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Stereo Matching Algorithms in MATLAB and Python

Published: (February 3, 2026 at 08:33 AM EST)
1 min read
Source: Dev.to

Source: Dev.to

What’s Included

  • Block Matching
  • Two versions of Dynamic Programming
  • Semi‑Global Matching and Semi‑Global Block Matching
  • Three versions of Belief Propagation

All algorithms are available in:

  • MATLAB:
  • Python:

Example Outputs

The algorithms are tested using the Tsukuba stereo image. Below are the resulting disparity maps generated by each method.

Block Matching

Block Matching Disparity Map

Dynamic Programming – Left‑Right Axes DSI

Dynamic Programming Disparity Map 1

Dynamic Programming – Left‑Disparity Axes DSI

Dynamic Programming Disparity Map 2

Semi‑Global Matching

Semi‑Global Matching Disparity Map

Semi‑Global Block Matching

Semi‑Global Block Matching Disparity Map

Belief Propagation – Accelerated Message Update Schedule

Belief Propagation Disparity Map 1

Belief Propagation – Synchronous Message Update Schedule

Belief Propagation Disparity Map 2

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