该算法分三个阶段:粗搜索阶段、下降搜索阶段和细搜索阶段。
The proposed algorithm consists of three processes, approximate search, descent search and subtle search.
首先改进传统的一维梯度下降搜索算法,并提出由梯度下降方向自适应选择不同的抽取模式去除计算运动估计准则时的冗余。
This method proposes five decimation patterns based on the gradient descent direction, and it can select the decimation pattern adaptively during the motion estimation.
同时,虽然雅虎公布广告利润增长,但出现在搜索结果旁边的广告销量下降。
While Yahoo posted gains in display advertising, its sales from ads that appear next to search results dropped in the quarter.
雅虎第三季度搜索收入下滑19%,展示广告收入下降8%,较第二季度14%的降幅有所好转。
For the quarter, Yahoo's search revenue declined 19% while its display advertising revenue fell 8%, an improvement from a 14% drop in the second quarter.
所以,那些看到自己排名下降的商家就要赶紧改变搜索战略了,才能重新与竞争对手对抗。
With that said, those that see a decrease in their rankings will need to move quickly in updating their search strategies in order to regain ground and get back in the game.
自从6月份推出以来,必应的市场份额以两位数的速度增长并占领了美国10%的搜索业务,但雅虎的市场份额却下降到18%,损失掉了和微软增加部分相当的市场份额。
Since its launch in June, Bing's market share has grown by two percentage points to nearly 10% of all searches in America, but Yahoo! 's has dropped by the same amount to 18%.
据互动广告局(Interactive Advertising Bureau)称,事实上2010年展示型的广告在美国的市场份额有所上升,而搜索类广告有所下降。
In 2010 display advertising actually gained market share in America, according to the Interactive advertising Bureau. Search fell slightly.
而搜索类广告轻微有所下降。
他完全掌控着这个行业,以至于只要他在搜索引擎的结果上让某些公司排名下降就会让这些公司陷入困境。
It dominates its industry so completely that a few slight tweaks to its search engine can throw other companies into turmoil by burying them in search results.
北京的易观国际调查公司发布数据称,谷歌搜索部分的股票收益从今年头三个月的31%,第二季度下降到24%。
Google's share of search revenues fell from 31 percent in the first three months of the year to 24 percent in the second quarter, according to Analysys International, a research firm in Beijing.
搜索引擎所占的广告份额将会暂时变大。2006年搜索引擎的网络广告收入占到了整个网络广告收入的40%,预计其峰值将达到50%,随后下降。
Search will get bigger before it gets smaller; it accounted for 40% of 2006 online advertising and is forecast to grow to nearly 50% before its share shrinks.
而且,垃圾信息制造者们已经学会如何利用简单的关键词匹配原理,这样一来,用户通过关键词搜索所能找到的资讯质量就会进一步下降。
Also spammers have learned to capitalize on simple keyword matching so this further dilutes the quality of content you can find via keywords.
随着微软Live搜索地位的不断巩固,Google的搜索引擎市场份额将明显下降。
Google's search engine will lose a significant amount of market share as Live search's position will consolidate.
它也记录了一段时间内网站立场你,让你提防任何下降趋势您在搜索引擎网站立场。
It also records the position of your website over time so that you can watch out for any downward trend in the search engine position of your site.
实验结果表明,相对于全局搜索,所提方法大幅地提高了编码速度和压缩比,而解码质量只略有下降。
Experimental results indicate that comparing to exhaustive search, the proposed method improves the coding speed and compression ratio greatly with slight quality degradation of decoded image.
信息技术的不断利用,使得消费者的搜索成本不断下降。
The search cost increasing declined with the using of information technology.
阿下降也对美国在线,提供谷歌搜索结果。
公司在搜索市场的份额不断下降。
最后用最速下降法进行路径搜索,实现了自主车在模糊环境下的越野路径规划。
The path search using Steepest Descent Approach, the cross country path planning about fuzzy environment for an autonomous land vehicle is implemented.
分析了BP神经网络和混沌优化的特点,并将混沌优化方法和梯度下降法结合起来构成一种新的组合搜索优化方法。
The characteristics of BP neural network and chaos optimal method are analyzed. By integrating chaos optimal method with gradient-decline method, an optimal method of combination search is created.
谷歌搜索份额将显着下降有史以来第一次。
Google will see search share decline significantly for the first time ever.
从极点出发的搜索方向是该点处所有下降棱方向的一种凸组合。
The direction of search starting from an extreme point is a convex combination of all descent directions along the edges at the point.
公司的首次环比销售额下降表明即使是搜索巨头也会受到经济衰退和支出的影响。
The company's first quarter-on-quarter sales decline shows even the mighty search giant isn't immune to the pullback in and spending.
随着中介搜索的下降,图书管理员的角色将不断增加,包括终端用户训练。
As mediated searching declines, the librarian's role will increasingly include end-user training.
无论使用何种线性搜索此方法产生的方向总是下降的。
The method has descent directions whatever line search is used.
梁希望从中国旅客流量继续下降的谷歌和广告客户转向诸如中国搜索巨头百度,以国内其他选择。
Leung expects traffic from Chinese visitors to continue to drop for Google and for advertisers to turn to other domestic choices such as China search leader Baidu.
梁希望从中国旅客流量继续下降的谷歌和广告客户转向诸如中国搜索巨头百度,以国内其他选择。
Leung expects traffic from Chinese visitors to continue to drop for Google and for advertisers to turn to other domestic choices such as China search leader Baidu.
应用推荐