A. T. Islam, S. Pramanik, Xinge Ji, J. Cole, Qiang Zhu
{"title":"Back translated peptide K-mer search and local alignment in large DNA sequence databases using BoND-SD-tree indexing","authors":"A. T. Islam, S. Pramanik, Xinge Ji, J. Cole, Qiang Zhu","doi":"10.1109/BIBE.2015.7367638","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367638","url":null,"abstract":"In the past, genome sequence databases had used main memory indexing, such as the suffix tree, for fast sequence searches. With next generation sequencing technologies, the amount of sequence data being generated is huge and main memory indexing is limited by the amount of memory available. K-mer based techniques are being more used for various genome sequence database applications such as local alignment. K-mer can also provide an excellent basis for creating efficient disk based indexing. In this paper, we have proposed a k-mer based database searching and local alignment tool using box queries on BoND-SD-tree indexing. BoND-tree is quite efficient for indexing and searching in Non-Ordered Discrete Data Space (NDDS). We have conducted experiments on searching DNA sequence databases using back translated protein query sequences and have compared with existing methods. We have also implemented local alignment of back translated protein query sequences with large DNA sequence databases using this index based k-mer search. Performances of this local alignment approach has been compared with that of Tblastn of NCBI. The results are quite promising and justify significance of the proposed approach.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131317072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H. Sharma, N. Zerbe, I. Klempert, Sebastian Lohmann, B. Lindequist, O. Hellwich, P. Hufnagl
{"title":"Appearance-based necrosis detection using textural features and SVM with discriminative thresholding in histopathological whole slide images","authors":"H. Sharma, N. Zerbe, I. Klempert, Sebastian Lohmann, B. Lindequist, O. Hellwich, P. Hufnagl","doi":"10.1109/BIBE.2015.7367702","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367702","url":null,"abstract":"Automatic detection of necrosis in histological images is an interesting problem of digital pathology that needs to be addressed. Determination of presence and extent of necrosis can provide useful information for disease diagnosis and prognosis, and the detected necrotic regions can also be excluded before analyzing the remaining living tissue. This paper describes a novel appearance-based method to detect tumor necrosis in histopathogical whole slide images. Studies are performed on heterogeneous microscopic images of gastric cancer containing tissue regions with variation in malignancy level and stain intensity. Textural image features are extracted from image patches to efficiently represent necrotic appearance in the tissue and machine learning is performed using support vector machines followed by discriminative thresholding for our complex datasets. The classification results are quantitatively evaluated for different image patch sizes using two cross validation approaches namely three-fold and leave one out cross validation, and the best average cross validation rate of 85.31% is achieved for the most suitable patch size. Therefore, the proposed method is a promising tool to detect necrosis in heterogeneous whole slide images, showing its robustness to varying visual appearances.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131950434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Blagojevic, J. Eric, M. Zivkovic, Ljiljana D. Tihacek Sojic
{"title":"Numerical modeling of the edentulous mandible with different mucosa thickness and resiliency using multiblock method","authors":"M. Blagojevic, J. Eric, M. Zivkovic, Ljiljana D. Tihacek Sojic","doi":"10.1109/BIBE.2015.7367710","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367710","url":null,"abstract":"In spite of numerous studies on biomechanics of the mucous membrane supported dentures, satisfactory determination of the mucous membrane loads is still lacking. The aim of this study was to evaluate the effect of different mucosa thickness and resiliency on stress distribution of complete denture using a three-dimensional finite element analysis. A edentulous mandible with complete denture was converted into a numerical model based on 3D measurements performed by an advanced topometric sensor digitizer (ATOS). This model was transformed into the desired coordinate system and resilient layers were modeled. In each group, mucosa assumed three characteristics of thickness (1, 3 and 5 mm) corresponding to the resiliencies hard, resilient and soft respectively. Evaluation was performed on NASTRAN software with 300N vertical load applied on central incisor teeth. The analyses were based on the maximum and minimum principal stress and displacement values in the supporting tissues. In this study, it was observed that stress decreased at the supporting tissues as mucosa thickness and resiliency increased. The total displacement values increased as the thickness and resiliency of mucosa increased for all structures. Based on the numerical results, the maximum stress values were concentrated in cortical bone.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121079438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Jawwad, Hossam H. Abolfotuh, Bassem A. Abdullah, Hani M. K. Mahdi, S. Eldawlatly
