Multi-source visual fusion optical imaging device
Through the multi-source vision fusion optical imaging device, the collaborative work of multiple cameras and fill lights is utilized to solve the problems of environmental adaptability and night imaging quality of the optical imaging device, and achieve efficient depth information acquisition and image clarity improvement.
Patent Information
- Application Number
- CN202422567309.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing optical imaging devices cannot coordinate the shooting functions of visible light cameras and infrared cameras, cannot obtain depth information, have poor night imaging quality, lack distance measurement and environmental adaptability, and affect the shooting effect.
A multi-source vision fusion optical imaging device is designed, which includes a first infrared/visible light camera, a second infrared/visible light camera, a thermal imaging camera, a point laser ranging device, an infrared fill light, and an LED fill light. The imaging control unit enables the coordinated operation of multiple cameras to obtain depth information and improve the quality of night-time imaging.
It realizes the coordinated conversion of camera functions in different environments, obtains object depth information, improves night imaging quality, detects heat source objects, provides distance measurement and auxiliary positioning functions, and enhances image clarity.
Smart Images
Figure CN223322114U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic optical imaging equipment, and in particular provides a multi-source vision fusion optical imaging device. Background Art
[0002] Automatic optical imaging devices are used in monitoring, video shooting, etc. They do not require manual on-site operation, are easy to use, and have a broad market space.
[0003] Currently, common optical imaging devices primarily consist of visible light cameras and infrared cameras with separate start-stop functions, without coordinated shooting capabilities. During use, they are unable to obtain depth information about objects within their field of view, and automatic switching between visible light and infrared cameras is inconvenient. This results in poor nighttime image quality, impacting shooting quality. Furthermore, they lack features such as distance measurement, assisted positioning, and adjustable fill light for different environments, making it impossible to measure the distance between the object being photographed and the optical imaging device in real time. Utility Model Content
[0004] Based on this, the utility model provides a multi-source visual fusion optical imaging device to achieve coordination and function conversion between infrared shooting and visible light shooting functions of multiple cameras, obtain depth information of objects within the field of view, and effectively improve the quality of night shooting.
[0005] In order to achieve the above-mentioned objectives, the present invention provides a solution for a multi-source visual fusion optical imaging device: it includes a body, the body is provided with a global perception unit and an imaging control unit, the global perception unit includes a first infrared / visible light camera and a second infrared / visible light camera that are laterally symmetrically arranged at the front end of the body; the imaging control unit is controlled and connected to the first infrared / visible light camera and the second infrared / visible light camera, and is configured to control the first infrared / visible light camera and the second infrared / visible light camera to work together to obtain depth information of objects within the field of view.
[0006] Furthermore, the body is also provided with a local perception unit, including a point laser ranging device arranged at the front end of the body. The imaging control unit is controlled and connected to the point laser ranging device and is configured to control the point laser ranging device to obtain depth information of objects within a local range.
[0007] Furthermore, the body is also provided with a thermal imaging perception unit, including a thermal imaging camera centrally arranged between the first infrared / visible light camera and the second infrared / visible light camera. The imaging control unit is connected to the thermal imaging camera and is configured to control the first infrared / visible light camera, the second infrared / visible light camera and the thermal imaging camera to work together, and control the imaging camera to collect radiation thermal images within the field of view to detect heat source objects in the night environment.
[0008] Furthermore, the body is also provided with an image enhancement unit, including an infrared fill light and an LED fill light. The imaging control unit is connected to the infrared fill light and the LED fill light, and is configured to control the infrared fill light and the LED fill light to operate in a weak light environment to improve image clarity.
[0009] Furthermore, the infrared fill light includes at least two and is arranged in a horizontal array in the middle of the front top of the body, and the LED fill light includes at least two and is respectively arranged on the outside of the infrared fill light, and the infrared fill light and the LED fill light are of the same height.
[0010] Furthermore, the body is also provided with an auxiliary positioning unit, including at least one laser rangefinder arranged at the front end of the body, and the imaging control unit is controlled and connected to the laser rangefinder and is configured to control the laser rangefinder to assist in positioning and measure angles or distances.
[0011] Furthermore, the laser rangefinder includes a point laser and a cross laser arranged at the front end of the body, and the imaging control unit is respectively controlled and connected to the point laser and the cross laser, and is configured to control the point laser for auxiliary positioning and control the cross laser to measure the angle of the angled surface.
[0012] Furthermore, the first infrared / visible light camera and the second infrared / visible light camera are respectively provided with an infrared working mode and a visible light working mode, and the imaging control unit is configured to control the first infrared / visible light camera and the second infrared / visible light camera to switch the working mode so as to collect images in a night environment and a well-lit environment, respectively: in a night environment, the first infrared / visible light camera and the second infrared / visible light camera are controlled to switch to the infrared working mode; in a well-lit environment, the first infrared / visible light camera and the second infrared / visible light camera are controlled to switch to the visible light working mode.
