نتایج جستجو برای: image scanner
تعداد نتایج: 390548 فیلتر نتایج به سال:
A large portion of digital image data available today is acquired using digital cameras or scanners. While cameras allow digital reproduction of natural scenes, scanners are often used to capture hardcopy art in more controlled scenarios. This paper proposes a new technique for non-intrusive scanner model identification, which can be further extended to perform tampering detection on scanned im...
BACKGROUND The purpose of the present study was to compare the image quality of spinal magnetic resonance (MR) imaging performed on a high-field horizontal open versus a short-bore MR scanner in a randomized controlled study setup. METHODS Altogether, 93 (80% women, mean age 53) consecutive patients underwent spine imaging after random assignement to a 1-T horizontal open MR scanner with a ve...
Ultrasound imaging is one of the common methods in medical diagnostic systems. There are many artifacts in a two dimentional image. Three dimentional imaging can be used for better interpretation and perception of an image. Since 1969 many attemps have been made in this regards, and research continues all over the world. The main goal in...
Objective(s): The aim of this study is to examine the effect of different smoothing filters on the image quality and SUVmax to achieve the guideline recommended positron emission tomography (PET) image without harmonization. Methods: We used a Biograph mCT PET scanner. A National Electrical Manufacturers Association (NEMA) the International Electrotechnical Commission (IEC) body phantom was fil...
The amount of image data in a slide scanner image is usually in the giga-pixel range, inducing challenges for image analysis and visualization. At the same time, in order to maximize the information gained in these experiments and integrate expert knowledge with quantitative measurements, it is crucial to maintain the connection between high-resolution per-cell and per-region metrics with lower...
For user convenience, document image processing captured with a digital camera instead of a scanner has been researched. However, existing methods of document image processing are not usable for a perspective document image captured by a digital camera because most of them are designed for the one captured by a scanner. Thus, we have to rectify the perspective of the document image and obtain t...
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