Developed data mining and collaboration filtering algorithms and models for eBay Recommender System.

Developed algorithms in the field of Document Image Processing: Border detection of the photographed documents, business cards and whiteboards, letters, pictures and tables detection, document structure recognition, document quality estimation: focus score, motion blur and noise level. Geometry correction of the distorted images in 2D and 3D.

Conducted advanced scientific research and analysis to solve problems in the field of Satellite Remote Sensing and Atmospheric Physics. Developed and implemented spectral reconstruction algorithms for the inference engine as a part of The Intelligent Symbiotic Instrument-Analysis Systems. Developed algorithms for the land features recognition from satellite and airborne imagery.

Participated in development of client-server real-time 3D web based viewer. Created JFC/Swing based GUI for navigation in model space, 3D scene representation and model labeling. Designed a method for automatically placing labels on the model parts under condition of maximal visibility. Developed measurement subsystem and 3D GUI for interactive calculation of distances, angles and radiuses of curvature of the model parts and surfaces. Developed and implemented algorithms for generation of cross-sectional slices of the geometrical model and mapped the slice into 2D canvas. Developed data structures which represented complex assembly models. Developed algorithms for representation of solid models based on adaptive subdivision surfaces. Developed prototype application for view dependent dynamical adaptation of the model geometry.

Developed and implemented algorithms for: Automatic and interactive 3D imaging and data registration; brain tissue segmentation based on cluster analysis and edge detection; Transformations and warping of the cerebral images, mapping images into common reference space. Invented and implemented methods for simultaneous calculation of the partial volumes of multiple connected area in 3D imaging data sets. Developed algorithms for recognition of the abnormal areas of brain images and tumor detection based on anatomical features and statistical pattern analysis methods.