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Title: IMPROVED DEGRADED DOCUMENT IMAGE BINARIZATION USING GUIDED IMAGE FILTER

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Title:
IMPROVED DEGRADED DOCUMENT IMAGE BINARIZATION USING GUIDED IMAGE FILTER
Author Name:
Er. Jagroop Kaur, Dr.Rajiv Mahajan
Abstract:
Image binarization plays major role for document image binarization. Scanning and printing of documents can degrades their visibility that means it become difficult to understand them. This dissertation has focused on the different image binarization technique. Several techniques have been proposed so far for document binarization as shown in literature survey. Existing research has been shown that no technique is perfect for every case. Therefore still some research is required in this field of image binarization. Several researchers have used image filters to reduce the noise from the image however the utilization of the guided filter (best edge preserving filter) is not found. It may increase the accuracy of the present binarization strategies. Within the most of techniques the contrast enhancement is either done by tradition way or not done. Therefore adaptive contrast enhancement is required. Most of the strategies have neglected the utilization of edge map that has the capability to map the precise character in proficient manner. This paper has proposed a new technique which has the ability to binarized documents in more efficient manner. The proposed method has integrated the image gradients and the image contrast enhancement to improve the accuracy of document image binarization. The proposed technique also utilizes the guided image filter to improve the accuracy rate further. The comparative analysis has shown that the proposed algorithm provides quite significant improvement over the available algorithms.
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