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Special Effects


Special Effects

Film and television special effects make the impossible seem real, and allow filmmakers to translate their visions into moving pictures. The history of special effects is as old as cinema itself, but in the past few years it has been revolutionized by the arrival of computer generated imagery (CGI).

The first special effects motion pictures were made by French director. On film, there is no way of telling the scales of different objects, so miniature models can be turned into huge objects on screen. Film can also be shot frame by frame moving models slightly between frames, creating the illusion of movement when the film is played back at full speed.

Exposing two images on the same frame of the film that can be use to combine action sequences shot at different times. Early film makers created those composite pictures by blocking out part of a scene so that a portion of film in each frame was not exposed. The film was then rewound a new sequence was shot on the unexposed portion of the film. This technique known as, matte, limited the action because the actors could not cross the boundary between the area exposed in the first sequence and the area exposed in the second sequence. The invention of the optical printer in the 1920’s made the task of combining separate elements much easier. Optical printers consist of a projector on which several films can be projected at any one time, and a cine camera, which shoots the composite picture on to a new piece of film in the camera.

The simplest way of blending moving action seamlessly with a separately shot background is rear projection-actors perform in front of a screen, on to which a background sequence is projected. The most recent revolution in special effects has been the arrival of CGI. Computers have been used “behind the scenes” since the 1970s, but their processing power was limited, and CGI could only create flat-looking artificial backgrounds. In the early 1990s, computers finally became powerful enough to create life like 3-D images.

Films such as gladiator use CGI to merge live action with a digital recreation of ancient Rome on a scale that would have been unimaginable for earlier directors.

CGI is often combined with animatronics-detailed models with electronic mechanisms that give them complex movements. Animatronics are frequently used for close-up shots and for scenes where a remote controlled model has to interact with its environment.

These models are capable of performing a wide range of movements which are complex and carry network of electric signals.

Tags: computer, motion pictures, matte, optical printers, 3-D images, animatronics


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INNOVATIONS IN COMPUTERS

INNOVATIONS IN COMPUTERS

Computers is such a field in which almost every day some new innovations takes place .you purchase a new product and very next day a supplement is available for it . Recently KEYSCAN have come up with its new keyboard-cum-scanner which is fusion of keyboard and scanner ,allowing you to have more space on your computer desk and at the same time have access to your required equipment easily .Another device is developed by CHUMBY INDUSTRIES INCORPORTION. IT has launched its new computer based gadget CHUMY. Here is the overview.

KEYSCAN ‘S (Keyboard-cum-scanner)
Are you fed up of too many computer attachments like scanner or printer on your computer desk? Then keys can have come up with its new innovation to help you a bit. KEYSCAN have launched its new keyboard-cum-scanner. It is a high quality windows keyboard incorporates a bi-directional 600dpi color scanner which is capable of scanning a full page documents and it only takes 14-15 seconds in this process. If document is to be scanned in gray scale mode then it takes only five seconds to perform the assigned work. KEYSCAN’S keyboard-cum-scanner is very convenient as it gives extra space of three square feet on your desk.

FLEXYBLE FREEKY CHUMBY
CHUMBY is box shape gadget made by CHUMBY INDUSTRIES INCORPORATION. However it is also called as IPTV or Boom box.

CHUMBY is actually an abandoned touch screen computer .It provides you the facility of LAN and internet with the help of Wi-Fi system. As you will switch on this touch screen gadget it enables you to access all the visits of web world. In the initial stage the visits which will be displayed will based on local weather information, sports scores, stock statistics and news headlines etc. Later these visits can be programmed for a particular topic. Visits like dialog box, pop up windows, and internet tools are always there. Almost in every thirty seconds it shows a new visit on the screen .It also allows you to access e-mail sites as well as face book and flicker. You tube most popular videos can be seen , for audio in build speakers are provided moreover It can be connected to external sound systems.

CHUMBY is so portable that it can be paced any where in your home like in kitchen, on shelf or simply on bed side table. CHUMBY is also efficient in playing internet radio and can also be used as an alarm clock or an electronic photo frame.

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