22 Result(s)
within
Tung-Shou Chen
Computer Science
-
Article
On the bitmap compression for joint coding and data hiding of AMBTC compressed images
The compressed code of Absolute Moment Block Truncation Coding (AMBTC) consists of quantized values (QVs) and bitmaps. The QVs exhibit greater predictability, and the bitmaps themselves carry more randomness. ...
-
Chapter and Conference Paper
An Egg Sorting System Combining Egg Recognition Model and Smart Egg Tray
Modern agriculture is at the forefront of technological transformation. Smart agricultural technology and mechanical automation are bringing unprecedented opportunities and challenges to the field. This study ...
-
Article
An adaptive data hiding for AMBTC compressed images with recoverability using bound shifting technique
This paper proposes an efficient data hiding method for absolute moment block truncation coding (AMBTC) images with the recoverability of compressed code. The existing methods sacrifice some embedding capacity...
-
Article
Personalized live streaming channel recommendation based on most similar neighbors
With the rapid development of mobile network technology, an increasing number of viewers are watching channels through live streaming platforms, and thousands upon thousands of channels are broadcasting on the...
-
Article
Privacy-Preserving Algorithms for Multiple Sensitive Attributes Satisfying t-Closeness
Although k-anonymity is a good way of publishing microdata for research purposes, it cannot resist several common attacks, such as attribute disclosure and the similarity attack. To resist these attacks, many ref...
-
Article
A reversible data hiding scheme based on absolute moment block truncation coding compression using exclusive OR operator
Due to a rapid increase in copyright infringement, protecting secret information during transmission on the Internet is very important. More and more researchers have proposed solutions such as steganography, ...
-
Article
An efficient authentication method for AMBTC compressed images using adaptive pixel pair matching
The existing image authentication methods for absolute moment block truncation coding (AMBTC) modify the bits of quantitation levels or bitmaps to embed the authentication code (AC). However, the modification ...
-
Chapter and Conference Paper
Reversible Data Hiding in Partially-Encrypted Images
This paper presents a novel reversible data hiding method for medical images with privacy protection in only partial of the image areas. Specifically, only those areas with privacy protection requirement are e...
-
Article
An efficient reversible data hiding method for AMBTC compressed images
Analyzing multimedia data in mobile devices is often constrained by limited computing capacity and power storage. Therefore, more and more studies are trying to investigate methods with algorithm efficiency. S...
-
Article
Data hiding in AMBTC images using quantization level modification and perturbation technique
A novel data hiding method for Absolute Moment Block Truncation Coding (AMBTC) compressed image based on quantization level modification is proposed. Blocks of AMBTC-compressed image are classified into two ca...
-
Article
Reversible privacy preserving data mining: a combination of difference expansion and privacy preserving
Privacy Preserving Data Mining (PPDM) can prevent private data from disclosure in data mining. However, the current PPDM methods damaged the values of original data where knowledge from the mined data cannot b...
-
Chapter and Conference Paper
Reversible Data Embedment for Encrypted Cartoon Images Using Unbalanced Bit Flip**
In this paper, we propose a reversible data hiding technique to improve Zhang and Hong et al.’s methods on cartoon images. Zhang and Hong et al. exploit the block complexity for data extraction and image recov...
-
Chapter and Conference Paper
A Study Using Genetic Algorithm and Support Vector Machine to Find Out How the Attitude of Training Personnel Affects the Performance of the Introduction of Taiwan TrainQuali System in an Enterprise
After entering knowledge economy era, human resource has become one of the most important manufacturing elements of an enterprise, hence, human resource incubation has become one of the important jobs of enter...
-
Chapter and Conference Paper
Using Sequential Pattern Mining to Analyze the Behavior on the WELS
Sequential pattern mining is an important data-mining method for determining time-related behavior in sequence database. This study used the methods of Sequential Pattern Mining to design a system, which was t...
-
Chapter and Conference Paper
Exploring Teachers’ Involvement by Using Fuzzy Theory
With the improvement of the Internet bandwidth and techniques, e-learning environments have been more convenient than ever; they are beyond the limits of time and space, accessible at anytime and anywhere. Eve...
-
Chapter and Conference Paper
A New Binary Classifier: Clustering-Launched Classification
One of the powerful classifiers is Support Vector Machine (SVM), which has been successfully applied to many fields. Despite its remarkable achievement, SVM is time-consuming in many situations where the data ...
-
Chapter and Conference Paper
Hardware Accelerator for Vector Quantization by Using Pruned Look-Up Table
Vector quantization (VQ) is an elementary technique for image compression. However, searching for the nearest codeword in a codebook is time-consuming. The existing schemes focus on software-based implementati...
-
Chapter and Conference Paper
A Research to Increase Users’ Satisfaction and Loyalty Based on the Customer Satisfaction Index: A Case Study on the National Taichung Institute of Technology’s Library
A good library can make significant contributions to library users. These users are likely to return to the library again and again where service is excellent and materials are accessible easily. The research ...
-
Chapter and Conference Paper
A New Detection Method for Tampered Audio Signals Based on Discrete Cosine Transformation
This article proposes a detection method to solve the problem of determining whether the audio data has been tampered with or not. In many situations, we need to authenticate audio data as an original or some ...
-
Article
A simple and efficient watermark technique based on JPEG2000 Codec
In this paper we propose an effective watermark scheme for embedding and extracting based on the JPEG2000 Codec process. Our embedding algorithm applies the torus automorphisms (TA) technique to break up and s...
