| Brand |
ESPA Systems Ltd |
| Brand/Model |
ESPA Systems software |
| Date of Introduction |
1996 |
| - System includes Hardware (Y/N) |
N |
| - CPU (min./pref.) |
PC-workstation |
| - RAM memory [Mb] (min./pref.) |
1024Mb / 4096 Mb |
| - Mass storage capacity (min./pref.) |
as required |
| - Graphic Card [Mb] (min./pref.) |
OpenGL |
| - Supported special hardware[1] |
stereoscopic display |
| - User definable operations and extensions[2] |
EspaGate API library |
| - Display memory [Mb] (min./pref.) |
256MB / 1024MB |
| - Size/resolution of screens [inches/pixels] |
24inch / 1920x1200 |
| - Method of stereo image separation |
several alternatives |
| - Supported Image Types[3] |
Digital frame cameras; scanned aerial photographs |
| - Input image formats[4] |
TIFF, BigTIFF, JPEG, Shape, LAS |
| - Export data formats |
TIFF, BigTIFF, JPEG, Shape, LAS |
| - Compression techniques (Y (Type)/N) |
Y (JPEG, GZIP) |
| - Backup facilities included (Y/N) |
N |
| - Spatial Convolution (Y(specify)[5]/N) |
Y (sharpening) |
| - Resampling (Y (specify)[6]/N) |
Y ([b]) |
| - Radiometric corrections[7] |
Y (Atmospheric, sensor specific) |
| - Automatic aerotriangulation (Y/N) |
N |
| - Automated blunder detection (Y/N) |
N |
| - Self-calibration (Y/N) |
Y |
| - Automatic Matching (Y(specify[8])/N) |
Y (cross correlation) |
| - Automatic breakline extraction (Y/N) |
N |
| - Interactive mosaicking of orthoimages (Y/N) |
Y |
| - True Orthoimage Generation (Y/N) |
N |
| - Integration with other data sets (Y(specify[9])/N) |
Y (vector data, DEM, 3D point clouds) |
| - Semi-automatic corner point extraction (Y/N) |
N |
| - Semi-automatic line feature extraction |
N |
| - Semi-automatic building extraction (Y/N) |
Y |
| - Major applications (max. 5) |
mapping; automatic terrain modelling; processing of 3D point clouds; orthophoto production and mosaicking |
| - Major advantages of this system, compared to other systems (max. 20 words) |
scalable photogrammetric package that ties together stereoscopic mapping, point cloud data processing and spatial data maintenance in GIS |
