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Qunar Tech Salon
Qunar Tech Salon
Apr 26, 2018 · Artificial Intelligence

Understanding gcForest: Cascade Forest Structure and Multi‑grained Scanning for Representation Learning

The article explains how gcForest, an ensemble‑of‑decision‑tree model that mimics deep neural network hierarchies, uses cascade forests and multi‑grained sliding‑window scanning to achieve effective representation learning with fewer hyper‑parameters, especially on small datasets.

Machine Learningcascade forestensemble methods
0 likes · 11 min read
Understanding gcForest: Cascade Forest Structure and Multi‑grained Scanning for Representation Learning
JD Tech
JD Tech
Apr 19, 2018 · Artificial Intelligence

Key Insights from Prof. Zhou Zhihua’s Talk on Deep Learning, Model Complexity, and the Deep Forest Method

In his JD AI Innovation Summit presentation, Prof. Zhou Zhihua examined why deep neural networks have succeeded, identified three essential conditions—layer‑wise processing, internal feature transformation, and sufficient model complexity—highlighted their limitations, introduced the gcforest/deep forest alternative, and emphasized the need for large data, powerful hardware, training tricks, and talent to advance AI research and education.

AI educationdeep forestdeep learning
0 likes · 23 min read
Key Insights from Prof. Zhou Zhihua’s Talk on Deep Learning, Model Complexity, and the Deep Forest Method