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This paper presents a fractal based human visual system(HVS) proposed for elimination of blurred edge and
enhancement of infrared images. Human visual system is used in the proposed approach and the fractal dimension of an
infrared image is first measured using a fraction Brownian motion model as an accurate indication of the coarseness of
an infrared image. The fractal dimension of each pixel was calculated using a fractional Brownian random model and the
self-similitude and surface coarseness of the gray level of each pixel are described using fractal value of each pixel. HVS
is sensitive to the edge area of an image, and the pixels are then classified into edge pixels, smooth pixels and texture
pixels according to their fractal dimensions. The gray level of each edge pixel is weighted and enhanced using a fractal
based HVS. Experimental results indicate that fractional Brownian motion model is effective in detecting the edge detail
of an infrared image. This approach can be used to preserve edge details and enhance the contrast of an image.
Tian-he Yu,Jing-min Dai, andWei-min Kang
"Enhancement of infrared image using fractal based human visual system", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 71331Y (12 January 2009); https://doi.org/10.1117/12.821232
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Tian-he Yu, Jing-min Dai, Wei-min Kang, "Enhancement of infrared image using fractal based human visual system," Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 71331Y (12 January 2009); https://doi.org/10.1117/12.821232