Our most recent publications feature discoveries and novel uses of computer vision to monitor and track animal behaviour in livestock farming.
Publications can also be visited at Google Scholar.
2022
47. [Pre-print] A Teacher-to-Student Information Recovery Method Toward Energy-Efficient Animal Activity Recognition at Low Sampling Rates
Mao, A., Zhu, M., Huang, E. & Liu, K*.
46. [Journal] A Semi-Supervised Generative Adversarial Network for Amodal Instance Segmentation of Piglets in Farrowing Pens
Huang, E., He, Zheng., Mao, A., Xu, W., Ceballos, M. C., Parsons T. D., & Liu, K*.
45. [Pre-print] Are Children and Dogs Best Friends? A Scoping Review to Explore the Positive and Negative Effects of Child-Dog Interactions.
Giraudet, CSE*., Liu, K., McElligott, A. G*., Cobb, M.,
44. [Conference] Uniting farms: federated learning for sensory-based animal activity recognition
Mao, A., Huang, E., Gan, H., & Liu, K*., Uniting farms: federated learning for sensor-based animal activity recognition. 2022 European Conference on Precision Livestock Farming, Vetmeduni, Vienna, 29 August - 1 September 2022.
43. [Conference] Occlusion resistant spatiotemporal analysis of pig distribution pattern in farrowing pens using centrer clustering network.
Huang, E., Mao, A., Gan, H., & Liu, K*., Occlusion resistant spatiotemporal analysis of pig distribution pattern in farrowing pens using center clustering network. 2022 European Conference on Precision Livestock Farming, Vetmeduni, Vienna, 29 August - 1 September 2022.
Mao, A., Huang, E., Gan, H., & Liu, K*., Aug 2022, In: Animals. 12(16):2142.
41. [Journal] Automated detection and analysis of piglet suckling behaviour using high-accuracy amodal instance segmentation
Gan, H.*, Ou, M., Li, C., Wang, X., Guo, J., Mao, A., Ceballos, M. C., Parson., T. D., Liu, K.*, & Xue, Y.*, Aug 2022, In: Computers and Electronics in Agriculture. 199, 107162
Sun, Z., Yang, H., Liu, K., Yin, Z., Li, Z., & Xu., W.*, 16 Jun 2022, (Online published) In: ACM Transactions on Sensor Networks
Mao, A., Giraudet, C. S. E., Liu, K.*, De Almeida Nolasco, I., Xie, Z., Xie, Z., Gao, Y., Theobald, J., Bheatta, D., Stewart, R., & McElligot, A. G.*, Jun 2022. In: Journal of the Royal Society Interface. 19, 191, 20210921.
38. [Journal] Short-wavelength light induces broiler's behavioural and physiological syndrome through a misaligned eating rhythm
Yang, Y., Liu, Q., Wang, S., Zeng, L., Pan, C., Jado, A., E;hadidi, Y., Liu, K.*, & Pan, J*., May 2022, In: International Journal of gricultural and Biological Engineering. 15, 3. p. 47-54
Gan, H., Xu, C., Hou, W., Guo, J., Liu, K.*, & Xue, Y.*, May 2022, In: Biosystems and Engineering. 217, p. 102-114
2021
36. [Conference] A Key Frame Selection Method for Creating Deep Learning Training Set in Animal Research Involving Time-Series Video Data
Huang, E., Mao, A., Gan, H., & Liu, K.*, Oct 2021, Animal Environment and Welfare - Proceeedings of International Symposium. Ni, J., Wang-Li, L. & Wang, C (eds.). International research Center for Animal Environment and Welfare, p 287-294.
35. [Journal] Cross-Modality Interaction Network for Equine Activity Recognition Using Imbalanced Multi-Modal Data
Huang, E., Mao, A., Gan, H., Ceballos, M. C., Parsons, T. D., Xue, Y. & Liu, K.*, Oct 2021, In: Computers and Electronics in Agriculture. 189, 106417.
33. [Journal] 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
32. [Journal] 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.* & Xue, Y.*, , Sep 2021, In: Computers and Electronics in Agriculture. 188, 106357.
Mao, A., Huang, E., Xu, E., Liu, K*., (2021). Cross-modality interaction network for equine activity recognition using time-series motion data. 2021 International Symposium on Animal Environment and Welfare, Chongqing, China, 20-23 October 2021.
30. [Conference] A Key Frame Selection Method for Creating Deep Learning Training Set in Animal Research Involving Time-Series Video Data
29. [Conference] Capacity Limit of Deep Learning Methods on Scenarios of Pigs in Farrowing Pen under Occlusion
2020
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
27. [Conference] Sow lying behaviors before, during and after farrowing
Huang, E., Mao, A., Liu, K.*, & Xue, Y. (2020). Sow lying behaviors before, during and after farrowing. In Proc. of the Second Asian Precision Livestock Farming (2nd PLF-Asia) Conference. Beijing, China.
2019
26. [Journal] A radio frequency identification-based perching monitoring system for characterization of perching behaviors of individual poultry
Wang, K., Liu, K., Xin, H.*, Chai, L., Wang, Y., Fei, T., Oliveira, J., Pan, Ying., Y., Jun 2019, In: Transactions of the ASABE. 62, 3, p. 695-704 10 p.
