Jul 2, 2021 · Artificial Intelligence

How ContourNet and CenterNet Revolutionize Text Detection

This article explains the challenges of scene text detection and introduces two state‑of‑the‑art models, ContourNet and CenterNet, detailing their architectural innovations, loss functions, and how they overcome issues like extreme aspect ratios and anchor‑based inefficiencies.

CenterNetComputer VisionContourNet

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How ContourNet and CenterNet Revolutionize Text Detection

Tencent Cloud Developer

Mar 6, 2020 · Artificial Intelligence

WeChat "Scan" Object Detection: Mobile AI Model Design, Optimization, and Deployment

The paper presents a lightweight, anchor‑free CenterNet‑based object‑ness detector for WeChat’s Scan feature, built on a ShuffleNetV2 backbone with enlarged 5×5 depth‑wise convolutions, a streamlined detection head, and a Pyramid Interpolation Module, then quantized, ONNX‑converted and NCNN‑deployed to achieve a 436 KB model running in ~15 ms per frame on an iPhone 8 CPU.

CenterNetMobile AIModel Optimization

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WeChat "Scan" Object Detection: Mobile AI Model Design, Optimization, and Deployment