Piecewise Linear Model-Based Image Enhancement
نویسندگان
چکیده
منابع مشابه
Piecewise Linear Model-Based Image Enhancement
A novel technique for the sharpening of noisy images is presented. The proposed enhancement system adopts a simple piecewise linear (PWL) function in order to sharpen the image edges and to reduce the noise. Such effects can easily be controlled by varying two parameters only. The noise sensitivity of the operator is further decreased by means of an additional filtering step, which resorts to a...
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Piecewise linear (PL) image coding proceeds in three steps: 1. A digital image is converted into a 1D-signal using a scanning procedure, for example by scanning lines in a zigzag or Hilbert order. 2. The signal is approximated by the graph of a piecewise linear function, which consists of a nite number of connected line segments. 3. Entropy encoding of the sequence of the segment end points. In...
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ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2004
ISSN: 1687-6180
DOI: 10.1155/s1110865704404041