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Camera model architecture method suitable for embedded system

An embedded system and camera model technology, applied to the parts of TV system, parts of color TV, TV, etc., can solve the problem that the camera cannot be completed, the data cannot be sent to the camera data processing unit in time, and the image acquisition equipment is not supported And other issues

Inactive Publication Date: 2012-03-07
SHANGHAI INFOTM MICROELECTRONICS
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Problems solved by technology

No matter how excellent the processing of camera data is, if the image acquisition device is not supported, the data cannot be delivered to the camera data processing unit in time, and the functions of the camera cannot be completed
[0004] Conventional design methods often only support several common image acquisition devices, and only one of them can be supported at the same time, which cannot complete the free switching of multiple image acquisition devices in embedded systems
This design method is simple in function and cannot meet the needs of users

Method used

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  • Camera model architecture method suitable for embedded system
  • Camera model architecture method suitable for embedded system

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing illustrate concrete implementation mode

[0012] The figure shows the camera model architecture

[0013] First, register different device drivers into InftomMediaCameraLib, and abstract a unified interface to interact with InftomMediaCamera.

[0014] Second, the architecture of the multi-threaded model in InftomMediaCamera is used to read and transmit data, preview, take pictures, and video.

[0015] Third, users can preview, take pictures, video and other operations through the interface of InftomMediaCamera.

[0016] Above-mentioned operation process is a kind of typical implementation mode of method described in the present invention, for those of ordinary skill in the art, can do multiple changes on the basis of above-mentioned embodiment, as reasonable setting Stream FIFO depth, can satisfy more Multiple Systems Use of the Invention. However, such changes should obviously be within the protection scope of the claims...

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Abstract

A camera model architecture method suitable for an embedded system belongs to an architecture method supporting image acquisition equipment and a data interaction model in the embedded system. Problems needed to be solved comprises: how to support a plurality of the image acquisition equipment and how to complete the data interaction between the image acquisition equipment and the system. The method is characterized in that: an InfotmMediaCameralib module, which is taken as an intermediate interface database, integrates the image acquisition equipment of different equipment driving programs into the database and performs the interaction between an abstract unified interface with an upper layer InfotmMediaCamera; an InfotmMediaCamera module provides a complete camera data interaction function and a bidirectional control feedback function. By using the method of the invention, an application of controlling multi-cameras can be supported, and simultaneously an asynchronous demand of automatic focusing control and a synchronous demand of automatic exposure control can be supported too; a memory demand and a data bandwidth demand can be effectively minimized.

Description

technical field [0001] The present invention relates to the technical field of embedded system cameras, more specifically, an architecture method for supporting image acquisition equipment and data interaction models in embedded systems. Background technique [0002] With the rapid development of technology, more and more embedded devices support camera functions, and today's image acquisition devices such as cameras are also ever-changing. [0003] How to support a variety of image acquisition devices and how to complete the data interaction between image acquisition devices and the system has become an important link in the design process of embedded system camera functions. No matter how excellent the processing of camera data is, if the image acquisition device is not supported, the data cannot be delivered to the camera data processing unit in time, and the function of the camera cannot be completed. [0004] Conventional design methods often only support several commo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232G06F9/44
Inventor 丁强章志刚李兴仁邱海峰张昕
Owner SHANGHAI INFOTM MICROELECTRONICS
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