CN113691730A - Task switching control method and device for camera, medium and electronic equipment - Google Patents
Task switching control method and device for camera, medium and electronic equipment Download PDFInfo
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- CN113691730A CN113691730A CN202111029267.XA CN202111029267A CN113691730A CN 113691730 A CN113691730 A CN 113691730A CN 202111029267 A CN202111029267 A CN 202111029267A CN 113691730 A CN113691730 A CN 113691730A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The embodiment of the application discloses a task switching control method, a task switching control device, a task switching control medium and electronic equipment of a camera. The method is executed by a multi-view camera system, the multi-view camera system comprises a visible light mode lens and an infrared mode lens, the visible light mode lens comprises an optical filter switcher, the optical filter switcher is arranged in a visible light mode, the infrared mode lens comprises an optical filter switcher, and the optical filter switcher is arranged in an infrared mode. The method comprises the following steps: if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object; and switching the optical filter switcher of the object switched by the infrared mode lens into a visible light mode, and/or switching the optical filter switcher of the object switched by the visible light mode lens into an infrared mode. According to the technical scheme, the mode switching of the multi-view lens is adopted, the environment applicability of the multi-view camera system is enhanced, and the high-quality imaging effect is guaranteed.
Description
Technical Field
The embodiment of the application relates to the technical field of video shooting, in particular to a task switching control method, a task switching control device, a task switching control medium and electronic equipment for a camera.
Background
With the increasing demand for video shooting, more and more image pickup apparatuses adopt a binocular design. The binocular camera equipment is used for completing functions of image fusion, image recognition and the like. Common, such as binocular liveness detection cameras, binocular recognition cameras, and binocular fusion cameras.
In the prior art, a binocular camera device usually adopts a visible light lens and an infrared lens to shoot the same scene, and image information collected by the two types of lenses is fused. For example, the visible light camera system is used as an imaging part, and the infrared camera system is used as a living body detection part, so that the binocular living body identification function is met.
In practical application scenarios, there are many environmental influences, such as strong light reflection and diffuse reflection on the surface of an object. The infrared lens is often interfered by the external environment, which is likely to cause poor imaging quality.
Disclosure of Invention
The embodiment of the application provides a task switching control method and device for a camera, a medium and electronic equipment, which can enhance the environmental applicability of a multi-view camera system through multi-view lens mode switching, and have an environmental monitoring function, so that a high-quality imaging effect is guaranteed to the greatest extent.
In a first aspect, an embodiment of the present application provides a method for controlling task switching of a camera, where the method is performed by a multi-view camera system, the multi-view camera system includes a visible light mode lens and an infrared mode lens, the visible light mode lens includes a filter switch, the filter switch is placed in a visible light mode, the infrared mode lens includes a filter switch, and the filter switch is placed in an infrared mode, and the method includes:
if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object;
and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
In a second aspect, an embodiment of the present application provides a task switching control device for a camera, the device is configured in a multi-view camera system, the multi-view camera system includes a visible light mode lens and an infrared mode lens, the visible light mode lens includes a filter switch, and the filter switch is placed in a visible light mode, the infrared mode lens includes a filter switch, and the filter switch is placed in an infrared mode, the device includes:
the switching object determining module is used for determining an infrared mode lens switching object and/or a visible light mode lens switching object if the infrared image acquired by the infrared mode lens meets the switching triggering condition;
and the optical filter switcher mode switching module is used for switching the optical filter switcher of the infrared mode lens switching object into a visible light mode and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
In a third aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a task switching control method for a camera according to an embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides an electronic device, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements a task switching control method for a camera according to an embodiment of the present application when executing the computer program.
According to the technical scheme provided by the embodiment of the application, an infrared mode lens switching object and/or a visible light mode lens switching object are/is determined by recognizing that an infrared image acquired by an infrared mode lens meets a switching triggering condition; and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode. By switching the mode of the multi-view lens, the environment applicability of the multi-view camera system can be enhanced, and meanwhile, the high-quality imaging effect is guaranteed to the greatest extent.
Drawings
Fig. 1 is a flowchart of a task switching control method of a camera according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an optical system provided in an embodiment of the present application;
fig. 3 is a flowchart of a task switching control method for a camera according to a second embodiment of the present application;
fig. 4 is an external view schematic diagram of a binocular camera system provided in an embodiment of the present application;
FIG. 5 is a flowchart illustrating an overexposure detection and processing method according to a second embodiment of the present application;
fig. 6 is a flowchart of a task switching control method for a camera according to a third embodiment of the present application;
fig. 7 is a flowchart of a power-on self-test of a binocular camera system according to a third embodiment of the present application;
fig. 8 is a schematic structural diagram of a task switching control device of a camera according to a fourth embodiment of the present application;
fig. 9 is a schematic structural diagram of an electronic device according to a sixth embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example one
Fig. 1 is a flowchart of a task switching control method for a camera according to an embodiment of the present disclosure, where the present embodiment is applicable to any multi-view imaging scenario, and the method may be executed by a task switching control apparatus for a camera according to an embodiment of the present disclosure, where the apparatus may be implemented by software and/or hardware, and may be integrated in an electronic device.
