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Article
Digital image watermarking based on discrete wavelet transform
This paper aims at digital watermark which is a new popular research topic recently, presents some methods to embed digital watermark based on modifying frequency coefficients in discrete wavelet transform (DW...
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Article
Inhibition of proliferation of osteosarcoma by nano calcium phosphates: potential hard tissue repair after tumor extraction
Spherical-or cylindrical-shaped nanosized calcium phosphate particles are considered as an integral part of biological hard tissues such as bone and tooth enamel. The size effects of these nanoparticles were e...
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Article
In vitro bioactivity and osteoblast-like cell test of zinc containing fluoridated hydroxyapatite films
Zinc containing fluoridated hydroxyapatite (ZnFHA) films on Ti6Al4V substrates was prepared using sol–gel dip-coating method. The release of zinc ions from ZnFHA film was controlled mainly by the zinc content ...
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Article
Stimulating effect of silica-containing nanospheres on proliferation of osteoblast-like cells
Silica and silica-based materials have been found widespread application for medical purposes, especially in the fields of bone tissue engineer. Nano-sized silica has been developed too and been considered to ...
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Chapter
Finite Element Modelling in Implant Dentistry
The use of numerical methods such as FEA has been adopted in solving complicated geometric problems, for which it is very difficult to achieve an analytical solution. FEA is a technique for obtaining a solutio...
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Chapter
Applications to Implant Dentistry
Although the precise mechanisms are not fully understood, it is clear that there is an adaptive remodelling response of surrounding bone to stresses. Implant features causing excessive high or low stresses can...
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Article
Open AccessImproved outcomes from the administration of progesterone for patients with acute severe traumatic brain injury: a randomized controlled trial
Severe traumatic brain injury (TBI) has been increasing with greater incidence of injuries from traffic or sporting accidents. Although there are a number of animal models of TBI using progesterone for head in...
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Chapter and Conference Paper
Digital Image Splicing Using Edges
In this paper we splice together an image which has been split up on a piece of paper by using duplication detection. The nearest pieces are connected using edge searching and matching. For the pieces that hav...
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Chapter and Conference Paper
Palmprint Recognition Based on Subspace Analysis of Gabor Filter Bank
This paper introduces a new technique for palmprint recognition based on Fisher Linear Discriminant Analysis (FLDA) of Gabor filter bank. This method involves convolving a palmprint image with a bank of Gabor ...
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Chapter
Partial Palmprint Matching Using Invariant Local Minutiae Descriptors
In forensic investigations, it is common for forensic investigators to obtain a photograph of evidence left at the scene of crimes to aid them catch the culprit(s). Although, fingerprints are the most popular ...
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Chapter
A Comprehensive Study of Visual Cryptography
Visual cryptography (VC) is a powerful technique that combines the notions of perfect ciphers and secret sharing in cryptography with that of raster graphics. VC takes a binary image (the secret) and divides i...
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Chapter
Secure Masks for Visual Cryptography
Visual cryptography provides a very powerful technique by which one secret can be distributed into two or more pieces known as shares. When the shares are printed on transparencies and then superimposed exactl...
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Chapter and Conference Paper
Plane Transform Visual Cryptography
Plane transformation visual cryptography takes a unique approach to some of the current shortcomings of current visual cryptography techniques. Typically, the direction and placement of the encrypted shares is...
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Chapter and Conference Paper
A Novel Collusion Attack Strategy for Digital Fingerprinting
Digital fingerprinting is a technology which aims to embed unique marks with traceability in order to identify users who use their multimedia content for unintended purpose. A cost-efficient attack against dig...
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Article
Fine-search for image copy detection based on local affine-invariant descriptor and spatial dependent matching
Copies are somehow a subset of near-duplicates, but the approaches extensively employed in near-duplicate retrieval only obtain rough and imprecise query results. Therefore a fine-search scheme is proposed to ...
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Article
A comprehensive study of visual event computing
This paper contains a survey on aspects of visual event computing. We start by presenting events and their classifications, and continue with discussing the problem of capturing events in terms of photographs,...
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Chapter and Conference Paper
Authenticating Visual Cryptography Shares Using 2D Barcodes
One of the problems pertinent with many visual cryptography (VC) schemes is that of authentication. VC provides a way of sharing secrets between a number of participants. The secrets are in the form of an imag...
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Article
The restoration of full-thickness cartilage defects with mesenchymal stem cells (MSCs) loaded and cross-linked bilayer collagen scaffolds on rabbit model
Cartilage has a limited self-repair capability and the repair of large cartilage defects remains a challenge in clinic. This study aimed to investigate the effect of mesenchymal stem cells (MSCs) loaded three-...
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Article
Mesenchymal stem cell-based treatment for cartilage defects in osteoarthritis
Osteoarthritis (OA) is a common disorder and the restoration of the diseased articular cartilage in patients with OA is still a challenge for researchers and clinicians. Currently, a variety of experimental st...
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Chapter
Surveillance Privacy Protection
Surveillance Privacy Protection (SPP) is a realistic issue in the world we are living in today. Due to the massive progress in technologies and systems, surveillance is becoming quite impossible to avoid. More...
