Fast bilateral filter for edge-preserving smoothing

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Fast bilateral filter for edge-preserving smoothing

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Edge-preserving lowpass filters are a valuable tool in several image processing tasks, including noise reduction and dynamic range compression. A high-quality algorithm is the bilateral filter, but its computational cost is very high. A fast but approximate implementation was introduced by Durand and Dorsey. Introduced are two modifications in this technique which allow further acceleration and a significant increase in quality.

Inspec keywords: image denoising; smoothing methods; low-pass filters

Other keywords: dynamic range compression; noise reduction; edge-preserving smoothing; bilateral filter; image processing; edge-preserving lowpass filters

Subjects: Optical, image and video signal processing; Computer vision and image processing techniques; Filtering methods in signal processing; Filters and other networks

References

    1. 1)
      • M. Ogata , T. Tsuchiya , T. Kubozono , K. Ueda . Dynamic range compression based on illumination compensation. IEEE Trans. Consum. Electron. , 3 , 548 - 558
    2. 2)
      • Tomasi, C., Manduchi, R.: `Bilateral filtering for gray and color images', Proc. 1998 IEEE Int. Conf. Computer Vision, Bombay, India.
    3. 3)
      • Durand, F., Dorsey, J.: `Fast bilateral filtering for the display of high-dynamic-range images', SIGGRAPH 2002.
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