Results 251 to 260 of about 2,160,125 (291)
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IBM Journal of Research and Development, 1982
Most printers and some display devices are bilevel (black or white) and therefore not capable of reproducing continuous tone pictures. Digital halftoning algorithms transform digital gray scale images into bilevel ones which give the appearance of containing various shades of gray.
Dimitris Anastassiou +1 more
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Most printers and some display devices are bilevel (black or white) and therefore not capable of reproducing continuous tone pictures. Digital halftoning algorithms transform digital gray scale images into bilevel ones which give the appearance of containing various shades of gray.
Dimitris Anastassiou +1 more
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The British Journal of Radiology, 2005
There has been an increase in the use of digital imaging in recent years and radiologists have almost universally accepted the use of computers in their day-to-day work. Completely filmless radiology departments, with all reporting being done on visual display terminals and picture archiving and communications systems (PACS) around the department, are ...
S P, Prabhu, S, Gandhi, P R, Goddard
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There has been an increase in the use of digital imaging in recent years and radiologists have almost universally accepted the use of computers in their day-to-day work. Completely filmless radiology departments, with all reporting being done on visual display terminals and picture archiving and communications systems (PACS) around the department, are ...
S P, Prabhu, S, Gandhi, P R, Goddard
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Otolaryngologic Clinics of North America, 2002
The digital camera has become a valuable component of the clinical practice for many otolaryngologist head and neck surgeons. Because several technical details distinguish digital cameras from their standard 35-mm counterparts, having some knowledge of these features is crucial for integrating digital imaging successfully into a practice.
Karen H, Calhoun, Michael E, Decherd
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The digital camera has become a valuable component of the clinical practice for many otolaryngologist head and neck surgeons. Because several technical details distinguish digital cameras from their standard 35-mm counterparts, having some knowledge of these features is crucial for integrating digital imaging successfully into a practice.
Karen H, Calhoun, Michael E, Decherd
openaire +2 more sources
IEEE Transactions on Acoustics, Speech, and Signal Processing, 1987
Nielsen et al. recently addressed the problem of determining the optimal discretization grid and quantization depth when a given bivariate function f(x, y) has to be described with a predetermined number of bits. This was done under the assumption that the function value range and mean "fluctuation rates" in the x and y direction are given, and that ...
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Nielsen et al. recently addressed the problem of determining the optimal discretization grid and quantization depth when a given bivariate function f(x, y) has to be described with a predetermined number of bits. This was done under the assumption that the function value range and mean "fluctuation rates" in the x and y direction are given, and that ...
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IEEE Signal Processing Magazine, 2009
The article explains how photo-response nonuniformity (PRNU) of imaging sensors can be used for a variety of important digital forensic tasks, such as device identification, device linking, recovery of processing history, and detection of digital forgeries.
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The article explains how photo-response nonuniformity (PRNU) of imaging sensors can be used for a variety of important digital forensic tasks, such as device identification, device linking, recovery of processing history, and detection of digital forgeries.
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Dental Update, 2008
It is becoming increasingly common for orthodontists and dentists to capture and store their patients' clinical records in a digital format, including photographs, radiographs and even study models. It is useful to have an understanding of what these image files are composed of in order to be able to manipulate, store and display the images ...
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It is becoming increasingly common for orthodontists and dentists to capture and store their patients' clinical records in a digital format, including photographs, radiographs and even study models. It is useful to have an understanding of what these image files are composed of in order to be able to manipulate, store and display the images ...
openaire +2 more sources