TRANSFER OF GRAPHIC IMAGES ON MOBILE PHONES AND BACK HAS BECOME A REALITY
In ERICSON Ink. the technology transfer graphics to mobile terminals, and then displays these images on the display of the mobile phone. The development of this technology will bring the level of exchange of information on mobile to a new level and to strengthen the relationship between these systems and computer equipment.
With the development of electronics and mobile phones to subscribers no longer need physical wires to exchange information over a network connection. Because of its portability and compactness, mobile communication systems have become very popular, and the number of cell phone subscribers continues to grow worldwide.
Mobile phones are already equipped with alphanumeric and graphic displays.
However GMS or PCS system has not reached the level of modern computers can transmit and graphic images such as still pictures, moving pictures, or faxed to the mobile terminal. This occurs because the system messages come into the mobile phone on the basis of character data are standardized between the mobile terminal and the PLMN. A graphic image or fax messages, in turn, contain binary data or data bits that are inconsistent with the character format.
Therefore, in order to transfer graphics on a mobile phone, one solution would be the introduction of various transfer mechanisms or standards, which runs into the goal GSM or PCS systems standardization of network environments and protocols to allow users of mobile systems to move freely and to exchange data on a number of different mobile communication systems. And to introduce any new protocol or standard, must be reviewed and approved by all parties to the GSM or PCS environment (or committee). And as already existing standards GSM or PCS, and so are the result of long and difficult negotiations between many different providers and countries, it is extremely unlikely that a new protocol or mechanism to control graphical images can be developed in a timely manner.
How to develop a mobile communication system that they have reached the level of computer equipment?
The corporation? ERICSSON INC. | (ERICSON Ink.) Researcher Eric Lee Valentine has found a way to transmit graphics to the mobile terminal based on the use of the transmission system of symbolic messages.
The essence of the new technology is the following. Binary data that represents a graphic image is converted to character format. These data are combined in symbol format and character message transmitted to the mobile terminal through the channel without traffic.
A mobile terminal demaps the received data in character format in the original binary data and processes the data for display.
Accordingly, it remains only to build a system of converting images to character format and back, and on your mobile phone you can see a color picture, it#39;s the best - as a GIF file, where space saving is carried out by reducing the colors.
If, for example, is a black-and-white picture fax, then this picture is not the easiest, as it will take up as much space as well as 100 SMS-messages.
Getting a color picture, for example, pictures v deal longer and costly. Therefore, the price of obtaining such images on mobile phone and send it to, for example, via the built-in camera it will depend on how much quality will be a snapshot of the resolution and color depth. In particular, color image pixels will be 1024h750 transmission 109715 bytes after compression (and in expanded form, 768000 bytes).
Raster same image (black and white two color v) of the same resolution (pixels 1024h750) will have to take only 6711 bytes (in expanded form 46977 bytes).
But you can pass and drawings in a format JPEG, ACR (medical image file), BMP, PCX, CGN (Computer Graphics Metafile), HDF (Hierarchical Data Format), P3D (3D Metafile Pittsburgh Supercomputing Center), and format documents RTF, video MPEG extension, and FLI (the file format of animation).
Transform function module receives a data packet with information about what graphical format used to properly convert the header information with the remainder of the image data. Variety and number of image formats other than the above are tested in the future are not limited.