As shown in fig. 1, the task switching control method of the camera includes:
and S110, if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object.
The scheme can be executed by a multi-view camera system, wherein the multi-view camera system comprises a visible light mode lens and an infrared mode lens, the visible light mode lens comprises an optical filter switcher, the optical filter switcher is arranged in a visible light mode, the infrared mode lens comprises an optical filter switcher, and the optical filter switcher is arranged in an infrared mode. The filter switch may include two switching modes, i.e., a visible light mode and an infrared mode. The visible light mode refers to a mode in which visible light can pass through, and the infrared mode refers to a mode in which visible light cannot pass through and infrared light can pass through. The filter switcher can be composed of a visible light transmission control sheet, an infrared light transmission control sheet and a control chip. Wherein, the control chip can control two through light piece switches.
Fig. 2 is a schematic structural diagram of an optical system provided in an embodiment of the present application, where the optical system may include a lens, a filter, a sensor, and a controller. The lens may include a lens that transmits light for imaging. The optical filter can be used for filtering light and adjusting incident light. The sensor may convert the optical signals to electrical signals and the electrical signals to digital signals for generating an image. The filter switcher may be a controller for controlling the operation mode of the filter, and may be, for example, a single chip microcomputer, a programmable logic device, or the like. In addition, in order to provide a good external environment for the imaging of the multi-view camera system, for example, shooting at night or shooting in a tunnel or other dark environment, a light supplement lamp can be configured in the multi-view camera system.
The infrared mode lens and the visible light mode lens of the multi-view camera system can respectively collect infrared images and visible light images. The visible light image and the infrared image have the advantages respectively, the visible light has higher spatial resolution, can be a color image and contains abundant detail and texture information; the infrared image has a lower spatial resolution and may contain depth information and grayscale information. Because the resolution ratio of the infrared image is low and the infrared image is a gray image, when the quality or the content of the infrared image changes, compared with a visible light image, the detection and the comparison are convenient, and therefore the infrared image collected by the infrared mode lens is selected as a switching trigger condition.
In the scheme, the switching triggering condition can be that the infrared image quality does not meet the requirement, the infrared mode lens has a fault and cannot form an image, the shooting range of the infrared mode lens has errors, and the like. The multi-view camera system can evaluate the imaging quality according to the infrared image collected by the infrared mode lens, can detect whether the infrared mode lens normally images or not, and can judge whether the shooting range of the infrared mode lens is proper or not according to the scene displayed by the infrared image. When the multi-view camera system identifies that the infrared image acquired by the infrared mode lens meets the switching triggering condition, which infrared mode lens and/or visible light mode lens need to be switched can be determined. Taking a binocular camera system as an example, assuming that the switching triggering condition is that the infrared image collected by the infrared image lens has a deviation with an actual shooting range, at this time, the binocular camera system can select to switch the visible light mode lens into the infrared mode lens, and the shooting range is adjusted by switching the position of the infrared mode lens.
In this scheme, optionally, it suffices whether the infrared image of discerning infrared mode camera lens collection satisfies the switching trigger condition, include:
determining whether the infrared image has an overexposure phenomenon;
and if the overexposure phenomenon does not disappear within the preset time, determining that the infrared image acquired by the infrared mode lens meets the switching triggering condition.
Due to the influence of the infrared light supplement lamp, compared with a visible light mode lens, the infrared mode lens is more easily influenced by strong light in the imaging process, and an overexposure phenomenon occurs, wherein the overexposure phenomenon refers to overexposure, so that the imaging brightness is not clear, and an imaging target cannot be distinguished. The overexposure phenomenon can result in poor infrared imaging quality, resulting in image information loss.
The multi-view camera system can analyze and evaluate the infrared image according to the infrared image acquired by the infrared mode lens, for example, can detect whether an overexposure point or an overexposure area exists in the infrared image. The multi-view camera system can also count the whole infrared image after detecting the overexposure point or the overexposure area of the infrared image, compare the statistical result with a preset threshold value, determine the overexposure degree of the infrared image, and determine whether the overexposure phenomenon exists according to the overexposure degree. For example, when the overexposure area on the infrared image is higher than 30% of the image area, the infrared image is considered to be overexposed seriously, and the multi-view camera system can consider that the current infrared image has the overexposure phenomenon.
