UNIT 6


UNIT 6
CAPTURE YOUR FAVOURITE IMAGE
TASK 1
You are going to read an article about 3D Scanners. Decide if the statements 1-5 are true, false or not given.
1. 3D scanners are quite affordable and thus have become a household item.
2. There is no particular difference between 3D scanners and other similar devices.
3. 3D scanning presupposes deep analysis of the object.
4. Not all objects can be scanned by noncontact 3D scanners.
5. 3D scanners are as sophisticated as digital cameras.
3D SСANNERS
By definition, 3D scanners are devices that can capture images from real life to a digital format. These scanners are much different than other similar devices that can perform real life captures, like the digital cameras, for example. The basic difference is that the 3D scanners can capture relief in the images quite well. Upon observing an image that has been produced through 3D scanning, it is very apparent which object is placed in front and which is behind, for instance. There is tremendous detail in lighting and shadows and the colors produced are much more true-to-life than those produced through other similar devices.
How do 3D Scanners work?
Basically, the technology of a 3D scanner is the same as that of a digital camera, though the scanner is much more advanced in comparison with the camera. Like a camera, the 3D scanner produces a field of vision in front of it and captures the images that lie in this field. But the 3D scanner is much more advanced at understanding relief. This it does by using complicated vector equations. All the points that are present in the field of vision of the scanner are provided vector parameters. Points that are closer to the camera will be given closer coordinates than the points that are farther. The light that will fall on each point will depend on the vector coordinate of the point. In this manner, when the final image is obtained, the image has the 3D relief that is required.
What are the types of 3D Scanners available?
There are two main types of 3D scanners available – the noncontact 3D scanners and the contact 3D scanners.
Noncontact 3D Scanners – these scanners are usually mounted on a stand. Their principle of working involves emitting some kind of radiation, such as light, X-rays, ultrasound or laser, over the area to the scanned. They then allocate the vector coordinates to every point in the area and then take an authentic picture of them. Technology has advanced in these noncontact 3D scanners nowadays. There are special types available in which the scanners themselves do not produce any radiation, but only decipher the information reflected back through the ambient light present in the area.
Contact 3D Scanners – these are also known as Coordinate Measuring Machines (CMMs). The CMMs, as their name suggest, have to be placed in contact with the object that needs to be scanned. They will physically feel all the points and bring out a scanned 3D image of it. These scanners are highly precise in their images, but they have their limitations. Not all objects can be allowed to come into contact with the scanner. It becomes a difficulty when scanning liquids or glass objects. Even most museums will not appreciate the scanner coming so close to their artifacts. Also, because of the physical preparedness of the device that's required, such scanning becomes very slow.
Why use 3D Scanning?
Apart from that, 3D scanned images are used in a large number of applications. One important use of this technology is in reverse engineering, a method in which deep analysis is done into an engineering model to better understand its working. There is a lot of use made of 3D scanned images in building computer graphics, especially for video games, and for the graphics used in movies. Museums use 3D scanners for recording their artifacts, and use the same images for promotional purposes, such as when popularizing an auction for the artifact.
How are 3D Scanners priced?
As expected, 3D scanners are very highly priced. Prices can start from $40,000 and can go on up to $400,000. Included in the packages of 3D scanners are the special software application that is needed for using all features of the scanner, tutorials and maintenance tips and certain technologies that can be implemented on the scanner.
TASK 2
Find Russian equivalents to the following words and word combinations from the article in TASK 1.
maintenance tips
emit some kind of radiation
software application
capture relief
ambient light
contact (noncontact) 3D scanners
decipher the information
authentic picture
vector parameters
Coordinate Measuring Machines (CMM)
TASK 3
Translate the following words and word combinations into English (TASK 1).
реверсивное проектирование
векторное уравнение
дорогой
цифровой формат
поле зрения
предмет материальной культуры
явный, очевидный
невероятные подробности, детали
реалистические, правдивые цвета
живая картинка (изображение)
TASK 4
Read the text below and decide which word A-C best fits each place.
Cast your mind back to the days when Facebook didn't exist, DM referred to a boot rather than a direct message and no one had a digital camera. Remember? Chances are that it's hard to forget, as you've probably got shoeboxes full of old photos to remind you. That's where the Veho Renovo photo scanner comes in. This gadget lets you turn your 6 x 4-inch photo memories into 1. __________ so that you can file your nostalgic family prints away on your 2. _____________ for future generations or simply annoy your friends by posting dreadful, old pictures of them on Facebook.
The Renovo scanner is pretty compact, measuring in at just 157.4 x 43 x 54.4mm and tipping the scales at a lightweight 230g. The white plastic finish actually looks fairly slick close-up, and the unit is reasonably sturdy too. The 3. _______________ for the photos stretches across the front of the device and it features a paper guide on the right to make sure that your photo fits snugly. Next to the main slot you'll find the 4. _______________alongside an indicator light that tells you whether the scanner is on, if there's a memory card inserted and if there's any paper jammed in the scanner.
