Tadamasa Sawada, PhD

Adjunct Lecturer

Tadamasa Sawada joined CSE as an Adjunct Lecturer in 2023. Tadamasa Sawada has worked as a post-doc researcher for 8 years in the United States (Purdue University, the Ohio State University, and SUNY Optometry) and has worked as an assistant professor for 7 years at HSE University in Russia. He has research interests in computational modeling of the human visual system, applications of statistics, and applications of XR.

Higher Education

2006, PhD in Information Processing

Tokyo Institute of Technology

2003, Master in Information Processing

Tokyo Institute of Technology

2001, Bachelor in Electrical and Electronic Engineering

Tokyo Institute of Technology

Courses taught:

  • Design and Analysis of Experiments

Publications:

  1. Sawada, T., & Dvoeglazova, M. (2023). Commentary: Rectangularity is stronger than symmetry in interpreting 2D pictures as 3D objects. Frontiers in Human Neuroscience, 17: 1138287. https://doi.org/10.3389/fnhum.2023.1138287
  2. Sawada, T., & Pizlo, Z. (2023). Geometrical properties of a generalized cone and its 2D image. Journal of Mathematical Psychology, 114, 102765. https://doi.org/10.1016/j.jmp.2023.102765
  3. Sawada, T., & Farshchi, M. (2022). Visual detection of 3D mirror-symmetry and 3D rotational-symmetry. Visual Cognition, 30(8), 546-563. https://doi.org/10.1080/13506285.2022.2139314
  4. Sawada, T., Huang, L., & Koryakov, O. Y. (2022). Some misunderstandings in psychology about confidence intervals. Frontiers in Psychology, 13: 948423. https://doi.org/10.3389/fpsyg.2022.948423
  5. Sawada, T., & Pizlo, Z. (2022). Testing a formal theory of perception is not easy: Comments on Yu, Todd & Petrov (2021) and Yu, Petrov & Todd (2021). Journal of Vision, 22(4):15, 1-4. https://doi.org/10.1167/jov.22.4.15
  6. Sawada, T., Mendoza Arvizu, A., Farshchi, M., & Kiba, A. (2022). Navigation in contour-drawn scenes using augmented reality. i-Perception, 13(1), 1-4. https://doi.org/10.1177/20416695221074707
  7. Sawada, T. (2021). Recovering depth from stereo-input without using any oculomotor information: A computation model. Journal of Mathematical Psychology, 102, 102538, 1-9. https://doi.org/10.1016/j.jmp.2021.102538
  8. Sawada, T. (2021). Conditions of the central-limit theorem are rarely satisfied in empirical psychological studies. Frontiers in Psychology, 12: 762418. https://doi.org/10.3389/fpsyg.2021.762418
  9. Farshchi, M., Kiba, A., & Sawada, T. (2021). Seeing our 3D world while only viewing contour-drawings. PloS One, 16(1), e0242581. https://doi.org/10.1371/journal.pone.0242581
  10. Dvoeglazova, M., Koshmanova, E., & Sawada, T. (2021). Visual sensitivity to parallel configurations of contours compared with sensitivity to other configurations. Vision Research, 188, 149-161. https://doi.org/10.1016/j.visres.2021.07.006
  11. Minkov V., & Sawada T. (2021). Theoretical treatment of limitations inherent in simple 3D stimuli: Triangles and the P3P problem. MDPI Vision, 5(1), 10. https://doi.org/10.3390/vision5010010
  12. Mischenko, E., Negishi, I., Gorbunova, E. S., & Sawada, T. (2020). Examining the role of familiarity in the perception of depth. MDPI Vision, 4(2), 21. https://doi.org/10.3390/vision4020021
  13. Sawada, T. (2020). Influence of 3D centro-symmetry on a 2D retinal image. MDPI Symmetry, 12(11), 1863. https://doi.org/10.3390/sym12111863
  14. Sawada, T., & Rozhkova, G. I. (2020). Two rediscoveries of the autostereogram in the 1960s. i-Perception, 11(1), 2041669520908895. https://doi.org/10.1177/2041669520908895
  15. Koshmanova, E. & Sawada, T. (2019). Perceiving perpendicular and parallel contours in the frontoparallel plane. Vision Research, 154, 97-104. https://doi.org/10.1016/j.visres.2018.11.003
  16. Sawada, T. & Zaidi, Q. (2018). Rotational-symmetry in a 3D scene and its 2D image. Journal of Mathematical Psychology, 87, 108-125. https://doi.org/10.1016/j.jmp.2018.10.001
  17. Jayadevan, V. T., Sawada, T., Delp, E., & Pizlo, Z. (2018). Perception of 3D symmetrical and nearly symmetrical shapes. MDPI Symmetry, 10, 8:344, 1-24. https://doi.org/10.3390/sym10080344
