tech stack
      C plus plus
    Use cases
      Circuit board inspection
      Pick and place robots
      Quality control
    Audience
      Machine vision engineers
      Robotics developers
    Performance
      8191 features per template
      1000 templates in 20ms

Code map

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what do people make with this?

VIBE 1

Locate a specific component shape on a circuit board for automated inspection.

VIBE 2

Guide a robotic pick-and-place system to find parts at different rotations and scales.

VIBE 3

Build quality control software that detects defective or misaligned shapes on a production line.

VIBE 4

Test template matching robustness against rotated, scaled, or noisy test images.

what's the stack?

C++

how it stacks up fr

allentdan/shape_based_matchingbenagastov/bindweb-nim-wasm-compilerbobvanluijt/annoy-go
Stars111
LanguageC++C++C++
Last pushed2019-03-01—2018-06-04
MaintenanceDormant—Dormant
Setup difficultymoderateeasyhard
Complexity3/55/53/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · moderate time til it works · 1h+

Requires a C++ build environment and preparing template images for the objects to match.

prompts (copy fr)

prompt 1
Show me how to set up a template for shape_based_matching to find a specific object in images.
prompt 2
Help me use shape_based_matching to detect rotated and scaled versions of a target shape.
prompt 3
Explain how shape_based_matching's gradient-direction approach differs from edge detection.
prompt 4
Walk me through benchmarking shape_based_matching's speed on a batch of test images.

Frequently asked questions

what is shape_based_matching fr?

A fast C++ algorithm that finds objects in images by matching shape gradient patterns, robust to rotation, scaling, lighting, and clutter.

What language is shape_based_matching written in?

Mainly C++. The stack also includes C++.

Is shape_based_matching actively maintained?

Dormant — no commits in 2+ years (last push 2019-03-01).

How hard is shape_based_matching to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is shape_based_matching for?

Mainly developer.

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