Binocular infrared surface expression capturing device

Abstract

The utility model relates to the field of film and television shooting, in particular to a binocular infrared surface expression capturing device. The device comprises a lens module, a main board, a display screen and a shell, the lens module is installed on the front face of the shell, the display screen is installed on the shell, the lens module and the display screen are electrically connected with the main board, the main board is arranged in the shell, and further, the main board is composed of a data acquisition board, a control board and an interface board. Two global exposure CMOS sensors are mounted on the data acquisition board, an included angle is formed between the two global exposure CMOS sensors, and each CMOS sensor is provided with a lens module. The product has the advantages of small image distortion, high data transmission rate, good synchronism of video frames and audio frames, lower heating and power consumption and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of movie and television camera, concretely is a binocular infrared facial expression capture device. BACKGROUND

[0002] The binocular camera lens of prior art is installed horizontally, all are 850nM infrared cameras, most of the lens is fixed focus and manual focusing, and the picture and data are prone to abnormal data caused by environmental light and installation environment jitter, and the data collection process is complicated.

[0003] (1) the binocular camera parallel installation has a dead angle, and the late video splicing processing is difficult;

[0004] (2) the camera focal length is fixed, and there is a full loss of focus in dynamic shooting;

[0005] (3) when the head is greatly moved, the picture is not fully captured;

[0006] (4) the parameters of the camera cannot be adjusted in time;

[0007] (5) manual focusing, operation is complicated;

[0008] (6) poor anti-environmental light interference. INVENTION CONTENT

[0009] (I) technical problem solved

[0010] In view of the deficiencies of the prior art, the utility model provides a binocular infrared facial expression capture device, image distortion is small, and the integration degree is high.

[0011] (II) technical scheme

[0012] A binocular infrared facial expression capture device, including lens module, mainboard, display screen and shell, the front of the shell installs lens module, and the display screen is installed on the shell, and the lens module and the display screen are electrically connected with the mainboard respectively, and the mainboard is arranged in the shell, further, the mainboard is composed of data acquisition board, control board and interface board, two global exposure CMOS sensors are installed on the data acquisition board, and the two global exposure CMOS sensors form an angle with each other, and each CMOS sensor is provided with a lens module.

[0013] As preferred, the two CMOS sensors are arranged at an angle of 120 °.

[0014] As preferred, the CMOS sensor is a 940nM global exposure CMOS sensor.

[0015] As preferred, the mainboard is provided with 940nM infrared LED backlight compensation on both sides.

[0016] As preferred, the infrared soft light sheet and the copper column are also included, the infrared soft light sheet and the lens module are mounted on the data acquisition board, and the control board is fixed on the shell through the copper column and the data acquisition board.

[0017] As preferred, the shell is composed of a shell and a cover thereof.

[0018] As preferred, the display screen is a touch display screen, and the front and rear shells are mounted on the front and rear of the touch display screen, and the display screen is connected with the data acquisition board.

[0019] As preferred, the support and the pan-tilt motor are also included, the support and the pan-tilt motor are mounted on the bottom of the shell, and the pan-tilt motor is electrically connected with the control board.

[0020] As preferred, the interface board is provided with a USB interface, an HDIMI interface, a network port and an antenna.

[0021] As preferred, the display screen is rotatably connected and mounted on the shell.

[0022] (Three) beneficial effects

[0023] Compared with the prior art, the utility model provides a novel binocular infrared facial expression capture device, and the product has the following advantages: 1, small image distortion; 2, high data transmission rate; 3, good video frame and audio frame synchronization; 4, strong anti-environmental light interference; 5, automatic focusing, convenient to use; 6, one master and multiple slaves, can obtain expression data simultaneously by multiple devices; 7, artificial workload is reduced significantly; 8, lower heat and power consumption. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the product;

[0025] Figure 2 It is an explosion view of Figure 1

[0026] Figure 3 It is a principle view of the control board of the product;

[0027] Figure 4 It is a principle view of the data acquisition board of the product.

[0028] Label explanation: 1 antenna, 2 lens module, 3 shell, 4 cover, 5 rear shell, 6 display screen, 7 front shell, 8 infrared soft light sheet, 9 copper column, 10 USB interface, 11 HDIMI interface, 12 network port, 13 pan-tilt motor, 14 data acquisition board, 15 control board, 16 interface board, 17 support, infrared LED backlight compensation 18. DETAILED DESCRIPTION

[0029] ​The utility model makes further detailed description below combining with the drawings, identical parts use same reference mark, need explaining, the words "front", "back", "left", "right", "up" and "down", "bottom surface" and "top surface" in following description refer to the direction in the drawing, the words "inner" and "outer" refer to the direction of respectively towards or away from the geometry center of specific component.

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0031] Design concept: replace the original image transmission module, increase the environment light collection and lens focal length control and holder control.

[0032] Embodiment one:

[0033] As Figures 1-4 Indicated, the utility model provides technical scheme is a kind of binocular infrared facial expression capture device, including lens module 2, mainboard, display screen 6 and shell, shell is composed of shell 3 and its upper cover 4, the front of shell installs lens module 2, display screen 6 is rotatably connected and installed on shell, lens module 2 and display screen 6 are electrically connected with mainboard respectively, mainboard is located in shell, further, mainboard is respectively composed of data acquisition board 14, control board 15 and interface board 16, two global exposure CMOS sensors are installed on data acquisition board 14, and mutually form angle, and each CMOS sensor is equipped with lens module 2;Interface board 16 is equipped with USB interface 10, HDIMI interface 11, network port 12 and antenna 1 respectively installed.

