Optimizing the High-Pass Filter Addition Technique for Image Fusion
By U. Gangkofner, P. Pradhan, D. Holcomb. 2007
164 citations recorded by the source corpus.
Pixel-level image fusion combines complementary image data, most commonly low spectral-high spatial resolution data with high spectral-low spatial resolution optical data. The presented study aims at refining and improving the High-Pass Filter Additive (HPFA) fusion method towards a tunable and versatile, yet standardized image fusion tool. HPFA is an image fusion method in the spatial domain, which inserts structural and textural details of the higher resolution image into the lower resolution image, whose spectral properties are thereby largely retained. Using various input image pairs, workable sets of HPFA parameters have been derived with regard to high-pass filter properties and injection weights. Improvements are the standardization of the HPFA parameters over a wide range of image resolution ratios and the controlled trade-off between resulting image sharpness and spectral properties. The results are evaluated visually and by spectral and spatial metrics in comparison with wavelet-based image fusion results as a benchmark.
Subfields: Computer Vision and Pattern Recognition, Media Technology
View Paper: https://www.semanticscholar.org/paper/5952f0d711fe4bea8bc10e36532fe192678f9ad3
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In Computer Vision and Pattern Recognition
In Media Technology
Citations in the corpus
- A review of remote sensing image fusion methods (2016, methodology): “AC CE PT ED M AN US CR IP T High-pass filter additive (HPFA) inserts structural and textural details of the higher resolution image into the lower resolution image.”
- Multi-source remote sensing data fusion: status and trends (2010, methodology): “This process can be transformed into Equation (2), while the synthetic image Syn p can be expressed as follows: Gangkofner et al. (2008) optimise the HPF addition technique whose improvements are standardisation of the HPF parameters over a wide range of image resolution ratios and the controlled…”