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Author

Djordje Stanković

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2 papers indexed here

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Sep 2026

A Block-Based DCT Image Steganography using L-estimation approach and Sparse Reconstruction

The paper proposes a transform-domain image steganography approach that is based on the discrete cosine transform and sparse reconstruction principles. The proposed approach embeds secret information in the form of sinusoidal components within a limited number of randomly selected image blocks. This allows controlled a...

Djordje Stanković, Andjela Draganić, Xiu-Mei Li · 0 citations
Preprint Aug 2026

Closed-Form Nonlocal Shrinkage for Multiplicative Image Denoising and SAR Despeckling

Multiplicative noise poses a challenge in coherent and signal-dependent imaging owing to its intensity-dependent variance and frequently non-Gaussian distribution. We propose a deterministic nonlocal estimator that combines a logarithmic Yeo--Johnson transformation, patch grouping, an adaptive singular basis, and spars...

Xuran Hu, Mingzhe Zhu, Djordje Stanković et al. · 0 citations

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