查询词典 tracking ball

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In this paper, the theory, algorithm, and experiment of automatic object detection and tracking are studied in depth. It is firstly pointed out that the essential of Mean Shift method is a special Newton-Gaussian method. A new method named Fast Mean Shift is established to stretch the conservative step of Mean Shift method. The convergence and validity of this new method are proved in theory. And it is also proved that the convergence speed of Fast Mean Shift is faster than that of Mean Shift. The contrast experiments of searching the maximum possibility density of random of data sets in plane and 3D space are done. The results show that this new method can reduce the iterations greatly. A new object tracking method based on Fast Mean Shift is built to improve the object tracking performance, which is shown in the face tracking experiment with the tennis sequence provided by the Ohio State University, and the car tracking experiment with the car sequence provided by Kalsruhe University. The face trcking experiment with highly noised images show that the object tracking method based on Fast Mean Shift has strong anti-jamming ability. A new fast color object detection technology based on characteristic color is established, which use characteristic color distribution to compute the characteristic color vector of any area in an image quickly. With the high performance search method, the fast object detection is achieved. At last, using object tracker based on Fast Mean Shift and color object detector based on characteristic color with the Kalman filter, PID controller, searial communication and other technologies, automatic object detection and tracking system with control system is built. The availability and anti-jamming ability of this system are verified by some object detection and tracking tests in different scenes.

本文对目标自动识别与跟踪进行了理论、计算、试验三方面的深入研究，主要包括：首次指出了目标跟踪技术中常用的均值迁移方法的本质为一种特殊的高斯-牛顿方法，改进了均值迁移方法步长取值保守的弱点，建立了快速均值迁移方法，证明了该方法的收敛性、有效性以及收敛速度优于均值迁移方法；进行了平面和3维随机分布数据集的最大概率密度搜索对比试验，试验结果表明，快速均值迁移方法大大减少了迭代次数；建立了基于快速均值迁移的目标跟踪方法，利用俄亥俄州立大学提供的乒乓球序列图像和卡斯鲁厄大学的汽车序列图像，对人脸和汽车目标跟踪性能分别进行了对比试验，并进行了高噪声人脸图像目标跟踪试验，结果表明，基于快速均值迁移的目标跟踪方法有效提高了目标跟踪性能，具有很强的抗干扰能力；建立了一种新型彩色目标自动识别方法，采用特征色彩分布函数实现了对任意图像区域特征色彩矢量的快速计算，建立了高效的搜索方法，实现了彩色目标的快速识别；将基于快速均值迁移方法的目标跟踪方法、基于特征色彩的目标识别方法与卡尔曼滤波、PID控制、串行通讯等技术结合，建立了带有控制系统的快速目标自动识别与跟踪系统，并在不同场景下进行了目标自动识别与跟踪试验，验证了快速目标自动识别与跟踪系统的有效性和抗干扰能力。

We produced by the elastic rubber ball is high-quality synthetic rubber made include: three-dimensional of the ball, the ball picture, the electronic ball, the ball modeling, three-dimensional King of the ball deep, luminous ball, the ball monochrome, multicolor Ball, the ball printed in Pictures, a key hammer, magnet ball, water polo, with a large bounce of.

我们所生产的橡胶弹力球是由高品质的合成橡胶制成，种类包括：立体物球，图片球，电子球，造型球，深景立体物球，夜光球，单色球，多色球，剪影印刷球，钥匙链球，磁铁球，水球等，具有相当大的弹跳性。

Advise clients to use the following keyword search you want all kinds of pen products: high-end advertising pen, advertising pen good quality, high-quality advertising pen, high-level ball-point pen, high-end gift pen, high-grade metal pen, brand-name gift pen, advertising gift pen, advertising Shenzhen pen, drawing painting advertising pens, advertising pens buy, Xi'an advertising pens, advertising pens, advertising pens Shanghai, Yiwu advertising pen, Tonglu pen factory, sub-Kandelia factory, ball-point pen factory, pen manufacturer, advertising pen manufacturers, wholesale advertising pen advertising pen customized, advertising pens wholesale, advertising pens custom price, Shanghai advertising pens, advertising pens production Hangzhou, Nanjing, advertising pens, advertising pens, Xi'an bar, gift promotional gifts, advertising pen factory, Shanghai, advertising pens, advertising pens, Guangzhou, Zhongshan advertising pen , advertising pen production, Shenzhen, advertising pens, advertising pens, Shenyang, Shanghai, advertising pen production, advertising pens, Wuhan, Chongqing, advertising pens, green ball-point pen, ball-point pen oil, 100 can be ball-point pen, ball pen paintings, pen manufacturer, pen factory, pen portraits, ball-point pen Road cleaning, cartoon pen, ball-point pen invention, erasable ball-point pen, Montblanc pen, ball-point pen in English, I would like to pen the above key words will certainly be satisfied with the various types of procurement to pen.

