Heyan Wang

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Baoding, CN

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Patents Grantslast 30 patents

Information Patent Grant
Watermarking method for high-definition map based on invisible char...
- Patent number 12,014,440
- Issue date Jun 18, 2024
- NANJING NORMAL UNIVERSITY
- Na Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Generation method, detection method, generation device, and detecti...
- Patent number 11,983,789
- Issue date May 14, 2024
- NANJING NORMAL UNIVERSITY
- Na Ren
- G06 - COMPUTING CALCULATING COUNTING