Schepens Eye Research Institute, Harvard Medical School

Vision Research and Technology Lab

Peer reviewed journal papers
  1. Luo G, Lee C-Y, Wang Z, Shivshanker P, Jiang Y, Pundlik S. Subjective Refraction Test Using a Smartphone for Vision Screening. JoVE. 2024(212):e67506.
  2. Wang L, Shi C, Pundlik S, Yang X, Liu L, Luo G. LLD-GAN: An end-to-end network for low-light image demosaicking. Displays. 2024;85:102856.
  3. Pundlik S, Tomasi M, Houston K, Kumar A, Shivshanker P, Bowers, A, Peli E, Luo G. (2024). Gaze Scanning on Mid-Block Sidewalks by Pedestrians with Homonymous Hemianopia With or Without Spatial Neglect. Investigative Ophthalmology & Visual Science, 65(8), 46. doi:10.1167/iovs.64.14.26.
  4. Pundlik S, Shivshanker P, Bowers A, Luo G (2024). Use of ChatGPT Among Blind and Visually Impaired Individuals. Journal of Visual Impairment & Blindness 118 (2). doi:10.1177/0145482X241248578.
  5. Wang Z, Kempen J, Luo G. (2024). Using Smartphones to Enhance Vision Screening in Rural Areas: Pilot Study.JMIR Formative Research;8:e55270.
  6. Pundlik S, Luo G. (2024). Investigation of Population-Based Fall Risk in Eye Diseases. JAMA Ophthalmology. 142(2):106?07. doi:10.1001/jamaophthalmol.2023.6102.
  7. Pundlik S., Shivshanker P., Traut-Savino T., & Luo G. (2024). Field Evaluation of a Mobile App for Assisting Blind and Visually Impaired Travelers to Find Bus Stops. Translational Vision Science & Technology, 13(1), 11-11. doi:10.1167/tvst.13.1.11.
  8. Pundlik S., & Luo G. (2023). Investigation of Population-Based Fall Risk in Eye Diseases. JAMA Ophthalmology. doi:10.1001/jamaophthalmol.2023.6102.
  9. Pundlik S, Shivshanker P., Nigalye A., Luo G*, & Husain D*. (2023). Evaluation of a mobile app for dark adaptation measurement in individuals with age-related macular degeneration. Scientific Reports, 13(1), 22191. doi:10.1038/s41598-023-48898-5.
  10. Pundlik, S., Tomasi, M., Houston, K. E., Kumar, A, . . . Luo, G. (2023). Gaze Scanning at Street Crossings by Pedestrians With Homonymous Hemianopia With and Without Hemispatial Neglect. Investigative Ophthalmology & Visual Science, 64(14), 26-26. doi:10.1167/iovs.64.14.26.
  11. Luo G, Pundlik S (2023). Widespread Errors in Bus Stop Location Mapping is an Accessibility Barrier for Passengers Who are Blind or Have Low Vision. Journal of Visual Impairment & Blindness, 117(5), 396-398.
  12. Cheng W, Li L, Luo G*, & Wang Y* (2023). Using a smartphone app in the measurement of posture-related pupil center shift on centration during corneal refractive surgery. Frontiers in Cell and Developmental Biology, 11. doi:10.3389/fcell.2023.1174122.
  13. Pundlik S., Shivshanker P., & Luo G. (2023). Impact of Apps as Assistive Devices for Visually Impaired Persons. Annual Review of Vision Science, 9(1), doi:10.1146/annurev-vision-111022-123837.
  14. Shi C., He J., Pundlik S., Zhou X., Wu N., & Luo G. (2023). Low-Cost Real-Time VLSI System for High-Accuracy Optical Flow Estimation Using Biological Motion Features and Random Forests. SCIENCE CHINA Information Sciences. 66, 159401. doi:10.1007/s11432-021-3473-1.
  15. Nagarajan, K., Luo, G., Narasimhan, M., & Satgunam, P. (2022). Children With Amblyopia Make More Saccadic Fixations When Doing the Visual Search Task. Investigative Ophthalmology & Visual Science, 63(13), 27-27.
  16. Houston K., Peli E., Luo G., Bowers A., & Woods R. (2022). Effects of Perceptual-motor Training on Collision Judgments with Peripheral Prism Expanded Vision. Optometry and Vision Science, 99(12), 875-884.
