8-Part Technical Series

Vision-Language Models

How images and text merge into a single intelligence — from the pixel-level mechanics of vision transformers to CLIP's contrastive magic, multimodal fusion architectures, and the spatial grounding that lets models see and reason. Built for engineers who want to understand, not just use.

8 Articles
~280 Min total read
30+ Interactive demos
01
Foundations

Vision Foundations & Image Representations

How images become tensors — pixels, channels, convolutional feature hierarchies, receptive fields, feature pyramids, and the representations that vision models learn.

02
Architecture

Vision Transformers

Patch embeddings, the ViT architecture, CLS tokens vs mean pooling, DINOv2's self-supervised features, SigLIP, and how vision transformers scale.

03
Core Theory

Contrastive Learning & CLIP

Contrastive objectives, the InfoNCE loss, CLIP's dual-encoder training on 400M image-text pairs, zero-shot classification, and the shared embedding space.

04
Architecture

Multimodal Fusion Architectures

How vision connects to language — cross-attention, projection layers, early vs late fusion, Flamingo's gated cross-attention, and the LLaVA connector designs.

05
Training

Visual Instruction Tuning

LLaVA's two-stage recipe, visual conversation formats, instruction-following datasets, GPT-4V-assisted data generation, and the leap from classification to chat.

06
Training

Training Pipelines & Scaling

Multi-stage pre-training, data curation and filtering, resolution scaling, interleaved image-text training, RLHF for VLMs, and scaling laws for multimodal models.

07
Capabilities

Grounding & Spatial Reasoning

Referring expressions, bounding box prediction, object grounding, spatial relationship understanding, region-level features, and visually-grounded question answering.

08
Applications

Applications & Frontiers

Document and chart understanding, video VLMs, GUI agents, medical imaging, OCR and structured extraction, and the path toward unified multimodal intelligence.