CN113504531A - Imaging system, resolution control method and device and storage medium - Google Patents
Imaging system, resolution control method and device and storage medium Download PDFInfo
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- 238000003384 imaging method Methods 0.000 title claims abstract description 59
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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Abstract
The application relates to an imaging system, a resolution control method, a resolution control device and a storage medium, wherein the imaging system comprises a light detection module, a processing module and a channel control module, the light detection module and the channel control module are respectively connected with the processing module, the light detection module is used for detecting and acquiring current environment information, the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, and is used for determining a target channel from the channel control module based on the target resolution information and controlling the target channel to be in an open or closed state. Based on the embodiment of the application, the target channel in the channel control module is controlled to be in an open or closed state according to the current environment information and the current resolution information of the channel control module, so that the resolution and the laser emission intensity can be adjusted, and effective laser imaging is realized to improve the environment sensing capability of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of laser radar design, in particular to a laser radar imaging system, a resolution control method and device thereof and electronic equipment.
Background
The laser radar is one of main sensors in the field of automatic driving, and is used for sending a detection signal to a target and receiving a laser signal reflected from the target so as to further acquire characteristic quantities such as the position and the speed of the target. The laser radar can be used for accurately sensing the surrounding environment, and effective guarantee is provided for realizing safe and reliable automatic driving behaviors.
The traditional laser radar is divided into sensors with fixed resolution such as 64 lines and 128 lines, and different requirements and environment diversity are provided for detection distance in an automatic driving system, so that the laser reflection intensity received by the laser radar is greatly changed, and the efficiency of the laser radar is influenced. In order to solve the above problems, in the prior art, compensation is performed by changing the laser output power, but this way greatly affects the service life of the laser radar, and may reduce the reliability and stability of the laser radar.
Disclosure of Invention
The embodiment of the application provides an imaging system, a resolution control method, a resolution control device and a storage medium, which can adjust resolution and laser emission intensity, and further realize effective laser imaging to improve the environmental perception capability of a whole vehicle.
An embodiment of the present application provides an imaging system, including: the device comprises a light detection module, a processing module and a channel control module;
the optical detection module and the channel control module are respectively connected with the processing module;
the optical detection module is used for detecting and acquiring current environment information;
the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state.
Further, the channel control module comprises an optical switch network structure;
the optical switch network structure comprises a plurality of single-pole double-throw optical switches which are arranged in a layered cascade mode.
Further, the channel control module comprises a plurality of optical switches, and the plurality of optical switches are arranged in parallel.
Further, the processing module is used for determining the laser absorption level corresponding to the current environment information; and determining target resolution information according to the current resolution information and the laser absorption level.
Further, the system further comprises: a laser and a laser probe module;
the laser and the laser probe module are respectively connected with the channel control module;
the laser is used for emitting laser;
the laser probe module is used for sending laser and receiving laser.
Further, the laser probe module comprises a laser transmitting module and a laser receiving module,
the laser sending module is used for receiving laser emitted by the laser and sending the laser to a target object;
the laser receiving module is used for receiving the laser reflected by the target object.
Correspondingly, the embodiment of the application also provides a resolution control method of the imaging system, and the imaging system comprises: the system comprises a light detection module, a processing module and a channel control module, wherein the light detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state;
the resolution control method comprises the following steps:
acquiring current environment information and current resolution information;
determining target resolution information according to the current environment information and the current resolution information;
determining a target channel from a channel control module based on the target resolution information;
and controlling the target channel to be in an open state or a closed state, so that the laser passes through the target channel in the open state or the laser is cut off at the target channel in the closed state.
Further, determining target resolution information according to the current environment information and the current resolution information includes:
determining the laser absorption level corresponding to the current environmental information; and determining target resolution information according to the current resolution information and the laser absorption level.
Further, the system further comprises: a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving laser reflected by a target object;
controlling the target channel to be in an open or closed state, including:
and controlling the target channel to be in an opening or closing state, so that the laser emitting modules corresponding to the laser and the target channel are switched on or off.
