Environmental, Water and Agricultural Engineering Transportation and Geo-Information Engineering Structural Engineering and Construction Management

Sagi Filin, Associate Professor

Transportation and Geo-Information Engineering
Phone: +972-4-829-5855
Fax: +972-4-829-5708
Email: filin@technion.ac.il
Address: Faculty of Civil and Environmental Engineering Technion - Israel Institute of Technology Haifa 32000, Israel
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Research Interests  
Laser scanning - airborne and terrestrial.
Photogrammetry.
Image Processing.
Geographic Information Systems.

 

Selected Publications

  1. Filin S., Doytsher Y., 1998. Estimating the accuracy of photogrammetric data - mechanism and implementation. Journal of Surveying Engineering - ASCE, 124(4),156-170.
  2. Filin, S., Doytsher, Y., 1999. A linear approach to map conflation: matching of polylines. Surveying and Land Information Systems. 59(2), 107-114.
  3. Filin, S., Doytsher, Y., 2000. The Detection of corresponding objects in a linear-based map conflation. Surveying and Land Information Systems. 60(2), 117-128.
  4. Doytsher, Y., Filin, S., Ezra, E., 2001. Transformation of a datasets in a linear-based map conflation framework. Surveying and Land Information Systems. 61(3), 159-169.
  5. Filin, S., Csatho, B., 2002. Improvement of elevation accuracy for mass balance monitoring using in-flight laser calibration. Annals of Glaciology. 34, 330-334.
  6. Filin, S., 2002, Surface clustering from airborne laser scanning data. International Archives of Photogrammetry and Remote Sensing. 34, 117-124.
  7. Filin, S., 2003. Analysis and Implementation of a laser strip adjustment model. International Archives of Photogrammetry and Remote Sensing. 34, 65-70.
  8. Filin, S., 2003. Recovery of Systematic Biases in Laser Altimetry Data Using Natural Surfaces. Photogrammetric Engineering & Remote Sensing. 69(11), 1235-1242.
  9. Filin, S., 2004. Surface classification from airborne laser scanning data. Computers &Geoscience. 30(9-10):1033-1041.
  10. Filin, S., Pfeifer, N. 2005. Neighborhood systems for airborne laser data. Photogrammetric Engineering & Remote Sensing. 71(6):743-755.
  11. Abo Akel N., Kremeike K., Filin S., Sester M., Doytsher Y., 2005. Dense DTM generalization aided by roads extracted from LiDAR data. International Archives of Photogrammetry and Remote Sensing. 36: 54-60.
  12. Pfeifer, N., Oude Elbrink, S., Filin, S., 2005. Automatic tie elements detection for laser scanner strip adjustment. International Archives of Photogrammetry and Remote Sensing. 36: 174-179.
  13. Shragai Z., Barnea S., Filin S., Zalmanson G., Doytsher Y., 2005. Automatic Image Sequence Registration Based on a Linear Solution and Scale Invariant Keypoint Matching. International Archives of Photogrammetry and Remote Sensing. 36: 5-11.
  14. Filin, S., 2006. Calibration of satellite laser altimeters - an algorithm and a new look into the issue of site selection. IEEE transactions on Geoscience and Remote Sensing. 44(6):1484-1492.
  15. Filin, S., Pfeifer, N., 2006. Improved segmentation of airborne laser surfaces using adaptive distance based neighborhood. ISPRS journal of Photogrammetry and Remote Sensing. 60(2):71-80.
  16. Filin, S., Abo Akel, N., Kremeike K., Sester M., Doytsher Y., 2007. Interpretation and Generalization of 3D Landscapes from LiDAR Data. Cartography and Geographic Information Science. 34(3): 231-243.
  17. Abo Akel N., Filin S., Doytsher Y., 2007. Orthogonal Polynomials Supported by Region Growing Segmentation for the Extraction of Terrain from LiDAR Data. Photogrammetric Engineering & Remote Sensing. 73(11): 1253-1266.
  18. Filin, S., Abo-Akel, N., Doytsher, Y., 2007. Detection and reconstruction of free form surfaces from airborne laser scanning data. International Archives of Photogrammetry and Remote Sensing. 36(3/W52): 119-124.
  19. Barnea, S., Filin, S., 2007. Registration of terrestrial laser scans via image based features. International Archives of Photogrammetry and Remote Sensing. 36(3/W52): 26-31.
  20. Zeibak, R., Filin, S., 2007. Change detection via terrestrial laser scanning. International Archives of Photogrammetry and Remote Sensing. 36(3/W52): 430-435.
  21. Barnea, S., Filin, S., Alchanaties, V., 2007. A supervised approach for object extraction from terrestrial laser point clouds demonstrated on trees. International Archives of Photogrammetry and Remote Sensing. 36 (3/W49A): 135-140.
  22. Barnea, S., Filin, S., 2008. Keypoint Based Autonomous Registration of Terrestrial Laser Point Clouds. ISPRS journal of Photogrammetry and Remote Sensing. 63(1):19-35.
  23. Baruch, A., Filin, S., 2008. Detection of subtle ridgelines from laser scanning data. International Archives of Photogrammetry and Remote Sensing. 37(B3/A) : 111-118.
  24. Filin, S., Borka, A., Doytsher, Y., 2008. From 2D to 3D Land Parcelation: Fusion of LiDAR Data and Cadastral Maps. Surveying and Land Information Systems. 68(2): 81-91.
  25. Nadel, D., G. Lengyel, F. Bocquentin, A. Tsatskin, D. Rosenberg, R. Yeshurun, G. Bar-Oz, D.E. Bar-Yosef M., R. Beeri, L. Conyers, Filin, S., I. Hershkovitz, A.Kurzawska and L. Weissbrod. 2008. The Late Natu_an at Raqefet Cave: The 2006 Excavation Season. Journal of the Israel Prehistoric Society. 38: 59-131.
  26. Klein, I., Toledo, T., Filin, S., 2008. Vehicle Detection in the Far Field of View of Video Sequences. Transportation Research Record. 2086: 23-29.
  27. Abo Akel, N., Filin, S., Doytsher, Y., 2009. Reconstruction of Complex Shape Buildings from LiDAR Data Using Free Form Surfaces. Photogrammetric Engineering & Remote Sensing. 75(3): 271-280.
  28. Goldshlager, N., Filin, S., Abergel, S., 2009. A Linear Photogrammetric Method for Measuring Erosion in Agricultural Fields. Transactions of the American Society of Agriculture and Biological Engineering. 52(2): 437-445.
  29. Filin, S., Borka, A., Doytsher, Y., 2009. Generation of Parcelation Proposals Aided by LiDAR Derived Spatial Cues. Computers, Environment and Urban Systems. 33(4): 278-284.
  30. Filin, S., Vered, Y., 2009. Effect of physical constraints on spatial connectivity in urban areas. Nordic Journal of Surveying and Real Estate Research. 6: 69-83.
  31. Feingersh, T., Ben-Dor E., Filin, S., 2010. Correction of reflectance anisotropy: a multi-sensor approach. International Journal of Remote Sensing. 31(1): 49-74.
  32. Filin, S., Baruch, A., 2010. Sinkhole hazards detection and characterization supported by airborne laser scanning. Photogrammetric Engineering & Remote Sensing (in press).

