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|a 10.1109/TIP.2021.3069190
|2 doi
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|a eng
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| 100 |
1 |
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|a Wen, Sijia
|e verfasserin
|4 aut
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| 245 |
1 |
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|a A Sparse Representation Based Joint Demosaicing Method for Single-Chip Polarized Color Sensor
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 13.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The emergence of the single-chip polarized color sensor now allows for simultaneously capturing chromatic and polarimetric information of the scene on a monochromatic image plane. However, unlike the usual camera with an embedded demosaicing method, the latest polarized color camera is not delivered with an in-built demosaicing tool. For demosaicing, the users have to down-sample the captured images or to use traditional interpolation techniques. Neither of them can perform well since the polarization and color are interdependent. Therefore, joint chromatic and polarimetric demosaicing is the key to obtaining high-quality polarized color images. In this paper, we propose a joint chromatic and polarimetric demosaicing model to address this challenging problem. Instead of mechanically demosaicing for the multi-channel polarized color image, we further present a sparse representation-based optimization strategy that utilizes chromatic information and polarimetric information to jointly optimize the model. To avoid the interaction between color and polarization during demosaicing, we separately construct the corresponding dictionaries. We also build an optical data acquisition system to collect a dataset, which contains various sources of polarization, such as illumination, reflectance and birefringence. Results of both qualitative and quantitative experiments have shown that our method is capable of faithfully recovering full RGB information of four polarization angles for each pixel from a single mosaic input image. Moreover, the proposed method can perform well not only on the synthetic data but the real captured data
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|a Journal Article
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| 700 |
1 |
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|a Zheng, Yinqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Feng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 30(2021) vom: 06., Seite 4171-4182
|w (DE-627)NLM09821456X
|x 1941-0042
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| 773 |
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|g volume:30
|g year:2021
|g day:06
|g pages:4171-4182
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|u http://dx.doi.org/10.1109/TIP.2021.3069190
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|d 30
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