http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114565523-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b7e3232a43a0493b81dca15abd7e44be |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2207-20024 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2207-30201 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T2207-10032 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06T5-002 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06T5-00 |
| filingDate | 2022-02-18^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_55fd49650c5a1f79a48ee8bd4741d261 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_63a3275d78a7d0c97cfdf73647bc330b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c8378944f212bbcbae2050eae049d8f1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb263e8fa3267fa9b321778155c7027e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ca5f14e678740014d1debd8194ec908b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_87041d2c34fdb968720cadee6d86ec32 |
| publicationDate | 2022-05-31^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114565523-A |
| titleOfInvention | A Fractional Derivative-Based Aerial Image Data Enhancement Method |
| abstract | The present invention proposes an aerial image data enhancement method based on fractional derivative. In the method, the image data is enhanced by constructing a fractional difference filter. Compared with the known definition of fractional calculus, the present invention The proposed fractional-order difference filter is directly derived from the difference operation, and for a data sequence of length m+1, the performed order difference is mα, and α can be any complex number. The filter constructed by the present invention includes real part, imaginary part, phase angle part and modulus part. When the sequence of excitation filter is symmetrical, the mode distribution of the filter is also symmetrical, but the phase angle distribution is sometimes symmetrical and sometimes complementary . Since the present invention constructs filters in complex domains, one-dimensional and two-dimensional filters can be constructed naturally. Compared with traditional filters such as LoG, the filters constructed by the present invention can reveal more information details, and at the same time have a good effect on noise. Stronger robustness plays a certain role in the field of aerial image data enhancement. |
| priorityDate | 2022-02-18^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID962 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419512635 |
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