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Flow control method and system for camera software

A flow control and software technology, applied in the Internet field, can solve the problems of wasted flow and excess.

Active Publication Date: 2017-09-08
SANGFOR TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] One of the mainstream solutions for USB peripheral mapping products is device-level mapping. Device-level mapping is realized by forwarding pictures from the application layer; because the frame transmission frequency set inside many camera software is relatively high, 20 frames of images per second are transmitted. Taking the frame transmission frequency as an example, the network bandwidth occupied by a photo with a resolution of 1024*768 will exceed 2M / s; and before taking a photo, the camera is usually moved to adjust the position and focus of the photo. It takes about 3 to 5 seconds. Taking the frame transmission frequency of 20 frames per second as an example, there will be hundreds of pictures actually transmitted from the client to the server, and the server will actually only select one photo. , a large number of other pictures transmitted by the client in this process are redundant, so this transmission process will waste a lot of traffic

Method used

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  • Flow control method and system for camera software
  • Flow control method and system for camera software
  • Flow control method and system for camera software

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Embodiment Construction

[0039] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] Embodiments of the present invention provide a first embodiment of a traffic control method for camera software; figure 1 As shown, the flow control method of the camera software of the present invention comprises the following steps:

[0041] Step S01, the server receives the photographing instruction in the remote application, starts the virtual camera to display the preset picture, and fills the preset picture into the data callback storage area corresponding to the photographing software, and at the same time sends the image position information corresponding to the virtual camera to client;

[0042] The server receives the camera command in the remote ap...

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Abstract

The present invention discloses a flow control method and system for photographing software. In this embodiment, the client side monitors a photographing trigger event and takes a photograph, and then sends the obtained photographed pictures to the server. For the client, the process of adjusting the focal length and position of the camera The image displayed by the camera in the center is not transmitted to the server, avoiding excessive network bandwidth resources due to the transmission of redundant images, and saving data transmission traffic.

Description

technical field [0001] The invention relates to the field of the Internet, in particular to a flow control method and system for photographing software. Background technique [0002] At present, desktop virtualization vendors usually apply local USB (Universal Serial Bus, Universal Serial Bus) devices to remote application servers; , Car rental and other industries are used to take pictures, such as taking ID photos or face portraits to complete the entry of user data. [0003] One of the mainstream solutions for USB peripheral mapping products is device-level mapping, which is implemented by forwarding pictures from the application layer; because the frame transmission frequency set in many camera software is relatively high at present, 20 frames of images per second are transmitted Take the frame transmission frequency as an example, the network bandwidth occupied by a photo with a resolution of 1024*768 will exceed 2M / s; and the camera is usually moved before taking a ph...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/238H04N21/239H04N5/232H04N21/63
Inventor 陈路姜正文
Owner SANGFOR TECH INC