CN216979800U - Image acquisition equipment - Google Patents
Image acquisition equipment Download PDFInfo
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- CN216979800U CN216979800U CN202122496824.0U CN202122496824U CN216979800U CN 216979800 U CN216979800 U CN 216979800U CN 202122496824 U CN202122496824 U CN 202122496824U CN 216979800 U CN216979800 U CN 216979800U
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Abstract
The embodiment of the utility model relates to the technical field of image acquisition and discloses image acquisition equipment. In the present invention, an image capturing apparatus includes: the system comprises an image processing board card, and an infrared light supplement lamp, a speckle projector, an infrared camera and a color camera which are arranged on the image processing board card; the infrared light supplement lamp is used for emitting infrared floodlight to the body of a person to be tested; the speckle projector is used for emitting 3D structured light to a person to be measured; the infrared camera is used for shooting infrared light reflected by a person to be measured and emitted by the person to be measured and 3D structured light to obtain an infrared image and a speckle pattern of a human body; the color camera is used for shooting visible light reflected by a person to be measured to obtain a two-dimensional color image of the human body; the image processing board card is used for simultaneously filtering and correcting the speckle pattern according to the two-dimensional color image and the infrared image so as to obtain human body three-dimensional image data. The image acquisition equipment provided by the utility model can acquire more comprehensive human body data, is convenient for subsequent identity authentication, and improves the security level.
Description
Technical Field
The embodiment of the utility model relates to the technical field of image acquisition, in particular to image acquisition equipment.
Background
Currently, with the development of sensing technology, more and more fields start to apply image sensing technology, for example, face recognition technology for identity authentication and the like.
The inventor finds that the human body data acquired by the image acquisition device is not comprehensive, and finally the reliability of identity authentication is influenced, so that the safety is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide image acquisition equipment which can acquire more comprehensive human body data, is convenient for identity authentication in the follow-up process and improves the security level.
In order to solve the above technical problem, an embodiment of the present invention provides an image capturing apparatus, including: the system comprises an infrared light supplement lamp, a speckle projector, an infrared camera, a color camera and an image processing board card; the infrared light supplement lamp, the speckle projector, the infrared camera and the color camera are all arranged on the image processing board card; the infrared light supplement lamp is used for emitting infrared floodlight to a person to be detected; the speckle projector is used for emitting 3D structured light to a person to be measured; the infrared camera is used for shooting infrared light and 3D structured light reflected by a person to be detected and emitted by the person to be detected to obtain an infrared image and a speckle pattern of a human body; the color camera is used for shooting visible light reflected by a person to be measured to obtain a two-dimensional color image of the human body; the image processing board card is used for simultaneously filtering and correcting the speckle pattern according to the two-dimensional color image and the infrared image so as to obtain human body three-dimensional image data.
Compared with the prior art, the embodiment of the utility model has the advantages that the image acquisition equipment comprises: the system comprises an infrared light supplement lamp, a speckle projector, an infrared camera, a color camera and an image processing board card, wherein the infrared camera, the color camera, the speckle projector and the infrared light supplement lamp are arranged on the image processing board card, the infrared light supplement lamp is used for emitting infrared floodlight to a person to be detected (such as a human face), the speckle projector is used for emitting 3D structure light to the person to be detected, the infrared camera is used for shooting the infrared light and the 3D structure light reflected by the person to be detected and emitted by the person to be detected to obtain an infrared image and a speckle pattern of the human body, the color camera is used for shooting visible light reflected by the person to be detected to obtain a two-dimensional color image of the human body, the two-dimensional color image and the infrared image are used for simultaneously filtering and correcting the speckle pattern, and three-dimensional image data of the human body are obtained after the image processing board card is used for collecting the two-dimensional color image, the infrared image, the speckle pattern, the color image, the infrared image and the speckle pattern of the person to be detected, The three-dimensional image data is used for acquiring more comprehensive human body data (such as human face data), so that subsequent identity authentication (such as human face identification) is facilitated, and the security level is improved; the color image and the infrared image are auxiliary information sources obtained by three-dimensional image data, and the method is mainly used for improving the quality of the three-dimensional human body image data.
