Computer Vision & AI

Spatial Reasoning in Vision-Language Models: 3D Bounding Boxes & Pointing Tokens

A comprehensive multimodal AI architecture guide to spatial grounding. We analyze 2D/3D bounding box tokenization, point-cloud coordinate projection, visual referring expression comprehension, and robotic pick-and-place precision.

Sachin Sharma
Sachin SharmaCreator
Sep 2, 2026
3 min read
Spatial Reasoning in Vision-Language Models: 3D Bounding Boxes & Pointing Tokens
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A comprehensive multimodal AI architecture guide to spatial grounding. We analyze 2D/3D bounding box tokenization, point-cloud coordinate projection, visual referring expression comprehension, and robotic pick-and-place precision.

Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.