2018
Liu, K., Xin, H.*, Shepherd, T. & Zhao, Y., Jun 2018, In: Applied Animal Behaviour Science. 203, p. 34-41
Liu, K., Xin, H.*, Sekhon, J. & Wang, T., Mar 2018, In: Poultry Science. 97, 3, p. 834-844
22. [Journal] Effects of light-emitting diode light v. fluorescent light on growing performance, activity levels and well-being of non-beak-trimmed W-36 pullets
Chai, L., Xin, H.*, Zhao, Y., Wang, T., Soupir, M. & Liu, K., 2018, In: Transactions of the ASABE. 61, 1, p. 287-294
Liu, K., Wang, K., Fei, T., Xin, H.*, & Chai. L., (2018). Behavioral and production responses of W-36 chicks to supplementary UVA light. ASABE Paper No. ILEX18-011, St Joseph, MI: ASABE. DOI: https//doi.org/10.13031/iles.18-011
19. [Conference] 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., Pan, J., & Ying, Y., (2018). A RFID-based monitoring system for characterization of perching behaviors of individual poultry. ASABE Paper No. ILEX18-024. St Joseph, MI: ASABE. DOI: https//doi.org/10.13031/iles.18-024
Liu, K., Wang, K., Fei, T., Xin, H.,* & Chai, L. (2018). Computer vision-based animal preference assessment - do laying hen chicks prefer light supplemented with UVA radiation? ASABE Paper No. 1800193, St Joseph, MI: ASABE. DOI: https//doi.org/10.13031/aim.201800193
17. [Conference] Behavior and production responses of W-36 chicks to supplementary UVA light (abstract)
Liu, K., Wang, K., Fei, T., Xin, H.*, & Chai, L. (2018). Behavior and production responses of W-36 chicks to supplementary UVA light (abstract). In Proc. of the Poultry Science Association 2018 Annual Meeting. San Antonio, Texas, USA, July 23-26, 2018.
2017
Liu, K., Xin, H.* & Chai, L., 2017, In: Transactions of the ASABE. 60, 6, p. 2185-2195
Liu, K. & Xin, H.*, Sep 2017, In: Applied Animal Behaviour Science. 194, p. 54-61
Xin, H.* & Liu, K., Jan 2017, In: Animal Frontiers. 7, 1, p. 24-31
Li, L., Zhao, Y., Oliveira, J., Verhoijsen, W., Liu, K. & Xin, H.*, 2017, In: Transactions of the ASABE. 60, 4, p. 1337-1347
Chai, L., Zhao, Y., Xin, H.*, Wang, T., Atilgan, A., Soupir, M. & Liu, K., In; Transactions of the ASABE. 60. 2, p. 497-506
Chai, L., Zhao, Y., Xin, H.*, Wang, T., Soupir, M. & Liu, K., (2017). A laboratory study on mitigation of particulate matter, ammonia and airborne bacteria from litter of cage-free layer housing. In Proc. of the 2017 International Symposium on Animal Environment and Welfare. Chongqing, China, 23-26 October 2017.
Liu, K., Xin, H.* & Chai, L., (2017). Choice between LED and fluorescent lights by pullets and laying hens. ASABE Paper No. 1700029. St Joseph, MI: ASABE. DOI: https//dx.doi.org/10.13031/aim.201700029
Chai, L., Xin, H.*, Zhao, Y., Wang, T., Soupir, M., & Liu, K. (2017). Mitigating ammonia emissions from liquid-sprayed litter of cage-free hen house with a solid litter additive. ASABE Paper No. 1700279. St Joseph, MI: ASABE. DOI: https//dx.doi.org/10.13031/aim.201700279
2016
Yang, Y., Jiang, J., Wang, Y., Liu, K., Teng. G., & Xin. H., 2016, In; Transactions of the ASABE, 59, 5, p. 1361-1370
Lao, F., Brown-Brandl, T. M., Stinn, J. P., Liu, K., Teng, G., & Xin H, 2016, In: Computer and Electronics in Agriculture, 1259, p. 56-62
Zhao, Y., Zhao, D., Ma, H., Liu, K., Atilgan, A., & Xin, H, 2016, In: Poultry Science. 97, 7, p. 1473-1481
5. [Conference] Sow lying behaviors before, during and after farrowing
Lao, F., Brown-Brandl, T. M., Stinn, J. P., Teng, G., Liu, K., Leonard, S. M., & Xin, H.* (2016). Sow lying behaviors before, during and after farrowing. In Proc. of the First Asian Precision Livestock Farming (1st PLF-Asia) Conference. Beijing, China, 9-11 September 2016, eds. G. Zhang, C. Wang, W. Zheng and D. Berckmans, pp177-179.
4. [Conference] Preference of W-36 pullets between a commercial LED light and a typical CFL light
Liu, K., Chai, L., & Xin, H.* (2016). Preference of W-36 pullets between a commercial LED light and a typical CFL light. In Proc. of the First Asian Precision Livestock Farming (1st PLF-Asia) Conference. Beijing, China, 9-11 September 2016, eds. G. Zhang, C. Wang, W. Zheng and D. Berckmans, pp121-123.
3. [Conference] Reduction of particulate matter and ammonia by spraying acidic electrolyzed water onto litter of aviary hen houses - a lab-scale study
Chai, L., Zhao, Y., Xin, H.*, Wang, T., Atilgan, A., Soupir, M., & Liu, K. (2016) Reduction of particulate matter and ammonia by spraying acidic electrolyzed water onto litter of aviary hen houses – a lab-scale study. ASABE Paper No. 162455276. St Joseph, MI: ASABE. DOI: https//dx.doi.org/10.13031/aim.20162455276
2. [Conference] Nesting behaviors and egg production pattern of laying hens in enriched colony housing
Oliveira, J., Xin, H.*, Zhao, Y., Li, L., Liu, K., & Glaess, K. (2016). Nesting behaviors and egg production pattern of laying hens in enriched colony housing. ASABE Paper No. 162456546. St Joseph, MI: ASABE. DOI: https//dx.doi.org/10.13031/aim.20162456546