Large picture transmission method of camera with built in radio hand-held equipment
A hand-held device and picture transmission technology, applied in the direction of radio/inductive link selection arrangement, selection device, content conversion, etc., can solve the problem of limited use range, receiver can't reply, sender's name can only be replaced by its phone number, etc. problems, to achieve the effect of expanding the scope of use
Inactive Publication Date: 2004-06-30
ANYKA (GUANGZHOU) MICROELECTRONICS TECH CO LTD
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These image conversions are automatically carried out after the system recognizes the domain name of the sending party's mail address. There are many inconveniences in the sending process, such as the need to inform the other party of his own phone number, the sender's name can only be replaced by his phone number, and The receiver cannot reply, etc.; at the same time, it can only send pictures between a few mobile phones that support e-mail, so the scope of use is still quite limited and the versatility is poor
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[0017] The collected pictures are taken by the camera on the handheld device, and these pictures can be color, grayscale or black and white pictures; the size of the pictures can be various sizes suitable for displaying on the display screen of the handheld device. Since the current EMS standard only supports the display of 2-color pictures, the picture is converted into a binary picture with only black and white two colors by means of image binarization. Binarization processing is to divide a color or grayscale image into a picture with only two color pixels through a threshold. If the pixel is smaller than the threshold, give it a color; if the pixel is greater than or equal to the threshold, give it another color; perform the above operations on all pixels, that is, realize the binarization of the entire picture.
[0018] Because the ultra-large picture processing of the present invention is carried out based on the large picture format (32 * 32 dot matrix) of EMS, this EMS...
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A large picture transmitting method for the camera built-in the radio hand-held device includes the following steps: a) carrying on two-valued picture process for the obtained superlarge picture, b) carrying on size processing for the picture being two-valued c) carrying on cutting process for the picture of two-value with the size having been regulated, d) forming a data chain list based on the large picture for all the picture blocks having been cut, and e) coding and sending the formed data chain list according to EMS packet format through EMS coder. The present invention can convert the picture shot by the camera built-in the radio hand-held device into EMS format for transmission so that the handset with built-in camera and exchange the picture with the hand-held device produced in different manufacture and in different type for no function limitation.
Description
technical field [0001] The invention relates to a picture transmission method of a wireless handheld device, in particular to a large picture transmission method of a built-in camera wireless handheld device. Background technique [0002] With the development of mobile phone applications and wireless networks, mobile phones have gradually developed from a simple call function to a combination of call, multimedia, and entertainment functions. It will be one of the important applications to take and transmit live pictures through the mobile phone with built-in camera, and its market prospect is very broad. [0003] In the existing mobile phones that can capture and transmit pictures, such as the ZaurusPDA mobile phone of Japan’s Sharp Company and the latest mobile phone J-P51 of Japan’s J-Phone, they send and receive dynamic images as email attachments in the form of dynamic video emails . For example, in NTT DoCoMo Japan's 25li series of camera built-in mobile phones (Mover...
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IPC IPC(8): H04W4/12H04M1/21H04N1/40H04N1/41H04N1/56H04W4/18
Inventor 万享黄立新严更真胡胜发
Owner ANYKA (GUANGZHOU) MICROELECTRONICS TECH CO LTD