Split-Attention 백본 네트워크를 활용한 차선 인식에 관한 연구
A Study on Lane Detection Based on Split-Attention Backbone Network
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초록
본 논문에서는 split-attention 네트워크를 백본으로 특징을 추출하는 차선인식 CNN 네트워크를 제안한다. split-attention은 CNN의 특징 추출 과정에서 feature map의 각 channel에 가중치를 부여하는 방법으로, 빠르게 변화하는 자동차의 주행 환경에서 안정적으로 이미지의 특징을추출할 수 있다. Tusimple 데이터 셋을 활용하여 본 논문에서 제안하는 네트워크를 학습·평가하였으며, 백본 네트워크의 레이어 수에 따른 성능 변화를 비교·분석 하였다. 평가 결과 최대96.26%의 정확도로 최신 연구에 준하는 결과를 얻었으며, FP의 경우 0.0234(2.34%)로 비교 연구 중 가장 좋은 결과를 보여준다. 따라서, 실제 차량의 주행 환경 등에서도 본 연구에서 제안하는 모델을 사용하여 오인식 없이 안정적인 차선 인식이 가능하다.
Abstract
This paper proposes a lane recognition CNN network using split-attention network as a backbone to extract feature. Split-attention is a method of assigning weight to each channel of a feature map in the CNN feature extraction process; it can reliably extract the features of an image during the rapidly changing driving environment of a vehicle. The proposed deep neural networks in this paper were trained and evaluated using the Tusimple data set. The change in performance according to the number of layers of the backbone network was compared and analyzed. A result comparable to the latest research was obtained with an accuracy of up to 96.26, and FN showed the best result. Therefore, even in the driving environment of an actual vehicle, stable lane recognition is possible without misrecognition using the model proposed in this study.
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