// ⬡ Deep Learning Foundations
Convolutional Neural Network (CNN)
Slides small learned filters to detect local patterns, composed layer by layer.
卷积神经网络 1998 Foundational core
IN PLAIN WORDS
Filters share weights across the image, learning edges, then textures, parts and objects. LeNet read digits; AlexNet ignited the deep learning boom in 2012.
Used in: Image classification, detection, medical imaging
TIMELINE · prerequisites → this → what builds on it
01Original paper
Gradient-based learning applied to document recognition
Lecun et al. · Proceedings of the IEEE · 1998
DOI ↗ ✓ Verified · Crossref API doi:10.1109/5.726791
02Where it sits
Learn the left column first; the right column builds on this one.
Learn first
Left: prerequisites · right: builds on this · dashed: related. Full map →
03Learning resources
Official docs, explainers, courses and reference code. All links checked.
04Where the course teaches it
On learning paths:Zero to Deep Learning
For AI / data
- Verification: verified, checked 2026-10-21.
- JSON: /api/learn/algorithms.json (id:
cnn)