نتایج جستجو برای: image enhancement

تعداد نتایج: 493915  

2007
Gady Agam G. Bal Gideon Frieder Ophir Frieder

Poor quality documents are obtained in various situations such as historical document collections, legal archives, security investigations, and documents found in clandestine locations. Such documents are often scanned for automated analysis, further processing, and archiving. Due to the nature of such documents, degraded document images are often hard to read, have low contrast, and are corrup...

Journal: :Pattern Recognition Letters 2003
Jianwei Yang Lifeng Liu Tianzi Jiang Yong Fan

Fingerprint image enhancement is an essential preprocessing step in fingerprint recognition applications. In this paper, we propose a novel filter design method for fingerprint image enhancement, primarily inspired from the traditional Gabor filter (TGF). The previous fingerprint image enhancement methods based on TGF banks have some drawbacks in their image-dependent parameter selection strate...

2013
Gurvir Singh Mandeep Singh Bhai Maha Singh

In image enhancement various enhancement schemes have been used for enhancing which includes gray scale manipulation, filtering and Histogram Equalization (HE). Histogram equalization techniques using fuzzy logic is one of the unique image enhancement technique. It became a popular technique for contrast enhancement because this method is simple and effective. In the latter case, preserving the...

2007
Gianluigi Ciocca Claudio Cusano Francesca Gasparini Raimondo Schettini

We present our approach, integrating imaging and vision, for content-aware enhancement and processing of digital photographs. The overall quality of images is improved by a modular procedure automatically driven by the image class and content.

Journal: :Journal of the Korea Institute of Information and Communication Engineering 2013

Journal: :IOSR journal of VLSI and Signal Processing 2012

Journal: :International Journal for Research in Applied Science and Engineering Technology 2018

Journal: :Healthcare Technology Letters 2018

Journal: :International Journal of Signal Processing, Image Processing and Pattern Recognition 2015

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