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A multi-sensor multi-channel video data input method and device

A video data and multi-sensor technology, applied in the field of image communication, can solve the problem that the product cannot be really compact and flexible, and achieve the effect of saving chip cost and reducing circuit pins

Active Publication Date: 2019-04-23
GUANGZHOU SHENGGUANG MICROELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the patent application uses the MIPI interface to reduce the chip size of the multi-image sensor image processing device, the product cannot Really small and flexible

Method used

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  • A multi-sensor multi-channel video data input method and device
  • A multi-sensor multi-channel video data input method and device
  • A multi-sensor multi-channel video data input method and device

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Embodiment 1

[0034] Please refer to figure 1 , the present embodiment provides a multi-sensor multi-channel video data input device, which includes n (n≥2) groups of asynchronous sampling modules 111, video interface modules 112, definition resolution modules 113 and complex The module 121 also includes a cache synchronization module 131 and a synchronization adjustment module 141, and the data output terminals of n multiplexing modules 121 are connected to a data input terminal of a cache synchronization module 131, and the synchronization adjustment module 141 includes a signal input terminal and a signal output terminal , the signal input end of the synchronous adjustment module 141 is connected to the definition resolution module 113 . After the RAW or YUV422 data of multiple sensors are asynchronously sampled by the asynchronous sampling module 111, the video interface module 112 converts the data format required internally, and then defines the resolution of the data by the definitio...

Embodiment 2

[0048] Please refer to Figure 5 , the present invention also provides another embodiment of the multi-sensor multi-channel video data input device, which includes several groups of high-speed time-division sampling modules 114, asynchronous sampling modules 111, video interface modules 112 and definition resolution connected in sequence along the data transmission direction Module 113 also includes multiplexing module 121, cache synchronization module 131 and synchronous adjustment module 141, wherein each definition resolution module 113 is connected with the data input end of multiplexing module 121 and the data input end of synchronous adjustment module 141, multiplexing The data output end of the module 121 is connected to the data input end of the cache synchronization module 131, the data output end of the synchronization adjustment module 141 is connected to the sensor module 10a, and the data output end of the cache synchronization module 131 is connected to the data i...

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Abstract

The multi-sensor multi-channel video data input device provided by the present invention includes an asynchronous sampling module, a video interface module, a definition resolution module, a multiplexing module, a cache synchronization module and a synchronization adjustment module. After the data of multiple sensors is asynchronously sampled by the asynchronous sampling module, the video interface module converts it into the data format required internally, and then defines the resolution of the data by the definition resolution module, and outputs the required resolution data; after multiplexing After the multiplexing and sorting of the modules, they are saved to the RAM cache unit or DDR cache unit to generate multi-sensor synchronous data output; the synchronization adjustment module is responsible for adjusting the data of multiple sensors to meet the requirements of the multiplexing module. The invention achieves the purpose of reducing circuit pins and miniaturizing the chip. The multi-sensor and multi-channel video data input method provided by the present invention can quickly and effectively complete multi-lens and multi-sensor video data processing through a simple and compact device.

Description

technical field [0001] The invention relates to the technical field of image communication, in particular to a multi-sensor multi-channel video data processing method and device. Background technique [0002] At present, an image sensor needs an image signal processor (ISP) to convert the information collected by the optical lens into usable RGB (or YUV) image data output. If multiple image sensor data are collected at the same time, the image signal processor (ISP) chip must greatly increase the number of pins, resulting in too many auxiliary devices that need to be built on the circuit board, and the product cannot be made small and flexible, increasing the number of products. total cost, and affects the flexible design of the product. [0003] CN202309907U discloses a multi-image sensor image processing device comprising a MIPI interface, which is characterized in that it includes a main image sensor chip, one or more slave image sensor chips and a master control chip, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/247H04N5/335H04N5/341H04N23/90H04N25/00
CPCH04N25/41H04N25/00H04N23/90
Inventor 于燕斌张燕生何仕杰
Owner GUANGZHOU SHENGGUANG MICROELECTRONICS
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