  17. Li L, Xue H, Lai T, Xue Y, & Luo G. (2022). Comparison of compliance among patients with pediatric amblyopia undergoing virtual reality-based and traditional patching method training. Frontiers in public health. 10. doi:10.3389/fpubh.2022.1037412.
  18. Luo G, Pundlik S. Usage patterns of Head-mounted vision assistance app as compared to handheld video Magnifier. Displays. 2022; 75: 102303.
  19. Kumar A, Pundlik S, Peli E, Luo G. Comparison of visual SLAM and IMU in tracking head movement outdoors. Behav Res Methods. 2022. doi: 10.3758/s13428-022-01941-1.
  20. Luo G, Lee C-Y, Shivshanker P, Cheng W, Wang J, Marusic S, Raghuram A, Jiang Y, Liu R. Preliminary Evaluation of a Smartphone App for Refractive Error Measurement. Translational Vision Science & Technology, 2022;11(2), 40-40. doi:10.1167/tvst.11.2.40
  21. He Z, Shi C, Wang T, Wang Y, Tian M, Zhou X, et al. A Low-Cost FPGA Implementation of Spiking Extreme Learning Machine With On-Chip Reward-Modulated STDP Learning. IEEE Transactions on Circuits and Systems II: Express Briefs. 2022;69(3):1657-1661.
  22. Wang T, Shi C, Zhou X, Lin Y, He J, Gan P, Li P, Wang Y, Liu L, Wu N, Luo G. CompSNN: A lightweight spiking neural network based on spatiotemporally compressive spike features. Neurocomputing. 2021;425:96-106.
  23. Shi C., He J., Pundlik S., Zhou X., Wu N., & Luo G. (2022). Low-Cost Real-Time VLSI System for High-Accuracy Optical Flow Estimation Using Biological Motion Features and Random Forests. SCIENCE CHINA Information Sciences. doi:https://doi.org/10.1007/s11432-021-3473-1.
  24. Pundlik S, Nigalye A, Laíns I, Mendez KM, Katz R, Kim J, Kim IK, Miller JB, Vavvas D, Miller JW, Luo G*, Husain D*. Area under the dark adaptation curve as a reliable alternate measure of dark adaptation response. British Journal of Ophthalmology. 2021. 106(10), 1450-1456.
  25. Pundlik S, Baliutaviciute V, Moharrer M, Bowers AR, Luo G. Home-Use Evaluation of a Wearable Collision Warning Device for Individuals With Severe Vision Impairments: A Randomized Clinical Trial. JAMA Ophthalmology. 2021. 139(9):998-1005
  26. Nigalye A, Pundlik S, Kim J, Luo G, Husain D. Delayed dark adaptation in central serous chorioretinopathy. American Journal of Ophthalmology Case Reports. 2021;22:101098.
  27. Luo G, Pundlik S. Influence of COVID-19 Lockdowns on the Usage of a Vision Assistance App Among Global Users With Visual Impairment: Big Data Analytics Study. Journal of Medical Internet Research. 2021;23(5):e26283.
  28. Luo G. What visual targets are viewed by users with a handheld mobile magnifier app. Translational Vision Science & Technology. 2021;10(3):16. doi:10.1167/tvst.10.3.16.
  29. Lains I, Pundlik SJ, Nigalye A, Katz R, Luo G, Kim IK, Vavvas DG, Miller JW, Miller JB, Husain D. Baseline Predictors Associated with Three-Year Changes in Dark Adaptation in Age-related Macular Degeneration. Retina. 2021. 41(10), 2098-2105.
  30. Keilty M, Houston KE, Collins C, Trehan R, Chen Y-T, Merabet L, Watts A, Pundlik S, Luo G. Inpatient Virtual Vision Clinic Improves Access to Vision Rehabilitation Before and During the COVID-19 Pandemic. Archives of Rehabilitation Research and Clinical Translation. 2021;3(1):100100. doi:10.1016/j.arrct.2020.100100.
  31. Cheng W, Lynn MH, Pundlik S, Almeida C, Luo G, Houston K. A smartphone ocular alignment measurement app in school screening for strabismus. BMC Ophthalmology. 2021;21(1):150. doi:10.1186/s12886-021-01902-w.
  32. Wang S, Moharrer M, Baliutaviciute V, Dougherty BE, Cybis W, Bowers AR, Luo G. Bioptic Telescope Use in Naturalistic Driving by People with Visual Impairment. Translational Vision Science & Technology. 2020;9(4):11.
