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Split-Attention 백본 네트워크를 활용한 차선 인식에 관한 연구
송인서,이선우,권장우,원종훈,Song, In seo,Lee, Seon woo,Kwon, Jang woo,Won, Jong hoon 한국ITS학회 2020 한국ITS학회논문지 Vol.19 No.5
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. 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 특징을 추출할 수 있다. Tusimple 데이터 셋을 활용하여 본 논문에서 제안하는 네트워크를 학습·평가하였으며, 백본 네트워크의 레이어 수에 따른 성능 변화를 비교·분석 하였다. 평가 결과 최대 96.26%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.
송인서 ( Song In-seo ) 한국태국학회 1988 한국태국학회논총 Vol.1 No.-
Chuang Bunnag (1808 ~ 1883) was the eldest son of Dit Bunnag. He became the chief of King Mongkut’s ministers of state. He was the most powerful man in Mongkut’s reign and later became King-maker like his father. When King Chulalongkorn acceeded in 1868, the King was only fifteen years old. For this reason, he acted as the regent during the remaining five years of the young King’s minority. By the time the regency was well esta-blished, his eldest son was Defense minister (Weon Bunnag); another son was Finance minister (Thuam Bunnag) and so on. He was real master of the administration in the regency period. The regency ended in 1873, the regent continued as chief minister and greatly assisted the King, The King rewarded the ex-regent for his loyal services by promoting him to be Somdech Chaophraya Borommaha Si Suri-yawong being the last commoner to attain the highest title of nobility. He had also reached the height of his power in the post-regency period with the Wang Na incident in 1875. The Bunnag triumvirate, consisting of the ex-regent, the Kalahom, the Phraklang, all left office within the short span of five years. His services to the throne was loyal and beneficial throughout his life.