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ICIP
2002
IEEE
16 years 8 months ago
A comparative analysis of two distance measures in color image databases
Euclidean distance measure has been used in comparing feature vectors of images, while cosine angle distance measure is used in document retrieval. In this paper, we theoretically...
Shamik Sural, Gang Qian, Sakti Pramanik
CEAS
2007
Springer
15 years 10 months ago
Learning Fast Classifiers for Image Spam
Recently, spammers have proliferated "image spam", emails which contain the text of the spam message in a human readable image instead of the message body, making detect...
Mark Dredze, Reuven Gevaryahu, Ari Elias-Bachrach
IBPRIA
2005
Springer
15 years 12 months ago
Extended Bi-gram Features in Text Categorization
Usually, in traditional text categorization systems based on Vector Space Model, there is no context information in a feature vector, which limited the performance of the system. T...
Xian Zhang, Xiaoyan Zhu
CVPR
2011
IEEE
15 years 2 months ago
Learning a Blind Measure of Perceptual Image Quality
It is often desirable to evaluate an image based on its quality. For many computer vision applications, a perceptually meaningful measure is the most relevant for evaluation; howe...
Huixuan Tang, Neel Joshi, Ashish Kapoor
ISMAR
2007
IEEE
16 years 22 days ago
Precise Geometric Registration by Blur Estimation for Vision-based Augmented Reality
This paper proposes an accurate geometric registration method by estimating blur effects from a degraded image with image markers for augmented reality. A small and inexpensive ca...
Bunyo Okumura, Masayuki Kanbara, Naokazu Yokoya