在之前有幾個針對H.264/AVC的資料隱藏方法被提出，但是這些方法遭遇到幅內編碼中的錯誤傳遞問題。在本論文中，我們第一個提出植基於DCT/DST的HEVC幅內編碼之資料隱藏方法。本論文分析DCT和DST的係數特性去找出不會造成錯誤傳遞的轉換係數位置。所提出的植基於DCT/DST的HEVC資料隱藏演算法是對我們另一個植基於DCT的H.264/AVC資料隱藏法的擴充。實驗結果顯示我們提出的HEVC資料隱藏方法的優勢包含1.無錯誤傳遞的幅內編碼2.嵌入資訊後的畫面品質3.繼承自HEVC的壓縮效能4.在低碼率時，相較於我們和Ma等人在H.264/AVC所提出的資料隱藏方法，有較好的嵌入容量。

Previously several data hiding methods were presented for H.264/AVC, but they suffer from the error propagation problem in intra-coded frames. In this thesis, we present the first DCT/DST-based data hiding algorithm for HEVC intra-coded frames where the block DCT and DST coefficient characteristics are investigated to locate the transformed coefficients that can be perturbed without propagating errors to neighboring blocks.The proposed DCT/DST-based data hiding algorithm for HEVC is the extension of our another DCT-based data hiding algorithm for H.264/AVC. Experimental results confirm the merits of the proposed data hiding algorithm for HEVC in providing the intra-frame error propagation-free advantage, the quality improvement for marked images, the compression power inherited from HEVC, and the superiority of embedding capacity for low bitrate coding when compared with the previous two algorithms for H.264/AVC, one by us and the other by Ma et al.

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