The multi-view camera system can judge whether the infrared image has the overexposure phenomenon or not according to the image, and whether the overexposure phenomenon disappears within the preset time length or not. For example, the multi-view camera system detects that an infrared image has an overexposure phenomenon at a certain moment, and starts timing at the moment, if the overexposure phenomenon occurs in all the acquired infrared images within a preset time length, which indicates that the acquisition of normal image data is influenced when the infrared intensity is too high in the shooting environment, the multi-view camera system can consider that the infrared image acquired by the infrared mode lens meets the switching triggering condition.
In addition, in a video monitoring scene, the multi-view camera system can also judge whether the infrared image has an overexposure phenomenon by detecting the number of video frames which are subjected to overexposure in a video within a period of time. For example, 60 frames of videos stored in a certain multi-view camera system within 2 seconds, wherein over exposure occurs in different degrees for 30 frames or more, and the multi-view camera system may consider that the infrared image acquired by the infrared mode lens at this time satisfies the switching triggering condition.
In this embodiment, the multi-view camera system may exclude instantaneous interference, such as strong light caused by shaking, and determine that the infrared image acquired by the infrared mode lens satisfies the switching triggering condition when the infrared image has an overexposure phenomenon and the overexposure phenomenon continues to exist. Therefore, the scheme has strong anti-interference capability, can accurately detect and judge, and ensures the working stability of the system.
S120, switching the optical filter switcher of the object to be switched by the infrared mode lens to the visible light mode, and/or switching the optical filter switcher of the object to be switched by the visible light mode lens to the infrared mode.
When it is determined that the infrared image acquired by the infrared mode lens meets the switching triggering condition, the multi-view camera system can judge the reason why the infrared image does not meet the requirement by switching the optical filter switcher of the infrared mode lens switching object into the visible light mode and/or switching the optical filter switcher of the visible light mode lens switching object into the infrared mode. The visible mode may be that the current lens is a visible mode lens, and the infrared mode may be that the current lens is an infrared mode lens. Through the switching of the lens mode, the multi-view camera system can be used for checking the reason that the infrared image meets the switching triggering condition or solving the overexposure problem. For example, when binocular camera system installs in strong reflection of light environment such as wall, pole setting, if infrared mode camera lens one side is close to when strong reflection of light object such as wall or pole setting to the infrared image that infrared mode camera lens gathered appears overexposure phenomenon, binocular camera system can be through switching visible light mode camera lens and infrared mode camera lens position, makes infrared mode camera lens keep away from strong reflection of light object, avoids infrared interference, thereby guarantees high-quality imaging.
According to the technical scheme provided by the embodiment of the application, an infrared mode lens switching object and/or a visible light mode lens switching object are/is determined by recognizing that an infrared image acquired by an infrared mode lens meets a switching triggering condition; and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode. By switching the mode of the multi-view lens, the environment applicability of the multi-view camera system can be enhanced, and meanwhile, the high-quality imaging effect is guaranteed to the greatest extent.
Example two
Fig. 3 is a flowchart of a task switching control method for a camera according to a second embodiment of the present application, and the present embodiment is optimized based on the foregoing embodiment. On the basis of the original multi-view camera system, the multi-view camera system further comprises an infrared light supplement lamp which is arranged in the association area of the visible mode lens and the association area of the infrared mode lens.
As shown in fig. 3, the method of this embodiment specifically includes the following steps:
and S210, determining whether the infrared image has an overexposure phenomenon.
In this scheme, the multi-view camera system further includes an infrared fill light disposed in a region associated with the visible mode lens and a region associated with the infrared mode lens. The infrared light supplement lamp can be used for further judging the reason of the overexposure phenomenon. Fig. 4 is an appearance schematic diagram of the binocular camera system provided in the embodiment of the present application, and the binocular camera system is taken as an example, the infrared light supplement lamps may be arranged as shown in fig. 4, the group a infrared light supplement lamps are located in the association area of the lens a, and the group B infrared light supplement lamps are located in the association area of the lens B.
When the infrared mode lens is used for shooting, in order to adapt to various application scenes and realize a good imaging effect, the multi-view camera system can control the infrared light supplement lamp in the infrared mode lens correlation area to be turned on so as to supplement light. When the infrared light supplement lamp is turned on, the multi-view camera system can still judge whether the infrared image collected by the infrared mode lens has an overexposure phenomenon.
And S220, if an over-exposure phenomenon exists and does not disappear within a preset time, controlling an infrared light supplement lamp in a relevant area of the infrared mode lens to be turned off.
