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HomeTech
HomeTech
Nov 16, 2022 · Artificial Intelligence

Fundamentals and Policy Gradient Algorithms in Reinforcement Learning with Applications to Scene Text Recognition

This article introduces the basic concepts of reinforcement learning, derives model‑based and model‑free policy gradient methods—including vanilla policy gradient and Actor‑Critic—explains their mathematical foundations, and demonstrates their use in scene text recognition and image captioning tasks.

Attention MechanismPolicy GradientReinforcement Learning
0 likes · 22 min read
Fundamentals and Policy Gradient Algorithms in Reinforcement Learning with Applications to Scene Text Recognition
Amap Tech
Amap Tech
Jul 30, 2020 · Artificial Intelligence

Evolution and Practice of Scene Text Recognition Technology in Amap Map Data Production

Amap uses advanced scene text recognition combining detection and recognition modules, deep learning, data synthesis, and result fusion to automate map data production, achieving state-of-the-art performance and automating the majority of POI and road updates, significantly reducing labor costs.

Computer VisionDeep LearningOCR
0 likes · 18 min read
Evolution and Practice of Scene Text Recognition Technology in Amap Map Data Production
Alibaba Cloud Developer
Alibaba Cloud Developer
Jul 30, 2020 · Artificial Intelligence

How Amap’s Scene Text Recognition Powers Accurate Maps: Evolution and Future Challenges

This article explains how Amap leverages scene text recognition to automate map data production, detailing the evolution from traditional image algorithms to deep‑learning models, the current detection and recognition framework, performance results, and future research directions for handling blur, data scarcity, and semantic understanding.

AmapComputer VisionDeep Learning
0 likes · 19 min read
How Amap’s Scene Text Recognition Powers Accurate Maps: Evolution and Future Challenges
Alibaba Cloud Developer
Alibaba Cloud Developer
Jul 29, 2020 · Artificial Intelligence

How Gaode Maps Boosts Accuracy with Advanced Scene Text Recognition

This article explains how Gaode Maps leverages traditional and deep‑learning based scene text recognition techniques—including character detection, sequence models, data synthesis, and multi‑stage frameworks—to automate POI and road data production with high precision and speed.

Computer VisionDeep LearningOCR
0 likes · 20 min read
How Gaode Maps Boosts Accuracy with Advanced Scene Text Recognition
JD Retail Technology
JD Retail Technology
Apr 2, 2020 · Artificial Intelligence

How Deep Learning Powers Text Detection in E‑commerce Posters

This article surveys state‑of‑the‑art deep‑learning techniques for scene text detection and recognition in e‑commerce poster images, detailing models such as CTPN, TextBoxes, SegLink, EAST, and end‑to‑end frameworks, and discusses their architectures, strengths, limitations, and future challenges.

Computer VisionDeep Learninge‑commerce
0 likes · 16 min read
How Deep Learning Powers Text Detection in E‑commerce Posters