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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Md Rifat Ur Rahman

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3 papers indexed here

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Preprint Aug 2026

Orthogonal Polynomial Approximation for Matrix Log Normalization in Global Covariance Pooling

Global Covariance Pooling (GCP) improves deep networks by capturing second-order feature statistics, and is especially effective for fine-grained recognition. Because covariance matrices live on the Symmetric Positive Definite (SPD) manifold, a normalization step is required before the Euclidean classifier. The faithfu...

Md Rifat Ur Rahman, Md Raihan Khan, Md Sakib Hossain Shovon et al. · 0 citations
Preprint Aug 2026

Is Haar Enough? Exploring Symlets and Coiflets for Wavelet Convolution Layers

Wavelet convolution layers have recently emerged as an efficient mechanism for enlarging receptive fields through multiresolution analysis, but prior work has fixed the wavelet basis to Haar or Daubechies at a chosen decomposition depth, leaving open whether a different basis can shift the underlying efficiency frontie...

Md Rifat Ur Rahman · 0 citations
Preprint Aug 2026

Orthogonal Polynomial Approximation for Matrix Log Normalization in Global Covariance Pooling

Global Covariance Pooling (GCP) improves deep networks by capturing second-order feature statistics, and is especially effective for fine-grained recognition. Because covariance matrices live on the Symmetric Positive Definite (SPD) manifold, a normalization step is required before the Euclidean classifier. The faithfu...

Md Rifat Ur Rahman, Md Raihan Khan, Md Sakib Hossain Shovon et al. · 0 citations

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