建议客户采用以下关键词搜索你想要的各类笔产品：高档广告笔、好质量广告笔、优质广告笔、高级圆珠笔、高档礼品笔、高档金属笔、名牌礼品笔、礼品广告笔、深圳广告笔、拉画广告笔、广告笔求购、西安广告笔、笔广告、上海广告笔、义乌广告笔、桐庐笔厂、分水笔厂、圆珠笔厂、制笔厂、广告笔厂家、广告笔批发广告笔订做、广告笔批发、广告笔定做价格、上海广告笔、杭州广告笔生产、南京广告笔、西安拉杆广告笔、礼品促销礼品、广告笔厂、上海广告笔、广州广告笔、中山广告笔、广告笔制作、深圳广告笔、沈阳广告笔、上海广告笔制作、武汉广告笔、重庆广告笔、环保圆珠笔、圆珠笔油、百能圆珠笔、圆珠笔画、圆珠笔生产厂家、圆珠笔厂、圆珠笔肖像画、圆珠笔道清洁方法、卡通圆珠笔、圆珠笔的发明、可擦圆珠笔、万宝龙圆珠笔、圆珠笔英文，我想通过以上笔的关键词肯定会采购到满意的各类笔。

Analyse the technology principle of program tracking, step-in tracking, conical scan tracking and singleshot tracking, and contrast the advantage and disadvantage of them. Select program tracking and conical scan tracking considering performance and cost.

二、对程序跟踪、步进跟踪、圆锥扫描跟踪和单脉冲跟踪这四种自动跟踪技术的原理进行了具体的分析，并比较了它们各自的优缺点，从性价比的角度，选择了程序跟踪与圆锥扫描跟踪相结合的方式。

Hit double lever ball to need to have two him ball or one ball (2, 3) close suitably, build ace ball to need one party ball to be short of date and the around that lack number group of cement of safety of ball of two adjacent date, and hit edge ball to need his ball supply only however.

打双杆球需有两个他球或一球一门相配合，造王牌球需一方球缺号和缺号前后两个邻号球平安结组，而打擦边球却只需要一个他球接应。

The company was founded in 1993, the company area more than 12 million square meters, existing staff 358 people, technical personnel 52 people, mainly the production of "Tian Shan" brand series of steel ball (0.5 mm -100 mm), stainless steel beads (0.1 mm -- 150 mm), bearing steel ball (0.8 mm -150 mm), hollow ball, copper ball, aluminum ball, the ball of pure zinc, metal-coated ball (chromium, nickel, copper, zinc, gold, silver, etc.), drilling the ball , with an average annual production capacity of 1300 tons, according to GB308 - 89, as well as the United States ANSI / AFBMA standards that will provide you with a range of Products at level 5 -1000 between the aerospace industry are the automotive industry, precision instruments, gauges, motorcycle , bicycles, bearings, medical equipment and food machinery industries ideal accessory products.

本公司成立于1993年，公司面积12多万平方米，现有员工358人，技术人员52人，主要生产&天山&牌系列碳钢钢珠(0.5毫米-100毫米)，不锈钢珠(0.1毫米-150毫米)，轴承钢钢珠(0.8毫米-150毫米)，空心球，铜球，纯铝球，纯锌球，镀金属球(铬，镍，铜，锌，金，银等)，钻孔球，年均生产能力1300吨，根据GB308--89以及美国ANSI/AFBMA标准，可向您提供产品精度范围在5级-1000级之间，是航空航天工业汽车工业，精密仪器，仪表，摩托车，自行车，轴承，医疗器械和食品机械等行业理想的配套产品。

To dynamic scene visual tracking problem, this paper has researched the specific object tracking: face tracking. A structure and color based feature vector has been presented to modeling the face and used to real ize the satisfactory tracking result. To the active tracking problem, a toy car is selected as the research object.

对于动态场景下的视觉目标跟踪问题，文中结合人脸这一具体对象进行了研究，提出了一种基于颜色信息，结构信息等的特征量定义方法较好的实现了人脸跟踪，对于主动视觉目标跟踪问题，针对小车这一具体研究对象展开研究，文中研究了系统的具体构成及其中的控制方法。

Main products: 316,304 various types of material cast stainless steel ball valve,(one-, two-, three-ball valve in the connecting thread, two pairs of folders flanged ball valves, three-flanged ball valves, Welded to live ball valve, butt welding ball valve, Chengcha solder ball valve) and the closing valves, check valves, Y-traps and thread connecting the various parts.

公司主要产品：316、304材质各式精铸不锈钢球阀，（一片式、二片式、三片式内螺纹连接球阀，二片对夹法兰球阀、三片式法兰球阀、活接对焊球阀、对接焊球阀、承插焊球阀），截止阀、止回阀、Y型过滤器及各种螺纹连接管配件。

The design of the seam tracking sensor is the key work in the realization of the welding automatization. A novel touch photoelectric sensor for seam tracking was designed on the base of getting over the shortcoming of non-touch seam tracking sensor and using the principle of the photovoltaic translation. The idler pulley can touch the seam closely, then the sensor can realize the auto-tracking by the oriented function of the groove. If the offset of the idler pulley location appear, the sensor can change the offset to the voltage using the cell of the photovoltaic translation and the cell of signal processing.

焊缝跟踪传感器的设计是焊接自动化实现过程的重要环节，在此克服非接触式焊接跟踪传感器易受干扰的缺点，利用光电转化的原理，设计了一种新颖的接触式光电焊缝跟踪传感器，该传感器利用特制导轮与坡口紧密接触，依靠坡口的机械导向作用实现焊缝自动跟踪，当导轮位置发生偏移，利用光电转换单元以及信号处理单元，可将偏移位移转化为模拟电压量。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？