数码相机定位原理?(具体一些)？英文双语对照

一、数码相机定位原理?(具体一些)？

所谓数码相机定位是指用数码相机摄制物体的相片确定物体表面某些特征点的位置。

最常用的定位方法是双目定位，即用两部相机来定位。对物体上一个特征点，用两部固定于不同位置的相机摄得物体的像，分别获得该点在两部相机像平面上的坐标。只要知道两部相机精确的相对位置，就可用几何的方法得到该特征点在固定一部相机的坐标系中的坐标，即确定了特征点的位置。于是对双目定位，精确地确定两部相机的相对位置就是关键，这一过程称为系统标定。

二、数码相机中的GPS定位功能有什么用？

相机上的GPS功能是给照片设置经纬度等相关坐标。

就是好让使用者记录下，这张照片是在什么时间什么地点拍摄的。好让使用者在拍完照片后，记住这个拍照的地方，要是以后拿起这张照片想不起来在哪里拍摄的，就可以查看照片信息里的经纬度，查找拍摄地点了。

三、数码相机为什么叫数码相机？

顾名思义，数码相机它摄影获得的成果是数字信息，它与胶卷相机区别在于，胶卷相机拍摄曝光是胶片涂层的化学反应，胶卷获影像(需冲洗)；而数码相机拍摄曝光过程是感光元件光电转换过程、获得的是数字信号信息存入内存卡里，数码相机最大好处是不需要使用胶卷这种耗材。

四、维修数码相机，怎样给数码相机放电？

镍镉电池需要放电后充电,否则容易有记忆效用.

镍氢电池虽然记忆效用比较轻,也最好采用用光充足的使用策略.一般在使用一段时间后,采用充分放电充分充电一次,来激活电池的最大容量.

锂电的记忆效用可以忽略不计,所以充电前不必放电.

有的针对镍镉电池专用的充电器,本身带放电功能,放完电后自动转为充电状态.

如果想用数码相机多用电来完成电池放电过程,对数码相机来说是无谓磨损,得不偿失,还是不使用这种方法为好.

建议把电池放到电动玩具或者用使用电池的各种电器里使用,最好是工作电流比较大的那些电器,那样放电时间可短些.

五、卡片数码相机？

照相机是记录静态图片的光学仪器，根据记录介质分为传统的胶片相机、拍立得相机（波拉片）和数码相机（记录为数字化图片文件）。

数码相机作为照相机的一大类，又根据镜头配置分为可更换镜头的和不可更换镜头的相机。

可更换镜头数码相机又分为可更换单镜头反光取景器数码相机（俗称数码单反）和可更换单镜头电子取景器数码相机（俗称单电，索尼将微型机身的单电称为微单，以便与其酷似单反外形但使用电子取景器的单电相机相区别）。

不可更换镜头数码相机又分为超薄数码相机即俗称的卡片机，还有一类拥有超大变焦比（30倍以上）镜头的大变焦数码相机，因为等效焦距可达到600-1200mm，又简称为长焦数码相机（其实其多数也拥有24mm的广角）。这类相机镜头硕大，其实不能称之为卡片机了，其外形酷似单反，又称为类单反相机。

数码单反

单电相机

卡片机

类单反相机

六、YASHICA数码相机？

《雅西卡》、日本二、三流的相机厂商，这个一台数码LOMO相机，随便玩玩。

有一个概念问题必须搞清楚：变焦和对焦是两回事，更没有自动变焦一说，只有自动对焦！！！

这是一台数码傻瓜机，没有变焦镜头，只是一个定焦镜头，更没有自动对焦系统，只有手动对焦 ，太傻瓜了，不值得买！

七、数码相机好吗？

数码相机优点就是:立拍立刻可以看到效果；出照片快，连上无线，就可以立即打印出照片；修改方便；传输方便 有网的地方，随拍随时可以传到任何有网的地方。

缺点就是耗电大，没有电彻底趴窝；存储卡一旦损坏，所有的心血白费。

八、单反数码相机和消费数码相机的差别？

单反相机和数码相机的区别如下：第一个区别：取景方式的不同。单反是以光学的取景方式，涉及的元器件有反光板和五棱镜。微单它是采用的是电子取景方式——直接用镜头捕捉影像，然后把它转化为电子图象。第二个区别：对焦速度不同。单反的对焦速度会快一点，而数码类的微单，会比较慢一点。第三个区别：宽容度不同。最终的细节，比如说太亮或者太暗的bufen ，数码相机细节丢失很严重。第四个差别：重量不同。数码相机较轻，而单反相机非常重。出去玩如果要背台单反，滋味可不好玩。第五个差别：价格不同。一般来讲，单反都是要比微单价格要贵很多。对数码相机而言，感光元件的尺寸是影响成像质量最直接也是最关键的因素，感光元件越大，则成像质量越高。数码单反相机感光元件尺寸远远超过了普通的消费型数码相机，达到了十几甚至数十倍之多，这就意味着同样为1000万像素的数码单反相机和消费型数码相机，前者在表现打个像素时，拥有更大的感光元件面积进行表现，这也就不难理解数码单反相机拥有更优异的成像质量了。

