Lane Detection with Deep Learning

Reference

[์ง‘์ฝ•]์ž์œจ์ฃผํ–‰ ์ธ๊ณต์ง€๋Šฅ ์‹œ์Šคํ…œ

Introduction

Other issues

Highly curved lanes, Occlusions, Road crossings

Dateset for Lanes

CU-LANE: Hongkong dataset

Deep Learning-based Lane Detection

Semantic Segmentation

Uses Encoder-Decoder

Drivable Area Segmentation (Pizzati, 2019)

LaneNet (Wang, 2018)

Deep Learning ๊ธฐ๋ฐ˜ Lane Detection ์„ฑ๋Šฅ ์ง€ํ‘œ (CU-Lane ๋ฐ์ดํ„ฐ์…‹)

UltraFast (UFAST) Lane Detection

  1. Grid Cell๊ณผ ROI (์ˆ˜ํ‰์„  ์•„๋ž˜)์˜ ๋„์ž…์œผ๋กœ ์ „์ฒด ์—ฐ์‚ฐ๋Ÿ‰ ๋Œ€ํญ ๊ฐ์†Œ

  2. ์ฐจ์„ ์„ ๋”ฐ๋ผ ๊ธฐ์šธ๊ธฐ๊ฐ€ ์ผ์ •ํ•จ์„ ๊ณ ๋ คํ•œ (Domain Knowledge) ์†์‹ค ํ•จ์ˆ˜ ์„ค๊ณ„๋กœ ์ฐจ์„  ํƒ์ง€ ์„ฑ๋Šฅ ํ–ฅ์ƒ

  3. ํ•™์Šต ์‹œ์—๋งŒ ์‚ฌ์šฉํ•˜๋Š” Auxiliary Branch๋กœ Global & Localํ•œ Feature ์ •๋ณด๋ฅผ ํ†ตํ•ฉํ•˜์—ฌ ์ฐจ์„ ์„ ํƒ์ง€ํ•˜๊ณ  ๊ทธ ์ •ํ™•๋„๋ฅผ Main Branch์™€ ๋ณ„๋„์˜ Loss Function์œผ๋กœ ๊ตฌ์„ฑํ•˜์—ฌ ์ „์ฒด ํ•™์Šต ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ (Down Sampling์œผ๋กœ ์ธํ•œ ์ •๋ณด ์†์‹ค ๊ฐ์†Œ, GoogLeNet๊ณผ ์œ ์‚ฌ)

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