Data Scientist

Thanasi Tsitsoulis

Resume

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H +1-971-***-****

B ac3hmt@r.postjobfree.com

Employment

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Senior Software Engineer (Data Science), Manzama, Bend OR, USA. Assisted in the design and development of data and client driven solutions using machine learning and statistical analysis. Manipulated large and fragmented data sets using a variety of tools and drew insights that increased the accuracy and efficiency of the predictive platform. 06/24/14–

11/30/16

Data Analytics/Modeling Analytics Engineer, Finch Computing, Beavercreek OH, USA.

Worked as a researcher and data modeling engineer and applied data analysis techniques across a wide variety of structured and unstructured data. Collected and processed real world natural language data and assisted in designing data models for contextual data recognition. 02/14/14–

05/14/14

Computer Vision Engineer, Research and Development, Entryless, Menlo Park CA, USA.

Designed and developed image processing and machine learning methods for knowledge extraction from financial statements.

03/13/13–

07/13/13

Software Developer (Image Processing) Intern, Intel Co., Hillsboro OR, USA. Designed and developed a framework for automatic evaluation of application behavior (respon- siveness to input received from a variety of sensors) using image processing. Education

04/10–12/13 Ph.D. in Computer Engineering, Wright State University, Dayton OH, USA. Area of expertise: Computer Vision/Image Processing, Pattern Recognition/Machine Learning. Thesis: A Methodology for Extracting Human Bodies from Single Images. Teaching Assistant:

{ C Programming for Engineers

{ Software Engineering

09/02–09/08 Diploma in Computer Engineering, University of Patras, Patras Achaia, Greece. Area of expertise: Natural Language Processing, Artificial Intelligence. Thesis: Implementation of a System for Automatic Translation of Natural Language Sentences into First Order Logic.

Teaching Assistant:

{ Artificial Intelligence

{ Knowledge Representation on Semantic Web

Skills

Languages Python, C, C++, Java, Matlab, PHP, SQL, HTML Areas of

expertise

Computer Vision, Image Processing, Natural Language Processing, Data Analysis, Machine Learning

Selected Projects

1

Sentiment

analysis

i) Features: word weighting, ngrams, word embeddings, ii) ML: LDA (topic estimation), SVM, MNBC, bidirectional LSTM neural network.

Categorization

of document

images

Image processing to extract, clean and dewarp documents from real world photographs. Image based matching for information extraction using OCR, image descriptors (SIFT, ORB, etc) and FLANN.

GRANSAC RANSAC implementation using Genetic Algorithms. Face

detection

Image segmentation based feature extraction and graph based detection. Skin

detection

Selection of image segments that resemble the skin of a detected face according to Multivariate Gaussian Distribution similarity and a NN trained model. Human body

extraction

Features from multilevel image segmentation and extraction based on information gathered from the face region (location, size, color, etc). Reviewer

Journals IJAIT, IJMSTR

Conferences CSE, ICIAP

Selected Publications

Journals A. Tsitsoulis and N. Bourbakis, An LG-graph-based early evaluation of segmented images, 2012 Meas. Sci. Technol. 23 114007.

A. Tsitsoulis and N. Bourbakis, A first stage comparative survey on human activity recognition methodologies. Special Issue on Visual Computing: 8th International Symposium (ISVC12) IJAIT, 22(6), December 2013.

A. Tsitsoulis and N. Bourbakis, A Methodology for Extracting Standing Human Bodies From Single Images, Human-Machine Systems, IEEE Transactions on, vol.45, no.3, pp. 327-338, June 2015.

Conferences A. Tsitsoulis, N. Bourbakis, A Metric for Quick Evaluation of Image Segmentation Methods, NAECON 2011, July 20 - 22, 2011.

A. Tsitsoulis, N. Bourbakis, A Methodology For Detecting Faces From Different Views, IEEE Int. Conf. on Tools with AI, November 2012, Greece. A. Tsitsoulis, N. Bourbakis, Surveillance Issues in a Smart Home Environment, IEEE Int. Conf. on Tools with AI, November 2012, Greece. A. Tsitsoulis, N. Bourbakis, Towards Automatic Hands Detection in Single Color Images, ICIAP2013, 11-13 September, Castel dell’Ovo, Naples, Italy, 2013. A. Tsitsoulis, N. Bourbakis, Automatic Extraction of Upper Human Body in Single Images, IISA2013, 10-12 July, 2013.

2

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