NDLI: Constant Time Joint Bilateral Filtering Using Joint Integral Histograms

Content Provider	IEEE Xplore Digital Library
Author	Zhang, K. Lafruit, G. Lauwereins, R. Van Gool, L.
Copyright Year	1992
Abstract	In this brief, we present a constant time method for the joint bilateral filtering. First, we propose an image data structure, coined as joint integral histograms (JIHs). Extending the classic integral images and the integral histograms, it represents the global information of two correlated images. In a JIH, the value at each bin indicates an integral determined by the two images. Then, the joint bilateral filtering is transformed to computation and manipulation of histograms. Utilizing the JIHs, we are capable of joint bilateral filtering in constant time. Its performance is validated in a digital photography approach using Flash–noFlash image pairs. Compared with the brute-force method, the proposed method achieves a speedup factor of 2–3 orders of magnitude while producing similar filtering results.
Sponsorship	IEEE Signal Processing Society
Page Count	6
File Size	1137031
Starting Page	4309
Ending Page	4314
File Format	PDF
ISSN	10577149
Volume Number	21
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Joints Histograms Ash Image edge detection Data structures Computational complexity joint integral histograms (JIHs) ${\rm O}(1)$ computational complexity Flash–noFlash images enhancement joint bilateral filtering
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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