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In this paper, a new reversible data hiding (RDH) algorithm that is based on the concept of shifting of prediction error histograms is proposed. The algorithm extends the efficient modification of prediction errors (MPE) algorithm by…

Multimedia · Computer Science 2016-05-10 Enas N. Jaara , Iyad F. Jafar

Pixel Value Ordering (PVO) holds an impressive property for high fidelity Reversible Data Hiding (RDH). In this paper, we introduce a dual-PVO (dPVO) for Prediction Error Expansion(PEE), and thereby develop a new RDH scheme to offer a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Md. Abdul Wahed , Hussain Nyeem

Expectation Propagation (EP)-based Multiple-Input Multiple-Output (MIMO) detector is regarded as a state-of-the-art MIMO detector because of its exceptional performance. However, we find that the EP MIMO detector cannot guarantee to achieve…

Signal Processing · Electrical Eng. & Systems 2020-10-21 Hang Chen , Guoqiang Yao , Jianhao Hu

We propose a PnP algorithm for a camera constrained to two-dimensional motion (applicable, for instance, to many wheeled robotics platforms). Leveraging this assumption allows accuracy and performance improvements over 3D PnP algorithms due…

Robotics · Computer Science 2024-03-11 Joshua Wang

Accurate and real-time three-dimensional (3D) pose estimation is challenging in resource-constrained and dynamic environments owing to its high computational complexity. To address this issue, this study proposes a novel cooperative…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Hyun-Ho Choi , Kangsoo Kim , Ki-Ho Lee , Kisong Lee

In this study, we propose a high-performance disparity (depth) estimation method using dual-pixel (DP) images with few parameters. Conventional end-to-end deep-learning methods have many parameters but do not fully exploit disparity…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Teppei Kurita , Yuhi Kondo , Legong Sun , Takayuki Sasaki , Sho Nitta , Yasuhiro Hashimoto , Yoshinori Muramatsu , Yusuke Moriuchi

Deep learning has significantly advanced image edge detection (ED), primarily through improved feature extraction. However, most existing ED models apply uniform feature fusion across all pixels, ignoring critical differences between…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Hao Shu

Any suitably well-posed PDE in two spatial dimensions can be represented as a Partial Integral Equation (PIE) -- with system dynamics parameterized using Partial Integral (PI) operators. Furthermore, $L_2$-gain analysis of PDEs with a PIE…

Optimization and Control · Mathematics 2024-06-18 Declan S. Jagt , Matthew M. Peet

Human pose estimation (HPE) has attracted a significant amount of attention from the computer vision community in the past decades. Moreover, HPE has been applied to various domains, such as human-computer interaction, sports analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Gongjin Lan , Yu Wu , Fei Hu , Qi Hao

Embedding techniques have become essential components of large databases in the deep learning era. By encoding discrete entities, such as words, items, or graph nodes, into continuous vector spaces, embeddings facilitate more efficient…

Information Retrieval · Computer Science 2024-10-18 Shiwei Li , Zhuoqi Hu , Xing Tang , Haozhao Wang , Shijie Xu , Weihong Luo , Yuhua Li , Xiuqiang He , Ruixuan Li

Enhancing visual qualities of images plays very important roles in various vision and learning applications. In the past few years, both knowledge-driven maximum a posterior (MAP) with prior modelings and fully data-dependent convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-12-26 Risheng Liu , Long Ma , Yiyang Wang , Lei Zhang

One of the fundamental problems in computer vision is the two-frame relative pose optimization problem. Primarily, two different kinds of error values are used: photometric error and re-projection error. The selection of error value is…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Andreas L. Teigen , Annette Stahl , Rudolf Mester

Differentiable rendering aims to compute the derivative of the image rendering function with respect to the rendering parameters. This paper presents a novel algorithm for 6-DoF pose estimation through gradient-based optimization using a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ramchander Rao Bhaskara , Roshan Thomas Eapen , Manoranjan Majji

Diffusion Probabilistic Models (DPMs) have shown a powerful capacity of generating high-quality image samples. Recently, diffusion autoencoders (Diff-AE) have been proposed to explore DPMs for representation learning via autoencoding. Their…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Zijian Zhang , Zhou Zhao , Zhijie Lin

Recent research on deep neural networks (DNNs) has primarily focused on improving the model accuracy. Given a proper deep learning framework, it is generally possible to increase the depth or layer width to achieve a higher level of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Litao Yu , Yongsheng Gao , Jun Zhou , Jian Zhang

In this paper, we present a deep learning-based numerical method for approximating high dimensional stochastic partial differential equations (SPDEs). At each time step, our method relies on a predictor-corrector procedure. More precisely,…

Numerical Analysis · Mathematics 2022-09-13 He Zhang , Ran Zhang , Tao Zhou

The point pair feature (PPF) is widely used for 6D pose estimation. In this paper, we propose an efficient 6D pose estimation method based on the PPF framework. We introduce a well-targeted down-sampling strategy that focuses more on edge…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Chenyi Liu , Fei Chen , Lu Deng , Renjiao Yi , Lintao Zheng , Chenyang Zhu , Jia Wang , Kai Xu

Parallelization and External Memory (PEM) techniques have significantly enhanced the capabilities of search algorithms when solving large-scale problems. Previous research on PEM has primarily centered on unidirectional algorithms, with…

Artificial Intelligence · Computer Science 2025-01-06 Lior Siag , Shahaf S. Shperberg , Ariel Felner , Nathan R. Sturtevant

Thanks to the development of 2D keypoint detectors, monocular 3D human pose estimation (HPE) via 2D-to-3D uplifting approaches have achieved remarkable improvements. Still, monocular 3D HPE is a challenging problem due to the inherent depth…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Jeongjun Choi , Dongseok Shim , H. Jin Kim

The ability to estimate the perceptual error between images is an important problem in computer vision with many applications. Although it has been studied extensively, however, no method currently exists that can robustly predict visual…

Computer Vision and Pattern Recognition · Computer Science 2018-06-07 Ekta Prashnani , Hong Cai , Yasamin Mostofi , Pradeep Sen
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