You are currently on the new version of our website. Access the old version .

699 Results Found

  • Article
  • Open Access
7 Citations
2,321 Views
19 Pages

31 May 2023

In this paper, we propose a reversible data hiding scheme in an encrypted image based on bit-plane redundancy of prediction error. The scheme greatly improves the embedding capacity while maintaining lossless image recovery and error-free secret data...

  • Article
  • Open Access
5 Citations
3,218 Views
20 Pages

20 July 2021

Pixel value ordering and prediction error expansion (PVO+PEE) is a very successful reversible data hiding (RDH) scheme. A series of studies were proposed to improve the performance of the PVO-based scheme. However, the embedding capacity of those sch...

  • Article
  • Open Access
3 Citations
2,203 Views
15 Pages

7 August 2022

To achieve a good trade-off between the data-embedding payload and the data-embedding distortion, mainstream reversible data hiding (RDH) algorithms perform data embedding on a well-built prediction error histogram. This requires us to design a good...

  • Article
  • Open Access
8 Citations
2,757 Views
22 Pages

The existing digital watermarking schemes for vector maps focus mainly on the process of watermark embedding, while few works have been conducted on the topic of the self-optimization of watermark data in the process of watermark detection. There is...

  • Article
  • Open Access
7 Citations
3,417 Views
26 Pages

12 November 2021

During medical treatment, personal privacy is involved and must be protected. Healthcare institutions have to keep medical images or health information secret unless they have permission from the data owner to disclose them. Reversible data hiding (R...

  • Article
  • Open Access
8 Citations
3,695 Views
23 Pages

28 February 2022

In the past few years, with the development of information technology and the focus on information security, many studies have gradually been aimed at data hiding technology. The embedding and extraction algorithms are mainly used by the technology t...

  • Article
  • Open Access
210 Views
26 Pages

25 December 2025

Prediction Error Ordering (PEO) can integrate the encoding gains of both prediction and sorting by replacing the PVO (Pixel Value Ordering) pixel blocks with prediction-error blocks before sorting. It remains an open topic to construct a consistent,...

  • Article
  • Open Access
5 Citations
2,315 Views
19 Pages

4 June 2023

The tooth surface structure of spiral bevel gear is complex and requires high machining accuracy. In order to reduce the tooth form deformation of heat treatment, this paper proposes a reverse adjustment correction model of tooth cutting for heat tre...

  • Article
  • Open Access
17 Citations
4,116 Views
13 Pages

Granger Causality on forward and Reversed Time Series

  • Martina Chvosteková,
  • Jozef Jakubík and
  • Anna Krakovská

30 March 2021

In this study, the information flow time arrow is investigated for stochastic data defined by vector autoregressive models. The time series are analyzed forward and backward by different Granger causality detection methods. Besides the normal distrib...

  • Review
  • Open Access
8 Citations
14,704 Views
17 Pages

On the Legibility of Mirror-Reflected and Rotated Text

  • Gennady Erlikhman,
  • Lars Strother,
  • Iskra Barzakov and
  • Gideon Paul Caplovitz

23 February 2017

We happened to observe that text that was reflected about either the horizontal or vertical axis was more difficult to read than text that was reflected about first one and then the other, which amounts to a 180-degree rotation. In this article, we r...

  • Article
  • Open Access
1,500 Views
11 Pages

27 November 2023

The literature offers various methods for measuring sound localization. In this study, we aimed to compare these methods to determine their effectiveness in addressing different research questions by examining the effect sizes obtained from each meas...

  • Article
  • Open Access
3 Citations
2,408 Views
21 Pages

28 December 2022

To reduce the impact of offshore launching platform motion and swaying on the self-alignment accuracy of a launch vehicle, a rapid self-alignment strategy, which involves an optimal combination of anti-swaying coarse alignment (ASCA), backtracking na...

  • Article
  • Open Access
1 Citations
2,257 Views
17 Pages

Chaos Detection by Fast Dynamic Indicators in Reflecting Billiards

  • Gabriele Gradoni,
  • Giorgio Turchetti and
  • Federico Panichi

23 August 2023

The propagation of electromagnetic waves in a closed domain with a reflecting boundary amounts, in the eikonal approximation, to the propagation of rays in a billiard. If the inner medium is uniform, then the symplectic reflection map provides the po...

