Dr. Bijie Bai Profile

Dr. Bijie Bai

Student at UCLA Samueli School of Engineering

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Author

Publications (38)

Proceedings Article | 4 October 2024 Presentation

Classification of HER2 score in breast cancer images using deep learning and pyramid sampling

Sahan Yoruc Selcuk, Xilin Yang, Bijie Bai, Yijie Zhang, Yuzhu Li, Musa Aydin, Aras Firat Unal, Aditya Gomatam, Zhen Guo, Morgan Darrow, Goren Kolodney, Karine Atlan, Tal Keidar Haran, Nir Pillar, Aydogan Ozcan

Proceedings Volume PC13118, PC131180E (2024) https://doi.org/10.1117/12.3027545

KEYWORDS: Image classification, Tissues, Breast cancer, Deep learning, Pathology, Systems modeling, Oncology, Cancer, Spatial learning, Pathogens

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Proceedings Article | 4 October 2024 Presentation

Rapid and stain-free quantification of viral plaques using deep learning and time-lapse holographic imaging

Yuzhu Li, Tairan Liu, Hatice Koydemir, Yijie Zhang, Ethan Yang, Hongda Wang, Jingxi Li, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC13118, PC131180I (2024) https://doi.org/10.1117/12.3027879

KEYWORDS: Holography, Deep learning, Viruses, System identification, Herpes, Clinical research, Clinical practice

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Proceedings Article | 4 October 2024 Presentation

Spatially incoherent diffractive optical processors for complex-valued universal linear transformations and image encryption

Xilin Yang, Md Sadman Sakib Rahman, Bijie Bai, Jingxi Li, Aydogan Ozcan

Proceedings Volume PC13118, PC1311812 (2024) https://doi.org/10.1117/12.3027848

KEYWORDS: Image processing, Image encryption, Light sources and illumination, Visualization, Visual information processing, Phase imaging, Optical signal processing, Optical networks, Optical encoders, Neural networks

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Proceedings Article | 4 October 2024 Presentation

Solid-immersion diffractive imaging

Jingtian Hu, Kun Liao, Niyazi Ulas Dinc, Carlo Gigli, Bijie Bai, Tianyi Gan, Xurong Li, Hanlong Chen, Xilin Yang, Yuhang Li, Çağatay Işıl, Md Sadman Sakib Rahman, Jingxi Li, Xiaoyong Hu, Mona Jarrahi, Demetri Psaltis, Aydogan Ozcan

Proceedings Volume PC13118, PC131180Z (2024) https://doi.org/10.1117/12.3027884

KEYWORDS: Optical encoders, Spatial frequencies, Phase imaging, Education and training, Biosensing, Transform theory, Terahertz radiation, Solids, Refractive index, Phase reconstruction

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Proceedings Article | 4 October 2024 Presentation

Reconfigurable diffractive optical networks for multiplexed all-optical permutation operations

Guangdong Ma, Xilin Yang, Bijie Bai, Jingxi Li, Yuhang Li, Tianyi Gan, Che-Yung Shen, Yijie Zhang, Yuzhu Li, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC13118, PC1311813 (2024) https://doi.org/10.1117/12.3028458

KEYWORDS: Optical networks, Multiplexing, Matrices, Design, Terahertz radiation, Telecommunications, Structural design, Reconfigurable computing, Optical surfaces, Optical communications

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Proceedings Article | 4 October 2024 Presentation

Concealment of object information into ordinary images using diffractive optical processors

Yuhang Li, Bijie Bai, Ryan Lee, Tianyi Gan, Yuntian Wang, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC13118, PC1311818 (2024) https://doi.org/10.1117/12.3028425

KEYWORDS: Image processing, Neural networks, Light sources and illumination, Information visualization, Cameras, Visualization, Visual optics, Transform theory, Stereoscopic cameras, Information security

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Proceedings Article | 4 October 2024 Presentation

Neural network-based virtual staining of defocused autofluorescence images of label-free tissue

Yijie Zhang, Luzhe Huang, Tairan Liu, Keyi Cheng, Kevin de Haan, Yuzhu Li, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC13118, PC1311808 (2024) https://doi.org/10.1117/12.3027365

KEYWORDS: Nervous system, Neural networks, Autofluorescence, Education and training, Performance modeling, Microscopes, Lung

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Proceedings Article | 13 March 2024 Presentation

Transferring optical information through random unknown diffusers using a diffractive decoder with electronic encoding

