Subjective Tools and Labs Setup

siti-tools

Calculate spatial information (SI) and temporal information (TI) with Python

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Author(s): Werner Robitza, Lukas Krasula, Cosmin Stejerean

License: MIT

Tags:

Category: Quality Analysis

Updated:

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A command-line-based tool to calculate spatial information (SI) and temporal information (TI) according to ITU-T P.910.

Developed under the Video Quality Expert Group (VQEG) No-Reference Metrics (NORM) working group.

Features:

  • Supports 8-bit and higher bit-depth content (10-bit, 12-bit)
  • Handles full and limited color ranges
  • HDR support (HLG and HDR10)
  • Available as both CLI and Python API
  • Outputs JSON or CSV with per-frame values and aggregated statistics

Requirements:

  • Python 3.10.1 or higher
  • FFmpeg libraries (v5 or higher)

Install:

pip3 install siti-tools