http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111382715-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_738f5e20a7df4bef94b62787711d00de |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06N3-045 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06N3-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06F18-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06F18-241 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06V20-13 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06N3-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06K9-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06K9-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06N3-04 |
| filingDate | 2020-03-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9e20875be77c9f11d62f6a707503d9a8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0e290273e2575227b7fb5b2c74b14ef3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ef12978c772a7ab2ad17c99ffee7b1ee |
| publicationDate | 2020-07-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111382715-A |
| titleOfInvention | A method for extracting feature elements in topographic map |
| abstract | The invention discloses a method for extracting feature elements in a topographic map, comprising: generating an orthophoto and DSM based on remote sensing images; making a sample library for each type of element respectively; The sample library is used to match different objects in the image to obtain the surface area of the feature elements, probe the surface and extract the boundary vector of the objects; the buildings are matched on the original image, and the non-buildings are matched on the orthoimage; Refine the ground object boundary vector; convert the refined 2D curve into a 3D curve; use rational polynomial transformation or forward intersection to convert the building boundary from a 2D curve to a 3D curve, and use DSM interpolation for non-building boundaries The algorithm converts the two-dimensional curve to the three-dimensional curve; the three-dimensional curve is processed to obtain the topographic map. The invention reduces manual links in the production of topographic maps and greatly improves the processing efficiency of geographic information data. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-116107476-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-116107476-A |
| priorityDate | 2020-03-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.