{"title":"A Kalman-based encoder for electrical stimulation modulation in a thalamic network model","authors":"A. Jawwad, Hossam H. Abolfotuh, Bassem A. Abdullah, Hani M. K. Mahdi, S. Eldawlatly","doi":"10.1109/BIBE.2015.7367642","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367642","url":null,"abstract":"Restoring vision is no longer impossible as a result of recent advances in neural interfaces. Successful demonstrations of retinal implants motivate the development of more effective visual prostheses. The thalamic Lateral Geniculate Nucleus (LGN) is one potential deep-brain interfacing site for visual prostheses. A main challenge in developing thalamic as well as other visual prostheses is optimizing the parameters of electrical stimulation. This paper introduces a Kalman-based optimal encoder whose function is to determine the optimal electrical stimulation parameters required to induce a certain visual sensation. The performance of the proposed approach is demonstrated using a probabilistic model of LGN neurons. Results demonstrate a significant similarity between neuronal responses obtained using electrical stimulation and the responses obtained using the corresponding visual stimuli with a mean correlation of 0.62 (P <; 0.01, n = 54). These results indicate the efficacy of the proposed optimal encoder in driving LGN neurons to induce visual sensations.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116688749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
B. Jeremic, N. Filipovic, Francese Casas, N. Cihoric, T. Djukić
{"title":"Metal-enhanced radiotherapy: Gold nanoparticles and beyond","authors":"B. Jeremic, N. Filipovic, Francese Casas, N. Cihoric, T. Djukić","doi":"10.1109/BIBE.2015.7367636","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367636","url":null,"abstract":"In order to improve locoregional tumor control obtainable with radiation therapy (RT) alone, many approaches have been used. In the past decade, focus of interests was on metal-enhanced RT as metal nanoparticles (NP) held promise in simulation studies as well as both in vitro and in vivo radiosensitizing investigations. Gold NPs have predominantly been studied showing unequivocally great potential for radiosensitization. In clinical scenarios, however, it is presently limited due to less sensitization when megavoltage beams (mostly used in clinic) are compared to kilovoltage beams. A number of other metal NPs are also under investigation as well as combination of RT-NP with either classical chemotherapy or targeted agents and other cancer treatments (hyperthermia, photodynamic therapy). Ultimately, more clinical studies are needed to verify these promising results in clinical setting.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123887090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A hierarchical neural network for predicting protein functions","authors":"J. C. Nievola, E. Paraiso, A. Freitas","doi":"10.1109/BIBE.2015.7367651","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367651","url":null,"abstract":"This paper introduces the use of a modified feedforward neural network to cope with the problem of predicting protein functions. Since this kind of classification task is inherently hierarchical, this work proposes the use of two different architectures for the modified feedforward neural network, both mimicking the hierarchical nature of the classes (protein functions) to be predicted. The first approach consists of four feed-forward neural networks in cascade, each one taking as input the classification obtained by the previous network, which means, the input to a network is the classes that could be assigned to the protein at the immediately higher (parent) level in the class hierarchy. The second approach is an extension of the first one, which also adds as input to each sub-network the attributes of the protein being classified. In both situations, it was used two kinds of feed-forward architectures: an Adaline network, which is composed of a single layer of adjustable weights, and a MLP (\"Multi-Layer Perceptron\"), composed by two layers of adjustable weights. Both approaches were compared with a baseline consisting of a single MLP that maps the input attributes to the classes of the lowest level in the hierarchy. The MLP was built with the input layer, plus one hidden layer and one output layer. The three approaches were compared on eight datasets, the first four involving the prediction of GPCR (G-Protein Coupled Receptor) functions and the second four datasets involving the prediction of enzymes functions. The results show that a big-bang hierarchical neural network, based on the MLP paradigm, using a top-down evaluation for new instances has better behavior in hierarchical problems, when compared to its flat version.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123355720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Mijailovic, R. Radakovic, A. Peulić, I. Milankovic, N. Filipovic
