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  • IOP Publishing  (3)
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  • IOP Publishing  (3)
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  • 1
    Online Resource
    Online Resource
    A Survey on Monocular 3D Object Detection Algorithms Based on Deep Learning
    IOP Publishing ; 2020
    In:  Journal of Physics: Conference Series Vol. 1518, No. 1 ( 2020-04-01), p. 012049-
    Details
    In: Journal of Physics: Conference Series, IOP Publishing, Vol. 1518, No. 1 ( 2020-04-01), p. 012049-
    Abstract: An accurate and effective perception of environment is important for autonomous vehicle and robot. The perception system needs to obtain the 3D information of objects, which includes objects’ space location and pose. Camera is widely equipped on autonomous vehicle because of its price advantage. However, the monocular camera cannot provide depth information which is necessary for 3D object detection. Many algorithms based on monocular 3D object detection have been developed in recent years. Deep learning is popular for perception system which transforms image data from camera into semantic information. This paper presents an overview of monocular 3D object detection algorithms based on deep Learning and summarize the contributions and limitations of these algorithms. We also compare the performance of different algorithms on different datasets.
    Type of Medium: Online Resource
    ISSN: 1742-6588 , 1742-6596
    URL: Article
    DOI: 10.1088/1742-6596/1518/1/012049
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2020
    detail.hit.zdb_id: 2166409-2
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Theoretical and Experimental Studies on Air-suction Roller-type Precision Seed-Metering Device
    IOP Publishing ; 2021
    In:  Journal of Physics: Conference Series Vol. 2087, No. 1 ( 2021-11-01), p. 012047-
    Details
    In: Journal of Physics: Conference Series, IOP Publishing, Vol. 2087, No. 1 ( 2021-11-01), p. 012047-
    Abstract: The seed-metering device is the key component of a precision seeder. The methods to improve the seed suction and dropping efficiency of air suction drum precision seed metering device were discussed Establishing the force and equation of motion for sucking, carrying and dropping stages, the effect of the seeding parameters on the effect of sucking and seeding is analyzed. Then, the single factor and orthogonal test are carried out on the sucking pressure, the carrying pressure, the rotation rate and the dropping pressure as the experimental factors for the optimization analysis. And the optimum experimental parameters and the predicted values of each test index are obtained. That is, when the seeding pressure of -2.87kPa, the seeding pressure of -1.91kPa, the drum rotation rate of 18.72 r min -1 and the dropping pressure of 1.74kPa, the best effect that the single rate is 93.8%.
    Type of Medium: Online Resource
    ISSN: 1742-6588 , 1742-6596
    URL: Article
    DOI: 10.1088/1742-6596/2087/1/012047
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2021
    detail.hit.zdb_id: 2166409-2
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Land Management Scale, Rural Labour Migration, and Agricultural Mechanization: Evidence from China
    IOP Publishing ; 2020
    In:  IOP Conference Series: Earth and Environmental Science Vol. 598, No. 1 ( 2020-11-01), p. 012049-
    Details
    In: IOP Conference Series: Earth and Environmental Science, IOP Publishing, Vol. 598, No. 1 ( 2020-11-01), p. 012049-
    Abstract: This paper based on the panel data of 31 provinces in China from 1999 to 2014. The three-stage least squares method is used in this paper to analysis the relationship between land management scale, rural labour migration and agricultural mechanization level. The analysis reveal that the rural labour migration and the scale of land management show a U-shaped relationship. The level of agricultural mechanization is positively affecting the transfer of rural labour. In addition, we find that the scale of land management, rural labour migration have promoted the level of agricultural mechanization. The proportion of the gross agricultural output value in the GDP has a negative impact on rural labour migration.
    Type of Medium: Online Resource
    ISSN: 1755-1307 , 1755-1315
    URL: Article
    DOI: 10.1088/1755-1315/598/1/012049
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2020
    detail.hit.zdb_id: 2434538-6
    Location Call Number Limitation Availability
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    Online Resource
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