  18. Sawada, T., & Petrov, A.A. (2017). The divisive-normalization model of V1 neurons: A comprehensive comparison of physiological data and model predictions. Journal of Neurophysiology, 118, 3051-3091. https://doi.org/10.1152/jn.00821.2016
  19. Kwon, T., Li, Y., Sawada, T., & Pizlo, Z. (2016). Gestalt-like constraints produce veridical (Euclidean) percepts of 3D indoor scenes. Vision Research, 126, 264-277. https://doi.org/10.1016/j.visres.2015.09.011
  20. Sawada, T., Li, Y., & Pizlo, Z. (2015). Shape perception. In J. Busemeyer, J. Townsend, Z. J. Wang, & A. Eidels (Eds.), Oxford Handbook of Computational and Mathematical Psychology (pp. 255-276). New York, NY: Oxford University Press.
  21. Sawada, T., Li, Y., & Pizlo, Z. (2014). Detecting 3D mirror-symmetry in a 2D camera image. Proceedings of IEEE, 102(10), 1588-1606. https://doi.org/10.1109/JPROC.2014.2344001
  22. Li, Y., Sawada, T., Shi, Y., Steinman, R.M., & Pizlo, Z. (2013). Symmetry is the sine qua non of shape. In S. Dickinson & Z. Pizlo (Eds.), Shape perception in Human & Computer Vision (pp. 21-40). New York, NY: Springer. https://doi.org/10.1007/978-1-4471-5195-1_2
  23. Li, Y., Sawada, T., Latecki, L.M., Steinman, R.M., & Pizlo, Z. (2012). A tutorial explaining a machine vision model that emulates human performance when it recovers natural 3D scenes from 2D images. Journal of Mathematical Psychology, 56(4), 217-231. https://doi.org/10.1016/j.jmp.2012.07.001
  24. Sawada, T., Li, Y., & Pizlo, Z. (2011). Any pair of 2D curves is consistent with a 3D symmetric interpretation. MDPI Symmetry, 3(2), 365-388. https://doi.org/10.3390/sym3020365
  25. Sawada, T., Li, Y., & Pizlo, Z. (2011). Symmetry, shapes and surfaces. In C. W. Tyler (Ed.), Computational Vision: From Surfaces to Objects (pp. 113-124). Boca Raton, FL: Chapman Hall/CRC.
  26. Li, Y., Sawada, T., Shi, Y., Kwon, T., & Pizlo, Z. (2011). A Bayesian model of binocular perception of 3D mirror symmetrical polyhedra. Journal of Vision, 11(4):11, 1-20. https://doi.org/10.1167/11.4.11
  27. Tsuruhara, A., Sawada, T., Kanazawa, S., Yamaguchi, M., Corrow, S., & Yonas, A. (2010). The development of the ability of infants to utilize static cues to create and access representations of object shape. Journal of Vision, 10(12):2, 1-11. https://doi.org/10.1167/10.12.2
  28. Sawada, T. (2010). Visual detection of symmetry of 3D shapes. Journal of Vision, 10(6):4, 1-22. https://doi.org/10.1167/10.6.4
  29. Pizlo, Z., Sawada, T., Li, Y., Kropatsch, W., & Steinman, R.M. (2010). New approach to the perception of 3D shape based on veridicality, complexity, symmetry and volume. Vision Research, 50(1), 1-11. https://doi.org/10.1016/j.visres.2009.09.024
  30. Tsuruhara, A., Sawada, T., Kanazawa, S., Yamaguchi, M., & Yonas, A. (2009). Infant's ability to form a common representation of an object's shape from different pictorial depth cues: A transfer-across-cues study. Infant Behavior and Development, 32(4), 468-475. https://doi.org/10.1016/j.infbeh.2009.09.002
  31. Sawada, T., & Pizlo, Z. (2008). Detection of skewed symmetry. Journal of Vision, 8(5):14, 1-18. https://doi.org/10.1167/8.5.14
  32. Sawada, T., & Pizlo, Z. (2008). There is no royal road to vision science. Review of Seeing Spatial Form, by Jenkin, M.R.M., & Harris, L.R. eds. Perception, 37(10), 1612-1616. https://doi.org/10.1068/p3710rvw

Research database ID:

https://scholar.google.com/citations?user=4oVVaZ4AAAAJ&hl=en

Awards:

Best Academic Supervisors, HSE University, 2019. https://www.hse.ru/en/best/2019nirs/

Letter of recognition for major contributions to the department of cognitive research at the school of Psychology, HSE University, 2019.

Fred Brown Research Award for Sawada & Petrov (2017, Journal of Neurophysiology) at the Ohio State University.

Dr. A. Louis Medin award (third place poster paper) for the 13th NDIA Annual Science & Engineering Technology Conference/Defense Tech Exposition, 2012.

Office location: 333W/PAB