| 1. | The mask acts as a low frequency spatial filter whose effect is to enhance rendition of fine detail . 掩模就象一个低频空间滤波器,其效果是增强细节的重现。 |
| 2. | In the facet of pre - transact of ir image , the traditional smooth spatial filter and histogram equalization are analyzed and intruded first 论文在红外图像预处理方面,首先分析了传统的空间滤波技术,并着重介绍了平滑空间滤波器。 |
| 3. | The result indicates that the dimensional structure filter edge method can obtain a more intact and less noise image segmentation 试验结果表明:引入空间滤波器的拉普拉斯算子可在保证高实时性的前提下获取低噪声的且更加完整的边缘检测结果。 |
| 4. | ( 6 ) the spatial filter is introduced to avoid the damage from the hot - image . it is indicated by the numerical results that this work is valuable ( 6 )引入了空间滤波器抑制热像效应对光学元件造成的破坏,从数值模拟来看,这种方法是行之有效的。 |
| 5. | The theories and the methods of vlsi implementation of one - dimension continuous wavelet transform ( cwt ) . which bases on state - space log - domain filter , are developed in the paper 本文研究基于对数域状态空间滤波器的一维连续小波变换vlsi实现理论与方法。 |
| 6. | The synchronization filter filtrates the thin square noise when the color threshold is depressed to obtain a more intact detection 边缘检测时通过降低差分计算的颜色阈值获取更为完整的检测结果,同时利用空间滤波器去除由颜色阈值的降低所引发的大量小面积噪声。 |
| 7. | The introduction of the synchronization dimensional structure filter makes the laplace operator improve the segmentation quality with a high real time capability by the original arithmetic 同步空间滤波器的引入,可使原算法在低颜色阈值条件下获得高质量的图像分割结果,且该滤波器的行扫描数据录入方式可以保证高实时性。 |
| 8. | In order to improve the quality of laplace operator image segmentation at a high real time capability this paper presented a synchronization dimensional structure filter for laplace operator 摘要为了在继承拉普拉斯算子高实时性的前提下提高图像分割质量,设计了一个可与拉普拉斯算子差分计算同步进行滤波工作的空间滤波器。 |
| 9. | Compared with the traditional methods of artifacts elimination , ica , a kind of spatial filter , does not be restricted by the case of spectrum overlapping , and have a good reservation of useful detail signals 此外, ica这种空间滤波器不受信号频谱混迭的限制,消噪的同时能对有用信号的细节成分做到很好的保留,很大程度上弥补了时频域方法的不足。 |
| 10. | An approach for quality assessment of the filtered images was proposed . after qualitative and quantitative assessment , some conclusions have been drawn : ( 1 ) spatial filters are affected greatly by filtering window size , the size of 5 5 presents best result ; ( 2 ) enhanced frost filter , enhanced lee filter and gamma - map filter smooth the speckle noise well with a small sacrifice of losing texture details and narrow edges , which are better than other popular spatial filters ; ( 3 ) the results show that the proposed filter retains texture and edges well , so more researches are expected 通过对jers - 1sar图像的各种滤波图像进行了目视评价和指标比较,得出如下结论: ( 1 )各种空间滤波器受滤波窗口的影响很大, 5 5大小的滤波窗口滤波效果较好; ( 2 )对比各种常用的空间滤波器,增强的frost滤波器、增强的lee滤波器和gamma - map滤波器在去噪和纹理、结构特征保持方面效果最好; ( 3 )小波滤波方法在保持sar图像纹理细节方面表现出了很好的优势,还有待进一步研究。 |