  • Article
  • Open Access
8 Citations
3,481 Views
17 Pages

24 October 2021

The purpose of the current study was to test sound localization of a spoken word, rarely studied in the context of localization, compared to pink noise and a gunshot, while taking into account the source position and the effect of different hearing p...

  • Article
  • Open Access
78 Citations
6,131 Views
15 Pages

A Scenario-Generic Neural Machine Translation Data Augmentation Method

  • Xiner Liu,
  • Jianshu He,
  • Mingzhe Liu,
  • Zhengtong Yin,
  • Lirong Yin and
  • Wenfeng Zheng

Amid the rapid advancement of neural machine translation, the challenge of data sparsity has been a major obstacle. To address this issue, this study proposes a general data augmentation technique for various scenarios. It examines the predicament of...

  • Article
  • Open Access
4 Citations
4,521 Views
20 Pages

30 November 2022

The radial error is the key performance indicator of ultra-precision axis. In order to measure and evaluate the radial error of ultra-precision axis with nanometer accuracy, a measurement system with an accuracy of nanometer based on capacitive displ...

  • Article
  • Open Access
1 Citations
788 Views
18 Pages

Reversible Watermarking for Electrocardiogram Protection

  • Pavel Andreev,
  • Anna Denisova and
  • Victor Fedoseev

30 March 2025

The electrocardiogram (ECG) is one of the widespread diagnostic methods used in telemedicine. However, in the telemedicine systems, the data transfer process to the end user may suffer from security risks. Reversible watermarking can preserve the sec...

  • Article
  • Open Access
8 Citations
3,553 Views
16 Pages

In Situ Measurement of Spindle Radial Error for Ultra-Precision Machining Based on Three-Point Method

  • Hanwei Xu,
  • Zizhou Sun,
  • Yifan Dai,
  • Chaoliang Guan,
  • Hao Hu and
  • Yu Wang

14 March 2023

The radial error is an important parameter to evaluate the performance of ultra-precision spindles. The three-point method has not yet been well applied in nanometer-scale measurement due to its disadvantages of harmonic suppression and the complicat...

  • Article
  • Open Access
2 Citations
918 Views
19 Pages

4 June 2025

In reversible data hiding, prediction error generation plays a crucial role, with pixel value ordering (PVO) standing out as a prediction method that achieves high fidelity. However, conventional PVO approaches select predicted pixels and their predi...

  • Article
  • Open Access
6 Citations
5,207 Views
18 Pages

25 April 2017

In this paper, reversible data-hiding (RDH) systems with modified fluctuation functions and rate-matched Reed–Solomon (RS) codes are proposed to enhance the data recovery from encrypted images. The modified fluctuation functions are used for estimati...

  • Article
  • Open Access
5 Citations
4,826 Views
20 Pages

28 March 2017

Recently, much attention has been paid to reversible data hiding (RDH) in encrypted images, since it preserves the data that the original image can be perfectly recovered after data extraction while protecting the confidentiality of image content. In...

  • Article
  • Open Access
1,805 Views
23 Pages

29 October 2021

In previous research, scholars always think about how to improve the information hiding algorithm and strive to have the largest embedding capacity and better image quality, restoring the original image. This research mainly proposes a new robust and...

  • Article
  • Open Access
4 Citations
3,075 Views
20 Pages

Reversible Data Hiding Scheme in Homomorphic Encrypted Image Based on EC-EG

  • Neng Zhou,
  • Minqing Zhang,
  • Han Wang,
  • Mengmeng Liu,
  • Yan Ke and
  • Xu An Wang

20 July 2019

To combine homomorphic public key encryption with reversible data hiding, a reversible data hiding scheme in homomorphic encrypted image based on EC-EG is proposed. Firstly, the cover image is segmented. The square grid pixel group randomly selected...

  • Article
  • Open Access
2 Citations
1,954 Views
19 Pages

12 September 2024

To improve the accuracy of camera calibration, a novel optimization method is proposed in this paper, which combines convex lens imaging with the bionic algorithm of Wolf Pack Predation (CLI-WPP). During the optimization process, the internal paramet...

  • Article
  • Open Access
1 Citations
878 Views
23 Pages

Reversible data hiding typically relies on two main techniques: prediction-error expansion and histogram shifting. These techniques complement each other to facilitate effective data embedding by defining non-positive and non-negative thresholds, the...