Bijie Bai, Heming Wei, Xilin Yang, Tianyi Gan, Deniz Mengu, Mona Jarrahi, Aydogan Ozcan, Yuhang Li

Proceedings Volume PC12903, PC129030V (2024) https://doi.org/10.1117/12.3000579

KEYWORDS: Optical networks, Information visualization, Image encryption, Visual optics, Visualization, Optical computing, Design and modelling, Channel projecting optics, Structural design, Optical surfaces

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Proceedings Article | 13 March 2024 Presentation

Diffractive unidirectional imager designed by deep learning

Jingxi Li, Tianyi Gan, Yifan Zhao, Bijie Bai, Che-Yung Shen, Songyu Sun, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12903, PC129030Y (2024) https://doi.org/10.1117/12.3001969

KEYWORDS: Imaging systems, Deep learning, Image acquisition, Light sources and illumination, Design and modelling, Optical imaging, Image processing, Education and training, Terahertz radiation, Telecommunications

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Proceedings Article | 13 March 2024 Presentation

Massively parallel all-optical visual computing using a wavelength-multiplexed diffractive optical processor

Jingxi Li, Tianyi Gan, Bijie Bai, Yi Luo, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12903, PC129030Z (2024) https://doi.org/10.1117/12.3001971

KEYWORDS: Visualization, Visual optics, Parallel computing, Multiplexing, Intelligence systems, Error analysis, Education and training, Design and modelling, Data processing, Visual information processing

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Proceedings Article | 13 March 2024 Presentation

Universal linear processing of spatially incoherent light with diffractive optical processors

Md Sadman Sakib Rahman, Xilin Yang, Jingxi Li, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12903, PC129030K (2024) https://doi.org/10.1117/12.3000301

KEYWORDS: Light sources and illumination, Design and modelling, Point spread functions, Optical surfaces, Information visualization, Visualization, Spatial learning, Phase distribution, Optical coherence, Multiplexing

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Proceedings Article | 13 March 2024 Presentation

All-optical quantitative phase imaging through random diffusers using a diffractive network

Yuhang Li, Yi Luo, Deniz Mengu, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12857, PC128570O (2024) https://doi.org/10.1117/12.3000652

KEYWORDS: Diffusers, Phase imaging, Optical networks, Image restoration, Digital Light Processing, Phase recovery, Light sources and illumination, Imaging systems, Design and modelling, Biological samples

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Proceedings Article | 13 March 2024 Presentation

Transferring optical information through random unknown diffusers using a diffractive decoder with electronic encoding

Yuhang Li, Tianyi Gan, Bijie Bai, Çagatay Isil, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12903, PC129030X (2024) https://doi.org/10.1117/12.3000653

KEYWORDS: Free space optics, Diffusers, Education and training, Deep learning, 3D modeling, Optical transmission, Neural networks, Mathematical optimization, Light sources and illumination, Image transmission

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SPIE Journal Paper | 19 January 2024 Open Access

Complex-valued universal linear transformations and image encryption using spatially incoherent diffractive networks

Xilin Yang, Md Sadman Sakib Rahman, Bijie Bai, Jingxi Li, Aydogan Ozcan

APN, Vol. 3, Issue 01, 016010, (January 2024) https://doi.org/10.1117/12.10.1117/1.APN.3.1.016010

KEYWORDS: Image encryption, Education and training, Data processing, Point spread functions, Light sources and illumination, Image processing, Matrices, Geometrical optics, Visualization, Photonics

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Proceedings Article | 28 September 2023 Presentation

All-optical quantitative phase imaging through random diffusers using a diffractive network

Yuhang Li, Yi Luo, Deniz Mengu, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12655, PC126550T (2023) https://doi.org/10.1117/12.2678212

KEYWORDS: Diffusers, Phase imaging, Image restoration, Biomedical optics, Biological samples, Phase recovery, Light sources and illumination, Image processing, Digital Light Processing, Design and modelling

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Proceedings Article | 28 September 2023 Presentation

All-optical Computation of a large group of linear transformations using a broadband diffractive optical network

Jingxi Li, Tianyi Gan, Bijie Bai, Yi Luo, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12655, PC126550O (2023) https://doi.org/10.1117/12.2678254

KEYWORDS: Broadband telecommunications, Optical networks, Intelligence systems, Education and training, Tunable filters, Statistical inference, Sensing systems, Pulse shaping, Optical filters, Optical computing

