| 1. | A scalable image compression scheme based on integer - to - integer wavelet transform and subband bit - plane coding 可逆线性变换的整型化及其应用 |
| 2. | In construct to current schemes proposed so far which either operate on a subband or a block base , the scheme in this thesis is based on pixel 不同于现有dwt算法基于一个子带或者基于块来操作,本文的算法是基于象素的。 |
| 3. | Abstract : this paper introduces a new compression technique : subband coding and wavelet transforms , and discusses the fast algorithm of wavelet transforms 文摘:介绍了新的压缩技术子带编码和小波变换,并讨论了计算小波变换的快速算法。 |
| 4. | Comparative experiments also show that the choice of bit allocation strategies has serious influence on the performance of the 3d subband video compression 对比实验还表明,比特分配策略的选择将严重地影响子带分级编码系统的压缩性能。 |
| 5. | The original image is transformed by wavelet transforming , and the watermark is embedded in the selected detail subband according to neighboring symbols average value 原始载体图像经小波变换后,根据邻近特徵平均值将水印嵌入到小波域中所选择的细节子带上。 |
| 6. | Predictive coding based on the grads of neighbor coefficient is proposed to encode ll subband because ll subband occupied a majority of energy of transform coefficient 由于ll子带占据变换系数的大部分能量,提出一种基于邻域系数的梯度的预测编码单独编码ll子带。 |
| 7. | The experimental results show that , compared with the method of subband finite state scalar quantization , both of the two wavelet coding methods can achieve better coding performance 实验结果表明,与有限状态标量量化方法相比,这两种小波编码方法均能获得较好的编码性能。 |
| 8. | In the end , based on the analysis of the noise robustness of each subband , a robust recognition algorithm was presented and it could increase the accuracy of recognition in 最后,本文在分析各个mel子带抗噪性能的基础上,提出了鲁棒性的说话人识别算法,提高了说话人识别系统在噪声环境下的识别率。 |
| 9. | Improving traditional cross - subband method of morphology compression algorithm . implement an embedded image coder which is mcgsd having the functions of progressive transmission , arbitrary truncation etc 其psnr值与流行的小波编码器相比,性能相当,某些比特率时甚至超过许多流行的小波编码器。 |
| 10. | 6 . the broadband coherent high resolution processing method based on constant beamwidth beamformers and the incoherent high resolution processing method based on subband beamformers are studied 研究了基于恒定束宽波束输出的宽带相干高分辨处理方法和基于子带波束输出的宽带非相干高分辨处理方法。 |