  33. Wang S, Li J, Yang P, Gao T, Bowers AR, Luo G. Towards Wide Range Tracking of Head Scanning Movement in Driving. International Journal of Pattern recognition and artificial intelligence. 2020;34(13):2050033. doi:10.1142/S0218001420500330.
  34. Tang X, Bronstad M, Doherty AL, Moharrer M, Peli E, Luo G, Bowers AR. Hazard detection with monocular bioptic telescopes in a driving simulator. Translational Vision Science & Technology. 2020;9(4):26.
  35. Shi C, Pundlik S, Luo G. Without low spatial frequencies, high resolution vision would be detrimental to motion perception. J Vis. 2020;20(8):29. doi:10.1167/jov.0.0.07110.
  36. Pundlik S, Baliutaviciute V, Moharrer M, Bowers AR, Luo G. Data Acquisition, Processing, and Reduction for Home-Use Trial of a Wearable Video Camera-Based Mobility Aid. Translational Vision Science & Technology. 2020;9(7):14. doi:10.1167/tvst.9.7.14.
  37. Moharrer M, Wang S, Dougherty BE, Cybis W, Ott BR, Davis JD, Luo G. Evaluation of the driving safety of visually impaired bioptic drivers based on critical events in naturalistic driving. Translational Vision Science & Technology. 2020;9(8):14.
  38. Moharrer M, Wang S, Davis J, Ott B, Luo G. Driving safety of cognitively impaired drivers based on near collisions in naturalistic driving. Journal of Alzheimer’s Disease Reports. 2020;4(1):1-7. doi:10.3233/ADR-190159. PMC7029310.
  39. Moharrer M, Tang X, Luo G. With motion perception, good visual acuity is not necessary for driving hazard detection. Translational Vision Science & Technology. 2020;9(13):18. doi:0.1167/tvst.9.13.18.
  40. Lynn MH, Luo G, Tomasi M, Pundlik S, E. Houston K. Measuring Virtual Reality Headset Resolution and Field of View: Implications for Vision Care Applications. Optom Vis Sci. 2020;Pre-Publication. doi:10.1097/opx.0000000000001541.
  41. Luo G, Pundlik S, Tomasi M, Houston K. Using an Automated Hirschberg Test App to Evaluate Ocular Alignment. J Vis Exp 2020(157):e60908. doi:10.3791/60908 (2020).
  42. Luo G. How 16,000 people used a smartphone magnifier app in their daily lives. Clinical and Experimental Optometry. 2020;103(6):847-852. doi:10.1111/cxo.12996. 31773801.
  43. Zheng J, Li B, Xin M, Luo G. Structured fragment-based object tracking using discrimination, uniqueness, and validity selection. Multimedia Systems. 2019;25(5):487-511. doi:10.1007/s00530-017-0556-7. PMC7009019. NIHMS897956.
  44. Pundlik S, Singh A, Baghel G, Baliutaviciute V, Luo G. (2019) A Mobile Application for Keyword Search in Real-World Scenes. IEEE Journal of Translational Engineering in Health and Medicine. 7, 1-10. doi:10.1109/JTEHM.2019.2935451.
  45. Shi C, Dong Z, Pundlik S, Luo G. A Hardware-Friendly Optical Flow-Based Time-to-Collision Estimation Algorithm. Sensors. 2019;19(4):807.
  46. Pundlik S, Tomasi M, Liu R, Houston K, Luo G. Development and Preliminary Evaluation of a Smartphone App for Measuring Eye Alignment. Translational Vision Science & Technology. 2019;8(1):19-19. doi:10.1167/tvst.8.1.19.
  47. Pundlik S, Luo G. Preliminary Evaluation of a Mobile Device for Dark Adaptation Measurement. Translational Vision Science & Technology. 2019;8(1):1-11. doi:10.1167/tvst.8.1.11.
  48. Wang S, Ott B, Luo G. Detection of lane-change events in low-resolution naturalistic driving. International Journal of Pattern recognition and artificial intelligence. 2018;32(10).
  49. Wang S, Luo G. Naturalness Preserved Image Enhancement Using a priori Multi-Layer Lightness Statistics. IEEE Transactions on Image Processing. 2018;27(2):938-948.