Correspondingly, the embodiment of the present application further provides a resolution control device of an imaging system, wherein the imaging system includes: the system comprises a light detection module, a processing module and a channel control module, wherein the light detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state;
the resolution control device includes:
the acquisition module is used for acquiring current environment information and current resolution information;
the first determining module is used for determining target resolution information according to the current environment information and the current resolution information;
a second determination module for determining a target channel from the channel control module based on the target resolution information;
and the control module is used for controlling the target channel to be in an open state or a closed state, so that the laser passes through the target channel in the open state or is stopped at the target channel in the closed state.
Further, the first determining module is used for determining the laser absorption level corresponding to the current environment information; and determining target resolution information according to the current resolution information and the laser absorption level.
Further, the system further comprises: a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving laser reflected by a target object;
and the control module is used for controlling the target channel to be in an opening or closing state so as to enable the laser device to be connected with or disconnected from the laser emitting module corresponding to the target channel.
Accordingly, an embodiment of the present application further provides an electronic device, which includes a processor and a memory, where the memory stores at least one instruction, at least one program, a code set, or a set of instructions, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the resolution control method of the imaging system.
Accordingly, the present application further provides a computer-readable storage medium, in which at least one instruction, at least one program, a code set, or a set of instructions is stored, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by a processor to implement the resolution control method of the imaging system described above.
The embodiment of the application has the following beneficial effects:
the embodiment of the application discloses an imaging system, a resolution control method, a resolution control device and a storage medium, wherein the imaging system comprises a light detection module, a processing module and a channel control module, the light detection module and the channel control module are respectively connected with the processing module, the light detection module is used for detecting and acquiring current environment information, the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, and is used for determining a target channel from the channel control module based on the target resolution information and controlling the target channel to be in an open or closed state. Based on the embodiment of the application, the target channel in the channel control module is controlled to be in an open or closed state according to the current environment information and the current resolution information of the channel control module, so that the resolution and the laser emission intensity can be adjusted, and effective laser imaging is realized to improve the environment sensing capability of the whole vehicle.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an imaging system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a channel control module according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a laser probe module according to an embodiment of the present disclosure;
fig. 4 is a schematic flowchart of a resolution control method of an imaging system according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a resolution control apparatus of an imaging system according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. It should be apparent that the described embodiment is only one embodiment of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An "embodiment" as referred to herein relates to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. In the description of the embodiments of the present application, it should be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than described or illustrated herein. Furthermore, the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions.
Referring now to a specific embodiment of an imaging system of the present application, fig. 1 is a schematic structural diagram of an imaging system provided in an embodiment of the present application, and the present specification provides the constituent structures as shown in the embodiments, but may include more or less modules based on conventional or non-inventive labor. The modules listed in the embodiments are only one type of the plurality of constituent structures, and do not represent a unique constituent structure, and when actually executed, the modules can be executed according to the constituent structures shown in the embodiments or the drawings.
In an alternative embodiment, the imaging system may be a lidar imaging system.
An embodiment of a lidar imaging system is described below.
As shown in fig. 1, the imaging system may include: the device comprises a light detection module, a processing module and a channel control module. The optical detection module and the channel control module can be respectively connected with the processing module. In particular, the light detector may be electrically connected to the processing module, and the channel control module may be electrically connected to the processing module. The optical detector may be configured to detect and acquire current environment information, and the processing module may be configured to determine target resolution information according to the current environment information and current resolution information of the channel control module, and further determine a target channel from the channel control module based on the target resolution information, and control the target channel to be in an open or closed state.
In an optional implementation manner, the current resolution information of the channel control module may be acquired and sent to the processing module by an upper computer, the upper computer may be electrically connected to the processing module, and the current resolution information of the channel control module may also be directly acquired by the processing module.
