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It solves the problem that the unitary contour presentation can not correctly extract face contour in a face image which suffers from scale, rotation etc. The definition of the internal and external energy function is provided. At the same time, the global matching algorithm and local matching algorithm is given. The experiment shows that this presentation and the accompanying matching algorithm can be used to extract the face contour very well. So the image segmentation can be implemented by using it.②By analyzing the recognition principle of PCA method, we can conclude that the face images coming from different surrounding consist of different face image space. This is the essential reason that makes the generality of PCA method worse. Also, we give a measurement means to measure the distance from different face image space, so we can analyze face image space more conveniently.③We also construct various scale models and rotation pose models to detect the scale and rotating angle of face image to be recognized. The experiment results show that the detecting precision is very high. So it is good for face image feature extraction and face image representation.④Similarly, we construct local feature models of face image and utilize them to detect the local feature of face image. At the same time, we put forward a novel face image local feature detection algorithm, locating step by step. The experiment results show that this method can accurately detect the location of local face feature in a image.⑤A novel face image presentation model, dual attribute graph , is put forward. Firstly, it utilizes attribute graph to present the face image, then exact the local principal component coefficient and Gabor transform coefficient of thc pixels which corresponds to the nodes of the graph as the attribute of the nodes. This representation fully makes use of the statistical characteristic of the local face feature and utilizes Gabor transform to present the topographical structure of face image. So DAG has more general property.⑥Based on the DAG presentation, we give a DAG matching function and matching algorithm. During the design of the function and algorithm, the noise factor, e. g., lighting, scale and rotation pose are considered and tried to be eliminated. So the algorithm can give more general property.⑦A general face image recognition system is implemented. The experiment show the system can get better recognition performance under the noise surrounding of lighting, scale and rotation pose.
本文在上述研究的基础上,取得了如下主要研究成果:①构造了一个通用的人脸轮廓模型表示,解决了由于人脸图象尺度、旋转等因素而使得仅用单一轮廓表示无法正确提取人脸轮廓的问题,并给出了模型内、外能函数的定义,同时给出了模型的全局与局部匹配算法,实验表明,使用这种表示形式以及匹配算法,能够较好地提取人脸图象的轮廓,可实际用于人脸图象的分割;②深入分析了PCA方法的识别机制,得出不同成象条件下的人脸图象构成不同的人脸图象空间的结论,同时指出这也是造成PCA方法通用性较差的本质原因,并给出了不同人脸空间距离的一种度量方法,使用该度量方法能够直观地对人脸图象空间进行分析;③构造了各种尺度模板、旋转姿势模板以用于探测待识人脸图象的尺度、旋转角度,实验结果表明,探测精确度很高,从而有利于人脸图象特征提取,以及图象的有效表示;④构造了人脸图象的各局部特征模板,用于人脸图象局部特征的探测;同时提出了一种新的人脸图象局部特征探测法---逐步求精定位法,实验结果表明,使用这种方法能够精确地得到人脸图象各局部特征的位置;⑤提出了一种新的人脸图象表示法---双属性图表示法;利用属性图来表示人脸图象,并提取图节点对应图象位置的局部主成分特征系数以及Gabor变换系数作为图节点的属性,这种表示方法充分利用了人脸图象的局部特征的统计特性,并且使用Gabor变换来反映人脸图象的拓扑结构,从而使得双属性图表示法具有较强的通用性;⑥在双属性图表示的基础上,给出双属性图匹配函数及匹配算法,在函数及算法设计过程中,考虑并解决了光照、尺度、旋转姿势变化等因素对人脸图象识别的影响,使得匹配算法具有较强的通用性;⑦设计并实现了一个通用的人脸图象识别系统,实验结果表明,该系统在图象光照、尺度、旋转姿势情况下,得到了较好的识别效果。
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I will add that it was he who guided thatchest, provided with everything we wanted, and stranded it on FlotsamPoint; that it was he who lighted that fire on the heights of the island,which permitted you to land; that it was he who fired that bullet found inthe body of the peccary; that it was he who plunged that torpedo into thechannel, which destroyed the brig; in a word, that all those inexplicableevents, for which we could not assign a reason, are due to this mysteriousbeing.
我还要补充一些事实:引着那只箱子,把它放在遗物角,使我们得到一切必需品的是他;在荒岛的高地上燃起篝火,使你们能够找到陆地的也是他,在西瑞身上打了一枪的是他;在海峡里布置水雷,炸毁双桅船的,也是他;一句话,所有那些我们不能解释的怪事,都是这个神秘的人做的。
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About a Year and half after I had entertain'd these Notions, and by long musing, had as it were resolved them all into nothing, for want of an Occasion to put them in Execution, I was surpriz'd one Morning early, with seeing no less than five Canoes all on Shore together on my side the Island; and the People who belong'd to them all landed, and out of my sight: The Number of them broke all my Measures, for seeing so many, and knowing that they always came four or six, or sometimes more in a Boat, I could not tell what to think of it, Or how to take my Measures, to attack Twenty or Thirty Men single handed; so I lay still in my Castle, perplex'd and discomforted: However I put my self into all the same Postures for an Attack that I had formerly provided, and was just ready for Action, if any Thing had presented; having waited a good while, listening to hear if they made any Noise; at length being very impatient, I set my Guns at the Foot of my Ladder, and clamber'd up to the Top of the Hill, by my two Stages as usual; standing so however that my Head did not appear above the Hill, so that they could not perceive me by any Means; here I observ'd by the help of my Perspective Glass, that they were no less than Thirty in Number, that they had a Fire kindled, that they had had Meat dress'd.
