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    政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 >  Item 140.119/138323


    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/138323


    Title: Automatic Intermediate Generation With Deep Reinforcement Learning for Robust Two-Exposure Image Fusion
    Authors: 彭彥璁
    Peng, Yan-Tsung
    Yin, Jia-Li
    Chen, Bo-Hao
    Hwang, Hau
    Contributors: 資科系
    Keywords: High dynamic range (HDR) image;image fusion;reinforcement learning
    Date: 2021-06
    Issue Date: 2021-12-23 15:40:49 (UTC+8)
    Abstract: Fusing low dynamic range (LDR) for high dynamic range (HDR) images has gained a lot of attention, especially to achieve real-world application significance when the hardware resources are limited to capture images with different exposure times. However, existing HDR image generation by picking the best parts from each LDR image often yields unsatisfactory results due to either the lack of input images or well-exposed contents. To overcome this limitation, we model the HDR image generation process in two-exposure fusion as a deep reinforcement learning problem and learn an online compensating representation to fuse with LDR inputs for HDR image generation. Moreover, we build a two-exposure dataset with reference HDR images from a public multiexposure dataset that has not yet been normalized to train and evaluate the proposed model. By assessing the built dataset, we show that our reinforcement HDR image generation significantly outperforms other competing methods under different challenging scenarios, even with limited well-exposed contents. More experimental results on a no-reference multiexposure image dataset demonstrate the generality and effectiveness of the proposed model. To the best of our knowledge, this is the first work to use a reinforcement-learning-based framework for an online compensating representation in two-exposure image fusion.
    Relation: IEEE Transactions on Neural Networks and Learning Systems, pp.2162-2388
    Data Type: article
    DOI 連結: https://doi.org/10.1109/TNNLS.2021.3088907
    DOI: 10.1109/TNNLS.2021.3088907
    Appears in Collections:[資訊科學系] 期刊論文

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