[0034] Two CMOS sensors (i.e. Figure 4 CCD1, CCD2 in this embodiment) are arranged mutually 120 ° angle, and CMOS sensor is 940nM global exposure CMOS sensor, and 940nM infrared LED back light compensation 18 is equipped on the two sides of mainboard.

[0035] This embodiment also includes infrared soft light sheet 8 and copper column 9, and infrared soft light sheet 8, lens module 2 are installed on data acquisition board 14, and control board 15 is fixed on shell by copper column 9 and data acquisition board 14.

[0036] The display screen 6 of the embodiment is a touch display screen, and the touch display screen is installed by being covered by the front shell 7 and the rear shell 5. The display screen 6 is connected with the data acquisition board 14. Further, the embodiment also comprises a support 17 and a holder motor 13. The support 17 and the holder motor 13 are installed at the bottom of the shell. The holder motor 13 is electrically connected with the control board 15.

[0037] Assembly relationship: the lens module 2 is installed on the data acquisition board 14. The infrared soft light sheet 8 is attached to the data acquisition board 14. The control board 15 is fixed on the shell 3 through the copper column 9 and the data acquisition board 14, and then fixed by the upper cover 4. The touch display screen, the front shell 7 and the rear shell 5 constitute a display body, which is connected with the data acquisition board 14 through a wire. The support 17 and the holder motor 13 are connected and fixed on the threaded holes at the bottom of the shell 3.

[0038] Working principle of the product:

[0039] The data acquisition board 14 of the product is installed with two 940nM global exposure CMOS sensors (i.e. CCD1 and CCD2 in Figure 4 ), which are arranged at an angle of 120°. The main board is provided with 940nM infrared LED backlight compensation 18 on both sides. The two CMOS sensors are provided with a lens module 2. The lens module 2 is provided with a step motor and an infrared filter. The lens diameter is 12mm. The control board 15 can directly drive the step motor of the lens module 2 and the holder motor 13 to adjust the focus and the picture tracking.

[0040] The video signal is directly sent to the control board 15 through the data acquisition board 14. According to the current ambient light, the time code, the adjustment of the backlight compensation, the adjustment of the lens focal length and the CMOS exposure value, etc. Finally, the star flash module on the interface board 16 is sent to the receiver. The real-time video can be viewed on the display screen 6. The real-time parameter information and data can be viewed on the computer through the USB port or the network port 12 on the interface board 16.

[0041] The product does not involve the improvement of the data acquisition board 14, the control board 15 and the interface board 16 itself, so it is not described in detail. Some principle structures are shown in Figure 3 、 Figure 4 .

[0042] Technical problems solved by the product:

[0043] (1) The problem of image dead angle is solved, such as the position of the temple of the face, the chin and the neck. When the two CMOSs are horizontally placed, the problem cannot be solved. When the CMOSs are at an angle of 120°, the problem can be effectively solved by the software image splicing algorithm.

[0044] (2) Auto focus, because of the focus lens on the lens motor, size and weight have increased, not conducive to install on the helmet use, but in the fixed position shooting when there is no weight limit.

[0045] (3) Image, sound delay, 5.8G modulation star flash communication, there is obvious promotion in delay and communication distance, but it is very difficult to achieve 10uS delay, so the software needs to be optimized for data packet sending.

[0046] (4) Anti environmental light interference, although CMOS increases the high efficiency filter and high power infrared compensation backlight, noise can be eliminated, but the infrared refraction light on the surface of the object will also form a spot. So in the device material and compensation interval and intensity should be handled.

[0047] (5) The mainboard adopts three-layer structure, which is convenient for installation and maintenance, and is beneficial to heat dissipation.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A binocular infrared facial expression capture device, comprising a lens module, a mainboard, a display screen and a shell, the lens module is installed on the front of the shell, the display screen is installed on the shell, the lens module and the display screen are electrically connected with the mainboard respectively, and the mainboard is arranged in the shell, characterized in that: The main board is composed of a data acquisition board, a control board and an interface board, two global exposure CMOS sensors are installed on the data acquisition board and are mutually arranged at an included angle, and each CMOS sensor is provided with a lens module. ​ 2. The dual-vision infrared facial expression capture device of claim 1, wherein: The two CMOS sensors are arranged at an included angle of 120°.

3. The dual-vision infrared facial expression capture device of claim 1 or 2, wherein: The CMOS sensor is a 940nM global exposure CMOS sensor.

4. The dual-vision infrared facial expression capture device of claim 1, wherein: The main board is provided with 940nM infrared LED backlight compensation on both sides.

5. The dual-vision infrared facial expression capture device of claim 1, wherein: An infrared soft light sheet and a copper column are further included, the infrared soft light sheet and the lens module are installed on the data acquisition board, and the control board is fixed on the shell through the copper column and the data acquisition board.

6. The dual-vision infrared facial expression capture device of claim 1, wherein: The shell is composed of an outer shell and a cover thereof.

7. The binocular infrared facial expression capture device of claim 1, wherein: The display screen is a touch display screen, the touch display screen is installed by being covered by a front shell and a rear shell, and the display screen is connected with the data acquisition board.

8. The dual-vision infrared facial expression capture device of claim 1, wherein: A support and a holder motor are further included, the support and the holder motor are installed at the bottom of the shell, and the holder motor is electrically connected with the control board.

9. The dual-vision infrared facial expression capture device of claim 1, wherein: The interface board is provided with a USB interface, an HDIMI interface, a network port and an antenna.

10. The dual-vision infrared facial expression capture device of claim 1, wherein: The display screen is rotatably connected and installed on the shell.

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