When the infrared image collected by the infrared mode lens has an overexposure phenomenon and the overexposure phenomenon does not disappear within the preset time, in order to further judge the reason of the overexposure phenomenon, the multi-view camera system can control the infrared light supplement lamp in the area associated with the infrared mode lens to be turned off and judge whether the overexposure is caused by the interference of environmental factors. For example, due to the irradiation of the infrared fill-in light, the reflection of an object in the shooting environment causes an over-exposure phenomenon of an infrared image collected by the infrared mode lens.
And S230, identifying whether the overexposure phenomenon disappears.
The multi-view camera system can recognize whether the over-exposure phenomenon exists in the infrared image collected by the infrared mode lens or not after the infrared light supplement lamp is turned off, and whether the over-exposure phenomenon does not disappear within the preset time.
And S240, if the overexposure phenomenon disappears, determining that the infrared image acquired by the infrared mode lens meets a switching triggering condition.
If the overexposure phenomenon disappears after the infrared light supplement lamp is turned off, the overexposure phenomenon is caused by the interference of the environmental factors, and the interference of the environmental factors can be avoided. Therefore, the multi-view camera system can determine that the infrared image acquired by the infrared mode lens meets the switching triggering condition, avoid the interference of environmental factors by switching the infrared mode lens and the visible mode lens, eliminate the overexposure, and continue to execute the step S260.
And S250, if the overexposure phenomenon does not disappear, triggering environment detection operation to control the optical filter switcher of the visible mode lens to be switched into an infrared mode.
If the over-exposure phenomenon still does not disappear after the infrared light supplement lamp is turned off, the reason for the over-exposure phenomenon is not the interference of avoidable environmental factors. The multi-view camera system triggers the environment monitoring operation, switches the optical filter switcher of the visible mode lens into an infrared mode, and continuously judges whether the infrared mode lens and the infrared image collected by the visible mode lens switched into the infrared mode have the overexposure phenomenon. If the overexposure phenomenon disappears after the filter switcher of the visible light mode lens is switched to the infrared mode, it indicates that the interference of the environmental factors can be avoided by switching the lens. S260 is performed. If the over-exposure phenomenon does not disappear after the filter switcher of the visible mode lens is switched to the infrared mode, which indicates that the over-exposure phenomenon exists in the infrared images collected by the infrared mode lens and the visible mode lens switched to the infrared mode, S270 is executed.
S260, the optical filter switch to which the infrared mode lens is switched to the visible light mode, and the optical filter switch to which the visible light mode lens is switched to the infrared mode.
And S270, if the infrared images collected by the infrared mode lens and the visible mode lens switched to the infrared mode have an overexposure phenomenon, generating alarm information of the environmental infrared interference.
If the infrared mode lens and the visible mode lens switched to the infrared mode both acquire infrared images with overexposure phenomena, it is proved that environmental factor interference cannot be avoided through lens switching, for example, a multi-view camera system is installed around a street lamp and is irradiated by the street lamp for a long time by strong light. At this time, the multi-view camera system can generate warning information of environmental infrared interference to inform a user of improving the environment or changing the installation position of the multi-view camera system.
In a specific embodiment, a binocular imaging system shown in fig. 4 is taken as an example to provide a complete overexposure phenomenon detection and processing flow, and fig. 5 is a flow chart of the overexposure phenomenon detection and processing flow provided in the second embodiment of the present application. In addition, the embodiment can record the lens switching operation of the multi-view camera system, and facilitates later overhaul and maintenance.
According to the technical scheme provided by the embodiment of the application, an infrared mode lens switching object and/or a visible light mode lens switching object are/is determined by recognizing that an infrared image acquired by an infrared mode lens meets a switching triggering condition; and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode. By switching the mode of the multi-view lens, the environment applicability of the multi-view camera system can be enhanced, and meanwhile, the high-quality imaging effect is guaranteed to the greatest extent.
EXAMPLE III
The present embodiment is a preferred embodiment provided on the basis of the above two embodiments. Fig. 6 is a flowchart of a task switching control method for a camera according to a third embodiment of the present application.
As shown in fig. 6, the method includes:
and S310, powering on the multi-view camera system.
The task switching control method for the camera provided by this embodiment may be adaptive to the environmental factor interference as mentioned in the above embodiments, and may also be used to implement fault self-checking of the multi-view camera system. When the system is detected to be powered on, the multi-view camera system can start a self-checking process.
And S320, placing the optical filter switcher of the visible mode lens and the infrared mode lens of the multi-view camera system in a visible mode.
