Bipul Mohanto

Bipul Mohanto

Doctoral Researcher@ Foveated Rendering | 3D Graphics Rendering| Global Illumination | Multi-View Rendering | Applied Human Perception | Color Science | Computer Vision

Statistics For Rendering Engineers

less than 1 minute read

Published:

Some Statistical Analysis Tools

  • G*Power often used to determine the sample size (aka. number of participants) based on the statistical method/s will be used
  • Two tools I find very handy, i.e., jamovi and jasp for do the analysis without writing any additional line of code
  • Many researchers rely on the statistical software like IBM SPSS or R-Language
  • Other than those, the Python is the most powerful for data analysis. Python there are numerous libraries, e.g., NumPy, SciPy, Pandas are frequently used. Additionally, someone could check Python pingouin for statistical analysis. Someone can use pandas for data manipulation, SciPy or statsmodels for tests, and matplotlib or seaborn for plotting results. Moreover, If someone wants to work on eye-tracking data analysis, the package, pymovements is very handy.

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tauray

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At the time of writing this (October, 2025), there are limited publicly available rendering engine that works for real-time stereo path tracing. The slow convergence with pixel dense display in VR is limiting real-time stereo path tracer. However, with the RT-core and GPU architecture improvements, I am noticing the recent trend of physically accurate light simulation in real-time rendering, e.g., games. Therefore, definitely with time, the real-time stereo path-tracing (and with other advanced global illumination algorithms) would be a real thing once we will overcome frame-rate constraint. Physically-accurate light simulation will minimized the difference between real and virtual world and extend the path of true immersion. Currently, 90 fps has become a golden standard for VR. However, the higher is the better for immersion.

Tamashii Beginner Tutorial

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Tamashii is an excellent scientific rendering framework under development by the Department of Computer Graphics, TU Wien. Its main goal is to simplify the creation of research applications in the field of computer graphics by providing a fundamental structure in the form of libraries implementing resource loading, input handling, user interface creation, a complete rendering framework, and graphics API abstraction. The backend graphics API is Vulkan. However, Tamashii only supports single display systems, and \textbf{has not been modified for VR.}

Popular 3D Graphics APIs

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High-level API

The OpenGL sometimes considered as a high level graphics API. It is always the starting point for beginners. However, the applications are limited to the industry. Moreover, compare to other widely used APIs, e.g., Vulkan, DirectX, it is sometimes considered as a high level API. This level is referred to the graphics hardware and memory control.