Search Results for author: Xiangyu Qu

Found 2 papers, 0 papers with code

Spatially Varying Exposure with 2-by-2 Multiplexing: Optimality and Universality

no code implementations30 Jun 2023 Xiangyu Qu, Yiheng Chi, Stanley H. Chan

The advancement of new digital image sensors has enabled the design of exposure multiplexing schemes where a single image capture can have multiple exposures and conversion gains in an interlaced format, similar to that of a Bayer color filter array.

Image Reconstruction

Detecting and Segmenting Adversarial Graphics Patterns from Images

no code implementations20 Aug 2021 Xiangyu Qu, Stanley H. Chan

Adversarial attacks pose a substantial threat to computer vision system security, but the social media industry constantly faces another form of "adversarial attack" in which the hackers attempt to upload inappropriate images and fool the automated screening systems by adding artificial graphics patterns.

Adversarial Attack Segmentation

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