The multi-view camera system firstly places the optical filter switcher of the visible light mode lens and the infrared mode lens in the visible light mode and detects whether the imaging of the lens in the visible light mode is normal.
And S330, if the visible light images of all the lenses are normal, placing the optical filter switches of all the lenses in an infrared mode.
And if all the visible light images are normal after the filter switches of all the lenses are placed in the visible light mode, continuously detecting whether the lenses are normal in the infrared mode. The multi-view camera system can place the optical filter switcher of the visible mode lens and the infrared mode lens in an infrared mode. The same as in the visible light mode, if the infrared images of all the infrared mode lenses are abnormal, the multi-view camera system can adjust the imaging in the infrared mode by adjusting the relative settings of the lenses.
S340, if the infrared images of all the lenses are normal, determining that the power-on detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, and placing the optical filter switcher of at least one lens in an infrared mode.
If the infrared images of all the infrared mode lenses are normal, the multi-view camera system can determine that the power-on detection is normal, and the lenses are placed in a default mode, namely, the optical filter switches of at least one lens are placed in a visible light mode, and the optical filter switches of at least one lens are placed in an infrared mode.
In a preferred embodiment, optionally, the multi-view camera system further includes an infrared fill-in light, which is disposed in the associated region of the visible mode lens and the associated region of the infrared mode lens;
correspondingly, after the filter switches of all the lenses are placed in the infrared mode and the infrared images of all the lenses are normal, the method further comprises:
turning on the infrared light supplement lamps in the associated areas of the lens one by one, and judging whether the infrared image of the lens is normal or not;
if the infrared images of all the lenses are normal, determining that the power-on detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, placing the optical filter switcher of at least one lens in an infrared mode, and simultaneously turning on an infrared light supplement lamp in an associated area of the lens in the infrared mode;
and if at least one over-exposure exists in the infrared images of all the lenses and at least one normal condition exists, determining the lens with the normal infrared image as an infrared mode lens, taking the lens with the over-exposure infrared image as a visible mode lens, and turning on an infrared fill light in the relevant area of the infrared mode lens.
Further, the method further comprises:
and if the infrared images of all the lenses are overexposed, generating alarm information of the environmental infrared interference.
In this scheme, the multi-view camera system further includes an infrared fill light disposed in a region associated with the visible mode lens and a region associated with the infrared mode lens. The infrared light supplement lamp can be used for further judging the reason of the overexposure phenomenon. Fig. 4 is an appearance schematic diagram of the binocular camera system provided by the embodiment of the application, and the binocular camera system is taken as an example, the infrared light supplement lamps can be arranged as shown in fig. 4, the group a infrared light supplement lamps are located in the association area of the lens a, and the group B infrared light supplement lamps are located in the association area of the lens B.
After detecting that the infrared images of all the lenses are normal, the multi-view camera system can further detect the influence of the infrared light supplement lamp on the infrared images. The multi-view camera system can turn on the infrared light supplement lamp of the associated area of each lens in turn, and turn off the infrared light supplement lamp after judging whether the infrared image of the lens is normal or not; and carrying out the detection process on each lens to detect whether the infrared image is normal.
And if the infrared images of all the lenses are normal, determining that the power-on detection is normal, wherein the infrared imaging of the lenses is not influenced by the infrared light supplement lamp in the current environment, and the multi-view camera system can determine that the power-on detection is normal.
If at least one over-exposure exists in the infrared images of all the lenses and at least one normal condition exists, it is indicated that the influence of the current environment on the infrared imaging of the lenses can be avoided through a mode switching mode, at this time, the multi-view camera system can determine the lenses with normal infrared images as the infrared mode lenses, and the over-exposed lenses are used as the visible mode lenses.
The embodiment can check infrared imaging of which lenses in the multi-view camera system has the over-exposure problem through turning on or turning off the infrared light supplementing lamp and switching the visible light mode or the infrared mode of the lenses, can judge whether the over-exposure problem is the influence of evading environmental factors, further ensures normal work of the multi-view camera system, and ensures that the lenses realize a high-quality imaging effect on the premise of not moving equipment.
On the basis of the foregoing embodiment, optionally, the method further includes:
and if all the lenses are switched to infrared mode lenses and the infrared mode lenses are all over exposed, generating alarm information of the environmental infrared interference.
In this embodiment, if the over-exposure phenomenon exists in both the infrared image of the visible mode lens and the infrared image of the infrared mode lens, it indicates that the environmental factor interference is unavoidable. At this time, the multi-view camera system needs to generate environment infrared interference warning information to notify the user to change the installation environment of the multi-view camera system or eliminate infrared interference in the external environment.
