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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yamada, T. Kamitani, M. Nakamura, H. Ohta, T. |
| Copyright Year | 2015 |
| Description | Author affiliation: Center for Technol. Innovation, Hitachi, Ltd., Yokohama, Japan (Yamada, T.) || Contents Solution Div., Hitachi Solutions, Ltd., Tokyo, Japan (Kamitani, M.) || News Tech. Center, Japan Broadcasting Corp., Tokyo, Japan (Nakamura, H.; Ohta, T.) |
| Abstract | The implementation of a previously developed method for rough image analysis for detecting watermarks in displayed video content using a smart device has been improved. The computational load involved in processing a full-size image was reduced by using Gaussian filtering to analyze the complexity of the image regions. Watermarks are assumed to be embedded in those regions with higher complexity. Regions are then checked for watermarks in descending order of complexity. Quick and reliable watermark detection is achieved by adjusting the number of regions checked so that the computational load matches device-hardware performance. Evaluation demonstrated that the improved implementation can detect watermarks at 18 fps compared with 10 fps for the previous implementation. |
| Sponsorship | IIAI |
| Starting Page | 225 |
| Ending Page | 228 |
| File Size | 279996 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479999576 |
| e-ISBN | 9781479999583 |
| DOI | 10.1109/IIAI-AAI.2015.164 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-07-12 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Measurement Correlation Image analysis Watermarking Reader application Complexity theory Reliability Smart device Video watermark |
| Content Type | Text |
| Resource Type | Article |
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