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Proceedings Article | 28 September 2023 Presentation

Data class-specific all-optical transformations using diffractive computing

Bijie Bai, Heming Wei, Xilin Yang, Tianyi Gan, Deniz Mengu, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12655, PC126550U (2023) https://doi.org/10.1117/12.2678154

KEYWORDS: Matrices, Information visualization, Image encryption, Visualization, Visual optics, Neural networks, Light sources and illumination, Image sensors, Free space optics, Engineering

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Proceedings Article | 28 September 2023 Presentation

Deep learning-designed unidirectional imagers

Jingxi Li, Tianyi Gan, Yifan Zhao, Bijie Bai, Che-Yung Shen, Songyu Sun, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12655, PC126550K (2023) https://doi.org/10.1117/12.2678255

KEYWORDS: Imaging systems, Light sources and illumination, Design and modelling, Education and training, Switching, Optical transmission, Optical design, Numerical simulations, Millimeter wave imaging, Image acquisition

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SPIE Journal Paper | 28 August 2023 Open Access

Optical information transfer through random unknown diffusers using electronic encoding and diffractive decoding

Yuhang Li, Tianyi Gan, Bijie Bai, Çağatay Işıl, Mona Jarrahi, Aydogan Ozcan

AP, Vol. 5, Issue 04, 046009, (August 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.4.046009

KEYWORDS: Diffusers, Education and training, Free space optics, Data transmission, Biomedical optics, Photonics, Image transmission, Optical transmission, Optical encoders, Geometrical optics

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Proceedings Article | 17 March 2023 Presentation

Data class-specific imaging with all-optical erasure of undesired objects using diffractive computing

Bijie Bai, Yi Luo, Tianyi Gan, Jingtian Hu, Yuhang Li, Yifan Zhao, Deniz Mengu, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12438, PC124380U (2023) https://doi.org/10.1117/12.2648024

KEYWORDS: Cameras, Imaging systems, Terahertz radiation, Stereoscopic cameras, Optical filters, Machine vision, Geometrical optics, Digital imaging, Digital cameras, Detection and tracking algorithms

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Proceedings Article | 17 March 2023 Presentation

Diffractive imagers see through random unknown diffusers

Yuhang Li, Yi Luo, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12438, PC124380S (2023) https://doi.org/10.1117/12.2648009

KEYWORDS: Diffusers, Imaging systems, Image restoration, Image analysis, Distortion, Computing systems, Computational imaging, Biomedical optics, Biological research, Atmospheric propagation engineering

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Proceedings Article | 17 March 2023 Presentation

Object classification through unknown random diffusers using a single-pixel diffractive network and spectrum encoding

Yi Luo, Bijie Bai, Yuhang Li, Xurong Li, Ege Çetintas, Mona Jarrahi, Aydogan Ozcan

Proceedings Volume PC12438, PC124380C (2023) https://doi.org/10.1117/12.2650792

KEYWORDS: Diffusers, Computer programming, Modulation, Phase shift keying, Passive optical networks, Neurons, Network security, Network architectures, Information security, Biosensing

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Proceedings Article | 16 March 2023 Presentation

Label-free, in vivo virtual histology of skin using reflectance confocal microscopy and deep learning (Conference Presentation)

Jingxi Li, Jason Garfinkel, Xiaoran Zhang, Di Wu, Yijie Zhang, Kevin de Haan, Hongda Wang, Tairan Liu, Bijie Bai, Yair Rivenson, Gennady Rubinstein, Philip Scumpia, Aydogan Ozcan

Proceedings Volume PC12391, PC123910U (2023) https://doi.org/10.1117/12.2648150

KEYWORDS: Skin, In vivo imaging, Reflectivity, Confocal microscopy, Biopsy, Tissues, Neural networks, Image resolution

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Proceedings Article | 6 March 2023 Presentation

Deep learning-based virtual staining of defocused autofluorescence images of label-free tissue

Yijie Zhang, Luzhe Huang, Tairan Liu, Keyi Cheng, Kevin de Haan, Yuzhu Li, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12373, PC123730H (2023) https://doi.org/10.1117/12.2648092

KEYWORDS: Tissues, Neural networks, Performance modeling, Lung, Image acquisition

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Proceedings Article | 6 March 2023 Presentation