The scheme can timely detect the infrared interference which cannot be avoided around the multi-view camera system, provides a good guiding effect for a user in the installation process, and ensures the high-quality imaging effect of the multi-view camera system.
In this embodiment, optionally, the number of the infrared mode lenses included in the multi-view camera system is at least one, and the number of the visible mode lenses included in the multi-view camera system is at least one;
the shooting directions of the infrared mode lens and the visible mode lens in the multi-view camera system are consistent, and the distance is within a preset range.
In this embodiment, the multi-view camera system at least includes an infrared mode lens and a visible mode lens, and the shooting directions of the infrared mode lens and the visible mode lens are the same, and the distance is within a preset range.
The multi-view camera system described in this embodiment can provide a high-quality acquisition device for the fusion of the infrared image and the visible light image, and the consistent shooting directions of the infrared mode lens and the visible light mode lens can reduce the image registration work before the image fusion, ensure that the height of the infrared image acquired by the infrared mode lens is consistent with that of the visible light image acquired by the visible light mode lens, and facilitate the comparison of the two types of images.
In a specific embodiment, a complete binocular camera system power-on self-test scheme is provided, and the embodiment can also record lens switching operation of the binocular camera system, so that the binocular camera system is convenient to overhaul and maintain in the future. Fig. 7 is a flowchart of a power-on self-test of a binocular camera system provided in the third embodiment of the present application, which includes the following specific steps:
firstly, electrifying a binocular camera system, starting a self-checking process, firstly, switching all lenses into a visible light mode, comparing visible light images collected by the two lenses to ensure that the two lenses are in a normal state, determining whether the brightness of the visible light images is consistent or not, and prompting a user to adjust related parameters or the surrounding environment (strong light interference) if the brightness of the visible light images is inconsistent;
secondly, all the lenses are switched to an infrared mode, the binocular camera system judges whether the brightness of the infrared images collected by the two lenses is normal or not, and if the brightness of the infrared images is not normal, a user is prompted to adjust relevant parameters or a surrounding environment (an infrared interference source);
if the infrared image and the visible light image are normal, respectively starting two groups of infrared light supplement lamps, recording normal use of two sides if the infrared image is normal, respectively determining one of the infrared mode lenses and the other visible mode lens, and simultaneously normally starting the binocular camera system; while restoring the device parameters to default (or user usage parameters);
if the two groups of infrared light supplement lamps are respectively started, the over-exposure phenomenon exists in the infrared image collected by one lens, and the infrared image collected by the other lens is normal, the lens with the normal infrared image is used as an infrared mode lens, the over-exposure lens is switched to a visible light mode, and meanwhile, the binocular camera system is normally started;
and fifthly, if the two groups of infrared light supplement lamps are respectively started and the infrared images collected by the two lenses have an overexposure phenomenon, generating alarm information of the environment infrared interference.
According to the technical scheme provided by the embodiment of the application, the multi-view camera system is electrified; placing the optical filter switcher of the visible mode lens and the infrared mode lens of the multi-view camera system in a visible mode; if the visible light images of the visible light mode lens and the infrared mode lens are normal, the optical filter switchers of the visible light mode lens and the infrared mode lens are both arranged in an infrared mode; and if the infrared images of all the lenses are normal, determining that the electrifying detection is normal, placing the optical filter switches of the visible mode lenses in a visible mode, and placing the optical filter switches of the infrared mode lenses in an infrared mode. Through mode switching of the multi-view lens, detection of the multi-view lens can be achieved, and normal use of the multi-view lens is guaranteed.
Example four
Fig. 8 is a schematic structural diagram of a task switching control apparatus for a camera according to a fourth embodiment of the present invention, which is configured in a multi-view camera system, where the multi-view camera system includes a visible light mode lens and an infrared mode lens, the visible light mode lens includes a filter switcher, the filter switcher is in a visible light mode, the infrared mode lens includes a filter switcher, and the filter switcher is in an infrared mode, and the apparatus has corresponding functional modules and beneficial effects according to the execution method.
As shown in fig. 8, the apparatus may include:
a switching object determining module 410, configured to determine an infrared mode lens switching object and/or a visible light mode lens switching object if it is identified that an infrared image acquired by the infrared mode lens meets a switching trigger condition;
the optical filter switcher mode switching module 420 is configured to switch the optical filter switcher of the infrared mode lens switching object to the visible light mode, and/or switch the optical filter switcher of the visible light mode lens switching object to the infrared mode.
In this embodiment, optionally, the switching object determining module 410 is specifically configured to:
determining whether the infrared image has an overexposure phenomenon;
and if the overexposure phenomenon does not disappear within the preset time, determining that the infrared image acquired by the infrared mode lens meets the switching triggering condition.