In an alternative embodiment, the channel control module may include an optical switch fabric. Fig. 2 is a schematic structural diagram of a channel control module according to an embodiment of the present application, in which the optical switch network structure may include a plurality of single-pole double-throw switches and an optical switch controller, the optical switch controller may be electrically connected to each single-pole double-throw switch, and the single-pole double-throw switches may be arranged in a layered cascade. For example, the optical switch network structure includes a single-pole double-throw switch A, B, C, wherein, the single-pole double-throw switch a includes a stationary end a1, a moving end a2 and a moving end a3, the single-pole double-throw switch B includes a stationary end B1, a moving end B2 and a moving end B3, the single-pole double-throw switch C includes a stationary end C1, a moving end C2 and a moving end C3, the moving end a2 can be connected with the stationary end B1, and the moving end a3 can be connected with the stationary end C1. Alternatively, the movable end a2 can be connected to the stationary end b1 by an optical fiber, and the movable end a3 can be connected to the stationary end c1 by an optical fiber. Through the layered cascade arrangement of a plurality of single-pole double-throw switches, the number of the single-pole double-throw switches can be reduced, and the design cost is reduced.
In another alternative embodiment, the channel control module may include a plurality of optical switches, which may be arranged in parallel. Through the parallel arrangement of a plurality of photoswitches, can make every photoswitch control a passageway, improve the accuracy of control operation.
In an alternative embodiment, the light detection module may be an ambient light detector for detecting and acquiring environmental information around the vehicle. Specifically, the light detection module is a light detector, and the light detector can detect the light power incident on the surface of the light detection module, and then convert the light power into corresponding current.
In an alternative embodiment, the processing module may be a controller, and the controller may receive the current environmental information acquired by the optical detection module, i.e. the current corresponding to the optical power.
In a specific embodiment, the processing module may be configured to determine a laser absorption level corresponding to the current environment information, and further determine the target resolution information according to the current resolution information and the laser absorption level.
The determination of the target resolution information based on the current resolution information and the laser absorption level is exemplified below. If the current output by the optical detector is in the interval [10,30], it can be determined that the laser absorption level is a first level, the first level corresponds to 20% of the first control information, if the current output by the optical detector is in the interval (30, 50), it can be determined that the laser absorption level is a second level, the second level corresponds to 60% of the second control information, when the optical detector detects that the environment around the vehicle is rainy, the absorption of the laser is strong, the resolution needs to be reduced, that is, part of channels are controlled to be in a closed state, if the laser radar is 128 lines, the number of the channels currently in an open state is 120, the current output by the optical detector is in the interval (30, 50), and the corresponding laser absorption level is the second level, so that 72 channels in the 120 channels in the open state can be controlled to be switched to the closed state.
As shown in fig. 1, the imaging system may further include a laser and a laser probe module, the laser and the laser probe module may be respectively connected to the channel control module, the laser is configured to emit laser, and the laser probe module is configured to transmit laser and receive laser.
In a specific embodiment, the laser probe module may include a laser transmitting module and a laser receiving module, the laser transmitting module may be configured to receive laser light emitted by the laser and transmit the laser light to the target object, and the laser receiving module may be configured to receive laser light reflected by the target object.
Fig. 3 is a schematic structural diagram of a laser probe module according to an embodiment of the present application, where the laser probe module employs a transmit-receive optical path, a central optical fiber, i.e., a laser transmitting module, is configured to receive laser emitted by a laser and transmit the laser to a target object, and four peripheral optical fibers, i.e., laser receiving modules, are configured to receive the laser so as to transmit the laser to a subsequent circuit, so as to obtain distance information of the target object from a laser radar. The laser probe module can be electrically connected with the beam expanding collimation light path, a central optical fiber in the laser probe module is optically connected with a channel control module, namely an optical switch optical network structure, four optical fibers around the laser probe module are all optically connected with a detection module, and the detection module is electrically connected with a subsequent circuit, namely a signal processing circuit.
In an alternative embodiment, the laser probe module may be an array of laser probes, and each laser probe may be connected to a moving end of a single-pole double-throw switch in an optical switch optical network structure. That is, the processing module may utilize the ambient light detector to detect the surrounding environment of the vehicle, and determine the target resolution that needs to be adjusted up or down by combining with the current resolution of the channel control module sent by the upper computer, and then control the optical network structure based on the target resolution, so as to realize the on or off of each laser probe in the laser probe array, so as to realize the controllable multi-resolution of the laser radar imaging system.
By adopting the imaging system provided by the embodiment of the application, the target channel in the channel control module is controlled to be in the opening or closing state according to the current environment information and the current resolution information of the channel control module, so that the resolution and the laser emission intensity can be adjusted, and effective laser imaging is realized to improve the environment perception capability of the whole vehicle.
