Results 31 to 40 of about 388 (166)

A Multiresolution Image Completion Algorithm for Compressing Digital Color Images

open access: yesJournal of Applied Mathematics, 2014
This paper introduces a new framework for image coding that uses image inpainting method. In the proposed algorithm, the input image is subjected to image analysis to remove some of the portions purposefully.
R. Gomathi, A. Vincent Antony Kumar
doaj   +1 more source

Perceptual watermarking for Discrete Shearlet transform [PDF]

open access: yes2014 5th European Workshop on Visual Information Processing (EUVIP), 2014
This paper presents a new perceptual watermarking model for Discrete Shearlet transform (DST). DST provides the optimal representation [10] of the image features based on multi-resolution and multi-directional analysis. This property can be exploited on for watermark embedding to achieve the watermarking imperceptibility by introducing the human visual
Baharak Ahmaderaghi   +3 more
openaire   +3 more sources

Convex multiclass segmentation with shearlet regularization [PDF]

open access: yesInternational Journal of Computer Mathematics, 2013
Segmentation plays an important role in many preprocessing stages in image processing. Recently, convex relaxation methods for image multi-labeling were proposed in the literature. Often these models involve the total variation (TV) semi-norm as regularizing term.
Sören Häuser, Gabriele Steidl
openaire   +2 more sources

FMDNet: Spatial‐frequency feature routing for low‐dose CT denoising

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 6, June 2026.
Abstract Background Low‐dose computed tomography (LDCT) is widely used to reduce radiation exposure, but the reduced photon budget amplifies quantum noise and can introduce structured artifacts that obscure subtle boundaries and textures. Many deep learning denoisers process features in a single stream, which may encourage either over‐smoothing of weak
Yujie Yao   +6 more
wiley   +1 more source

Pedestrian detection algorithms using shearlets

open access: yes, 2018
In this thesis, we investigate the applicability of the shearlet transform for the task of pedestrian detection. Due to the usage of in several emerging technologies, such as automated or autonomous vehicles, pedestrian detection has evolved into a key ...
Pfeifer, Lienhard
core   +2 more sources

Evolution of the East Antarctic Ice Sheet Since Glacial Inception From Seismic Stratigraphic Records in Vincennes Bay

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 4, April 2026.
Abstract Seismic reflection data from Vincennes Bay, East Antarctica, provide the first insights into the Cenozoic evolution of the East Antarctic Ice Sheet (EAIS) in the Knox Coast. Long‐distance seismic horizon correlation allows age estimates for the seismic stratigraphic framework constructed for the continental shelf.
Timo Mühlberger‐Krause   +7 more
wiley   +1 more source

Research on Precise Identification of Rock Strength Based on Bolt Drilling Parameters

open access: yesEnergy Science &Engineering, Volume 14, Issue 3, Page 1353-1371, March 2026.
Drilling detection test platform. ABSTRACT During roadway excavation, the presence of weak interlayers and fractured rock masses significantly affects roof stability. To achieve timely and effective roadway support, it is crucial to identify and predict different rock types based on drilling signals from roof bolters.
Qiang Zhu   +4 more
wiley   +1 more source

Continuous Shearlet Tight Frames [PDF]

open access: yesJournal of Fourier Analysis and Applications, 2010
ISSN:1531 ...
openaire   +4 more sources

Multimodal Medical Image Fusion in Spatial‐Transformed Domains

open access: yesIET Computers &Digital Techniques, Volume 2026, Issue 1, 2026.
Fusion of multimodal medical images has become an essential reference for clinical diagnosis and a prominent topic in information fusion research. However, balancing the fusion performance with computational efficiency remains a challenging issue. In this paper, we propose an effective and efficient hybrid fusion method for multimodal medical images ...
Yisheng Rong   +5 more
wiley   +1 more source

A Robust Reversible Watermarking Algorithm Resistant to Geometric Attacks Based on Tchebichef Moments

open access: yesIET Image Processing, Volume 20, Issue 1, January/December 2026.
This paper presents a robust reversible watermarking algorithm based on Chebyshev moments, employing a two‐stage embedding mechanism. The proposed method leverages image block partitioning to embed the copyright watermark and the reversible watermark into non‐overlapping regions located inside and outside the inscribed circle of the image, respectively.
Wenjing Sun, Ling Zhang, Hongjun Zhang
wiley   +1 more source

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