In a preferred embodiment, optionally, the multi-view camera system further includes an infrared fill-in light, which is disposed in the associated region of the visible mode lens and the associated region of the infrared mode lens;
correspondingly, the switching object determining module 410 is further configured to:
controlling an infrared light supplement lamp in a relevant area of the infrared mode lens to be turned off, and identifying whether the over-exposure phenomenon disappears;
if the infrared image disappears, determining that the infrared image collected by the infrared mode lens meets a switching triggering condition;
if the infrared mode lens does not disappear, triggering environment detection operation to control the optical filter switcher of the visible light mode lens to be switched into an infrared mode;
and if the infrared images collected by the infrared mode lens and the visible mode lens switched to the infrared mode have an overexposure phenomenon, generating alarm information of environmental infrared interference.
In a possible embodiment, optionally, the switching object determining module 410 is further configured to:
powering on the multi-view camera system;
placing the optical filter switcher of the visible mode lens and the infrared mode lens of the multi-view camera system in a visible mode;
if the visible light images of all the lenses are normal, the optical filter switchers of all the lenses are all placed in an infrared mode;
and if the infrared images of all the lenses are normal, determining that the electrifying detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, and placing the optical filter switcher of at least one lens in an infrared mode.
In another possible embodiment, optionally, the multi-view camera system further includes an infrared fill-in light, which is disposed in the associated region of the visible mode lens and the associated region of the infrared mode lens;
correspondingly, the switching object determining module 410 is further configured to:
turning on the infrared light supplement lamps in the associated areas of the lens one by one, and judging whether the infrared image of the lens is normal or not;
if the infrared images of all the lenses are normal, determining that the power-on detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, placing the optical filter switcher of at least one lens in an infrared mode, and simultaneously turning on an infrared light supplement lamp in an associated area of the lens in the infrared mode;
and if at least one over-exposure exists in the infrared images of all the lenses and at least one normal condition exists, determining the lens with the normal infrared image as an infrared mode lens, taking the lens with the over-exposure infrared image as a visible mode lens, and turning on an infrared fill light in the relevant area of the infrared mode lens.
On the basis of the foregoing embodiment, optionally, the switching object determining module 410 is further configured to:
and if the infrared images of all the lenses are overexposed, generating alarm information of the environmental infrared interference. In this scheme, optionally, the number of the infrared mode lenses included in the multi-view camera system is at least one, and the number of the visible mode lenses included in the multi-view camera system is at least one;
the shooting directions of the infrared mode lens and the visible mode lens in the multi-view camera system are consistent, and the distance is within a preset range.
The product can execute the task switching control method of the camera provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method.
EXAMPLE five
An embodiment five of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a task switching control method for a camera according to any embodiment of the present invention:
if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object;
and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
EXAMPLE six
The sixth embodiment of the application provides electronic equipment. Fig. 9 is a schematic structural diagram of an electronic device according to a sixth embodiment of the present application. As shown in fig. 9, the present embodiment provides an electronic device 500, which includes: one or more processors 520; the storage device 510 is configured to store one or more programs, and when the one or more programs are executed by the one or more processors 520, the one or more processors 520 implement the method for controlling task switching of a camera provided in an embodiment of the present application, the method includes:
if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object;
and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
Of course, those skilled in the art can understand that the processor 520 also implements the technical solution of the task switching control method for the camera provided in any embodiment of the present application.
The electronic device 500 shown in fig. 9 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 9, the electronic device 500 includes a processor 520, a storage 510, an input 530, and an output 540; the number of the processors 520 in the electronic device may be one or more, and one processor 520 is taken as an example in fig. 9; the processor 520, the storage 510, the input device 530, and the output device 540 in the electronic apparatus may be connected by a bus or other means, and are exemplified by being connected by a bus 550 in fig. 9.
The storage device 510 is a computer-readable storage medium, and can be used to store software programs, computer-executable programs, and module units, such as program instructions corresponding to the task switching control method of the camera in the embodiment of the present application.
The storage device 510 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage 510 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 510 may further include memory located remotely from processor 520, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 530 may be used to receive input numbers, character information, or voice information, and to generate key signal inputs related to user settings and function control of the electronic apparatus. The output device 540 may include a display screen, speakers, etc. of electronic equipment.
The electronic equipment provided by the embodiment of the application can be switched through the mode of the multi-view lens, the environment applicability of the multi-view camera system is enhanced, the environment monitoring function is achieved, and the high-quality imaging effect is guaranteed to the maximum extent.
