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Wei-Lun Chao

  • Assistant Professor, Computer Science & Engineering
  • 587 Dreese Laboratories
    2015 Neil Avenue
    Columbus, OH 43210

Journal Articles


  • Shree, V.; Chao, W.L.; Campbell, M., 2020, "Interactive natural language-based person search." IEEE Robotics and Automation Letters 5, no. 2, 1851-1858 - 1851-1858.
  • Changpinyo, S.; Chao, W.L.; Gong, B.; Sha, F., 2020, "Classifier and Exemplar Synthesis for Zero-Shot Learning." International Journal of Computer Vision 128, no. 1, 166-201 - 166-201.


  • Wang, B.H.; Chao, W.L.; Wang, Y.; Hariharan, B. et al., 2019, "LDLS: 3-D Object Segmentation Through Label Diffusion from 2-D Images." IEEE Robotics and Automation Letters 4, no. 3, 2902-2909 - 2902-2909.
  • Chao, W-L.; Manickavasagan, H.; Krishna, S.G., 2019, "Application of Artificial Intelligence in the Detection and Differentiation of Colon Polyps: A Technical Review for Physicians.." Diagnostics (Basel) 9, no. 3,


  • Chao, W.L.; Ding, J.J.; Liu, J.Z., 2015, "Facial expression recognition based on improved local binary pattern and class-regularized locality preserving projection." Signal Processing 117, 1-10 - 1-10.


  • Chao, W.L.; Liu, J.Z.; Ding, J.J., 2013, "Facial age estimation based on label-sensitive learning and age-oriented regression." Pattern Recognition 46, no. 3, 628-641 - 628-641.


  • Chang, F.J.; Pei, S.C.; Chao, W.L., 2012, "Color constancy by chromaticity neutralization." Journal of the Optical Society of America A: Optics and Image Science, and Vision 29, no. 10, 2217-2225 - 2217-2225.

Papers in Proceedings


  • Chou, S-H.; Chao, W-L.; Lai, W-S.; Sun, M. et al. "Visual Question Answering on 360° Images.." (1 2020).


  • Wang, Y.; Chao, W.L.; Garg, D.; Hariharan, B. et al. "Pseudo-lidar from visual depth estimation: Bridging the gap in 3D object detection for autonomous driving." (6 2019).
  • You, Y.; Wang, Y.; Chao, W-L.; Garg, D. et al. "Pseudo-LiDAR++: Accurate Depth for 3D Object Detection in Autonomous Driving.." (1 2019).
  • Zhang, C.; Chao, W-L.; Xuan, D. "An Empirical Study on Leveraging Scene Graphs for Visual Question Answering.." (1 2019).
  • Hu, S.; Yu, T.; Guo, C.; Chao, W-L. et al. "A New Defense Against Adversarial Images: Turning a Weakness into a Strength.." (1 2019).
  • Shree, V.; Chao, W.L.; Campbell, M. "An Empirical Study of Person Re-Identification with Attributes." (10 2019).
  • Diaz-Ruiz, C.; Wang, Y.; Chao, W.L.; Weinberger, K. et al. "Vision-only 3D tracking for self-driving cars." (8 2019).


  • Sha, F.; Chao, W.L.; Hu, H. "Learning Answer Embeddings for Visual Question Answering." (12 2018).
  • Chao, W-L.; Hu, H.; Sha, F. "Being Negative but Constructively: Lessons Learnt from Creating Better Visual Question Answering Datasets.." (1 2018).
  • Sha, F.; Hu, H.; Chao, W.L. "Cross-Dataset Adaptation for Visual Question Answering." (12 2018).


  • Changpinyo, S.; Chao, W.L.; Sha, F. "Predicting Visual Exemplars of Unseen Classes for Zero-Shot Learning." (12 2017).


  • Chao, W-L.; Changpinyo, S.; Gong, B.; Sha, F. "An Empirical Study and Analysis of Generalized Zero-Shot Learning for Object Recognition in the Wild.." (1 2016).
  • Zhang, K.; Chao, W.L.; Sha, F.; Grauman, K. "Video summarization with long short-term memory." (1 2016).
  • Zhang, K.; Chao, W.L.; Sha, F.; Grauman, K. "Summary transfer: Exemplar-based subset selection for video summarization." (12 2016).
  • Changpinyo, S.; Chao, W.L.; Gong, B.; Sha, F. "Synthesized classifiers for zero-shot learning." (12 2016).


  • Chao, W.L.; Gong, B.; Grauman, K.; Sha, F. "Large-margin determinantal point processes." (1 2015).
  • Chao, W.L.; Solomon, J.; Michels, D.L.; Sha, F. "Exponential integration for Hamiltonian Monte Carlo." (1 2015).


  • Gong, B.; Chao, W.L.; Grauman, K.; Sha, F. "Diverse sequential subset selection for supervised video summarization." (1 2014).


  • Chao, W.L.; Liu, J.Z.; Ding, J.J.; Wu, P.H. "Facial expression recognition using expression-specific local binary patterns and layer denoising mechanism." (1 2013).


  • Chao, W.L.; Liu, J.Z.; Ding, J.J. "Facial age estimation based on label-sensitive learning and age-specific local regression." (10 2012).


  • Ding, J.J.; Wang, Y.H.; Hu, L.L.; Chao, W.L. et al. "Muscle injury determination by image segmentation." (12 2011).
  • Chao, W.L.; Su, H.H.; Chien, S.Y.; Hsu, W. et al. "Coarse-to-fine temporal optimization for video retargeting based on seam carving." (11 2011).


  • Ding, J.J.; Chao, W.L.; Huang, J.D.; Kuo, C.J. "Asymmetric Fourier descriptor of non-closed segments." (12 2010).