{"title":"Using force plate, computer simulation and image alignment in jumping analysis","authors":"N. Mijailovic, R. Radakovic, A. Peulić, I. Milankovic, N. Filipovic","doi":"10.1109/BIBE.2015.7367672","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367672","url":null,"abstract":"In this paper the methodology of vertical jump analysis is presented. Measured results of vertical force during jump are presented. Six subjects (members of \"Red star\" football club) perform different types of jump (flywheel jump, jump without flywheel, and jump with landing on the left and right foot while vertical ground reaction force is measured using a force plate. One axial load cell force sensor is also used. The measure value of force and position of a body part is used together with finite element method simulation in order to obtain von Mises stress distribution on the tibia, femur and cartilage in the knee joint. The average value of von Mises stress has a significant impact on the injuries and condition of the knee cartilage.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128796840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Radakovic, M. Dopsaj, Radun Vulović, B. Leontijević, N. Mijailovic, N. Filipovic
{"title":"The reliability of motion analysis of elite soccer players during match measured by the Tracking Motion software system","authors":"R. Radakovic, M. Dopsaj, Radun Vulović, B. Leontijević, N. Mijailovic, N. Filipovic","doi":"10.1109/BIBE.2015.7367676","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367676","url":null,"abstract":"The aim of this study is to determine the internal reliability volume of movements of top players during matches measured using a software system Tracking Motion. The research was conducted on a sample of 23 players, which were recorded during six official matches. The variables were administered to assess the internal variability of movement of top players during the match measured by Tracking Motion software system (BioIRC, Kragujevac, Serbia). Parameters' movement structure were analyzed using descriptive statistical method. The reliability of monitored variables was examined using linear regression analysis. The results for the reliability of motion analysis of elite soccer players during match measured by the Tracking Motion software system are shown.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130555605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Manic, Z. Stamenkovic, N. Vitković, M. Stojković, M. Trajanovic, J. Mitic, Sladjana Petrovic
{"title":"Customized anatomically adjusted plate for fixation of mandible internal fractures","authors":"M. Manic, Z. Stamenkovic, N. Vitković, M. Stojković, M. Trajanovic, J. Mitic, Sladjana Petrovic","doi":"10.1109/BIBE.2015.7367668","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367668","url":null,"abstract":"Mandible internal fractures are a common injury because of the mandible's lack of structural support. For the treatment of such injuries various fixation elements are used. In order to improve quality of the orthodontists interventions anatomically correct and geometrically accurate customized implants are necessary. In this paper an example of accurate geometrical model of the customized plate implant for the fixation of mandible fracture is presented. For the creation of such model new method has been developed. This method is based on reverse engineering techniques applied on the CT scan of the specific patient mandible. With the application of this method it is possible to create geometrical model of the customized plate implant which geometry and topology conforms to the shape of the mandible of the specific patient. The side of the implant, which is in contact with a periosteum outer layer of the mandible, is fully aligned with the shape of the mandible outer surface near the fracture. The obtained model(s) can be used for production of plate implants, and/or for simulation of orthodontist interventions.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129830409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Biofeedback in sport: Challenges in real-time motion tracking and processing","authors":"A. Kos, A. Umek, S. Tomažič","doi":"10.1109/BIBE.2015.7367681","DOIUrl":"https://doi.org/10.1109/BIBE.2015.7367681","url":null,"abstract":"Science and technology are ever more frequently used in sports for achieving the competitive advantage. Motion tracking systems, in connection to the biomechanical biofeedback, help in accelerating motor learning. Requirements about various parameters important in real-time biofeedback applications are discussed. Special focus is given on feedback loop delays and its real-time operation. Optical tracking and inertial sensor tracking systems are presented and compared. Real-time sensor signal acquisitions and real-time processing challenges, in connection to biomechanical biofeedback, are presented. This paper can serve as a starting point for determining the adequate combination of technical equipment and its specifications that work favorably for the operation of the planned real-time biofeedback application.","PeriodicalId":422807,"journal":{"name":"2015 IEEE 15th International Conference on Bioinformatics and Bioengineering (BIBE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130059600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}