In addition, still be provided with distance sensor on the image processing integrated circuit board, distance sensor is used for detecting the distance between people's face and the distance sensor. The distance between the human face and the distance sensor is acquired by the distance sensor, so that other components in the image acquisition equipment can be automatically controlled, and the safety and the automation degree are improved.
In addition, the distance sensor is electrically connected with at least one of the infrared camera and the color camera. So set up, be convenient for when the people face is too far away or too near apart from image acquisition equipment, can close infrared camera and/or color camera, avoided gathering the not good data of image quality, reduced the required computing power of follow-up data processing, reduced image acquisition equipment's energy consumption simultaneously.
In addition, the distance sensor is electrically connected with the infrared camera through a first switch, and the distance sensor is electrically connected with the color camera through a second switch.
In addition, still be provided with loudspeaker on the image processing integrated circuit board, loudspeaker with distance sensor electric connection. So set up, be convenient for when the face is too far away or too near from image acquisition equipment, send the early warning through loudspeaker, remind the personnel that await measuring to reach suitable distance and discern, improved the accuracy of the data of gathering, simultaneously, when having avoided the face to be too near from image acquisition equipment, the 3D structured light of speckle projector transmission led to the fact the damage to the people's eye.
In addition, the infrared camera, the color camera, the speckle projector and the infrared light filling lamp are arranged side by side, and the infrared light filling lamp and the color camera are located between the speckle projector and the infrared camera. So set up, avoided the speckle projector to cause the influence to infrared camera's formation of image, improved infrared camera's imaging quality.
In addition, the image processing board card is also provided with at least two white light supplement lamps; at least one of the at least two white light supplement lamps is distributed on one side, far away from the infrared camera, of the speckle projector, and at least one of the at least two white light supplement lamps is distributed on one side, far away from the speckle projector, of the infrared camera. White light filling lamp is used for carrying out the white light filling when gathering ambient light not enough, through all carrying out the light filling in both sides for staff that awaits measuring light everywhere is more even, has improved color camera's imaging quality.
In addition, the image processing board card is also provided with an HDMI port, a USB interface, a WAN port and a power supply port. According to the arrangement, the HDMI port can be used as a follow-up external expansion screen and other devices, the USB port is used as a follow-up expansion interface, the WAN port can deal with scenes and needs to be used in a private network (public security network), the power supply port can supply power for the devices, and the universality of the image acquisition device is improved.
In addition, a memory is also arranged on the image processing board card. The memory can be used for storing the image information processed by the image processing board card, and the integration of acquisition and storage of image data is realized.
In addition, the device also comprises an upper cover with an accommodating space and a lower cover which is covered with the upper cover, wherein the upper cover and the lower cover are made of aluminum alloy materials. So set up, can play inside device fixed mounting, radiating effect.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram of a connection relationship of an image capturing device according to the present invention;
fig. 2 is a schematic structural diagram of an image acquisition device provided by the utility model.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to an image capturing apparatus, as shown in fig. 1 and 2, including: the system comprises an infrared camera 11 for shooting infrared images, a color camera 12 for shooting color images, a speckle projector 13 for emitting 3D structured light, an infrared fill-in light lamp 14 for emitting infrared floodlight, and an image processing board card 15 for processing and analyzing collected image information, wherein the infrared camera 11, the color camera 12, the speckle projector 13 and the infrared fill-in light lamp 14 are all arranged on the image processing board card 15.
The method comprises the steps that an infrared floodlight is emitted to a person to be detected (such as a human face) by an infrared light supplement lamp 14, a speckle projector 13 is used for emitting a 3D structure light to the person to be detected, an infrared camera 11 is used for shooting the infrared light reflected by the person to be detected and the 3D structure light emitted by the person to be detected to obtain an infrared image and a speckle pattern of a human body, a color camera 12 is used for shooting a visible light reflected by the person to be detected to obtain a two-dimensional color image of the human body, the speckle pattern is filtered and corrected simultaneously through the two-dimensional color image and the infrared image, and three-dimensional image data of the human body are obtained after the image processing board card processing, so that the two-dimensional color image, the infrared image and the three-dimensional image data of the person to be detected can be collected, more comprehensive human body data (such as human face data) can be obtained, the subsequent identity authentication (such as human face recognition) can be conveniently carried out, and the safety level is improved; the color image and the infrared image are auxiliary information sources obtained by three-dimensional image data, and are mainly used for improving the quality of the three-dimensional human body image data, the auxiliary reference weight of the two-dimensional color image is obviously improved in a strong light environment, and the auxiliary reference weight of the infrared image is obviously improved in a weak light environment.
