Bipul Mohanto

Bipul Mohanto

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

01: Human Vision is Amazing but Limited

less than 1 minute read

Published:

Five Sense Comparison with Other Animals

Sense TypeHumanSuperior Animal Species
Vision20/20Eagle 20/5
Audition20 Hz-20kHzGreater Wax Moth 1-300 kHz, Bat 9-200 kHz, African elephant 14-16 Hz, blue and fin whales 10-15 Hz
SomatosensationHigh density in fingers, lipsStar-nosed mole 100,000 nerve fibers in the nose
Olfaction5–6 million olfactory receptorsDog 220 million receptors
Gustation5 basic tastes, 9,000 taste budsCatfish, up to 175,000 taste buds

(work in progress…)

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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.

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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.