2327 search results - page 379 / 466 » Secure Image Filtering |
TIP
2002
15 years 1 months ago
2002
Most commercial digital cameras use color filter arrays to sample red, green, and blue colors according to a specific pattern. At the location of each pixel only one color sample i...
ICDAR
2009
IEEE
14 years 11 months ago
2009
IEEE
Echo videos are an important modality for cardiac decision support. In addition to describing the shape and motion of the heart, they capture important diagnostic measurements as ...
124
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PAMI
2011
14 years 8 months ago
2011
—In this paper, we propose a method based on the Laplacian in the frequency domain for video text detection. Unlike many other approaches which assume that text is horizontallyor...
152
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SOUPS
2010
ACM
15 years 5 months ago
2010
ACM
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
108
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ICIP
2006
IEEE
16 years 3 months ago
2006
IEEE
Abstract-- This paper presents an authentication watermarking method which can localize the tampering regions in fine granularity. Unlike the previous block-wise Tampering-Localiza...