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12 results on '"Kostkova, Jitka"'

1. Blur Invariants for Image Recognition

Author

Flusser, Jan, Lebl, Matej, Pedone, Matteo, Sroubek, Filip, and Kostkova, Jitka

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Blur is an image degradation that is difficult to remove. Invariants with respect to blur offer an alternative way of a~description and recognition of blurred images without any deblurring. In this paper, we present an original unified theory of blur invariants. Unlike all previous attempts, the new theory does not require any prior knowledge of the blur type. The invariants are constructed in the Fourier domain by means of orthogonal projection operators and moment expansion is used for efficient and stable computation. It is shown that all blur invariants published earlier are just particular cases of this approach. Experimental comparison to concurrent approaches shows the advantages of the proposed theory., Comment: 15 pages

Published
2023
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3. Robust Histogram Estimation Under Gaussian Noise

Author

Kostková, Jitka, Flusser, Jan, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vento, Mario, editor, and Percannella, Gennaro, editor

Published
2019
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4. On the Null-Space of the Shape-Color Moment Invariants

Author

Kostková, Jitka, Flusser, Jan, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vento, Mario, editor, and Percannella, Gennaro, editor

Published
2019
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5. Image Invariants to Anisotropic Gaussian Blur

Author

Kostková, Jitka, Flusser, Jan, Lébl, Matěj, Pedone, Matteo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Felsberg, Michael, editor, Forssén, Per-Erik, editor, Sintorn, Ida-Maria, editor, and Unger, Jonas, editor

Published
2019
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