  50. Shi C, Yuan X, Chang K, Cho K-S, Xie XS, Chen DF, Luo G. Optimization of Optomotor Response-based Visual Function Assessment in Mice. Scientific Reports. 2018;8:9708.
  51. Shi C, Luo G. A Streaming Motion Magnification Core for Smart Image Sensors. IEEE Transactions on Circuits and Systems II: Express Briefs. 2018;65(9):1229-1233.
  52. Shi C, Luo G. A Compact VLSI System for Bio-inspired Visual Motion Estimation. IEEE Transactions on Circuits and Systems for Video Technology 2018;28(4):1021-1036.
  53. Shi C, Li J, Wang Y, Luo G. Exploiting Lightweight Statistical Learning for Event-Based Vision Processing. IEEE Access. 2018;6(1):19396-19406.
  54. Satgunam P, Luo G. Does central vision loss impair visual search performance of adults more than children? Optom Vis Sci. 2018;95(5):452-456.
  55. Pundlik S, Tomasi M, Moharrer M, Bowers A, Luo G. Preliminary Evaluation of a Wearable Camera-based Collision Warning Device for Blind Individuals. Optom Vis Sci. 2018;95(9):747-756.
  56. Davis J, Wang S, Festa E, Luo G, Moharrer M, Bernier J, Ott B. Detection of Risky Driving Behaviors in the Naturalistic Environment in Healthy Older Adults and Mild Alzheimer's Disease. Geriatrics. 2018;3(2):13.
  57. Bowers AR, Bronstad M, Spano L, Huq B, Tang X, Doherty A, Peli E, Luo G. Evaluation of a Paradigm to Investigate Detection of Road Hazards when Using a Bioptic Telescope. Optom Vis Sci. 2018;95(9):785-794.
  58. Wu C, Yu D, Doherty A, Zhang T, Kust L, Luo G. An Investigation of Perceived Vehicle Speed from a Driver's Perspective. PLoS One. 2017;12(10):1-11.
  59. Wang S, Woods RL, Costela FM, Luo G. Dynamic gaze-position prediction of saccadic eye movements using a Taylor series. J Vis. 2017;17(14):3-3.
  60. Pundlik S, Yi H, Liu R, Peli E, Luo G. Magnifying Smartphone Screen using Google Glass for Low-Vision Users. IEEE Transactions on Neural Systems and Rehabilitation Engineering. 2017;25(1):52-61.
  61. Tomasi M, Pundlik S, Luo G. FPGA-DSP co-processing for feature tracking in smart video sensors. Journal of Real-Time Image Processing. 2016;11(4):751-767.
  62. Tomasi M, Pundlik S, Bowers A, Peli E, Luo G. Mobile Gaze Tracking System for Outdoor Walking Behavioral Studies. J Vis. 2016;16(3):27.
  63. Yu D, Zheng J, Zhu R, Wu N, Guan A, Cho K-S, Chen DF, Luo G. Computer-aided analyses of mouse retinal OCT images - An actual application report. Ophthalmic Physiol Optics. 2015;35(4):442-449.
  64. Pundlik S, Tomasi M, Luo G. Evaluation of a portable collision warning device for patients with peripheral vision loss in an obstacle course. Invest Ophthamol Vis Sci. 2015;56(4):2571-2579.
  65. Houston KE, Woods RL, Goldstein RB, Peli E, Luo G, Bowers AR. Asymmetry in the Collision Judgments of People With Homonymous Field Defects and Left Hemispatial NeglectAsymmetry in Collision Judgments. Invest Ophthalmol Vis Sci. 2015;56(6):4135-4142.
  66. Doherty A, Peli E, Luo G. Hazard Detection with a Monocular Bioptic Telescope. Ophthalmic Physiol Optics. 2015;35:530-539.
  67. Luo G, Garaas T, Pomplun M. Salient stimulus attracts focus of peri-saccadic mislocalization. Vision Res. 2014;100:93-98.
  68. Huang L, Sun X, Luo G, Liu S, Liu R, Mansouri B, Wong Vwl, Wen W, Liu H, Wang A. Inter-ocular shift of visual attention enhances stereopsis and visual acuities of anisometropic amblyopes beyond the critical period of visual development - a novel approach. Journal of Ophthalmology. 2014;2014(Article 615213):1-6.
  69. Han P, Saunders D, Woods R, Luo G. Trajectory prediction of saccadic eye movements using a compressed exponential model. J Vis. 2013;13(8):27.