Unsurprisingly, there's a fairly sparse collection of connections round the back of the scanner which are limited to a 5. _______________, a multi-format memory card slot and a Mini-USB port for hooking the scanner up to your computer. And of course, there's the back of the 3. _______________, where the photos come out after they've been scanned.
Setup couldn't be easier - all you need to do is 6. __________ a memory card _____, hook the power cable up to the mains and turn it on and you're ready to go. The memory card slot supports pretty much every format under the sun including SD, xD (H-type and M-type), MS, MS Pro and MMC. Be warned that there's no memory card supplied, so you'll need to sort one out for yourself.
All you need to do is carefully feed your photos, one by one into the slot, where they'll be automatically picked up and fed through the scanner. For your older, more fragile photos, the instructions suggest that you use the somewhat amusingly named anti-curl sheath that's supplied in the box. This keeps the photo flat and protected while it goes through the scanner so that it doesn't get caught and damaged and so that it can be scanned evenly. It's also a good idea to use it with any photos that have been in a photo album that uses glue so that none of the gummy remnants come off the back of the picture and end up in the scanner.
To view the photos, you can then either remove the card and plug it into a 7. _______________, or just hook up the scanner directly to your computer using the supplied USB cable. This also enables you to scan directly to your computer. The scanner also comes bundled with a disc containing software that will work on Windows 2000, XP, Vista or above, although not on a Mac. We were expecting some sort of photo-editing options, but all the software does is enable you to set the default location that the photos will be scanned to, whether that's the memory card or a folder on your computer.
Scanning takes about 5 seconds, so even if you've got a collection of hundreds of snaps, it shouldn't be too arduous to work your way through them and after a few snaps, you should be able to build up considerable speed in terms of loading the photos in.
Considering the original picture quality of the photos, the scanned images are pretty sharp. You might get a slightly more refined image by using a more 8. _______________ flat-bed scanner, but the pictures are only ever going to be as good as the originals (until you tinker with them on Photoshop). We also tried scanning a postcard, but the scanner isn't really built for scanning printed images, such as clippings from magazines (or in this case, postcards) - and the results are rather grainy.
The only real downside is you can't scan anything bigger than 6 x 4 inches. While it's true that this has been the standard size for 9. _______________ for some years, it doesn't help us much when it comes to our collection of 7 x 5-inch photos. For anything bigger than 6 x 4 inches you'll need a 10. _______________ or a portable device that's slightly bigger than the Renovo, such as the DocuScan.
Overall, we were impressed with how easy the Veho Renovo scanner was to set up and use and we were also happy with the picture quality of the 10. __________ that came from it. It would have been nice to include the capability to scan larger, 7 x 5 photos but we can't complain too much about this, as the Renovo is very clear about what it offers. The price tag of £79.99 seems a tiny bit steep for such a basic device, particularly as once you've scanned all of your old 6 x 4 photos you won't really have much use for it anymore. However, if you need a compact scanner to sort out those shoeboxes full of snaps then the Renovo fits the bill.
1. A. HTML;B. JPEG;C. JBIG2;
2. A. battery drive;B. auxiliary drive;C. hard drive;
3.A. feeding slot; B. coin slot;C. card slot;
4.A. tab;B. Backspace;C. power button;
5.A. SIMM socket;B. ball socket;C. power socket;
6. A. pop down;B. pop out;C. pop in;
7.A. card storage; B. card reader; C. card index;
8.A. bitter –end;B. end user;C. high-end;
9.A. snapshots;B. postcards;C. pictures;
10.A. bar code scanner;B. flat-bed scanner;C. handy scanner.
TASK 5
Fill in the gaps in the article with an appropriate word or word combination from the box.
Biometrics semi-conductor access devices identification fingerprint-based
user-friendly device biometric live-scan readers fake counterpart
1. __________ security has become an integral part of the security measures of every country in the world today. In fact the use of biometric 2. __________ is no more limited to fingerprint 3.__________ control and has transcended to other areas of life. In Brazil, for example, citizens have been using a 4. ___________ biometric identity card since 2000. The biometric ID cards contain a 2D bar code which includes information such as a color photo image, two fingerprints, signature and other personal details. Also in 2005, the Brazilian government introduced e-passports.
With the country gradually adopting 5. __________ in every walk of life, the Brazilian government decided to undertake an ambitious project in 2008 to eliminate chances of fraud in the driving tests conducted by the numerous driving institutes in the country.
The project was undertaken by the Brazilian Dept. of Transport (DETRAN) and was based on fingerprint 6. __________. It was first implemented in the Parana State in southern Brazil. The aim was to develop coming-of-age fingerprint 7. ___________ systems, to be installed in every driving institute, to successfully scan and verify the attendees' fingerprints. The project has been a pioneer in checking fraudulent measures being adopted during driving tests. These systems served the purpose of fingerprint 6. __________, fingerprint 3. __________ control, and fingerprint attendance at the same time.