  • Article
  • Open Access
13 Citations
2,856 Views
20 Pages

13 July 2020

Recently, Li et al. proposed a data hiding method based on pixel value ordering (PVO) and prediction error expansion (PEE). In their method, maximum and minimum values were predicted and the pixel values were modified to embed secret data. Thereafter...

  • Article
  • Open Access
2 Citations
2,764 Views
15 Pages

5 September 2021

Reversible data hiding in encrypted images (RDHEI) is a technology which embeds secret data into encrypted images in a reversible way. In this paper, we proposed a novel high-capacity RDHEI method which is based on the compression of prediction error...

  • Article
  • Open Access
4 Citations
3,071 Views
17 Pages

13 January 2023

Model-based optimization is an important means by which to analyze the energy-saving potential of chiller plants. To obtain reliable energy-saving results, model calibration is essential, which strongly depends on operating data. However, sufficient...

  • Article
  • Open Access
6 Citations
3,098 Views
31 Pages

25 June 2023

Using majorization theory via “Robin Hood” elementary operations, optimal lower and upper bounds are derived on Rényi and guessing entropies with respect to either error probability (yielding reverse-Fano and Fano inequalities) or total variation dis...

  • Article
  • Open Access
5 Citations
2,318 Views
14 Pages

9 September 2019

This paper proposes a reversible data hiding technique based on the residual histogram shifting technique. To improve the hiding capacity, this study proposes a multiple-round hierarchical prediction mechanism that generates the prediction errors of...

  • Article
  • Open Access
3,349 Views
18 Pages

18 September 2023

Although reversible data hiding technology is widely used, it still faces several challenges and issues. These include ensuring the security and reliability of embedded secret data, improving the embedding capacity, and maintaining the quality of med...

  • Article
  • Open Access
14 Citations
3,211 Views
18 Pages

20 September 2022

This paper proposes a novel reversible data-hiding method in encrypted images to achieve both a high hiding capacity and good compression performance. The proposed method can also decrypt marked encrypted images without data extraction, so marked ima...

  • Article
  • Open Access
16 Citations
5,019 Views
17 Pages

4 January 2019

In this paper, a novel, real-time, error-free, reversible data hiding method for encrypted images has been proposed. Based on the (7, 4) Hamming code, we designed an efficient encoding scheme to embed secret data into the least significant bits (LSBs...

  • Article
  • Open Access
2 Citations
2,069 Views
22 Pages

Adaptive 3D Reversible Data Hiding Technique Based on the Cumulative Peak Bins in the Histogram of Directional Prediction Error

  • Dima Kasasbeh,
  • Mohammed Anbar,
  • Ghassan Issa,
  • Basim Ahmad Alabsi and
  • Shaza Dawood Ahmed Rihan

Reversible data hiding (RDH) is crucial in modern data security, ensuring confidentiality and tamper-proofness in various industries like copyright protection, medical imaging, and digital forensics. As technology advances, RDH techniques become esse...

  • Article
  • Open Access
3 Citations
2,623 Views
10 Pages

Glycogen Storage Disease: Expert Opinion on Clinical Diagnosis Revisited after Molecular Testing

  • Rafael de Marchi,
  • Tatiele Nalin,
  • Fernanda Sperb-Ludwig,
  • Franciele Cabral Pinheiro,
  • Ida Vanessa Doederlein Schwartz and
  • Carlos Eduardo Steiner

15 December 2023

This study sought to analyze whether an accurate diagnosis of the type and subtype of hepatic Glycogen Storage Diseases (GSDs) could be performed based on general clinical and biochemical aspects via comparing the proposed diagnostic hypotheses with...

  • Article
  • Open Access
3 Citations
4,393 Views
19 Pages

18 May 2021

In this paper we study the effect that mean-reverting components in the arithmetic dynamics of electricity spot price have on the price of a call option on a swap. Our model allows for seasonal effects, spikes, and negative values of the price of ele...

  • Article
  • Open Access
4 Citations
2,600 Views
17 Pages

12 March 2023

In this work, we introduce a new method for the establishment of a symmetric secret key through the reconciliation process in QKD systems that, we claim, is immune to the error rate of the quantum channel and, therefore, has an efficiency of 100% sin...

  • Article
  • Open Access
3 Citations
2,122 Views
19 Pages

28 June 2022

The rapid development of internet and social media has driven the great requirement for information sharing and intelligent property protection. Therefore, reversible information embedding theory has marked some approaches for information security. A...