The embodiment of the application provides a resolution control method of an imaging system, wherein the imaging system can comprise a light detection module, a processing module and a channel control module, and the light detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state. While a specific embodiment of a resolution control method of an imaging system of the present application is described below, fig. 4 is a schematic flow chart of a resolution control method of an imaging system provided in an embodiment of the present application, and the present specification provides the method operation steps as shown in the embodiment or the flow chart, but more or less operation steps may be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is only one of many possible orders of execution and does not represent the only order of execution, and in actual execution, the steps may be performed sequentially or in parallel as in the embodiments or methods shown in the figures (e.g., in the context of parallel processors or multi-threaded processing). Specifically, as shown in fig. 4, the method includes:
s401: and acquiring current environment information and current resolution information.
S403: determining target resolution information according to the current environment information and the current resolution information;
in the embodiment of the application, the laser absorption level corresponding to the current environment information can be determined, and then the target resolution information is determined according to the current resolution information and the laser absorption level.
S405: a target channel is determined from the channel control module based on the target resolution information.
S407: and controlling the target channel to be in an open state or a closed state, so that the laser passes through the target channel in the open state or the laser is cut off at the target channel in the closed state.
In the embodiment of the application, the imaging system may further include a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving the laser reflected by the target object.
In the embodiment of the application, the target channel can be controlled to be in an open or closed state, so that the laser emitting modules corresponding to the laser and the target channel are switched on or off.
By adopting the resolution control method of the imaging system provided by the embodiment of the application, the target channel in the channel control module is controlled to be in the open or closed state according to the current environment information and the current resolution information of the channel control module, so that the resolution and the laser emission intensity can be adjusted, and effective laser imaging is realized to improve the environment perception capability of the whole vehicle.
An embodiment of the present application further provides a resolution control apparatus for an imaging system, where the imaging system may include: the system comprises a light detection module, a processing module and a channel control module, wherein the light detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state. Fig. 5 is a schematic structural diagram of a resolution control apparatus of an imaging system according to an embodiment of the present application, and as shown in fig. 5, the resolution control apparatus may include:
the obtaining module 501 is configured to obtain current environment information and current resolution information;
the first determining module 503 is configured to determine target resolution information according to the current environment information and the current resolution information;
the second determining module 505 is configured to determine a target channel from the channel control module based on the target resolution information;
the control module 507 is configured to control the target channel to be in an open state or a closed state, so that the laser passes through the target channel in the open state or the laser is stopped at the target channel in the closed state.
In this embodiment of the present application, the first determining module 503 is configured to determine a laser absorption level corresponding to current environment information; and determining target resolution information according to the current resolution information and the laser absorption level.
In an embodiment of the present application, the imaging system may further include: a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving the laser reflected by the target object.
In this embodiment, the control module 507 is configured to control the target channel to be in an on or off state, so that the laser emitting module corresponding to the laser and the target channel is turned on or off.
The device and method embodiments in the embodiments of the present application are based on the same application concept.
By adopting the resolution control device of the imaging system provided by the embodiment of the application, according to the current environment information and the current resolution information of the channel control module, the target channel in the channel control module is controlled to be in an open or closed state, the resolution and the laser emission intensity can be adjusted, and then effective laser imaging is realized to improve the environment perception capability of the whole vehicle.
The present invention further provides an electronic device, which may be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing a resolution control method of an imaging system in the method embodiment, where the at least one instruction, the at least one program, the code set, or the set of instructions are loaded from the memory and executed to implement the resolution control method of the imaging system.
The present invention also provides a storage medium, which can be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing a resolution control method of an imaging system in the method embodiments, where the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the resolution control method of the imaging system.
Optionally, in this embodiment, the storage medium may be located in at least one network server of a plurality of network servers of a computer network. Optionally, in this embodiment, the storage medium may include, but is not limited to, a storage medium including: various media that can store program codes, such as a usb disk, a Read-only Memory (ROM), a removable hard disk, a magnetic disk, or an optical disk.
