SPS Webinar: 18 January 2023, presented by Mr. Yifan Jiang

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SPS Webinar: 18 January 2023, presented by Mr. Yifan Jiang

Upcoming SPS Webinar!

Title: Enhancing Low-light Images without Paired Supervision
Date: 18 January 2023
Time: 9:30 AM Eastern (New York time)
Duration: Approximately 1 Hour
Presenters: Mr. Yifan Jiang

Based on the IEEE Xplore® article: EnlightenGAN: Deep Light Enhancement Without Paired Supervision
Published: IEEE Transactions on Image Processing, January 2021, available in IEEE Xplore®

Download: The original article is available for download.

 

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Abstract:

Deep learning-based methods have achieved remarkable success in image restoration and enhancement, but are they still competitive when there is a lack of paired training data? As one such example, this work explores the low-light image enhancement problem, where in practice it is extremely challenging to simultaneously take a low-light and a normal-light photo of the same visual scene. We propose a highly effective unsupervised generative adversarial network, dubbed EnlightenGAN, that can be trained without low/normal-light image pairs, yet proves to generalize very well on various real-world test images. Instead of supervising the learning using ground truth data, we propose to regularize the unpaired training using the information extracted from the input itself and benchmark a series of innovations for the low-light image enhancement problem, including a global-local discriminator structure, a self-regularized perceptual loss fusion, and attention mechanism. Through extensive experiments, our proposed approach outperforms recent methods under a variety of metrics in terms of visual quality and subjective user study. Thanks to the great flexibility brought by unpaired training, EnlightenGAN is demonstrated to be easily adaptable to enhancing real-world images from various domains.


Biography:

Luisa Verdoliva

Yifan Jiang received the bachelor’s degree from Huazhong University of Science and Technology, Wuhan, China, in 2019.  He is a 4th-year Ph.D. student from the Department of Electrical and Computer Engineering at the University of Texas at Austin, supervised by Prof. Zhangyang (Atlas) Wang.

Mr. Jiang research interests range from neural rendering, 3D vision, generative models, and computational photography. He also did internships at Bytedance AI Lab, Adobe, and Google Research.

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