頁籤選單縮合
題名 | Grey Image Integration= |
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作者 | Hsieh,Cheng-hsiung; |
期刊 | 中華民國資訊學會通訊 |
出版日期 | 20000300 |
卷期 | 3:1 2000.03[民89.03] |
頁次 | 頁31-42 |
分類號 | 400.24 |
語文 | eng |
關鍵詞 | Grey image integration; Grey data fitting model; GDFM; |
英文摘要 | In this paper, an approach to image integration based on grey data fitting model (GDFM) isproposed where several secret images can be embedded in the cover image. Note that the GDFM modelis of the property of dynamic range reduction and that embedding secret image into transformed coverimage is equivalent to adding noise to the cover image. In the proposed approach, the integratingprocess includes four phases: (a) to transform the cover image by DCT (discrete cosine transformation),(b) to reduce the dynamic range of secret images by GDFM model, (c) to embed GDFM-convertedsecret images into DCT-transformed cover image, and (d) to obtained modified cover image by inverseDCT. Simulation results show that the proposed approach gives very high visual quality and PSNR,both in the cover image with embedded data and reconstructed secret images. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。