Virtual stain-to-stain transformations via cascaded deep neural networks

Xilin Yang, Bijie Bai, Yuzhu Li, Yijie Zhang, Tairan Liu, Kevin de Haan, Aydogan Ozcan

Proceedings Volume PC12371, PC123710C (2023) https://doi.org/10.1117/12.2648101

KEYWORDS: Neural networks, Tissues, Data modeling, Kidney, Image quality, Diagnostics, Biopsy

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Proceedings Article | 6 March 2023 Presentation

Rapid detection and classification of bacterial colonies using a thin film transistor (TFT) image sensor and deep learning

Yuzhu Li, Tairan Liu, Hatice Koydemir, Hongda Wang, Keelan O'Riordan, Bijie Bai, Yuta Haga, Junji Kobashi, Hitoshi Tanaka, Takaya Tamaru, Kazunori Yamaguchi, Aydogan Ozcan

Proceedings Volume PC12369, PC123690A (2023) https://doi.org/10.1117/12.2648167

KEYWORDS: Image sensors, Transistors, Thin films, Image classification, Neural networks, Imaging systems, Environmental sensing, Classification systems, Bacteria

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Proceedings Article | 6 March 2023 Presentation

Stain-free, rapid, and quantitative viral plaque assay using deep learning and time-lapse holographic imaging

Yuzhu Li, Tairan Liu, Hatice Ceylan Koydemir, Yijie Zhang, Ethan Yang, Hongda Wang, Jingxi Li, Bijie Bai, Aydogan Ozcan

Proceedings Volume PC12369, PC123690D (2023) https://doi.org/10.1117/12.2648162

KEYWORDS: Holography, Prototyping, Neural networks, Gold, 3D image reconstruction

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Proceedings Article | 6 March 2023 Presentation

Virtual HER2 staining of label-free breast tissue using autofluorescence imaging and deep learning

Bijie Bai, Hongda Wang, Yuzhu Li, Kevin de Haan, Francesco Colonnese, Morgan Angus Darrow, Elham Kamangar, Han Sung Lee, Yair Rivenson, Aydogan Ozcan

Proceedings Volume PC12368, PC123680J (2023) https://doi.org/10.1117/12.2648173

KEYWORDS: Tissues, Breast, Auto-fluorescence imaging, Transform theory, Receptors, Quantitative analysis, Microscopes, Luminescence, Diagnostics

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SPIE Journal Paper | 10 January 2023 Open Access

Massively parallel universal linear transformations using a wavelength-multiplexed diffractive optical network

Jingxi Li, Tianyi Gan, Bijie Bai, Yi Luo, Mona Jarrahi, Aydogan Ozcan

AP, Vol. 5, Issue 01, 016003, (January 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.1.016003

KEYWORDS: Education and training, Design and modelling, Matrices, Broadband telecommunications, Optical networks, Multiplexing, Transform theory, Neurons, Photonics, Light sources and illumination

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Proceedings Article | 4 October 2022 Presentation

Virtual immunohistochemical (IHC) staining of unlabeled tissue using deep learning (Conference Presentation)

Bijie Bai, Hongda Wang, Yuzhu Li, Kevin De Haan, Francesco Colonnese, Yujie Wan, Jingyi Zuo, Ngan Doan, Xiaoran Zhang, Yijie Zhang, Jingxi Li, Wenjie Dong, Morgan Darrow, Elham Kamangar, Han Sung Lee, Yair Rivenson, Aydogan Ozcan

Proceedings Volume PC12204, PC122040O (2022) https://doi.org/10.1117/12.2632652

KEYWORDS: Tissues, Breast, Tumors, Transform theory, Receptors, Quantitative analysis, Neural networks, Diagnostics, Breast cancer

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Proceedings Article | 4 October 2022 Presentation

Deep learning-enabled, non-invasive virtual histology of skin using reflectance confocal microscopy (Conference Presentation)

Jingxi Li, Jason Garfinkel, Xiaoran Zhang, Di Wu, Yijie Zhang, Kevin de Haan, Hongda Wang, Tairan Liu, Bijie Bai, Yair Rivenson, Gennady Rubinstein, Philip Scumpia, Aydogan Ozcan

Proceedings Volume PC12204, PC122040N (2022) https://doi.org/10.1117/12.2632602

KEYWORDS: Skin, Reflectivity, Confocal microscopy, In vivo imaging, Tissues, Biopsy, Tumors, Standards development, Image resolution, Image analysis

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Proceedings Article | 1 August 2021 Presentation

