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29 Result(s)
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Shu** Zhong
Mechatronics
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Book
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Chapter
Introduction and Background of Fiber-Reinforced Composite Materials
In this chapter, a general introduction and background information pertinent to the manufacturing of fiber-reinforced composite materials is provided outlining the general analysis and properties of these type...
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Chapter
Visual Testing for Fiber-Reinforced Composite Materials
In general, visual testing (VT) of fiber-reinforced composite structures (FRCS) is very important not only as an NDT technique in itself but also as a supplementary tool to any other instrumented NDT for the i...
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Chapter
Infrared Thermography Testing and Evaluation of Fiber-Reinforced Composite Materials
Infrared thermography (IRT) aims at the detection of surface or subsurface features of composite materials (e.g., fiber misalignments, voids, slag inclusions, etc.), based on temperature differences on the tes...
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Chapter
Application of Acoustic Emission for the Inspection of Fiber-Reinforced Composite Materials
Although the application of acoustic emission (AE) to the inspection of fiber-reinforced composite materials is highly beneficial due to its effectiveness in providing information about the incipient initiatio...
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Chapter
Conclusions, Current Developments, and Prospects in the NDT of Fiber-Reinforced Composites
In recent years, composite materials have gained popularity in numerous high-tech and engineering applications, owing to their outstanding physico-mechanical properties. They were initially used as fairings/re...
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Chapter
Introduction to Nondestructive Testing and Evaluation of Fiber-Reinforced Composites
This chapter discussed the different approaches used for the evaluation of the health status of composite materials using nondestructive testing and evaluation (NDT&E) techniques. The discussion started with t...
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Chapter
Ultrasonic Testing Techniques for Nondestructive Evaluation of Fiber-Reinforced Composite Structures
The recent years have been characterized by significant breakthroughs in the development and utilization of ultrasonic-based NDT techniques for the detection and characterization of various types of flaws in a...
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Chapter
Terahertz Testing Technique for Fiber-Reinforced Composite Materials
Terahertz (THz) systems constitute an effective tool for the NDT&E community for the testing and characterization of fiber-reinforced composite materials. However, their systems are still very complicated and ...
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Chapter
Other NDT Methods for Fiber-Reinforced Composite Structures
To respond to the constantly growing utilization and complexity of fiber-reinforced composite materials, robust and reliable NDT techniques are constantly being developed. However, there have been no clear ins...
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Chapter and Conference Paper
Design of Quaternary Logic Circuits Based on Multiple-Valued Current Mode
In order to improve the performance of arithmetic VLSI system, a novel structure of quaternary logic gates is proposed based on multiple-valued current mode (MVCM) by using dynamic source-coupled logic (SCL). ...
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Article
Extraction of color-intensity feature towards image authentication
A color-intensity feature extraction method is proposed aimed at supplementing conventional image hashing algorithms that only consider intensity of the image. An image is mapped to a set of blocks represented...
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Article
Parallel computation of unified finite-difference time-domain for underwater sound scattering
In this work, we treat scattering objects, water, surface and bottom in a truly unified manner in a parallel finite-difference time-domain (FDTD) scheme, which is suitable for distributed parallel computing in...
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Article
Layered image inpainting based on image decomposition
We propose a layered image inpainting scheme based on image decomposition. The damaged image is first decomposed into three layers: cartoon, edge, and texture. The cartoon and edge layers are repaired using an...
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Article
Recent development of perceptual image hashing
The easy generation, storage, transmission and reproduction of digital images have caused serious abuse and security problems. Assurance of the rightful ownership, integrity, and authenticity is a major concer...
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Article
Steganography in binary image by checking data-carrying eligibility of boundary pixels
We present a novel scheme for embedding secret data into a binary image without introducing noticeable artifacts. Unlike some block-based methods, the proposed scheme encodes the secret bits directly into boun...
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Article
Image block feature vectors based on a singular-value information metric and color-texture description
In this work, image feature vectors are formed for blocks containing sufficient information, which are selected using a singular-value criterion. When the ratio between the first two SVs are below a given thre...
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Article
Electrical impedance tomography using adaptive mesh refinement
In electrical impedance tomography (EFT), distribution of the internal resistivity or conductivity of an unknown object is estimated using measured boundary voltage data induced by different current patterns w...
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Article
Undercover communication using image and text as disguise and countermeasures
A brief survey of some representative techniques of steganography and steganalysis is presented. Various methods developed in the authors’ laboratory are introduced, including symmetric LSB embedding, secure s...
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Article
Spatial domain technique for visible watermarking
A new technique for embedding visible watermarks into a digital image is described in this paper, which uses statistical properties of each pixel and its immediate surrounding pixels in the host image, and als...