[0013] Furthermore, the imaging control unit is disposed in the body, including but not limited to a single chip microcomputer, a microcomputer or an artificial intelligence controller.
[0014] The beneficial effects of the multi-source visual fusion optical imaging device provided by the utility model are mainly:
[0015] 1. A first infrared / visible light camera and a second infrared / visible light camera are provided. The imaging control unit controls the coordinated operation of the first infrared / visible light camera and the second infrared / visible light camera, achieving coordination and functional conversion between infrared and visible light shooting functions of the two cameras. The two cameras can combine to obtain depth information of objects within the field of view, thereby improving nighttime imaging effects.
[0016] 2. The infrared mode is mainly used for image acquisition in night environments, while the visible light mode is mainly used for image acquisition in environments with sufficient lighting conditions, with high clarity. The fusion of infrared / visible light cameras and thermal imaging cameras has a significant effect on detecting heat source objects in night environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
[0018] Figure 1 is a schematic structural diagram of an embodiment of the provided multi-source vision fusion optical imaging device;
[0019] Figure 2 It is a block diagram of the control system structure of the provided multi-source vision fusion optical imaging device embodiment.
[0020] Description of the accompanying drawings:
[0021] 1- body;
[0022] 21-first infrared / visible light camera, 22-second infrared / visible light camera;
[0023] 3-point laser ranging device;
[0024] 4- Thermal imaging camera;
[0025] 51-infrared fill light, 52-LED fill light;
[0026] 61-point laser, 62-cross laser;
[0027] 7- Imaging control unit. DETAILED DESCRIPTION
[0028] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure, its application, or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make this disclosure thorough and complete and to fully convey the scope of this disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, and the composition of materials described in these embodiments are merely exemplary and not intended to be limiting.
[0029] like Figure 1 and Figure 2As shown, the present invention provides a multi-source visual fusion optical imaging device. A global perception unit, mounted on a body 1, includes a first infrared / visible light camera 21 and a second infrared / visible light camera 22, both laterally symmetrically positioned at the front center of the body 1. An imaging control unit 7 is controllably connected to the first infrared / visible light camera 21 and the second infrared / visible light camera 22, configured to control the coordinated operation of the first infrared / visible light camera 21 and the second infrared / visible light camera 22 to acquire depth information of objects within the field of view. The imaging control unit 7 is mounted within the body and may include, but is not limited to, a single-chip microcomputer, a microcomputer, or an artificial intelligence controller.
[0030] During the implementation process, the first infrared / visible light camera and the second infrared / visible light camera are used to measure the depth information of objects within the field of view, perform binocular three-dimensional reconstruction, and achieve global perception. The first infrared / visible light camera 21 and the second infrared / visible light camera 22 are respectively set to an infrared working mode and a visible light working mode. The imaging control unit 7 is configured to control the first infrared / visible light camera 21 and the second infrared / visible light camera 22 to switch working modes to collect images in a night environment and a well-lit environment respectively: in a night environment, the first infrared / visible light camera 21 and the second infrared / visible light camera 22 are controlled to switch to the infrared working mode; in a well-lit environment, the first infrared / visible light camera 21 and the second infrared / visible light camera 22 are controlled to switch to the visible light working mode.
[0031] The fusion of infrared / visible light cameras and thermal imaging cameras is highly effective for detecting heat sources in nighttime environments. Visible light mode is designed for capturing images in well-lit environments, providing high definition. Infrared mode is primarily for capturing images at night, using infrared fill light and LED lighting to enhance image clarity. The thermal imaging camera captures radiometric thermal images within its field of view, enabling detection of heat sources in the environment.
[0032] In some preferred embodiments, the body 1 is further provided with a local perception unit, including a point laser ranging device 3 arranged at the front end of the body 1. The imaging control unit 7 is controlled and connected to the point laser ranging device 3, and is configured to control the point laser ranging device 3 to obtain depth information of objects within a local range, thereby realizing the use of an array laser to measure the depth information of objects within a local range and perform local perception.
[0033] In some preferred embodiments, the body 1 is further provided with a thermal imaging sensing unit, including a thermal imaging camera 4 centrally arranged between the first infrared / visible light camera 21 and the second infrared / visible light camera 22. The imaging control unit 7 is connected to the thermal imaging camera 4 and is configured to control the first infrared / visible light camera 21, the second infrared / visible light camera 22 and the thermal imaging camera 4 to work together, and control the imaging camera to collect radiation thermal images within the field of view to detect heat source objects in the night environment.
