http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-3019352-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f62945445d236402a160ee8b773f1c38 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06V20-90 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06V20-80 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F17-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06K9-00 |
| filingDate | 2014-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ad2325f7f4d31a5def5af9a2f248cc35 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_29330f27891c610b67925874ab4fe021 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b7485374abdb444f90937b13d000a8fa |
| publicationDate | 2015-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | FR-3019352-A1 |
| titleOfInvention | PHOTOGRAPHIC MODEL IDENTIFICATION SYSTEM ASSOCIATED WITH JPEG-COMPRESSED IMAGE, METHOD, USES AND APPLICATIONS THEREOF |
| abstract | A system and method for identifying a camera model from a photograph in the form of a compressed image having followed a post-acquisition processing and responding to a linear relationship between expectation and the variance of the pixels such that: σγyi2 = c μγi + d where c and d are two parameters characterizing said camera model and μγi and σγi2 respectively denote the expectation and the mathematical variance of a pixel yi in position i; the system comprises an image processing device adapted to process said photograph using the parameters 'c' and 'd' and a third 'gamma correction' parameter (Y), so as to determine a generalized noise pattern of said photograph. The system further comprises a device for performing statistical hypothesis tests on the pixel distribution and a statistical analysis device for determining whether said photograph has been taken by said camera model or another camera model. photographic. The invention further relates to the use of the method and its application. |
| priorityDate | 2014-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.