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Data Hiding for HTML Files Using Character Coding Table and Index Coding Table
( Yung-chen Chou ),( Ping-kun Hsu ),( Iuon-chang Lin ) 한국인터넷정보학회 2013 KSII Transactions on Internet and Information Syst Vol.7 No.11
A data hiding scheme in HTML files is presented in this paper. Web pages are a very popular medium for broadcasting information and knowledge nowadays, and web pages are a good way to achieve the goal of secret message delivery because the different HTML coding codes will render the same screen in any of the popular browsers. The proposed method utilizes the HTML special space codes and sentence segmentation to conceal secret messages into a HTML file. The experimental results show that the stego HTML file generated by the proposed method is imperceptible. Also, the proposed method can conceal one more secret bit in every between-word location.
Kao, Yung-Chou,Nguyen, Nhu-Tung,Chen, Mau-Sheng,Huang, Shyh-Chour Society for Computational Design and Engineering 2015 Journal of computational design and engineering Vol.2 No.4
In this paper, the cutting force calculation of ball-end mill processing was modeled mathematically. All derivations of cutting forces were directly based on the tangential, radial, and axial cutting force components. In the developed mathematical model of cutting forces, the relationship of average cutting force and the feed per flute was characterized as a linear function. The cutting force coefficient model was formulated by a function of average cutting force and other parameters such as cutter geometry, cutting conditions, and so on. An experimental method was proposed based on the stable milling condition to estimate the cutting force coefficients for ball-end mill. This method could be applied for each pair of tool and workpiece. The developed cutting force model has been successfully verified experimentally with very promising results.
Yuan-Chou Jing,Kun-Yung Chen 한국정밀공학회 2019 International Journal of Precision Engineering and Vol.20 No.4
The different state-error fitness functions (FFs) are proposed and compared numerically and experimentally to identify a motor-table system by using self-learning particle swarm optimization (SLPSO). Firstly, the completed mathematical model containing both of mechanical and electrical equations is successfully formulated. Secondly, the FFs containing different state-errors are compared by using PSO and SLPSO to identify the unknown parameters. It is found that the identify performance of the SLPSO algorithm by using FF with full-state error of displacement, velocity and current is the best than the other methods. Thus, the FF with full-state errors is adopted in experiments for a real mechatronic motor-table system. Then, the unknown parameters are successfully identified by the SLPSO algorithm. The contributions of this paper are: (1) the more states of the system are measured and used in the FF, the more parameters of system are accurately identified by the proposed identification approach, (2) the FF with full-state errors is performed in a real mechatronic motor-table system, and the unknown parameters are successfully identified by the SLPSO algorithm in experimental results.
Role-Balance Based Multi-Secret Images Sharing using Boolean Operations
( Chi-shiang Chan ),( Yung-chen Chou ),( Yi-hui Chen ),( Yuan-yu Tsai ) 한국인터넷정보학회 2014 KSII Transactions on Internet and Information Syst Vol.8 No.5
In 2011, Chen and Wu proposed their method of sharing n secret images to n+1 shadow images through the concept of a Boolean-based Visual Secret Sharing (VSS) method. However, the shadow images produced by this method are not equally important. If the participant who owns an important shadow image does not want to cooperate with other participants, most secret images can not be reconstructed. In the proposed method, the relationship between the shadows images and secret images are designed in a circular way mostly. Each shadow image only relates to two secret images. This means that if one participant refuses to cooperate with other participants, there are only two secret images which can not be reconstructed. Moreover, our proposed method only needs to produce n shadow images and n secret images can be shared to them.
Yuan-Hwa Chou,Po-Chung Chu,Szu-Wei Wu,Jen-Chin Lee,Yi-Hsuan Lee,I-Wen Sun,Chen-Lin Chang,Chien-Liang Huang,I-Chao Liu,Chia-Fen Tsai,Yung-Chieh Yen 대한정신약물학회 2015 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.13 No.2
Bipolar disorder (BD) is a major psychiatric disorder that is easily misdiagnosed. Patient adherence to a treatment regimen is of utmost importance for successful outcomes in BD. Several trials of antipsychotics suggested that depot antipsychotics, including long-acting first- and second-generation agents, are effective in preventing non-adherence, partial adherence, and in reducing relapse in BD. Various long-acting injectable (LAI) antipsychotics are available, including fluphenazine decanoate, haloperidol decanoate, olanzapine pamoate, risperidone microspheres, paliperidone palmitate, and aripiprazole monohydrate. Due to the increasing number of BD patients receiving LAI antipsychotics, treatment guidelines have been developed. However, the clinical applicability of LAI antipsychotics remains a global cause for concern, particularly in Asian countries. Expert physicians from Taiwan participated in a consensus meeting, which was held to review key areas based on both current literature and clinical practice. The purpose of this meeting was to generate a practical and implementable set of recommendations for LAI antipsychotic use to treat BD; target patient groups, dosage, administration, and adverse effects were considered. Experts recommended using LAI antipsychotics in patients with schizophrenia, rapid cycling BD, BD I, and bipolar-type schizoaffective disorder. LAI antipsychotic use was recommended in BD patients with the following characteristics: multiple episodes and low adherence; seldom yet serious episodes; low adherence potential per a physician’s clinical judgment; preference for injectable agents over oral agents; and multiple oral agent users still experiencing residual symptoms.