Graduate Students

 

Completed Theses

  1. Shahaf Levin, M.Sc. in Mapping and Geo-Information Engineering, 2008. Close-range photogrammetry using DTM as control surfaces. Supervisor: Sagi Filin.
  2. Reem Zeibak, M.Sc. in Mapping and Geo-Information Engineering (cum laude), 2008. Change detection via terrestrial laser scanning. Supervisor: Sagi Filin.
  3. Yoav Vered, M.Sc. in Mapping and Geo-Information Sciences, 2008.  The influence of physical constraints on the levels of spatial connectivity. Supervisor: Sagi Filin.
  4. Shlomo Abergerl, M.Sc. in Mapping and Geo-Information Engineering, 2008. Quantification of soil erosion in agricultural fields using monoscopic photogrammetry. Supervisors: Sagi Filin, Naftali Goldshleger (Ministry of Agriculture and Rural Development).
  5. Amit Baruch, Master in Mapping and and Geo-Information Engineering, 2009. Perceptual organization models for the extraction of micro-topographic structures in airborne laser scanning data.

Theses in progress

  1. Nizar Abo-Akel, Ph.D. in Mapping and Geo-Information Engineering. Thesis title: Automatic building extraction using airborne laser scanning data. Supervisors: Yerach Doytsher, Sagi Filin.
  2. Shahar Barnea, Ph.D. in Mapping and Geo-Information Engineering. Thesis title: Fusion of photogrammetric, spectral and laser scanning data for registration and surface reconstruction. Supervisors: Sagi Filin, Victor Alchanatis (Ministry of Agriculture and Rural Development).
  3. Gili Telem, Ph.D. in Mapping and Geo-Information Engineering. Photogrammetric Models for Underwater Mapping. Supervisor: Sagi Filin.
  4. Amit Baruch, special track for Ph.D. in Mapping and Geo-Information Engineering. Perceptual organization models for the extraction of micro-topographic structures in airborne laser scanning data. Supervisor: Sagi Filin.
  5. Itzik Klein, Ph.D. in Mapping and Geo-Information Engineering. Enhancing urban navigation under different scenarios by using sensory inputs. Supervisors: Tomer Toledo, Sagi Filin.
  6. Ran Lati, Ph.D. in Mapping and Geo-Information Sciences. Range based spatio-temporal models for weed control in row crops. Supervisors: Sagi Filin, Hanan Eizenberg (Ministry of Agriculture and Rural Development).
  7. Shahaf Levin, Ph.D. in Mapping and Geo-Information Engineering, Efficient modeling of complex scenes by means of close range photogrammetry. Supervisor: Sagi Filin.
  8. Shalev Mor, special track for Ph.D. in Mapping and Geo-Information Engineering.  Integration of sensory information for rapid scene modeling. Supervisor: Sagi Filin.
  9.   Rachael Brown-Goodman, M.A. in Archaeology, Analysis of Natufian & PPNA MBHs (Mortars and Cupmarks) using Photogrammetry & 3D Modeling. Supervisors: Dani Nadel (The University of Haifa), Sagi Filin.
  10. Zachi Stein, M.Sc. in Mapping and Geo-Information Engineering. Models for analyzing spaceborne laser waveforms. Supervisor: Sagi Filin. 
  11. Tomer Shem-Tov, M.Sc. in Mapping and Geo-Information Science. Use of weak features for image-based recognition of geographic entities. Supervisor: Sagi Filin.

 

 
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