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We propose a novel JPEG XT image compression with hue compensation for two-layer HDR coding. LDR images produced from JPEG XT bitstreams have some distortion in hue due to tone mapping operations. In order to suppress the color distortion,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Hiroyuki Kobayashi , Hitoshi Kiya

Medical data often exhibits distribution shifts, which cause test-time performance degradation for deep learning models trained using standard supervised learning pipelines. This challenge is addressed in the field of Domain Generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Aleksandr Matsun , Numan Saeed , Fadillah Adamsyah Maani , Mohammad Yaqub

Purpose: Deformable image registration (DIR) is critical in adaptive radiation therapy (ART) to account for anatomical changes. Conventional intensity-based DIR methods often fail when image intensities differ. This study evaluates a hybrid…

Medical Physics · Physics 2024-11-27 Keyur D. Shah , James A. Shackleford , Nagarajan Kandasamy , Gregory C. Sharp

As a commonly-used image compression format, JPEG has been broadly applied in the transmission and storage of images. To further reduce the compression cost while maintaining the quality of JPEG images, lossless transcoding technology has…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Xiaoshuai Fan , Xin Li , Zhibo Chen

In order to achieve high practical security, Natural Steganography (NS) uses cover images captured at ISO sensitivity $ISO_{1}$ and generates stego images mimicking ISO sensitivity $ISO_{2}>ISO_{1}$. This is achieved by adding a stego…

Multimedia · Computer Science 2020-04-14 Taburet Théo , Bas Patrick , Sawaya Wadih , Jessica Fridrich

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

This paper focuses on steganography based on pixel intensity value decomposition. A number of existing schemes such as binary, Fibonacci, Prime, Natural, Lucas, and Catalan-Fibonacci (CF) are evaluated in terms of payload capacity and stego…

Multimedia · Computer Science 2020-04-28 Alan Anwer Abdulla , Harin Sellahewa , Sabah A. Jassim

The paper presents Deep Hiding Techniques (DHTs) that define general techniques that can be applied to every network steganography method to improve its undetectability and make steganogram extraction harder to perform. We define five…

Cryptography and Security · Computer Science 2011-07-21 Wojciech Fraczek , Wojciech Mazurczyk , Krzysztof Szczypiorski

Although deep learning-based methods have dominated stereo matching leaderboards by yielding unprecedented disparity accuracy, their inference time is typically slow, on the order of seconds for a pair of 540p images. The main reason is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Yiran Zhong , Charles Loop , Wonmin Byeon , Stan Birchfield , Yuchao Dai , Kaihao Zhang , Alexey Kamenev , Thomas Breuel , Hongdong Li , Jan Kautz

Recent expansions in multimedia devices gather enormous amounts of real-time images for processing and inference. The images are first compressed using compression schemes, like JPEG, to reduce storage costs and power for transmitting the…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Ming-Che Li , Archisman Ghosh , Shreyas Sen

We propose a practical approach to JPEG image decoding, utilizing a local implicit neural representation with continuous cosine formulation. The JPEG algorithm significantly quantizes discrete cosine transform (DCT) spectra to achieve a…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Woo Kyoung Han , Sunghoon Im , Jaedeok Kim , Kyong Hwan Jin

This paper proposed a DWT based Steganographic technique. Cover image is decomposed into four sub bands using DWT. Two secret images are embedded within the HL and HH sub bands respectively. During embedding secret images are dispersed…

Cryptography and Security · Computer Science 2012-09-04 Tanmay Bhattacharya , Nilanjan Dey , S. R. Bhadra Chaudhuri

The purpose of image steganalysis is to determine whether the carrier image contains hidden information or not. Since JEPG is the most commonly used image format over social networks, steganalysis in JPEG images is also the most urgently…

Multimedia · Computer Science 2023-06-14 Qiyun Liu , Zhiguang Yang , Hanzhou Wu

This paper studies the use of Set Shaping Theory (SST) as a reversible payload-shaping layer for least significant bit (LSB) image steganography. The proposal is not intended to replace existing steganographic methods or to compete with…

Image and Video Processing · Electrical Eng. & Systems 2026-05-20 Aida Koch , Logan Lewis , Lily Scott , Agi Weber

Change detection in heterogeneous remote sensing images is crucial for disaster damage assessment. Recent methods use homogenous transformation, which transforms the heterogeneous optical and SAR remote sensing images into the same feature…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Xiao Jiang , Gang Li , Yu Liu , Xiao-Ping Zhang , You He

Three-dimensional (3D) point clouds are becoming more and more popular for representing 3D objects and scenes. Due to limited network bandwidth, efficient compression of 3D point clouds is crucial. To tackle this challenge, the Moving…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Zehan Wang , Yuxuan Wei , Hui Yuan , Wei Zhang , Peng Li

Steganography schemes are designed with the objective of minimizing a defined distortion function. In most existing state of the art approaches, this distortion function is based on image feature preservation. Since smooth regions or clean…

Multimedia · Computer Science 2016-11-28 Jean-François Couchot , Raphaël Couturier , Yousra Ahmed Fadil , Christophe Guyeux

This paper introduces a new multiplane CGH computation method to reconstruct artefact-free high-quality holograms with natural-looking defocus blur. Our method introduces a new targeting scheme and a new loss function. While the targeting…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Koray Kavaklı , Yuta Itoh , Hakan Urey , Kaan Akşit

Digital steganography is becoming a common tool for protecting sensitive communications in various applications such as crime(terrorism) prevention whereby law enforcing personals need to remotely compare facial images captured at the scene…

Multimedia · Computer Science 2020-04-28 Alan A. Abdulla , Harin Sellahewa , Sabah A. Jassim

Accurate and dense depth estimation with stereo cameras and LiDAR is an important task for automatic driving and robotic perception. While sparse hints from LiDAR points have improved cost aggregation in stereo matching, their effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Ang Li , Anning Hu , Wei Xi , Wenxian Yu , Danping Zou