Optionally, the image processing board 15 may further be provided with a distance sensor 16, the distance sensor 16 is configured to detect a distance between a human face and the distance sensor 16, and the distance between the human face and the distance sensor 16 is acquired by using the distance sensor 16, so as to automatically control other components in the image acquisition device, thereby improving the security and the automation degree.
Specifically, the distance sensor 16 may be electrically connected to at least one of the infrared camera 11 and the color camera 12, and is configured so that when the face is too far away from or too close to the image capture device, the infrared camera 11 and/or the color camera 12 can be automatically turned off, thereby avoiding collecting data with poor image quality, reducing computational effort required for subsequent data processing, and simultaneously reducing energy consumption of the image capture device, and simultaneously, when the face is within a reasonable distance range (i.e., a preset distance range) of the image capture device, the infrared camera 11 and/or the color camera 12 is turned on to capture an infrared image and/or a color image.
Further, the distance sensor 16 and the infrared camera 11 may be electrically connected via a first switch (not shown), the distance sensor 16 and the color camera 12 may be electrically connected via a second switch (not shown), the distance sensor 16 controls the infrared camera 11 to be turned on and off via the first switch, and the distance sensor 16 controls the color camera 12 to be turned on and off via the second switch.
In practical application, the image processing board 15 may further be provided with a speaker 17, and the speaker 17 is electrically connected to the distance sensor 16. So set up, be convenient for when the people face is too far away or too near from image acquisition equipment, send the early warning through loudspeaker 17, remind the personnel that await measuring to reach suitable distance and discern, improved the accuracy of the data of gathering, simultaneously, avoided the people face to cause the damage to the people's eye apart from image acquisition equipment when too near, the 3D structure light of speckle projector 13 transmission.
Optionally, the distance sensor 16 may be further electrically connected to the speckle projector 13, and specifically, the distance sensor 16 and the speckle projector 13 may be electrically connected via a third switch (not shown), so that when the face is too close to the image collecting device, the speckle projector 13 can be automatically turned off, and the 3D structured light emitted by the speckle projector 13 is prevented from damaging the eye of the person.
In this embodiment, infrared camera 11, color camera 12, speckle projector 13 and infrared light filling lamp 14 can set up side by side, and infrared light filling lamp 14 and color camera 12 are located between speckle projector 13 and the infrared camera 11, so set up, have avoided speckle projector 13 to cause the influence to infrared camera 11's formation of image, have improved infrared camera 11's imaging quality.
In order to adapt to different application environments of the image acquisition equipment, at least two white light supplement lamps 18 can be further arranged on the image processing board card 15, at least one of the at least two white light supplement lamps 18 is distributed on one side, away from the infrared camera 11, of the speckle projector 13, at least one of the at least two white light supplement lamps 18 is distributed on one side, away from the speckle projector 13, of the infrared camera 11, the white light supplement lamps 18 are used for supplementing white light when insufficient ambient light is collected, light supplement is performed on two sides, light of people to be detected is more uniform, and imaging quality of the color camera 12 is improved.
In this embodiment, the image processing board card 15 may further be provided with an HDMI port, a USB interface, a WAN network port, and a power port, where the HDMI port may be used as a subsequent external expansion screen, the USB interface may be used as a subsequent expansion interface, the WAN network port may deal with the use of a private network (public security network) that needs to be taken away in some scenes, and the power port may supply power to the device for use, thereby improving the universality of the image acquisition device.