九、产品定位营销定位广告定位区别？

产品定位指的是对产品进行定位的行为，也就是明确产品的发展方向和功能使用情况。产品定位着重在于产品的发展趋势和方向目标。营销定位指的是对营销行为进行确定的行为，营销行为需要事先确定好方向，然后按照该方向去营销。

广告定位指的是对广告进行定位的过程，也就是说如何去打广告的过程，广告定位需要确定好广告的风格、内容和主题。

十、汽车定位怎么定位？

1、普通手机并不能定位汽车位置。所谓汽车定位，是汽车上的GPS定位设备自行定位以后，通过网络将自己的当前位置发送到手机，手机才能知道当前汽车在什么位置。

显然的，并不是任何手机都可以对汽车进行定位，必须双方安装软件进行匹配，才可以实现对汽车的定位。

2、需要车中有相应的驾驶辅助系统，例如通用的车上的安吉星等类似的软件，只需要在手机上安装客户端就可以知道车辆的位置。汽车GPS安装方法：

第一步：找线 ， 清点所需定位终端配件及接线工具是否齐全。

第二步：装SIM卡 ，注意：请确保GPS定位终端在未通电的情况下插入SIM卡，否则容易烧卡。

第三步：接线第四步：终端固定，GPS定位器体积小巧，容易隐蔽安装第五步：激活上线以上所有步骤完成后，将车辆复原。

然后将车牌号码、终端ID、SIM卡号等信息报给公司客服人员进行激活，于是在电脑以及手机、微信里就可以对车辆进行定位管理。

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英文翻译对照，仅供参考

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One, principle of digital camera fixed position? (A few more specific) ?

Fixed position of so-called number camera is to show the photo that uses object of digital camera produce a film decides object surface is certain the place that the feature chooses.

The most commonly used location method is binocular fixed position, locate namely with two camera. To dot of a feature, photograph those who get an object to resemble on the camera of different position with two solid, obtain the coordinate that goes up at this o'clock in two camera image plane respectively. Want to know the opposite place with two accurate camera only, the method of usable geometry gets this feature dot is in the coordinate in the coordinate department that secures a camera, fixed the place that the feature chooses namely. Be opposite then binocular fixed position, the relative position that determines two camera accurately is crucial, this one process calls systematic demarcate.

2, what does function of fixed position of digital magazine GPS have to use?

The GPS function on camera is to give a photograph to install the relevant coordinate such as longitude and latitude.

It is good below record of the person that let use, what place films this piece of photograph in when. After the good person that let use is taking a picture, remember this place that take a picture, if take what this piece of photograph is unable to call to mind to film where later, can examine the longitude and latitude in picture news, search film the ground is nodded.

3, why does digital camera call a number camera?

Just as its name implies, the gain that its photography scores digital camera is digital information, it and film camera distinction depend on, film camera films exposure is the chemical reaction of film coating, film is obtained video (need to rinse) ; And digital camera films exposure process is transition of sensitive component photoelectricity, those who obtain is digital signal information stock memory Carrie, digital watch for an opportunity is the greatest advantage is not to need to use film material of this kind of bad news.

4, maintenance number camera, how to give digital camera discharge?

After need discharges, nickel cadmium cell charges, have memorial effectiveness easily otherwise.

Although nickel hydrogen batteries remembers effectiveness lighter, also had better use the use strategy with enough consumed. After using period of time commonly, use sufficient discharge to charge adequately, will activation of batteries most high capacity.

The memorial effectiveness of lithium report is negligible not plan, before charging so, need not discharge.

Some is aimed at charger of appropriative of nickel cadmium cell, itself takes discharge function, put electric hind to turn automatically to charge condition.

If want to use digital watch for an opportunity multi-purpose report will complete batteries discharge process, it is meaningless to digital camera wear away, the loss outweights the gain, still do not use this kind of method had better.

Suggest to be used in all sorts of electric equipment that put batteries to dynamoelectric toy to perhaps use use cell, had better be those electric equipment with working older electric current, discharge in that way time but some shorter.

5, card number camera?

Camera is the telescope that records static picture, the film camera that is a tradition according to recording medium to divide, pat stand camera (Paula piece) with digital camera (the record is digitlization picture file) .

Digital camera serves as a kind big of camera, it is according to cent of camera lens configuration again can change of camera lens and cannot change the camera of camera lens.

Can change camera of camera lens number is divided again to can change camera of number of single shot reflex viewfinder (common says digital sheet is turned over) and can change camera of number of viewfinder of single shot electron (common weighs only report, the only report of airframe of miniature of Suo Ni general calls small sheet, so that be exactly like sheet with its,return an external form but the photograph of only report camera of use electron viewfinder is distinguished) .

