CN212572701U

CN212572701U - Camera system of MIPI interface output

Info

Publication number: CN212572701U
Application number: CN202021519893.8U
Authority: CN
Inventors: 武浩
Original assignee: Shenzhen Owl Micro Vision Technology Co ltd
Current assignee: Shenzhen Owl Micro Vision Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-19
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a camera system of MIPI interface output. The camera system is output by the MIPI, and comprises a Sensor image Sensor, a power supply unit and a capacitance resistance Sensor; the image processing chip is connected to the output end of the Sensor image Sensor, the output end of the image processing chip is connected with a BT1120/BT656MIPI conversion chip, the output end of the BT1120/BT656MIPI conversion chip is connected with a connector terminal, the output end of the image processing chip is connected with a storage chip, and the power supply unit is composed of required power supply chips. The utility model provides a camera system of MIPI interface output, through setting up BT1120/BT656MIPI chip, when the inside image conversion of carrying out of system handles, can be with YUV444, YUV422 with the image data of image processing chip, YUV 420's data format, then in MIPI CSI interface transmission rear end chip, and then kept more real image detail, reduced the required time of code, fine optimization image quality and image transmission delay problem.

Description

Camera system of MIPI interface output

Technical Field

The utility model relates to an image module field especially relates to a camera system of MIPI interface output.

Background

The camera is a video input device, widely used in video conference, remote medical treatment and real-time monitoring, and can be divided into two categories of digital camera and analog camera, the digital camera can convert the analog video signal generated by the video acquisition device into digital signal, and then store the digital signal in the computer, the video signal captured by the analog camera must be converted into digital mode by a specific video capture card, and can be converted into the computer for application after being compressed, the digital camera can directly capture the image, and then the image is transmitted to the computer through a serial, parallel or USB interface.

The image recording function of camera mainly is through its inside image acquisition module, and along with the rapid development of artificial intelligence trade at present, the demand of image acquisition module is increasing day by day, like face identification, face payment, the artificial intelligence field proposes higher demand to the image quality and the image transmission delay of input image, in prior art, there are a lot of chips that image processing ability is strong, but because it lacks native MIPI CSI interface, make entire system can't pass through MIPI CSI interface output with the data after the image processing, make it not ideal in the aspect of optimizing image quality and image transmission speed.

Therefore, there is a need to provide a camera system with MIPI interface output to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a camera system of MIPI interface output has solved current camera system and can't pass through MIPI CSI interface output with the data after the image processing, makes its not ideal problem in the aspect of optimizing image quality and image transmission speed.

In order to solve the technical problem, the utility model provides a camera system of MIPI interface output, include:

a Sensor image Sensor, a power supply unit and a capacitance resistance Sensor;

the image processing chip is connected to the output end of the Sensor image Sensor, the output end of the image processing chip is connected with a BT1120/BT656MIPI conversion chip, the output end of the BT1120/BT656MIPI conversion chip is connected with a connector terminal, the output end of the image processing chip is connected with a storage chip, and the power supply unit is composed of required power supply chips.

Preferably, the output terminal of the power supply unit is connected to the input terminals of the Sensor image Sensor, the image processing chip, the BT1120/BT656MIPI conversion chip, the memory chip, and the connector terminal, respectively.

Preferably, the image processing chip comprises a chip with BT1120 and BT656 image signal processing capability, and the transmission signal of the connector terminal is a bidirectional electric signal.

Preferably, the input of the BT1120/BT656MIPI conversion chip comprises BT1120 and BT656 interface inputs, and the output comprises a MIPI CSI interface output.

Compared with the prior art, the utility model provides a camera system of MIPI interface output has following beneficial effect:

the utility model provides a camera system of MIPI interface output, through setting up BT1120/BT656MIPI chip, when the inside image conversion of carrying out of system handles, can be with YUV444 with the image data of image processing chip, YUV422, YUV 420's data format, then in MIPI CSI interface transmission reaches the rear end chip, MIPI CSI interface output has been realized, and then more real image detail has been kept, the required time of code has been reduced, fine optimization image quality and image transmission delay problem.

