| 1. | Experimental results indicate that the expanded model has better retrieval performance than the basic belief network model ' s 实验证明,扩展模型的检索性能优于基本模型。 |
| 2. | Experiments show that the learned metrics can be used to significantly improve image retrieval performance 试验结果表明,该方法能在学习样本极少的情况下提高检索的性能。 |
| 3. | The fast wavelet entropy technique for image indexing to reduce the complexity of the wavelet histogram method is suggested which can improve the retrieval performance 提出了快速小波熵的图像检索技术以减少小波直方图技术的计算复杂性并提高了检索速度。 |
| 4. | Salton , g . & buckley , c . " improving retrieval performance by relevance feedback , " journal of the american society for information science , 41 ( 4 ) , 1990 , pp . 288 - 297 李宜容, "人文及社会学科读者使用线上公用目录检索词汇之研究" ,淡江大学教育资料科学研究所硕士论文,民85年。 |
| 5. | Machine learning and statistical modeling approach is a simple yet effective technique for image retrieval , but the retrieval performance is often dependent on a large number of training data 机器学习和统计方法是一种有效的提高检索性能的方法,但通常需要大量的训练样本才能达到满意的检索精度。 |
| 6. | Compared with traditional text - based or content - based image retrieval system , this system not only improves the retrieval performance , but also makes the interaction between the human and computer more convenient 与基于文本或基于内容的图像检索系统相比,该系统既提高了检索性能,又使得人机交互更加便利。 |
| 7. | Asian language information processing , 2002 , 1 : 225 - 268 . 44 peng f , huang x , schuurmans d et al . investigating the relationship between word segmentation performance and retrieval performance in chinese ir 中文动词次范畴化的研究主要研究了汉语动词次范畴化现象的语言学理论和汉语动词scf信息的自动获取技术,并获得了目前国内外同类研究的最优性能。 |
| 8. | Exclusion standard , search strategy and design of the search algorithm are given in detail . a latest update strategy , which is able to examine , download and renew the information in the shortest time , is proposed . the invalid hyperlinks are decreased sharply and the retrieval performance of search engines is improved Robot程序是信息搜集与信息更新的基础,本文详细地叙述了其搜集信息的排除标准、搜索策略及搜索算法设计,并给出了一个最近更新策略,保证能在数据信息变更的最短时间内进行检测、下载、更新,大大地避免死链接、无效链接,提高了搜索引擎的查询性能。 |
| 9. | Fast and high - quality document clustering algorithms play an important role towards this goal as they have been shown to provide both an navigation / browsing mechanism by organizing large amounts of information into a small number of meaningful clusters as well as to greatly improve the retrieval performance either via cluster - driven dimensionality reduction or term - weighting 快速和高质量的文本聚类技术在实现这个目标过程中扮演了重要的角色。通过将大量信息组织成少数有意义的簇,这种技术能够提供导航浏览机制,或者,通过聚类驱动的降维或权值调整来极大地改善检索性能。 |
| 10. | Content - based image retrieval ( cbir ) systems attempt to solve this problem by retrieval system based on text mode , become one of most active researches in computer vision , image and video processing , data mining and so on . currently the researchers have already designed many content based image retrieval systems . while these researches establish the basis of cbir , the retrieval performance is still far from users ’ expectations 本文详细介绍了图像检索中常用的特征,包括颜色、形状、纹理等及相应的提取方法,对现有的图像分割算法进行了研究分析,使用了一种基于图像颜色和空间信息的彩色图像分割算法作为图像的自动分割算法,算法的分割结果与人的主观视觉感知具有良好的一致性。 |