Optionally, a memory (not shown) may be further disposed on the image processing board card 15, the memory may be used to store image information processed by the image processing board card 15, so as to realize integration of acquisition and storage of image data, and in practical application, the stored data may be uploaded and stored through an external network interface.
Specifically, the image acquisition equipment can further comprise an upper cover 19 with an accommodating space and a lower cover 20 covered with the upper cover 19, the upper cover 19 and the lower cover 20 are made of aluminum alloy materials, so that the effects of fixing and mounting internal devices and dissipating heat can be achieved, and further, the surfaces of the upper cover 19 and/or the lower cover 20 can adopt an outer surface anodic oxidation process, and the image acquisition equipment is attractive and simple.
In practical applications, the image processing board 15 may further include a power supply (not shown) and a switch 21, and the switch 21 may be used to turn on or off the power supply of the device.
Compared with the prior art, the embodiment of the utility model can acquire the two-dimensional data, the three-dimensional data, the heat source data and the color data of the person to be detected, and facilitates the subsequent identity authentication (for example, face identification) by acquiring more comprehensive human body data (for example, face data), thereby improving the security level; meanwhile, the infrared camera 11, the color camera 12, the speckle projector 13 and the infrared light supplement lamp 14 are integrated into a whole, so that the product is light in weight, small in size and convenient to carry. The image acquisition equipment provided by the embodiment of the utility model can be suitable for places such as public security organs and the like, and has the advantages of high safety, portability, convenience in carrying and simplicity in installation and debugging.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.
Claims (7)
1. An image acquisition apparatus, characterized by comprising: the system comprises an infrared light supplement lamp, a speckle projector, an infrared camera, a color camera and an image processing board card;
the infrared light supplement lamp, the speckle projector, the infrared camera and the color camera are all arranged on the image processing board card;
the infrared light supplement lamp is used for emitting infrared floodlight to a person to be detected;
the speckle projector is used for emitting 3D structured light to a person to be measured;
the infrared camera is used for shooting infrared light and 3D structured light reflected by a person to be detected and emitted by the person to be detected to obtain an infrared image and a speckle pattern of a human body;
the color camera is used for shooting visible light reflected by a person to be measured to obtain a two-dimensional color image of the human body;
the image processing board card is used for simultaneously filtering and correcting the speckle pattern according to the two-dimensional color image and the infrared image to obtain three-dimensional image data of the human body;
the image processing board card is also provided with a distance sensor, and the distance sensor is used for detecting the distance between the human face and the distance sensor;
the distance sensor and the infrared camera are electrically connected through a first switch, and/or the distance sensor and the color camera are electrically connected through a second switch.
2. The image acquisition device of claim 1, wherein the image processing board card is further provided with a speaker, and the speaker is electrically connected to the distance sensor.
3. The image capturing device of claim 1, wherein the infrared camera, the color camera, the speckle projector, and the infrared fill light are arranged side-by-side, and the infrared fill light and the color camera are located between the speckle projector and the infrared camera.
4. The image acquisition device according to claim 3, wherein the image processing board card is further provided with at least two white light supplement lamps;
at least one of the at least two white light supplement lamps is distributed on one side, far away from the infrared camera, of the speckle projector, and at least one of the at least two white light supplement lamps is distributed on one side, far away from the speckle projector, of the infrared camera.
5. The image acquisition device of claim 1, wherein the image processing board card is further provided with an HDMI port, a USB interface, a WAN port, and a power port.
6. The image acquisition device according to claim 1, wherein the image processing board card is further provided with a memory.
7. The image acquisition device according to claim 1, further comprising an upper cover having an accommodating space and a lower cover covering the upper cover, wherein the upper cover and the lower cover are made of an aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496824.0U CN216979800U (en) | 2021-10-15 | 2021-10-15 | Image acquisition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122496824.0U CN216979800U (en) | 2021-10-15 | 2021-10-15 | Image acquisition equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216979800U true CN216979800U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122496824.0U Active CN216979800U (en) | 2021-10-15 | 2021-10-15 | Image acquisition equipment |
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| CN (1) | CN216979800U (en) |
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2021
- 2021-10-15 CN CN202122496824.0U patent/CN216979800U/en active Active
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