Indicator Elimination for Locally Adaptive Scheme Using Data Hiding Technique
( Hon-hang Chang ),( Yung-chen Chou ),( Timothy K. Shih ) 한국인터넷정보학회 2014 KSII Transactions on Internet and Information Syst Vol.8 No.12
Image compression is a popular research issue that focuses on the problems of reducing the size of multimedia files. Vector Quantization (VQ) is a well-known lossy compression method which can significantly reduce the size of a digital image while maintaining acceptable visual quality. A locally adaptive scheme (LAS) was proposed to improve the compression rate of VQ in 1997. However, a LAS needs extra indicators to indicate the sources, consequently the compression rate of LAS will be affected. In this paper, we propose a novel method to eliminate the LAS indicators and so improve the compression rate. The proposed method uses the concept of data hiding to conceal the indicators, thus further improving the compression rate of LAS. From experimental results, it is clearly demonstrated that the proposed method can actually eliminate the extra indicators while successfully improving the compression rate of the LAS.
Magnolol induces apoptosis via caspase-independent pathways in non-small cell lung cancer cells
Jong-Rung Tsai,Inn-Wen Chong,Yung-Hsiang Chen,Jhi-Jhu Hwang,Wei-Hsian Yin,Hsiu-Lin Chen,Shah-Hwa Chou,Chien-Chih Chiu,Po-Len Liu 대한약학회 2014 Archives of Pharmacal Research Vol.37 No.4
Magnolol, a hydroxylated biphenyl agent isolatedfrom herbal planet Magnolia officinalis, is a componentof traditional Asian herbal teas. It has been reported tohave anti-microbial, anti-inflammatory, and anti-canceractivity. Non-small cell lung cancer (NSCLC) cell lines(A549, H441 and H520) and normal human bronchialepithelial cells (HBECs) were used to evaluate the cytotoxiceffect of magnolol. We show that magnolol inhibitedcellular proliferation, increased DNA fragmentation, anddecreased mitochondrial membrane potential in all NSCLCcells, but had no cytotoxic effect on HBECs. Magnololtriggered the release of pro-apoptotic proteins: Bid, Bax and cytochrome c from mitochondria, but did not activatethe caspase-3, -8, and -9, suggesting that magnolol inducesapoptosis of NSCLC cell lines via a caspase-independentpathway. The caspase-independent pathway is mediatedthrough the activation of nuclear translocation of apoptosis-inducing factor, endonuclease G and cleaved poly(-ADP-ribose) polymerase, which played important roles inmediating cell death. Furthermore, magnolol inhibitedPI3K/AKT and ERK1/2 activity, but up-regulated p38 andJNK activity in A549 cell lines. The results of this studyprovided a basis for understanding and developing magnololas a novel treatment of NSCLC.
Magnolol induces apoptosis via caspase-independent pathways in non-small cell lung cancer cells
Tsai, Jong-Rung,Chong, Inn-Wen,Chen, Yung-Hsiang,Hwang, Jhi-Jhu,Yin, Wei-Hsian,Chen, Hsiu-Lin,Chou, Shah-Hwa,Chiu, Chien-Chih,Liu, Po-Len 대한약학회 2014 Archives of Pharmacal Research Vol.37 No.4
Magnolol, a hydroxylated biphenyl agent isolated from herbal planet Magnolia officinalis, is a component of traditional Asian herbal teas. It has been reported to have anti-microbial, anti-inflammatory, and anti-cancer activity. Non-small cell lung cancer (NSCLC) cell lines (A549, H441 and H520) and normal human bronchial epithelial cells (HBECs) were used to evaluate the cytotoxic effect of magnolol. We show that magnolol inhibited cellular proliferation, increased DNA fragmentation, and decreased mitochondrial membrane potential in all NSCLC cells, but had no cytotoxic effect on HBECs. Magnolol triggered the release of pro-apoptotic proteins: Bid, Bax and cytochrome c from mitochondria, but did not activate the caspase-3, -8, and -9, suggesting that magnolol induces apoptosis of NSCLC cell lines via a caspase-independent pathway. The caspase-independent pathway is mediated through the activation of nuclear translocation of apoptosis-inducing factor, endonuclease G and cleaved poly(-ADP-ribose) polymerase, which played important roles in mediating cell death. Furthermore, magnolol inhibited PI3K/AKT and ERK1/2 activity, but up-regulated p38 and JNK activity in A549 cell lines. The results of this study provided a basis for understanding and developing magnolol as a novel treatment of NSCLC.