The task switching control device, the medium and the electronic device for the camera provided in the above embodiments can execute the task switching control method for the camera provided in any embodiment of the present application, and have corresponding functional modules and beneficial effects for executing the method. For details of the camera task switching control method provided in any embodiment of the present application, reference may be made to the above embodiments.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A task switching control method for a camera, the method being performed by a multi-view camera system, the multi-view camera system including a visible mode lens and an infrared mode lens, the visible mode lens including a filter switcher, the filter switcher being placed in a visible mode, the infrared mode lens including a filter switcher, the filter switcher being placed in an infrared mode, the method comprising:
if the infrared image collected by the infrared mode lens meets the switching triggering condition, determining an infrared mode lens switching object and/or a visible light mode lens switching object;
and switching the optical filter switcher of the infrared mode lens switching object into a visible light mode, and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
2. The method according to claim 1, wherein identifying whether the infrared image captured by the infrared mode lens meets the switching trigger condition comprises:
determining whether the infrared image has an overexposure phenomenon;
and if the overexposure phenomenon does not disappear within the preset time, determining that the infrared image acquired by the infrared mode lens meets the switching triggering condition.
3. The method according to claim 2, wherein the multi-view camera system further comprises an infrared fill-in light disposed in the associated area of the visible mode lens and the associated area of the infrared mode lens;
correspondingly, after determining that the overexposure phenomenon does not disappear within the preset time, before determining that the infrared image acquired by the infrared mode lens meets the switching triggering condition, the method further comprises:
controlling an infrared light supplement lamp in a relevant area of the infrared mode lens to be turned off, and identifying whether the over-exposure phenomenon disappears;
if the infrared image disappears, determining that the infrared image collected by the infrared mode lens meets a switching triggering condition;
if the infrared mode lens does not disappear, triggering environment detection operation to control the optical filter switcher of the visible light mode lens to be switched into an infrared mode;
and if the infrared images collected by the infrared mode lens and the visible mode lens switched to the infrared mode have an overexposure phenomenon, generating alarm information of environmental infrared interference.
4. The method of claim 1, further comprising:
powering on the multi-view camera system;
placing the optical filter switcher of the visible mode lens and the infrared mode lens of the multi-view camera system in a visible mode;
if the visible light images of all the lenses are normal, the optical filter switchers of all the lenses are all placed in an infrared mode;
and if the infrared images of all the lenses are normal, determining that the electrifying detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, and placing the optical filter switcher of at least one lens in an infrared mode.
5. The method according to claim 4, wherein the multi-view camera system further comprises an infrared fill-in light disposed in the associated area of the visible mode lens and the associated area of the infrared mode lens;
correspondingly, after the filter switches of all the lenses are placed in the infrared mode and the infrared images of all the lenses are normal, the method further comprises:
turning on the infrared light supplement lamps in the associated areas of the lens one by one, and judging whether the infrared image of the lens is normal or not;
if the infrared images of all the lenses are normal, determining that the power-on detection is normal, placing the optical filter switcher of at least one lens in a visible light mode, placing the optical filter switcher of at least one lens in an infrared mode, and simultaneously turning on an infrared light supplement lamp in an associated area of the lens in the infrared mode;
and if at least one over-exposure exists in the infrared images of all the lenses and at least one normal condition exists, determining the lens with the normal infrared image as an infrared mode lens, taking the lens with the over-exposure infrared image as a visible mode lens, and turning on an infrared fill light in the relevant area of the infrared mode lens.
6. The method of claim 5, further comprising:
and if the infrared images of all the lenses are overexposed, generating alarm information of the environmental infrared interference.
7. The method according to claim 5, wherein the number of infrared mode lenses included in the multi-view camera system is at least one, and the number of visible mode lenses included in the multi-view camera system is at least one;
the shooting directions of the infrared mode lens and the visible mode lens in the multi-view camera system are consistent, and the distance is within a preset range.
8. A task switching control apparatus for a camera, the apparatus being configured in a multi-view camera system, the multi-view camera system including a visible light mode lens and an infrared mode lens, the visible light mode lens including a filter switcher, the filter switcher being placed in a visible light mode, the infrared mode lens including the filter switcher, the filter switcher being placed in an infrared mode, the apparatus comprising:
the switching object determining module is used for determining an infrared mode lens switching object and/or a visible light mode lens switching object if the infrared image acquired by the infrared mode lens meets the switching triggering condition;
and the optical filter switcher mode switching module is used for switching the optical filter switcher of the infrared mode lens switching object into a visible light mode and/or switching the optical filter switcher of the visible light mode lens switching object into an infrared mode.
9. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing a task switching control method for a camera head according to any one of claims 1 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for controlling task switching of a camera according to any one of claims 1 to 7 when executing the computer program.
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