As can be seen from the embodiments of the imaging system, the resolution control method and apparatus of the imaging system, and the electronic device or the storage medium provided by the present application, the imaging system in the present application includes an optical detection module, a processing module, and a channel control module, where the optical detection module and the channel control module are respectively connected to the processing module, the optical detection module is configured to detect and acquire current environment information, the processing module is configured to determine target resolution information according to the current environment information and the current resolution information of the channel control module, and is configured to determine a target channel from the channel control module based on the target resolution information, and control the target channel to be in an on or off state. Based on the embodiment of the application, the target channel in the channel control module is controlled to be in an open or closed state according to the current environment information and the current resolution information of the channel control module, so that the resolution and the laser emission intensity can be adjusted, and effective laser imaging is realized to improve the environment sensing capability of the whole vehicle.
It should be noted that: the foregoing sequence of the embodiments of the present application is for description only and does not represent the superiority and inferiority of the embodiments, and the specific embodiments are described in the specification, and other embodiments are also within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in the order of execution in different embodiments and achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown or connected to enable the desired results to be achieved, and in some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on differences from other embodiments. Especially, for the embodiment of the device, since it is based on the embodiment similar to the method, the description is simple, and the relevant points can be referred to the partial description of the method embodiment.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (14)
1. A lidar imaging system, comprising: the device comprises a light detection module, a processing module and a channel control module;
the optical detection module and the channel control module are respectively connected with the processing module;
the optical detection module is used for detecting and acquiring current environment information;
the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state.
2. The system of claim 1, wherein the channel control module comprises an optical switch network fabric;
the optical switch network structure comprises a plurality of single-pole double-throw optical switches which are arranged in a layered cascade mode.
3. The system of claim 1, wherein the channel control module comprises a plurality of optical switches arranged in parallel.
4. The system of claim 1,
the processing module is used for determining the laser absorption level corresponding to the current environment information; and determining the target resolution information according to the current resolution information and the laser absorption level.
5. The system of claim 1, further comprising: a laser and a laser probe module;
the laser and the laser probe module are respectively connected with the channel control module;
the laser is used for emitting laser;
the laser probe module is used for sending laser and receiving laser.
6. The system of claim 5, wherein the laser probe module comprises a laser transmit module and a laser receive module,
the laser sending module is used for receiving the laser emitted by the laser and sending the laser to a target object;
the laser receiving module is used for receiving the laser reflected by the target object.
7. A method for controlling resolution of a lidar imaging system, the lidar imaging system comprising: the device comprises an optical detection module, a processing module and a channel control module, wherein the optical detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state;
the method comprises the following steps:
acquiring the current environment information and the current resolution information;
determining the target resolution information according to the current environment information and the current resolution information;
determining the target channel from the channel control module based on the target resolution information;
controlling the target channel to be in an open or closed state, so that laser light passes through the target channel in the open state or the laser light is cut off at the target channel in the closed state.
8. The method of claim 7, wherein determining the target resolution information based on the current environment information and the current resolution information comprises:
determining the laser absorption level corresponding to the current environment information; and determining the target resolution information according to the current resolution information and the laser absorption level.
9. The method of claim 7, wherein the system further comprises: a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving the laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving the laser reflected by the target object;
the controlling the target channel to be in an open or closed state includes:
and controlling the target channel to be in an open or closed state, so that the laser emitting modules corresponding to the laser and the target channel are switched on or off.
10. A resolution control apparatus of a lidar imaging system, the lidar imaging system comprising: the device comprises an optical detection module, a processing module and a channel control module, wherein the optical detection module and the channel control module are respectively connected with the processing module; the optical detection module is used for detecting and acquiring current environment information; the processing module is used for determining target resolution information according to the current environment information and the current resolution information of the channel control module, determining a target channel from the channel control module based on the target resolution information, and controlling the target channel to be in an open or closed state;
the device comprises:
an obtaining module, configured to obtain the current environment information and the current resolution information;
a first determining module, configured to determine the target resolution information according to the current environment information and the current resolution information;
a second determining module for determining the target channel from the channel control module based on the target resolution information;
the control module is used for controlling the target channel to be in an open state or a closed state, so that laser passes through the target channel in the open state or is cut off at the target channel in the closed state.