Cannot change camera of camera lens number is divided again for ultrathin number camera namely the card chance that common weighs, still one kind is had exceed big scorch to compare (30 times above) the camera of big scorch number of camera lens, because equivalent focal length can achieve 600-1200mm, abbreviation is camera of long anxious number (the wide part that actually its majority also owns 24mm) . Camera lens of this kind of camera is huge, cannot say actually be card machine, its appearance is exactly like sheet to turn over, call kind of sheet to turn over camera again.

Digital sheet is turned over

Only report camera

Card machine

Kind sheet turns over camera

6, YASHICA number camera?

" Yaxika " , Japan 2, small-time camera manufacturer, camera of LOMO of this a number, play casually.

Problem of a concept must make clear Hunan: Scorch and right anxious it is two different matters, do not have automatic scorch to say more, be opposite automatically only anxious! ! !

This is a number goofy machine, without scorch camera lens, it is one focuses camera lens only, do not have more be opposite automatically anxious system, only the hand is moved right anxious, too goofy, undeserved buy!

7, is digital watch for a chance good?

Is digital camera advantage: ? Key of tip of charcoal of ⑴ herd ⒖ blows  of  of Yu of  of palm of Huai Su of  calling Ч to hold Gan Lu  to besmear ⒓ of tip another name for Guangdong Province achieves award of Mu of Ru of suddenly of  of palm of Qi 〕 revive to be contrary to the place that? of award of Zhuo of  of the Huaihe River has a net, along with take the place that can spread a net at any time.

Defect is bad news report big, bend over thoroughly without report nest; Once memory card damages, all painstaking effort waste.

8, the difference that sheet turns over digital camera and consumptive number camera?

Sheet turns over the distinction of camera and digital camera to be as follows: The first distinguishs: Of means of find a view different. Sheet is the means of find a view with optics instead, yuan of involved parts of an apparatus have glance board with 5 prism. Small sheet it is those who use is means of electronic find a view -- catch with camera lens directly video, next image of electron of its translate into. The 2nd distinguishs: Different to anxious speed. What sheet turns over will be a bit faster to anxious speed, and number kind small sheet, the meeting is a bit slower. The 3rd distinguishs: Latitude is different. Final details, for example too bright too dark perhaps Bufen, digital camera detail is missing very serious. The 4th difference: Weight is different. Digital camera is smaller, and sheet turns over camera very heavy. Go out to if want to carry stage sheet on the back to turn over,play, flavor but not amused. The 5th difference: The price is different. Will tell commonly, sheet is to want than tiny monovalent square instead a lot of more expensive. logarithm code camera, the dimension of sensitive component is to be affected resembling quality also is the most crucial factor directly most, sensitive element is larger, become taller like quality. Digital sheet turned over dimension of camera sensitization component to exceed watch for an opportunity of average consumption number far, achieved ten even tens of of times, this is meant turn over camera of camera and consumption number for the 10 million number sheet that resembles element likewise, former hit in expression when resembling element, have larger sensitive component area to have show, sheet of this not fathomless also number turns over camera to have more exceedingly good into resemble quality.

9, distinction of fixed position of advertisement of fixed position of sale of product fixed position?

The product locates those who point to is the action that has fixed position to the product, the development direction that makes clear a product namely and function use a case. Product fixed position emphasizes the development trend that depends on a product and directional end. Sale locates those who point to is the action that has deciding to sale action, sale action needs to decide good way beforehand, go according to this direction next sale.

Advertisement locates those who point to is the process that has fixed position to advertisement, how make advertising process that is to say, advertisement locates need decides good advertising style, content and theme.

10, how does car fixed position locate?

1, common mobile phone can not locate car seat. Alleged car locates, it is the GPS on the car after proper motion of fixed position equipment locates, send oneself current position the mobile phone through the network, mobile phone ability knows current car is in what position.

Apparent, not be any mobile phones can have fixed position to the car, must bilateral installation software undertakes matching, ability can realize the fixed position to the car.

2, in needing a car, have drive accordingly support system, for example the similar software such as the An Jixing on current car, need to install a client to carry the place that can know car on the mobile phone only. Car GPS installs a method:

The first pace: Seek a clue, place of check the amount requires fittings of fixed position terminal and wiring tool all ready.

The 2nd pace: Outfit SIM gets stuck, attention: Ensure GPS locates terminal is in please SIM card was not inserted below the circumstance of electrify, burn card easily otherwise.

The 3rd pace: Wiring the 4th pace: Terminal is fixed, GPS positioner bulk is cabinet, concealment easily install the 5th pace: After all measure finish above of the line on activation, recover from an illness car.

Get stuck ID of plate number, terminal, SIM the information such as date to sign up for personnel of company customer service to undertake activationing next, can be opposite in computer and mobile phone, small letter then car has fixed position government.