Early identification of live bacteria in water samples using time-lapse holographic imaging and deep learning

Hongda Wang, Hatice Koydemir, Yunzhe Qiu, Bijie Bai, Yibo Zhang, Yiyin Jin, Sabiha Tok, Enis Yilmaz, Esin Gumustekin, Yair Rivenson, Aydogan Ozcan

Proceedings Volume 11804, 118041T (2021) https://doi.org/10.1117/12.2593804

KEYWORDS: Bacteria, Holography, Statistical analysis, System identification, Sensing systems, Safety, Neural networks, Microbiology, Imaging systems, Image classification

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Proceedings Article | 5 March 2021 Presentation

Deep learning-based computational cytometer using magnetically-modulated coherent imaging

Tairan Liu, Yibo Zhang, Mengxing Ouyang, Aniruddha Ray, Janay Kong, Bijie Bai, Donghyuk Kim, Alexander Guziak, Yi Luo, Alborz Feizi, Katherine Tsai, Zhuoran Duan, Xuewei Liu, Danny Kim, Chloe Cheung, Sener Yalcin, Hatice Koydemir, Omai Garner, Dino Di Carlo, Aydogan Ozcan

Proceedings Volume 11632, 116320I (2021) https://doi.org/10.1117/12.2579828

KEYWORDS: Blood, Coherence imaging, Magnetism, Target detection, Prototyping, Particles, Particle systems, Modulation, Imaging systems, Diffraction

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Proceedings Article | 5 March 2021 Presentation

Holographic polarization microscopy using deep learning

Tairan Liu, Kevin de Haan, Bijie Bai, Yair Rivenson, Yi Luo, Hongda Wang, David Karalli, Hongxiang Fu, Yibo Zhang, John FitzGerald, Aydogan Ozcan

Proceedings Volume 11653, 116530C (2021) https://doi.org/10.1117/12.2580286

KEYWORDS: Polarization, Microscopy, Holography, Polarizers, Polarized microscopy, Pathology, Optical design, Microscopes, Gallium nitride

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Proceedings Article | 20 August 2020 Presentation

Deep learning-based cytometer using magnetically modulated coherent imaging

Proceedings Volume 11469, 114691H (2020) https://doi.org/10.1117/12.2567338

KEYWORDS: Blood, Coherence imaging, Target detection, Magnetism, Diagnostics, Statistical analysis, Particles, Diffraction, Holography, Imaging systems

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Proceedings Article | 9 March 2020 Presentation

Pathological crystal imaging using computational polarized light microscopy (Conference Presentation)

Bijie Bai, Hongda Wang, Tairan Liu, Yair Rivenson, John Fitzgerald, Aydogan Ozcan

Proceedings Volume 11243, 112430F (2020) https://doi.org/10.1117/12.2547403

KEYWORDS: Crystals, Microscopy, Polarized microscopy, Birefringence, Polarizers, Microfluidic imaging, Microfluidics, Arthritis, Cameras, CMOS sensors

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Proceedings Article | 9 March 2020 Presentation

Deep learning enables high-throughput early detection and classification of bacterial colonies using time-lapse coherent imaging (Conference Presentation)

Hongda Wang, Hatice Koydemir, Yunzhe Qiu, Bijie Bai, Yibo Zhang, Yiyin Jin, Sabiha Tok, Enis Yilmaz, Esin Gumustekin, Yilin Luo, Yair Rivenson, Aydogan Ozcan

Proceedings Volume 11230, 112300E (2020) https://doi.org/10.1117/12.2547399

KEYWORDS: Coherence imaging, Bacteria, Classification systems, Pathogens, Drug discovery, Gold, Computing systems, System identification, 3D image reconstruction, Holograms

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Proceedings Article | 13 February 2018 Presentation + Paper

Spatial mapping and analysis of aerosols during a forest fire using computational mobile microscopy

Yichen Wu, Ashutosh Shiledar, Yi Luo, Jeffrey Wong, Cheng Chen, Bijie Bai, Yibo Zhang, Miu Tamamitsu, Aydogan Ozcan

Proceedings Volume 10485, 104850T (2018) https://doi.org/10.1117/12.2288889

KEYWORDS: Particles, Atmospheric particles, Aerosols, Microscopy, Image analysis, Machine learning, Digital image processing, Digital holography, Computational imaging, Environmental monitoring

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Showing 5 of 38 publications

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