帧间预测

该算法融合了Direct模式提前终止算法、可变尺寸块帧间预测算法和视差估计提前跳过算法。

This algorithm combines the Direct mode early termination , variable size inter prediction and early disparity estimation skipping .

AVS帧间预测亮度插值模块的VLSI实现

VLSI Implementation of Inter Prediction Luminance Interpolation Circuit for AVS

面向AVS-M的快速帧间预测模式选择算法

A Fast Inter Mode Decision Algorithm Oriented to AVS-M

而快速算法的优化分为以下三步：SKIP模式的快速确定、帧间预测模式的选择、帧内预测模式的选择。

The optimization of fast algorithm can be divided into the following three steps : determine a SKIP mode rapidly ; chose a inter-frame prediction model ; chose a intra-frame prediction model .

实验表明本文算法与传统BMA算法相比较，较好地提高了帧间预测增益。

Results show the annealing algorithm can estimate motion parameters successfully , and the interframe prediction performance is improved greatly .

运动补偿单元完成的功能是在帧间预测模式下，进行运动矢量预测，根据得到的运动矢量和参考图像索引从片外SDRAM中获取相应参考样本进行插值运算。

This unit predicts the Motion Vector under the inter prediction mode , and fetches the reference images from the off-chip SDRAM for interpolation according to the motion vector and reference image index .

运动补偿帧间预测＋变换域编码（DCT）的混和编码方案是目前运动图像有损压缩的通用方法，运动矢量的估计是运动补偿帧间预测的一项关键技术。

The hybrid encoding method , which consists of motion compensated interframe prediction and DCT , has been widely used in the damaged compression of moving pictures . A crucial technique in motion compensated interframe prediction is the motion vector estimation .

本文研究了一种全数字化HDTV传输系统图像信源编码方案。将运动补偿帧间预测，离散余弦变换编码和二维熵编码技术结合起来，通过对码率的自适应调节，实现HDTV图像信号的压缩编玛。

A video source coding scheme for all-digital HDTV transmission system is described in this paper , which is based on motion-compensated interframe prediction , DCT and two-dimensional entropy coding , applying adaptive rate control , implementing bit-rate reduction of HDTV video signals .

它在信源编码上采用了与H.261标准相类似的混合编码技术：在空域上采用DCT变换编码方式消除空间冗余，在时域上采用帧间预测编码消除时间冗余；

It has used the mix code technology which is similar with the H.261 standard in the source code : Using the transformation coding method to remove the spatial redundancy in the air domain and using the frame predictive coding to remove the time redundancy in the time domain .

低码率活动图像帧间预测编码的研究

Study on interframe prediction encoding of low bit rate moving image

没有使用帧间预测和补偿。

Without making use of interframe prediction and compensation .

设计并实现帧间预测。

Designed and implemented hardware inter prediction .

通过减少运动估计范围和帧间预测模式来提高编码效率。

According to reduce the motion estimation and the inter predication mode to improve encoding time .

现有的帧间预测一般采用基于平移运动模型的块匹配技术。

The block matching techniques based on a translational motion model are widely employed in inter-frame prediction .

在此基础上针对耗时模块帧间预测的快速算法进行了研究，提出了一种基于宏块间相关性的模式预测算法。

An improved algorithm of mode decision in motion estimation is proposed with the correlation of macroblocks .

例如，可伸缩视频编码通过下采样和上采样帧间预测来保持空间分辨率。

For example , scalable video coding maintains the spatial capability through down-sampling and inter-layer prediction with up-sampling .

主要研究适于窄带低码率活动图像的帧间预测编码算法。

Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper .

首先进行帧间预测编码，并解决了可能出现的误差累积问题。

Firstly , the algorithm compresses them with inter-frame predictive coding , and resolves the possible problem of error accumulation .

参考图象包含了后续图象进行帧间预测解码时所需要用到的样本值。

A reference picture contains samples that may be used for inter prediction in the decoding process of subsequent pictures in decoding order .

它所采用的准则不仅考虑了预测误差能量的大小，还考虑了运动矢量信息以及帧间预测误差的编码比特数目的多少。

The good criteria must consider not only the error energy , but also the bit number for encoding motion vectors as well as the interframe prediction error .

在帧间预测的基础上，对序列图像中的运动目标或感兴趣区域（视频会议中为人脸区域）进行检测和跟踪，从而实现前后景的分割。

Based on inter frame prediction , the foreground can be segmented from the original image by detecting and tracking moving target or interesting area in image sequence .

作为视频编码系统的一个重要组成部分，帧间预测通过去除视频序列在时间上的巨大冗余性使得高质量视频压缩成为可能。

Inter prediction is a very important part of video coding system . It removes huge temporal redundancy between video sequences which makes high quality video compressing possible .

实验证明，在保持图像压缩质量和压缩效率的前提下，这些快速算法有效地降低了帧间预测和帧内预测复杂度。和原来相比，通过算法改进后的视频编码速度提高了1倍。

With these optimum algorithms , experimental results show that the complexity of inter-frame and intra-frame prediction is reduced notably with negligible degradation in image quality and compression rate .

利用图像子区域的灰度均值进行帧间预测，用来判断图像序列中被遮挡图像帧和可能的遮挡阴影区域；

Secondly , the algorithm judges if this image frame is obscured and detects the possible shadowed area with the inter-frame predictor based on the gray mean of the image block .

在此基础上，调整用于帧间预测的模式数量以匹配移动终端不同的处理能力水平，同时又可以最大可能的保证最优模式处在所计算的模式中。

Hence the number of modes used in inter prediction can be adjusted under different complexity constraints while the optimal mode is guaranteed to lie in the chosen modes with great possibility .

该文报道了一种新的医学图像编码方法，称为具有运动补偿的小波变换帧间预测医学图像编码。

In this paper , a new medical image coding algorithm is reported . This type of algorithm is called interframe predictive coding of medical image using a wavelet transform for motion compensated estimation .

帧间预测是视频编码中的关键技术，对编码效率和复杂度起着决定性的作用，将帧间预测作为切入点是解决上述问题的良好途径。

As the key technology in video coding , inter prediction acts a decisive role for coding efficiency and complexity . Inter prediction is deduced to be an ideal cut-in point to this solution .

运动估算是视频信号的帧间预测编码中的一个重要环节，其效率和精度直接影响到编码器的性能。

Motion estimation is a very important part in the inter prediction technical of video coding , and the performance of a video coder largely depends on the efficiency and precision of motion estimation .

编码效率的提高主要归根于精确的帧间预测编码，其中包括多种块模式，多参考帧运动估计和分数像素精度3种新技术的采用。

The improvement in the rate-distortion performance in H.264 is mainly due to accurate inter prediction coding with different mode decisions including multiple block size , multiple reference frame motion estimation and fine sub-pixel motion vectors .

本文提出了基于运动估值的帧间预测错误隐藏算法，能对运动矢量和编码模式的进行有效重建，适应各种情况的帧间错误隐藏。

A inter-frame error concealment algorithm based on motion estimation is proposed in this dissertation , the motion vectors and coding mode can be rebuilt , it can be applied in any frame modes and macroblock modes .