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Imaging low-light high dynamic range (HDR) scenes in a single capture is challenging for conventional sensors when exposure bracketing is not feasible due to application constraints. Advancements in sensor technology have narrowed the gap, as split-pixel and dual conversion gain (DCG) enables single-frame HDR capture and Quanta Image Sensors (QIS) allow counting individual photons at low light. However, removing shot noise from a single HDR image remains a difficult task due to the spatially varying nature of noise. To address this issue, we propose a learnable pipeline with a modular design for processing high bit-depth QIS raw images. Compared to existing algorithmic solutions, our approach offers superior reconstruction performance and greater robustness to variations in illuminance and noise.more » « less
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Bose-Pillai, Santasri R; Dolne, Jean J; Kalensky, Matthew (Ed.)
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