Results 11 to 20 of about 415,290 (251)
Applied Sciences, 2020 Video has become the most important medium for communication among people. Video has become the most important medium for communication among people. Therefore, reversible data hiding technologies for video have been developed so that information can be ...
Jinwoo Kang, Hyunjung Kim, Sang-ug Kang
doaj +1 more source
Nonlinear Error Correction for Color Phase-Shifting Profilometry with Histogram Equalization
Photonics, 2022 Because color patterns with multiple channels can carry more information than gray patterns with only one channel, color phase-shifting profilometry (CPSP) has been widely used for high-speed, three-dimensional (3D) shape measurement.
Bolin Cai +3 more
doaj +1 more source
International Journal of Distributed Sensor Networks, 2020 Histogram shifting is an effective manner to achieve reversible watermarking, which works by shifting pixels between the peak point and its nearest zero point in histogram to make room for watermark embedding.
Xin Tang +4 more
doaj +1 more source
An Efficient Prediction-and-Shifting Embedding Technique for High Quality Reversible Data Hiding
EURASIP Journal on Advances in Signal Processing, 2010 The embedding capacity of a histogram-based reversible data hiding technique is primarily determined by the peak height of the histogram. Recently, some studies have tried to embed data in the histogram of prediction errors by modifying the error values ...
Wien Hong
doaj +2 more sources
Mathematics, 2020 Due to the discreteness of integer data, there are a large number of gaps and continuous columns in the histogram based on integer data. Aiming at the characteristics, this paper presents a robust and reversible watermarking algorithm for a relational ...
Yan Li, Junwei Wang, Hongyong Jia
doaj +1 more source
Computers, 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.
Ching-Yu Yang, Ja-Ling Wu
doaj +1 more source
A Discrete Model for Histogram Shaping [PDF]
, 2002 The aim of this article is to present a discrete model for histogram shaping. This is an important image transformation with several practical applications. The model that is proposed is based on a generalization of the inferior part function.
Tabirca, S., Murphy, D., Pitt, I.
core +1 more source
Contextual and variational contrast enhancement [PDF]
, 2011 This paper proposes an algorithm which enhances the contrast of an input image using inter-pixel contextual information. The algorithm uses a two-dimensional (2D) histogram of the input image constructed using mutual relationship between each pixel and ...
Tjahjadi, Tardi +3 more
core +1 more source
Reversible Data Hiding With Image Enhancement Using Histogram Shifting
IEEE Access, 2019 Traditional reversible data hiding (RDH) focuses on enlarging the embedding payloads while minimizing the distortion with a criterion of mean square error (MSE).
Qichao Ying +3 more
doaj +1 more source
Secure Reversible Data Hiding in Images Based on Linear Prediction and Bit-Plane Slicing
Mathematics, 2022 Reversible Data Hiding (RDH) should be secured as per requirements to protect content in open environments such as the cloud and internet. Integrity and undetectability of steganographic images are amongst the main concerns in any RDH scheme.
Maham Nasir +6 more
doaj +1 more source