[0034] In some preferred embodiments, the body 1 is further provided with an image enhancement unit, including an infrared fill light 51 and an LED fill light 52. The imaging control unit 7 is controllably connected to the infrared fill light 51 and the LED fill light 52 and is configured to control the infrared fill light 51 and the LED fill light 52 to operate in low-light environments to improve image clarity. The infrared fill light 51 includes at least two lights arranged in a horizontal array at the center of the top front end of the body 1. The LED fill light 52 includes at least two lights arranged on the outside of the infrared fill light 51, and the infrared fill light 51 and the LED fill light 52 are aligned in height.
[0035] In some preferred embodiments, the body 1 is further provided with an auxiliary positioning unit, including at least one laser rangefinder arranged at the front end of the body 1, and the imaging control unit 7 is controlled and connected to the laser rangefinder, and is configured to control the laser rangefinder to assist in positioning and measure angles or distances.
[0036] In some preferred embodiments, the laser rangefinder includes a point laser 61 and a cross laser 62 arranged at the front end of the body 1, and the imaging control unit 7 is controlled and connected to the point laser 61 and the cross laser 62 respectively, and is configured to control the point laser 61 to perform auxiliary positioning, and control the cross laser 62 to perform angle measurement of the angled surface, so as to realize the use of point laser and cross laser for auxiliary positioning and angle measurement of the angled surface.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A multi-source visual fusion optical imaging device, comprising a body (1), characterized in that: The machine body (1) is provided with: A global perception unit, comprising a first infrared / visible light camera (21) and a second infrared / visible light camera (22) which are laterally symmetrically arranged at the middle of the front end of the body (1); and An imaging control unit (7) is connected to the first infrared / visible light camera (21) and the second infrared / visible light camera (22) and is configured to control the first infrared / visible light camera (21) and the second infrared / visible light camera (22) to work in coordination to obtain depth information of an object within a field of view.
2. The multi-source visual fusion optical imaging device according to claim 1, characterized in that: The body (1) is further provided with a local sensing unit, comprising a point laser ranging device (3) provided at the front end of the body (1); the imaging control unit (7) is control-connected to the point laser ranging device (3) and is configured to control the point laser ranging device (3) to obtain depth information of an object within a local range.
3. The multi-source visual fusion optical imaging device according to claim 1, characterized in that: The body (1) is further provided with a thermal imaging sensing unit, comprising a thermal imaging camera (4) centrally arranged between the first infrared / visible light camera (21) and the second infrared / visible light camera (22); the imaging control unit (7) is connected to the thermal imaging camera (4) and is configured to control the first infrared / visible light camera (21), the second infrared / visible light camera (22) and the thermal imaging camera (4) to work in coordination, and to control the imaging camera to collect a radiation thermal image within a field of view, so as to detect a heat source object in a night environment.
4. The multi-source visual fusion optical imaging device according to claim 1, characterized in that: The body (1) is further provided with an image enhancement unit, comprising an infrared fill light (51) and an LED fill light (52). The imaging control unit (7) is connected to the infrared fill light (51) and the LED fill light (52) for control, and is configured to control the infrared fill light (51) and the LED fill light (52) to operate in a weak light environment, thereby improving image clarity.
5. The multi-source visual fusion optical imaging device according to claim 4, characterized in that: The infrared fill light (51) includes at least two and is arranged in a horizontal array in the middle of the top of the front end of the body (1); the LED fill light (52) includes at least two and is respectively arranged on the outside of the infrared fill light (51); the infrared fill light (51) and the LED fill light (52) are of the same height.
6. The multi-source visual fusion optical imaging device according to claim 1, characterized in that: The body (1) is further provided with an auxiliary positioning unit, comprising at least one laser rangefinder provided at the front end of the body (1); the imaging control unit (7) is connected to the laser rangefinder and is configured to control the laser rangefinder to assist in positioning and measure angles or distances.
7. The multi-source visual fusion optical imaging device according to claim 6, characterized in that: The laser rangefinder comprises a point laser (61) and a cross laser (62) arranged at the front end of the body (1); the imaging control unit (7) is respectively connected to the point laser (61) and the cross laser (62), and is configured to control the point laser (61) to perform auxiliary positioning and control the cross laser (62) to perform angle measurement of the angled surface.
8. The multi-source visual fusion optical imaging device according to claim 1 or 3, characterized in that: The first infrared / visible light camera (21) and the second infrared / visible light camera (22) are respectively provided with an infrared working mode and a visible light working mode, and the imaging control unit (7) is configured to control the first infrared / visible light camera (21) and the second infrared / visible light camera (22) to switch working modes so as to collect images in a night environment and a well-lit environment, respectively: in a night environment, the first infrared / visible light camera (21) and the second infrared / visible light camera (22) are controlled to switch to the infrared working mode; in a well-lit environment, the first infrared / visible light camera (21) and the second infrared / visible light camera (22) are controlled to switch to the visible light working mode.
9. The multi-source visual fusion optical imaging device according to claim 1, characterized in that: The imaging control unit (7) is arranged in the body (1), and includes but is not limited to a single chip microcomputer, a microcomputer or an artificial intelligence controller.