对帧内编码原理做了介绍。
对帧内编码原理做了介绍。
另外一种是基于帧内统计。
提出了一种复杂度可分级的帧内预测方法。
In this paper, a complexity-scalable intra-frame prediction method is proposed.
这个图像在23帧内完成，所以马上开始移动。
This image was taken 23 frames in, so it's just beginning its movement.
图像帧内并行的负载最为平衡，但通信开销较大。
In-Frame level parallelism has the greatest load balance, but more communication overhead.
视频序列帧内与帧间的冗余使得视频压缩成为可能。
Intra-and inter-frame redundancy of video sequence makes video compression possible.
所述优先参考块可从有嵌入帧内编码块的帧开始被重建。
The preferential reference block can be reconstructed from the coding block frame inside the embedded frame.
帧内预测是用来猜测块的内容，不使用任何其它帧的信息。
Intra prediction is used to guess the content of a block without referring to other frames.
帧内预测模式编码使用基于临近块模式的算术编码上下文。
Intra prediction mode coding is done using arithmetic coding contexts based on the modes of the neighboring blocks.
不采用端点检测，在语音帧内及噪声帧内都进行噪声更新。
The noise estimation is updated in both speech frame and noise frame without the voice activity detection.
为了降低帧内预测的复杂度，提出了一种快速帧内预测算法。
To reduce its complexity, a fast intra-prediction algorithm was proposed.
更具体地，按照输入帧频率的函数来修改视频帧内的维持脉冲数。
More particularly, the number of sustain pulses within the video frame and selected by the power level mode is modified as a function of the input frame frequency.
然后提出了一种新的速率失真率(R D)框架内的帧内刷新策略。
Then we propose a novel intra refresh scheme in rate-distortion (R-D) framework.
264标准的帧内预测和DCT整数变换技术进行了较深入地探讨。
Then we made some more deep research on the intra-prediction and integer DCT transform technologies of the H. 264 standard.
针对空间可扩展视频编码，提出了一种新的增强层上的帧内预测算法。
In this paper, a new intra prediction algorithm for enhancement layer in spatially scalable video coding is proposed.
在视频降噪方面，从帧内与帧间两个角度对视频降噪方法进行了研究。
Some research is processed as follow:In the area of video de-noising, we did our research on various intra-frame de-noising methods on spatial domain, frequency domain and wavelet domain.
该编码算法采用帧内编码和帧间编码相结合的方法对序列图像进行压缩编码。
This coding algorithm can compress video by the method of combining inter-frame compression and intra-frame compression.
263量化技术也进行了优化，构造出一个可以避免除法运算的帧内量化查找表。
Carries on the optimization to the H. 263 quantification technology, a intra-frame quantification search table that can avoid the division operation is constructed.
首先本文对预测模块的帧内预测和运动估计算法进行研究分析，并提出改进算法。
Firstly, we research and analyze arithmetic of intra prediction and movement estimation of prediction module, then put forward improved arithmetic.
提高编码效率的技术有改进的PB帧、先进的帧内预测编码和先进的预测模式等；
Some refined coding methods, including Improved PB frames, Advanced Intra Coding and Advanced Prediction Mode, are used to improve the coding efficiency.
在这种模式中，上方像素块中的四个底部像素被垂直拷贝至经过帧内编码的宏块中。
In this mode, four bottom pixels from the block above are copied vertically into part of an intra-coded macroblock.
因此为了降低帧内预测模式选择的计算复杂度，本文改进了帧内预测模式选择算法。
In order to reduce the complexity, this paper proposes a fast arithmetic for intra-prediction mode selection.
对于帧内预测模式，也以块为单位，采用一种“放大的帧内预测模式”进行放大处理。
And to the intra prediction model, we also take block as the unit and enlarge the prediction-frame by using an "enlarged intra prediction model".
在这种模式中，左边像素块中的最右侧四个像素被水平拷贝至经过帧内编码的宏块中。
In this mode, four right-most pixels from the block to the left are copied horizontally into part of an intra-coded macroblock.
实验结果表明，该算法可以在大幅降低帧内预测计算复杂度的情况下保持较好的编码效果。
Experimental results show that this algorithm can significantly reduce the complexity of intra prediction with only negligible coding efficiency loss.
同时，根据率失真定理，在保证失真最小的情况下，为帧内不同的宏块选用最佳的量化系数。
Using this method, we minimize distortion subject to the target rate constraint, and ohtain formulas that indicate how to choose the quantization parameters.
在这种模式中，上方像素块中的八个底部像素被沿对角线方向拷贝至经过帧内编码的宏块中。
In this mode, eight bottom pixels from the blocks above are copied diagonally into part of an intra-coded macroblock.
LASIS图像不仅具有普通静止图像的帧内相关性，同时存在较强的帧间相关性及谱间相关性。
LASIS images not only have the spatial correlation, which is the same as general 2d still images, but also have the inter-frame correlation and inter-band correlation.
针对帧内预测宏块，提出了“参考块缩放法”，在不明显增加解码复杂度的情况下，有效减少误差漂移。
And the method of reference block scaling was proposed for inter coded macroblocks, which can reduce error drift effectively without increasing decoding complexity.
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