我自从有了这些想法之后,平时就经常会想到这件事,可是因为没有机会付诸实施,因此一直都毫无结果。这样大约又过了一年半光景。一天清晨,我忽然发现有五只独木舟在岛这头靠了岸,船上的人都已上了岛,但却不知道他们去哪儿了。他们来的人这么多,把我的计划彻底打破了。因为我知道,一只独木舟一般载五、六个人,有时甚至更多。现在一下子来了这么多船,少说他有二三十人,我一个人单枪匹马,如何能对付他们呢!因此,我只好悄悄躲到城堡里去,坐立不安,一筹莫展。可是,我还是根据过去的计划,进行作战准备,以便一有机会,立即行动。我等了好久,留神听他们的动静,最后,实在耐不住了,就把枪放在梯子脚下,像平时那样,分作两步爬上小山顶。我站在那里,尽量不把头露出来,唯恐被他们看见。我拿起望远镜进行观察,发现他们不下三十人,并且已经生起了火,正在煮肉。至于他们怎样煮的,煮的又究竟是什么肉,我就不得而知了。
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About a Year and half after I had entertain'd these Notions, and by long musing, had as it were resolved them all into nothing, for want of an Occasion to put them in Execution, I was surpriz'd one Morning early, with seeing no less than five Canoes all on Shore together on my side the Island; and the People who belong'd to them all landed, and out of my sight: The Number of them broke all my Measures, for seeing so many, and knowing that they always came four or six, or sometimes more in a Boat, I could not tell what to think of it, Or how to take my Measures, to attack Twenty or Thirty Men single handed; so I lay still in my Castle, perplex'd and discomforted: However I put my self into all the same Postures for an Attack that I had formerly provided, and was just ready for Action, if any Thing had presented; having waited a good while, listening to hear if they made any Noise; at length being very impatient, I set my Guns at the Foot of my Ladder, and clamber'd up to the Top of the Hill, by my two Stages as usual; standing so however that my Head did not appear above the Hill, so that they could not perceive me by any Means; here I observ'd by the help of my Perspective Glass, that they were no less than Thirty in Number, that they had a Fire kindled, that they had had Meat dress'd.
我自从有了这些想法之后,平时就经常会想到这件事,可是因为没有机会付诸实施,因此一直都毫无结果。这样大约又过了一年半光景。一天清晨,我忽然发现有五只独木舟在岛这头靠了岸,船上的人都已上了岛,但却不知道他们去哪儿了。他们来的人这么多,把我的计划彻底打破了。因为我知道,一只独木舟一般载五、六个人,有时甚至更多。现在一下子来了这么多船,少说他有二三十人,我一个人单枪匹马,如何能对付他们呢!因此,我只好悄悄躲到城堡里去,坐立不安,一筹莫展。
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Other tones such as green, blue, lavender and pink are not provided by the sun to such a great degree; although when you refract the yellow ray that is provided, you will find all tones of the rainbow held therein.
其它音调例如绿、蓝、薰衣草紫和粉色没有被太阳这么大程度地提供;尽管你如果对看见的太阳黄色光线进行折射的话,会发现里面持有彩虹的所有音调。
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The term is often used to refer to the support available outside the family to help parents to care for dependent children. It includes day nurseries and playgroups, as well as care by childminders and nannies. However, as much care is provided by grandmothers as is provided by all other sources of childcare put together (Pahl 1999:181). Therefore, childcare may refer to services that provide daytime care of pre-school children, often while their parents are working. In this sense, childcare covers day nurseries, nursery schools and classes, childminders and playgroups. Providers include local government, voluntary agencies and private individuals or organizations.
这辞通常用来指家庭外的支持以协助父母来照顾他们依赖的儿童,儿童照顾可能包含日间托儿,幼儿游戏团体及保姆和奶妈,同时也包括由祖母所提供的儿童照顾及其他的儿童照顾资源,因此,正当双亲工作时,儿童照顾可指所有提供日间学龄前儿童照顾之服务,依此,儿童照顾可含盖日间托儿所,幼稚园教育,保姆及幼儿游戏团体等,提供此服务可包含地方政府,自愿团体及私部门的个人或团体。
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The tightening torques stated on table 1 are calculated for a tie rod stress equal to that allowable provided for such materials in ASME B31.3 and considers the leads provided on the flanges .
表1中所列的拧紧扭矩是按拉杆计算,且其应力取 ASME B31.3中该材料上的容许施加的应力,同时还考虑了法兰上的负荷。
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The invention is characterized in that the mouth of a sample tube is provided with a four-way valve and a buffer tank provided with a jacket, the sample in the buffer tank is blown by nitrogen gas to be completely fed into a sample bottle to realize accurate sampling.
一种用于高温高压下液固体系的密闭取样装置及取样方法,其特征在于,在取样管口设置四通阀和缓冲罐,缓冲罐带夹套,缓冲罐中的样品通过氮气的吹扫完全进入取样瓶中,可保证取样的准确性。
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One side of a reducer that is arranged on the platform is provided with a roller which can hoist the platform and which is provided with a rolling rope.
建筑施工升降机属于建筑机械领域,特别涉及一种施工升降机。
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The cabin provided a nicely tuned chamber that only provided a hint of the power available under the hood when the loud pedal was pressed.
客舱提供了一个很好调谐商会,只有提供了一个暗示的力量引擎盖下踏板时,大声被压。
- 推荐网络例句
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Plunder melds and run with this jewel!
掠夺melds和运行与此宝石!
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My dream is to be a crazy growing tree and extend at the edge between the city and the forest.
此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。
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When you click Save, you save the file to the host′s hard disk or server, not to your own machine.
单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。