Prof. LIU Kai (劉凱)

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Research Output

  1. 2021
  2. Published

    Fast and accurate detection of lactating sow nursing behavior with CNN-based optical flow and features

    Gan, H., Li, S., Ou, M., Yang, X., Huang, B., Liu, K. & Xue, Y., Oct 2021, In: Computers and Electronics in Agriculture. 189, 106384.

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 18
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  3. Published

    Automated detection and analysis of social behaviors among preweaning piglets using key point-based spatial and temporal features

    GAN, H., Ou, M., Huang, E., Xu, C., Li, S., Li, J. & Liu, K. & 1 others, Xue, Y., Sept 2021, In: Computers and Electronics in Agriculture. 188, 106357.

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 33
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  4. Published

    Cross-Modality Interaction Network for Equine Activity Recognition Using Imbalanced Multi-Modal Data

    Mao, A., Huang, E., Gan, H., Parkes, R. S. V., Xu, W. & Liu, K., Sept 2021, In: Sensors. 21, 17, 5818.

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 17
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  5. Published

    Capacity Limit of Deep Learning Methods on Scenarios of Pigs in Farrowing Pen under Occlusion

    Huang, E., Mao, A., Ceballos, M. C., Parsons, T. D. & Liu, K., Jul 2021, 2021 ASABE Annual International Virtual Meeting. American Society of Agricultural and Biological Engineers, Vol. 3. p. 1917-1924 (American Society of Agricultural and Biological Engineers Annual International Meeting, ASABE).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Scopus citations: 4
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  6. Published

    STATIC AND DYNAMIC SPACE USAGE OF LATE-GESTATION SOWS

    Leonard, S. M., Xin, H., Ramirez, B. C., Stinn, J. P., Dutta, S., Liu, K. & Brown-Brandl, T. M., 2021, In: Transactions of the ASABE. 64, 1, p. 151-159

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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  7. 2020
  8. Presented

    Deep learning-based assessment of laying-hen feather conditions using color and thermal images

    Huang, E., Mao, A., Liu, K. & Xue, Y., 20 Oct 2020, (Presented).

    Research output: Conference Papers › RGC 33 - Other conference paper › peer-review

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  9. 2019
  10. Published

    Characterization of a machine vision system to assess gestating sow space usage

    Leonard, S., Xin, H., Brown-Brandl, T. M., Ramirez, B. C., Stinn, J. P., Johnson, A. & Liu, K., Jul 2019, ASABE 2019 Annual International Meeting. American Society of Agricultural and Biological Engineers, 1900782. (ASABE Annual International Meeting).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Check@CityULib
  11. Published

    An RFID-Based Automated Individual Perching Monitoring System for Group-Housed Poultry

    Wang, K., Liu, K., Xin, H., Chai, L., Wang, Y., Fei, T. & Oliveira, J. & 2 others, Pan, J. & Ying, Y., Jun 2019, In: Transactions of the ASABE. 62, 3, p. 695-704 10 p.

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 14
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  12. 2018

  13. A RFID-Based Monitoring System for Characterization of Perching Behaviors of Individual Poultry

    Wang, K., Liu, K., Xin, H., Chai, L., Wang, Y., Fei, T. & Oliveira, J. & 2 others, Pan, J. & Ying, Y., Sept 2018, 10th International Livestock Environment Symposium (ILES X). American Society of Agricultural and Biological Engineers, ILES18-024. (International Livestock Environment Symposium, ILES).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Scopus citations: 3
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  14. Behavioral and Production Responses of W-36 Chicks to Supplementary UVA Light

    Liu, K., Wang, K., Fei, T., Chai, L. & Xin, H., Sept 2018, 10th International Livestock Environment Symposium (ILES X). American Society of Agricultural and Biological Engineers, ILES18-011. (International Livestock Environment Symposium, ILES ).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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  15. Computer Vision-Based Animal Preference Assessment-Do Laying Hen Chicks Prefer Light with UVA Radiation?

    Liu, K., Wang, K., Fei, T., Chai, L. & Xin, H., Jul 2018. 9 p.

    Research output: Conference Papers › RGC 32 - Refereed conference paper (without host publication) › peer-review

    Scopus citations: 6
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  16. A laboratory study on mitigation of particulate matter, ammonia and airborne bacteria from litter of cage-free layer housing

    Chai, L., Zhao, Y., Xin, H., Wang, T., Soupir, M. & Liu, K., Jun 2018, Animal Environment and Welfare: Proceedings of International Symposium. Ni, J.-Q., Lim, T.-T., Wang, C. & Zhao, L. (eds.). Beijing: China Agriculture Press, p. 97-104

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Check@CityULib

  17. Perch-shape preference and perching behaviors of young laying hens

    Liu, K., Xin, H., Shepherd, T. & Zhao, Y., Jun 2018, In: Applied Animal Behaviour Science. 203, p. 34-41

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 22
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  18. Effect of fluorescent vs. poultry-specific light-emitting diode lights on production performance and egg quality of W-36 laying hens

    Liu, K., Xin, H., Sekhon, J. & Wang, T., Mar 2018, In: Poultry Science. 97, 3, p. 834-844

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 26
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  19. Effects of light-emitting diode light v. fluorescent light on growing performance, activity levels and well-being of non-beak-trimmed W-36 pullets

    Liu, K., Xin, H. & Settar, P., Jan 2018, In: Animal. 12, 1, p. 106-115

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 16
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  20. MITIGATING AMMONIA AND PM GENERATION OF CAGE-FREE HENHOUSE LITTER WITH SOLID ADDITIVE AND LIQUID SPRAY

    Chai, L., Xin, H., Zhao, Y., Wang, T., Soupir, M. & Liu, K., 2018, In: Transactions of the ASABE. 61, 1, p. 287-294

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 29
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  21. 2017

  22. Effects of horizontal distance between perches on perching behaviors of Lohmann Hens

    Liu, K. & Xin, H., Sept 2017, In: Applied Animal Behaviour Science. 194, p. 54-61

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 7
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  23. Choice between LED and Fluorescent Lights by Pullets and Laying Hens

    Liu, K., Xin, H. & Chai, L., Jul 2017, 2017 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 1700029. (ASABE Annual International Meeting).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Scopus citations: 1
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  24. Mitigating Ammonia Emissions from Liquid-Sprayed Litter of Cage-Free Hen House with a Solid Litter Additive

    Chai, L., Xin, H., Zhao, Y., Wang, T., Soupir, M. & Liu, K., Jul 2017, 2017 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 1700279. (ASABE Annual International Meeting).

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Check@CityULib

  25. Precision livestock farming in egg production

    Xin, H. & Liu, K., Jan 2017, In: Animal Frontiers. 7, 1, p. 24-31

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Scopus citations: 15
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