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Interpolation-based reference image estimation for video display field communication
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DOI：10.1364/OE.528013.png)
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Display field communication (DFC) is a frequency-based display-to-camera (D2C) communication technology. The digital display and the camera act as transmitter and receiver, respectively, and data are transmitted in a video via the D2C link. The essence of DFC is to minimize image distortion for the user while concealing data within the image for transmission. Unlike traditional Video-DFC methods that may suffer from high error rates due to reliance on a single reference image, our proposed Interpolated Video-DFC technique employs a novel interpolated reference image estimation strategy. This method significantly enhances data detection by leveraging interpolation between two reference image frames, enabling accurate estimation of each reference image frame corresponding to data-embedded frames. Comparative experiments highlight the advantages of our method, showing a data rate improvement of approximately 2.3kbps for frame packet length N = 10. Additionally, we achieved a substantial reduction in error rates to approximately 69% lower than those of conventional methods. These findings indicate a promising direction for improving the performance and reliability of D2C communication systems. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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IF:
3.3
论文数:
6.1W
被引数:
14.3W
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Performance evaluation of data embedding schemes for two-dimensional display field communication.png)
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