Method for realizing automatic shooting by utilizing bar code reader field depth characteristic
A barcode reader and automatic shooting technology, which is applied in the direction of instruments, color TV parts, TV system parts, etc., can solve the problems that have not been developed, can not control the shooting distance well, and achieve the effect of ensuring the shooting effect
Active Publication Date: 2010-10-06
上海先达企业发展有限公司
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Problems solved by technology
[0002] In the barcode application in the field of automatic identification technology, there are still many applications that have not been developed. For example, using the barcode as the control source, using the depth of field characteristics of the barcode reader to control the timing of shooting, for some applications that require real-time shooting but cannot control the shooting distance well. situation, very useful
Method used
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Embodiment 1
[0018] Such as figure 1 Shown, in the present invention, by Codesoft barcode generation software, generate the barcode figure that comprises control information and print on 2.5 centimeters high by 888 type barcode printers, on the wide coated paper label of 5 centimeters, make three labels (A1 , A2, A3). Their contents are different from each other to facilitate distinction.
[0019] Then the barcode labels are respectively pasted on the surface of the items (B1, B2, B3). Use MS-890(C) to adjust the focus on the barcode label, determine the best reading position, and adjust the position of the shooting focal length to the object. Use MS-890(C) to monitor the barcode label of the object. When the label appears in the MS-890(C) area, the barcode A2 is read, and the shooting device is triggered to take pictures and obtain the best picture. When the item does not appear within the scanning range, the shooting action cannot be triggered at this time, and no poor-quality picture...
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The invention relates to a method for realizing automatic shooting by utilizing bar code reader field depth characteristic. The method includes the following steps: control information used for triggering a camera to shoot is written into a bar code; the bar code is added with the object to be shot; field depth matching is carried out on bar code accuracy and a bar code reader to determine optimal distance of the bar code reader and the object to be shot; the object to be shot passes through the camera at the front of the camera; if the object to be shot appears in the field depth range of the bar code reader, the additional bar code thereof is read by the bar code reader, so as to trigger the camera to shoot; and if the object to be shot does not appear in the field depth range, the camera can not be triggered. Compared with the prior art, the invention has the following advantages: accuracy of bar code reader to bar code is utilized, reading range restriction characteristic is realized, optimal matching of image reading equipment and relative position of the object to be shot is realized, shooting effect is ensured, and application requirement is met.
Description
technical field [0001] The invention relates to the fields of information technology and automatic identification technology, in particular to a method for realizing automatic shooting by utilizing the depth-of-field characteristic of a barcode reader. Background technique [0002] In the barcode application in the field of automatic identification technology, there are still many applications that have not been developed. For example, using the barcode as the control source, using the depth of field characteristics of the barcode reader to control the timing of shooting, for some applications that require real-time shooting but cannot control the shooting distance well. situation, very practical. Contents of the invention [0003] The object of the present invention is to overcome the defects in the prior art and provide an easy-to-operate method for realizing automatic shooting by utilizing the depth-of-field characteristic of a barcode reader. [0004] The object of th...
Claims
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Login to View More IPC IPC(8): H04N5/232G06K7/10G06K9/00
Inventor 陈春王铀李尊义
Owner 上海先达企业发展有限公司