  • Article
  • Open Access
11 Citations
2,443 Views
15 Pages

Positioning Algorithm of MEMS Pipeline Inertial Locator Based on Dead Reckoning and Information Multiplexing

  • Xiaofeng Wei,
  • Shiwei Fan,
  • Ya Zhang,
  • Longkang Chang,
  • Guochen Wang and
  • Feng Shen

15 September 2022

High-precision mapping and positioning of urban underground pipelines are the basic requirements of urban digital construction. Aiming at the above problems, a dead reckoning algorithm based on the starting point and ending point correction and forwa...

  • Article
  • Open Access
1,319 Views
20 Pages

A Method for Borehole Image Reverse Positioning and Restoration Based on Grayscale Characteristics

  • Shuangyuan Chen,
  • Zengqiang Han,
  • Yiteng Wang,
  • Yuyong Jiao,
  • Chao Wang and
  • Jinchao Wang

30 December 2024

Borehole imaging technology is a critical means for the meticulous measurement of rock mass structures. However, the inherent issue of probe eccentricity significantly compromises the quality of borehole images obtained during testing. This paper pro...

  • Article
  • Open Access
11 Citations
5,985 Views
17 Pages

Palm orientation reversal errors (e.g., producing the ‘bye-bye’ gesture with palm facing inward rather than outward as is customary in American culture) have been documented in the signing of deaf and hearing children with autism spectrum...

  • Article
  • Open Access
1 Citations
1,933 Views
17 Pages

Optimization of the Weld Pool Boundary Calculated by the LSTM-Based Measurement Method in GTAW

  • Jinping Liu,
  • Shaojie Wu,
  • Yingchao Feng,
  • Guowei Pan,
  • Peng Chen,
  • Xiaodong Yang and
  • Cancan Yan

6 August 2022

The shape of the weld pool surface contains a lot of important features to reflect the quality of the weld. However, it is difficult to obtain the weld pool boundary precisely. In this paper, a boundary extension method is designed first to optimize...

  • Article
  • Open Access
1 Citations
2,647 Views
25 Pages

27 October 2021

There are two kinds of working mechanisms for the Stirling cycle, i.e., the positive and the reverse cycles, and a Stirling engine (SE) can be operated as a Stirling refrigerator (SR). This indicates that a probable practical method for evaluating th...

  • Article
  • Open Access
7 Citations
2,328 Views
17 Pages

20 July 2023

An optimized scheme can improve the navigation accuracy of RINS without changing the inertial devices. In the multi-position stop scheme, the IMU remains stationary for most of the time, which makes motor control easier. However, the installation err...

  • Article
  • Open Access
3 Citations
7,133 Views
12 Pages

This paper studies option pricing based on a reverse engineering (RE) approach. We utilize artificial intelligence in order to numerically compute the prices of options. The data consist of more than 5000 call- and put-options from the German stock m...

  • Article
  • Open Access
3 Citations
2,222 Views
19 Pages

23 January 2025

As artificial intelligence increasingly automates the recognition and analysis of visual content, it poses significant risks to privacy, security, and autonomy. Computer vision systems can surveil and exploit data without consent. With these concerns...

  • Article
  • Open Access
386 Views
25 Pages

23 October 2025

Predicting urban water consumption helps managers allocate, reserve, and schedule water resources in advance, avoiding supply–demand imbalances. In practical terms, the improved forecasting model can assist urban water managers in planning supp...

  • Article
  • Open Access
22 Citations
3,760 Views
14 Pages

2 July 2018

This paper proposes a joint coding and reversible data hiding method for absolute moment block truncation coding (AMBTC) compressed images. Existing methods use a predictor to predict the quantization levels of AMBTC codes. Equal-length indicators, s...

  • Article
  • Open Access
6 Citations
1,820 Views
18 Pages

11 August 2024

In addressing the challenging issue of impact source localization for large-scale anisotropic stiffened compartmental cylindrical shell structures, this paper presents a novel impact localization method. The method is based on a time-reversal virtual...

  • Article
  • Open Access
289 Views
19 Pages

4 November 2025

Symmetric regression deals with a reversible functional relationship involving a set of variables, where all of them are measured with error and it is not meaningful to consider one as the response and the remaining ones as explanatory. Therefore, it...

of 14