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H.264MPEG-4AVCRealTimeImplementationonDSP
- H.264/MPEG-4 AVC is the latest generation standard from the ITU-T and ISO/IEC MPEG standardization bodies and it builds on the success of the previous ITU-T and MPEG standards. H.264/MPEG-4 AVC offers major advantages compared with previous
waveprogramming
- wave文件的读取，短时能量及过零率的计算，并将计算结果保存为文件，显示波形．-wave document read, short-term energy and the rate of zero, and the computational results for the preservation of documents, show waveform.
20050328193472830322
- 大数计算源代码，从事计算数学、计算机软件开发人员-majority calculation source code, engaged in computational mathematics, computer software developers
VIDEOPROCESSING
- In this paper we present a scheme for integrating a digital stabilizer with video codec of a digital video camera. This integration achieves computational efficiency without affecting the performance of video coding and digital stabilization. The pr
New
- 本文讲述多媒体转码从H.263到新一代视频编码标准H.264的异构网络转码的新算法研究-In this paper, we investigate and propose efficient methods for transcoding H.263 video to H.264/AVC standard by exploiting the new coding features. Specifically, the proposed methods aim to reduce th
MP3mdct
- 在MP3 编解码器的设计中,前向MDCT 与反向IMDCT 是两个计算最为复杂的部分。 提出了一种新的算法,对MDCT 与IMDCT 的实现进行优化,极大地降低了运算量。该算法将 MDCT 与IMDCT 的计算分成三步实现: 前处理, 核心处理, 后处理。其中,核心处理部分由 MDCT 与IMDCT 共用,大大减少了对硬件电路的需求,降低了芯片成本。-In the MP3 codec designs, prior to the MDCT and IMDCT are two reve
1
- 本文提出一种基于H．264低比特率视频流的半脆弱盲水印方法，通过在H．264特有的的帧内预 测和运动向量预测中分别嵌入鲁棒水印和脆弱水印，达到版权保护和内容完整性认证的双重目的．通过在嵌入强 度和预测模式选择的拉格朗日乘子中引入H．264量化因子，增强了水印对重量化编码的抵抗力，取得更好的率 失真平衡，减小水印嵌入对视频流比特率的影响．该算法可以实现水印的快速嵌入提取，满足视频实时处理的要 求，实验结果证明了该算法的有效性．-A novel semi—fragile blind
wave
- 绘画哨声波图，采用idl读取数据，按计算流体方法绘制而成-Figure painting whistler waves, using idl read the data, by methods of computational fluid drawn by
blocklms
- 块LMS算法 相对于逐点计算的LMS算法，块LMS算法具有相对较高的计算效率，同时在一定程度上提高了算法的收敛稳定性-LMS algorithm block-by-point LMS algorithm for computing the block LMS algorithm has a relatively high computational efficiency, while a certain extent, to improve the stability of the algori
Chasing-method-solve-heat-transfer
- 追赶法求解简单一维数值传热程序，该方法在计算流体力学中有很广泛的应用。-using chasing method to solve one dimensional numerical heat transfer process which is widely used in computational fluid dynamic。