Main > Chinese Journal of Lasers >  Volume 47 >  Issue 9 >  Page 0910002 > Article
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  • Received: Mar. 25, 2020

    Accepted: Apr. 30, 2020

    Posted: Sep. 1, 2020

    Published Online: Sep. 16, 2020

    The Author Email: Liu Lirong (liulirong1125@163.com)

    DOI: 10.3788/CJL202047.0910002

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    Lirong Liu, Xinming Tang, Wenji Zhao, Xiaoming Gao, Junfeng Xie. Detection and Geo-localization of Small Traffic Signs Based on Images and Laser Data[J]. Chinese Journal of Lasers, 2020, 47(9): 0910002

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Schematic of overall plan

Fig. 1. Schematic of overall plan

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Object detection process based on SlimNet model

Fig. 2. Object detection process based on SlimNet model

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Three types of coordinate systems

Fig. 3. Three types of coordinate systems

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3D space coordinates of intersection

Fig. 4. 3D space coordinates of intersection

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Process of spatial geolocation based on depth map

Fig. 5. Process of spatial geolocation based on depth map

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Process of extracting diagonal of target. (a) Detect target; (b) determine endpoint; (c) extract result

Fig. 6. Process of extracting diagonal of target. (a) Detect target; (b) determine endpoint; (c) extract result

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Annotation examples of image targets

Fig. 7. Annotation examples of image targets

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Results of initial vectorization

Fig. 8. Results of initial vectorization

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Examples of traffic sign geolocation and vectorization results

Fig. 9. Examples of traffic sign geolocation and vectorization results

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