| Brand |
ERDAS |
| Brand/Model |
LPS |
| Date of Introduction |
1999 as OrthoBase |
| - System includes Hardware (Y/N) |
hardware available separately |
| - CPU (min./pref.) |
Intel Pentium 4 or higher/dual processors |
| - RAM memory [Mb] (min./pref.) |
2GB / 4GB |
| - Mass storage capacity (min./pref.) |
10GB / 1TB |
| - Graphic Card [Mb] (min./pref.) |
NVIDIA Quadro FX 3450/3500/4000/4500 (pref.)/4600 (pref); 3Dlabs Wildcat 4 7110/III 6110/ 5110 |
| - Supported special hardware[1] |
3D cursors and mouses; hand wheels; photogrammetric scanners; digitizers; stereo glasses |
| - User definable operations and extensions[2] |
EML, batch process with scripting |
| - Display memory [Mb] (min./pref.) |
256MB (min.) |
| - Size/resolution of screens [inches/pixels] |
80 (min.) |
| - Method of stereo image separation |
anaglyph; polarized glasses |
| - Supported Image Types[3] |
panchromatic; multispectral (bands unlimited), radar; push/whiskbroom; radar satellite, aerial, and terrestrial sensors |
| - Input image formats[4] |
virtually all |
| - Export data formats |
virtually all |
| - Compression techniques (Y (Type)/N) |
Y (JPEG, LZW, Packbits, RLE, JPEG2000, MrSID, ECW) |
| - Backup facilities included (Y/N) |
N |
| - Spatial Convolution (Y(specify)[5]/N) |
Y (smoothing, sharpening, user definable) |
| - Resampling (Y (specify)[6]/N) |
Y ([b], [c]) |
| - Radiometric corrections[7] |
Y |
| - Automatic aerotriangulation (Y/N) |
Y |
| - Automated blunder detection (Y/N) |
Y |
| - Self-calibration (Y/N) |
Y |
| - Automatic Matching (Y(specify[8])/N) |
Y (area based, least squares, cross correlation, hierarchical) |
| - 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 (Shapefile, DGN, TIN, DEM, DTM, Geodatabase, LAS, all LPS/IMAGINE supported formats) |
| - Semi-automatic corner point extraction (Y/N) |
N |
| - Semi-automatic line feature extraction |
Y (roads, edges, snakes) |
| - Semi-automatic building extraction (Y/N) |
N |
| - Major applications (max. 5) |
triangulation and ortho-mosaic production; mapping (broad area, engineering); transportation planning; close-range. |
| - Major advantages of this system, compared to other systems (max. 20 words) |
ease of use; breadth of functionality; scalability; blobal support; competitive pricing |
