2012 19th IEEE International Conference on Image Processing 2012
DOI: 10.1109/icip.2012.6466955
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End-to-end distortion estimation for H.264 with unconstrained intra prediction

Abstract: This paper presents a macroblock-level algorithm to estimate the end-to-end distortion of H.264/AVC-based video transmission that allows unrestricted intra prediction. Some fast approximations are developed to reduce its complexity so that it can be used in real-time applications. Experimental results demonstrate the performance of the algorithm and the impact of the unconstrained intra prediction.

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Cited by 4 publications
(2 citation statements)
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References 8 publications
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“…Later the most robust coding modes are selected by applying these computed distortion terms inside the RDO cost function. Later, the method proposed in [3] was further enhanced in [4] by additionally incorporating the error propagation through the Unconstrained Intra Prediction (UIP) mode available in H.264, where UIP refers to the prediction of I MBs (Macroblocks) using already encoded neighboring P MBs which lie in adjacent video packets. Furthermore, as a consequence of propagated channel error, certain pixel values at the decoder could exceed their nominal range (i.e., for 8 bit precise videos, nominal range of pixels values are between 0 and 255) in which case the decoder performs a clipping operation to retain them within the nominal range.…”
Section: Related Workmentioning
confidence: 99%
“…Later the most robust coding modes are selected by applying these computed distortion terms inside the RDO cost function. Later, the method proposed in [3] was further enhanced in [4] by additionally incorporating the error propagation through the Unconstrained Intra Prediction (UIP) mode available in H.264, where UIP refers to the prediction of I MBs (Macroblocks) using already encoded neighboring P MBs which lie in adjacent video packets. Furthermore, as a consequence of propagated channel error, certain pixel values at the decoder could exceed their nominal range (i.e., for 8 bit precise videos, nominal range of pixels values are between 0 and 255) in which case the decoder performs a clipping operation to retain them within the nominal range.…”
Section: Related Workmentioning
confidence: 99%
“…In these works, the recursive optimal per-pixel estimation algorithm and its extension are proposed to estimate the end-to-end distortion by recursively calculating the first and second moments of the reconstructed pixel values, from which the distortion at the decoder side can be precisely predicted by the encoder. On the other hand, in order to reduce the computational complexity and memory cost, some block-level end-to-end distortion estimation schemes [2,6,25,27] have been presented to recursively update a block-level distortion map for each frame.…”
Section: Introductionmentioning
confidence: 99%