11. The apparatus of claim 10,
the first determining module is configured to determine a laser absorption level corresponding to the current environment information;
and determining the target resolution information according to the current resolution information and the laser absorption level.
12. The apparatus of claim 10, wherein the system further comprises: a laser and a laser probe module; the laser and the laser probe module are respectively connected with the channel control module; the laser is used for emitting laser; the laser probe module comprises a laser sending module and a laser receiving module, and the laser sending module is used for receiving the laser emitted by the laser and emitting the laser to a target object; the laser receiving module is used for receiving the laser reflected by the target object;
the control module is used for controlling the target channel to be in an open or closed state, so that the laser emitting modules corresponding to the laser and the target channel are switched on or off.
13. An electronic device, comprising a processor and a memory, wherein at least one instruction, at least one program, a set of codes, or a set of instructions is stored in the memory, and wherein the at least one instruction, the at least one program, the set of codes, or the set of instructions is loaded and executed by the processor to implement the resolution control method of lidar imaging system of any of claims 7 to 9.
14. A computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the resolution control method of lidar imaging system of any of claims 7 to 9.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375775A (en) * | 2018-01-17 | 2018-08-07 | 上海禾赛光电科技有限公司 | The method of adjustment of vehicle-mounted detection equipment and its parameter, medium, detection system |
| WO2018218629A1 (en) * | 2017-06-01 | 2018-12-06 | 深圳市大疆创新科技有限公司 | Laser radar-based detection method and device and probing equipment |
| CN109839639A (en) * | 2019-02-27 | 2019-06-04 | 宁波舜宇车载光学技术有限公司 | Laser radar and the laser radar system and its detection method for reducing ambient light interference |
| CN110568700A (en) * | 2019-08-17 | 2019-12-13 | 深圳市矽赫科技有限公司 | Laser light source control method, laser night vision imaging device and storage medium |
| CN110703223A (en) * | 2019-11-07 | 2020-01-17 | 上海禾赛光电科技有限公司 | Adjusting method applied to laser radar and electronic equipment |
| KR102077611B1 (en) * | 2018-08-10 | 2020-02-17 | (주)에스디시스템 | Laser scanner improving accuracy of detection and distance resolving power |
| CN111060926A (en) * | 2019-12-25 | 2020-04-24 | 新奇点企业管理集团有限公司 | Rainfall calculation system and method |
| US20200348402A1 (en) * | 2018-01-17 | 2020-11-05 | Hesai Photonics Technology Co., Ltd. | Detection device and method for adjusting parameter thereof |
-
2021
- 2021-06-23 CN CN202110702866.7A patent/CN113504531A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218629A1 (en) * | 2017-06-01 | 2018-12-06 | 深圳市大疆创新科技有限公司 | Laser radar-based detection method and device and probing equipment |
| CN108375775A (en) * | 2018-01-17 | 2018-08-07 | 上海禾赛光电科技有限公司 | The method of adjustment of vehicle-mounted detection equipment and its parameter, medium, detection system |
| US20200348402A1 (en) * | 2018-01-17 | 2020-11-05 | Hesai Photonics Technology Co., Ltd. | Detection device and method for adjusting parameter thereof |
| KR102077611B1 (en) * | 2018-08-10 | 2020-02-17 | (주)에스디시스템 | Laser scanner improving accuracy of detection and distance resolving power |
| CN109839639A (en) * | 2019-02-27 | 2019-06-04 | 宁波舜宇车载光学技术有限公司 | Laser radar and the laser radar system and its detection method for reducing ambient light interference |
| CN110568700A (en) * | 2019-08-17 | 2019-12-13 | 深圳市矽赫科技有限公司 | Laser light source control method, laser night vision imaging device and storage medium |
| CN110703223A (en) * | 2019-11-07 | 2020-01-17 | 上海禾赛光电科技有限公司 | Adjusting method applied to laser radar and electronic equipment |
| WO2021088993A1 (en) * | 2019-11-07 | 2021-05-14 | 上海禾赛科技股份有限公司 | Laser radar adjustment method and electronic device |
| CN111060926A (en) * | 2019-12-25 | 2020-04-24 | 新奇点企业管理集团有限公司 | Rainfall calculation system and method |
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