The success of such large scale projects depends on the availability of excellent fingerprint
8. __________. Futronic FS80 USB fingerprint scanner is the kind of fingerprint 8. __________ that fits the bill perfectly. Coming from the stable of Futronic, a market-leader in fingerprint readers and scanners, the fingerprint scanner is a reliable and 9. __________. It features Live Finger Detection technology that can easily differentiate between a live finger and its
10. __________ and hence makes the fingerprint scanner suitable for live-scanning systems. The scanner can easily sense a live finger and promptly rejects fingers made of play-doh or silicone rubber.
The scanning surface of Futronic FS80 is made of crown glass of thickness 14 mm and is more rigid than the usual optical type or 11. __________ fingerprint scanners, thereby making it suitable for installations in public places. Further its CMOS sensor technology ensures distortion-free images at a high speed. The fingerprint reader delivers high quality fingerprint images even from dry, scarred and wet fingers, all thanks to the 4 infra-red LEDs which have adjustable intensity. These LEDs improve the illumination of the system to a great extent.
Futronic FS80 USB Fingerprint Scanner supports all leading OS viz. Windows XP Home, Windows Vista or even MS Windows 2000. With an accuracy range of FAR-10-6 and FAR-10-2, the scanner ensures extremely accurate and distinct image.
Needless to say, these features of the fingerprint scanner make it suitable for a wide range of applications ranging from 6. __________ to 3. __________ control to attendance calculations.
TASK 6
Grammar. Complete the sentences putting the adjectives in brackets in superlative form.
1. Flatbed scanners are _______________ (good) and _______________ (versatile) choice for
photo prints and documents, and they dominate the market now.
2. The _______________ (easy) solution to the problem is to buy an inexpensive USB hub.
3. IEEE 1394 (also called Firewire by Apple) is _______________ (late) and ______________
(great).
4. Interpolated resolution is _______________ (- important) scanner specification.
5. CCD is _______________ (common) technology for image capture in scanners.
6. In the software industry Apple has a reputation for being one of ______________ (tough)
companies to work at.
7. USB scanners are very popular, perhaps not _______________ (fast) scanners, but easy to
install.
8. I would spend a little more than _______________ (cheap) models, but will buy a decent
flatbed for scanning color photo prints.
9. Microsoft designs new services for _______________ (advanced) features of its newer
operating systems.
10. If you shop for _______________ (low) price and _______________ (good) buy, get the
economy model flatbed scanner.
TASK 8
Render the following Russian article into English.
Сканирование старых фотографий — это великолепный способ сохранить воспоминания и избежать беспорядка. После преобразования старых снимков в цифровые изображения и сохранения их на компьютере появляется возможность просматривать их чаще.
Для преобразования фотографий, прежде всего, необходим сканер. Существует множество моделей сканеров, разных форм и размеров, но все они работают по одному принципу — так же, как копировальный аппарат. Но в отличие от копировального аппарата, который сканирует документ и в тот же момент печатает копию, сканеры сканируют документ, а затем отправляют информацию на компьютер, где ее можно сохранить в качестве файла. Для отсканированных фотографий обычно используется формат JPEG, как и на цифровой фотокамере. Затем с файлом можно выполнить любые необходимые действия: напечатать, отправить по электронной почте и даже преобразовать его в фоновый рисунок рабочего стола.
Какой же сканер приобрести? Это зависит от того, что необходимо сканировать. Ниже представлен перечень наиболее распространенных сканеров.
Планшетный сканер - наиболее распространенный вид сканеров. Он имеет стеклянную поверхность, на которую размещают документ для сканирования. Сканирующая головка, которая работает по принципу цифровой камеры, перемещается по поверхности и считывает изображение документа, фотографии и других элементов. Это наиболее подходящая модель для сканирования фотографий.
Сканирующее устройство считывания с микропленки. Данный вид сканеров слишком мал для сканирования традиционных фотоснимков. Он разработан для обработки слайдов и негативов. В некоторых планшетных сканерах имеются адаптеры для слайдов и негативов, но специальные сканирующие устройства считывания с микропленки воспроизводят изображения более высокого качества. Если у вас большая коллекция слайдов и негативов, эта модель сканера является наиболее подходящей.
Ручное сканирующее устройство похоже на сканирующую головку планшетного сканера и помещается в руке. Разместите документ или фотографию на поверхности стола, а затем вручную перемещайте сканер-ручку вдоль документа, как будто вытираете пыль со стола. Эта модель наилучшим образом подходит для тех, кто много путешествует и кому часто приходится сканировать текстовые документы. Обычно они не очень подходят для фотографий, так как их разрешение и качество изображения слишком низкое для достижения нужного результата.

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