  70. Doherty AL, Bowers AR, Luo G, Peli E. The effect of strabismus on object detection in the ring scotoma of a monocular bioptic telescope. Ophthalmic Physiol Optics. 2013;33:550-560.
  71. Chen J, Villasenor J, He Y, Luo G. Parallel fast inter mode decision for H.264/AVC encoding. Journal of Visual Communication and Image Representation. 2013;24(8):1443-1449.
  72. Fu X, Guan X, Peli E, Liu H & Luo G (2013). Automatic Calibration Method for Driver's Head Orientation in Natural Driving Environment. IEEE Transactions on Intelligent Transportation Systems. 14(1), 303-312.
  73. Yang Q, Cho KS, Chen H, Yu D, Wang WH, Luo G, Pang IH, Guo W & Chen D. (2012). Microbead-induced Ocular Hypertensive Mouse Model for Screening and Testing of Aqueous Production Suppressants for Glaucoma. Investigative Ophthalmology & Visual Science, 53(7), 3733-3741.
  74. Luo G., Satgunam P. & Peli E. (2012) Visual search performance of patients with vision impairment: Effect of JPEG image enhancement. Ophthalmic and Physiological Optics. 32, 421-428.
  75. Luo G. and Peli E. (2012). Automated Identification of Informative Behaviors in Natural Bioptic Driving. IEEE Transactions on Biomedical Engineering. 59(6), 1780-1786.

...and other 40 papers.

Peer reviewed conference proceedings
  1. Luo G, Chen Y, Doherty A, Liu R, Shi C, Wang S, Le H, Peli E. Comparison of Flat and Curved Monitors: Eyestrain Caused by Intensive Visual Search Task. SID Symposium Digest of Technical Papers. 2016;47(1):903-906.
  2. Pundlik S, Tomasi M, Luo G. Collision Detection for Visually Impaired from a Body-Mounted Camera. In: 26th IEEE Conference on Computer Vision and Pattern Recognition; Portland, US; 2013.
  3. Li Z, Pundlik S, Luo G. Stabilization of magnified images in smart phones for visually impaired. In: 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops; Portland: IEEE; 2013. p. 54-55.
  4. Doherty A, Peli E, Luo G. Driving Hazard Detection With A Bioptic Telescope. In: 7th International Driving Symposium on Human Factors in Driver Assessment, Training and Vehicle Design; Bolton Landing, New York; 2013.
  5. Tomasi M, Pundlik S, Luo G. Feature tracking for embedded video systems. 2012 IEEE International Conference on Image Processing. 2012.
  6. Pundlik S, Luo G. Collision Risk Estimation from an Uncalibrated Moving Camera Based on Feature Points Tracking and Clustering. 9th International Conference on Fuzzy Systems and Knowledge Discovery. 2012.
  7. Chen J, Xu X, Zhu H, Mo Y, Luo G. A Moving Object Detection Algorithm for Compressed Video. 2012 IEEE International Conference on Multimedia and Expo. 2012.
  8. Pundlik S, Peli E, Luo G. Time to Collision and Collision Risk Estimation from Local Scale and Motion. Advances in Visual Computing: Proceedings of the 7th International Symposium. 2011;6938(732-741).
  9. Luo G, Peli E. Development and evaluation of vision rehabilitation devices. 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 2011.
  10. Li Z, Luo G, Peli E. Image enhancement of high digital magnification for patient with central vision loss. In: Human Vision and Electronic Imaging XVI; CA; 2011.
  11. Luo G, Fu X, Peli E. A recording and analysis system of bioptic driving behaviors. In: 5th International Driving Symposium on Human Factors in Driver Assessment, Training, and Vehicle Design; Big Sky, MT; 2009. p. 460-467.
  12. Fu X, Luo G, Peli E. Tracking telescope aiming point for bioptic driving surveillance. In: International Conference on Image Processing, Computer Vision, and Pattern Recognition; Las Vegas; 2009.
  13. Luo G. A novel color filter array with 75% transparent elements. In: Digital Photography III; San Jose, CA: Proceedings of SPIE; 2007. p. doi: 10.1117/1112.702950.
  14. Luo G. Color filter array with sparse color sampling crosses for mobile phone image sensors. In: IEEE 2007 International Image Sensor Workshop; Ogunquit, ME; 2007. p. 162-165.