Drawings

Fig. 1 is a block diagram of a camera system with MIPI interface output provided by the present invention;

fig. 2 is a schematic structural diagram of another preferred embodiment of the camera system with MIPI interface output provided by the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a camera system with MIPI interface output according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of another preferred embodiment of the camera system with MIPI interface output provided by the present invention. The camera system of MIPI interface output includes:

a Sensor image Sensor, a power supply unit and a capacitance resistance Sensor;

The Sensor image Sensor is an image acquisition unit and outputs an original image data format image, a physical signal is transmitted between the Sensor image Sensor and an image processing chip, the image processing chip has ISP processing capacity and comprises a multimedia chip with image processing capacity, the multimedia chip is connected with a storage chip, signals transmitted between the image processing chip and a BT1120/BT656MIPI chip are physical signals and comprise BT1120 and BT656 signals, a power supply unit is used for providing a power supply required by a system, the storage chip is used for providing data firmware storage for the image processing chip, and a resistance-capacitance sense is a common device of the system;

by arranging the BT1120/BT656MIPI chip, when image conversion processing is carried out in the system, image data of the image processing chip can be transmitted to a rear-end chip in a YUV444, YUV422 and YUV420 data format mode through an MIPI CSI interface, more real image details are reserved, time required by coding is reduced, the image quality and image transmission delay problem are well optimized, the performance of the whole camera system in the aspect of image processing is greatly improved, compared with the traditional camera system, the intelligent degree is higher, and the requirement of people on high-quality images can be met.

The output end of the power supply unit is respectively connected with the input ends of the Sensor image Sensor, the image processing chip, the BT1120/BT656MIPI chip, the memory chip and the connector terminal.

The image processing chip comprises a chip with BT1120 and BT656 image signal processing capability, and the transmission signal of the connector terminal is a bidirectional transmission electric signal.

The input of the BT1120/BT656MIPI conversion chip comprises BT1120 and BT656 interface input, and the output comprises MIPI CSI interface output.

The BT1120/BT656MIPI conversion chip supports output data formats which can comprise YUV and RGB.

Fig. 2 is a schematic structural diagram of another preferred embodiment of the camera system with MIPI interface output provided by the present invention, wherein the specific position and the device size can be flexibly adjusted according to different practical implementation schemes.

The utility model provides a camera system of MIPI interface output's theory of operation as follows:

when image conversion and output are carried out in the system, image data of the image processing chip can be transmitted to a rear-end chip through the MIPI interface in the data formats of YUV444, YUV422 and YUV420 through the BT1120/BT656MIPI chip, so that more real image details are reserved, the time required by coding is shortened, and the problems of image quality optimization and image transmission delay are solved well.

by arranging the BT1120/BT656MIPI chip, when image conversion processing is carried out in the system, image data of the image processing chip can be transmitted to a rear-end chip through an MIPI CSI interface in a YUV data format, so that MIPI CSI interface output is realized, more real image details are reserved, the time required by coding is reduced, and the problems of image quality and image transmission delay are well optimized.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a camera system of MIPI interface output which constitutes the device characterized in that includes:

the Sensor image Sensor, the image processing chip, the BT1120/BT656MIPI chip, the power supply unit, the storage chip, the capacitance resistance and the connector;

2. The camera system of the MIPI interface output of claim 1, wherein BT1120/BT656 is configured to convert the data format of the MIPI chip output, including: YUV444, YUV422, YUV 420.

3. The camera system of the MIPI interface output of claim 1, wherein BT1120/BT656 converts the signal format of the MIPI chip output, comprising: MIPIDSI, one of MIPI CSI.

4. The camera system of the MIPI interface output according to claim 1, wherein the components thereof can be co-located on one PCB substrate or on a plurality of PCB substrates.