CN117508213A - Method, apparatus, medium and program product for presenting on-board information - Google Patents
Method, apparatus, medium and program product for presenting on-board information Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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Abstract
Embodiments of the present disclosure relate to a method, apparatus, medium, and program product for presenting on-board information. The method includes determining an amount of information of a traffic participant in a surrounding environment based on environmental data of the surrounding environment of a vehicle, wherein the vehicle has at least one component for presenting the information. The method also includes determining a mode of the at least one component for presenting information based on the amount of information, and presenting on-board information using the determined mode. The method can adjust the brain load of the driver by controlling the information amount presented in the traffic control tool so that the driver can keep proper situational awareness, thereby improving the driving safety.
Description
Technical Field
Embodiments of the present disclosure relate generally to the field of computers and, more particularly, relate to methods, apparatuses, computer-readable storage media, and computer program products for presenting on-board information.
Background
During driving of a vehicle such as an automobile, the driving assistance system may collect and/or receive various context information in the driving environment, including various information such as roads, environments, pedestrians, road identifications, and devices. An on-vehicle information presentation system in a vehicle may present such contextual information and/or other information on one or more presentation components to assist in other activities such as driving and entertainment of a user in the vehicle. Unlike information presentation in a non-driving environment (such as indoors), information presentation on a vehicle includes dynamic environment information, and safety of a driver during driving needs to be considered, and thus, an information presentation scheme suitable for a vehicle is required.
Disclosure of Invention
Embodiments of the present disclosure provide schemes for presenting on-board information.
In a first aspect of the present disclosure, a method of presenting on-board information is provided. The method comprises the following steps: determining an amount of information of a traffic participant in a surrounding environment based on environmental data of the surrounding environment of a vehicle, the vehicle having at least one component for presenting the information; determining a mode of the at least one component for presenting information based on the amount of information; and using the determined pattern to present the on-board information.
In a second aspect of the present disclosure, an electronic device is provided. The electronic device includes: at least one processing unit; and at least one memory coupled to the at least one processing unit and storing instructions for execution by the at least one processing unit, the instructions when executed by the at least one processing unit causing the device to perform actions. The actions include: determining an amount of information of a traffic participant in a surrounding environment based on environmental data of the surrounding environment of a vehicle, the vehicle having at least one component for presenting the information; determining a mode of the at least one component for presenting information based on the amount of information; and using the determined pattern to present the on-board information.
In some embodiments of the second aspect, the environmental data is first environmental data, the information amount is a first information amount, the pattern is a first pattern, and the acts further comprise: after presenting the on-board information using the first mode, determining a second amount of information for the traffic participant in the surrounding environment based on second environmental data for the surrounding environment; determining a second mode of the at least one component for presenting information based on the second amount of information in response to an amount of change in the second amount of information relative to the first amount of information exceeding a predetermined threshold; and presenting the on-board information using the determined second mode.
In some embodiments of the second aspect, determining the second mode comprises: adjusting a reference threshold for determining a mode of presenting information based on the first amount of information and the second amount of information; and determining a second mode based on the adjusted reference threshold, and the second amount of information.
In some embodiments of the second aspect, adjusting the reference threshold for determining the mode of presenting the information comprises: in response to the second amount of information being greater than the first amount of information, reducing the reference threshold; and increasing the reference threshold in response to the second amount of information being less than the first amount of information.
In some embodiments of the second aspect, the at least one component comprises a plurality of components, and determining the pattern comprises: the mode in which the plurality of component users present the information is determined based on the amount of information and the degree to which the plurality of components each affect the driver.
In some embodiments of the second aspect, determining a mode of the plurality of components for presenting the information comprises: determining an information presentation amount of each of the plurality of components when presenting information in the environment data based on the information amount and the degree of influence; determining a subset of the plurality of components based on the information presentation amount such that, among all subsets of the plurality of components, a difference between a sum of information presentation amounts of the components in the subset and a reference threshold is minimized when presenting information in the environment data; and determining components in the subset as components that present information in the environmental data in the schema.
In some embodiments of the second aspect, determining the subset of the plurality of components comprises: taking all of the plurality of components to determine as a subset to determine a sum of the information presentation amounts; determining whether the sum is greater than a reference threshold; and in response to the sum being greater than the reference threshold, excluding one component from the subset; re-determining the sum of the information presentation amounts; and determining whether the re-determined sum is greater than a reference threshold.
In some embodiments of the second aspect, determining the pattern further comprises: determining a third amount of information of the traffic participant in the surrounding environment that satisfies the predetermined condition based on the environmental data; and determining a pattern based on the amount of information and the third amount of information.
In some embodiments of the second aspect, determining the pattern based on the amount of information and the third amount of information comprises: determining a first sub-mode of the mode based on the third amount of information, the first sub-mode for presenting information of the traffic participant meeting the predetermined condition; and determining a second sub-mode of the mode based on the amount of information and the third amount of information, the second sub-mode being for presenting information of the traffic participant that does not satisfy the predetermined condition.
In a third aspect of the present disclosure, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a device, causes the device to perform a method according to the first aspect of the present disclosure.
According to a fourth aspect of the present disclosure, a computer program product is provided. The computer program product comprises a computer program which, when executed by a processor, implements a method according to the first aspect of the present disclosure.
It should be noted that this summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
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The foregoing and other objects, features, and advantages of the disclosure will become more apparent from the following more particular description of exemplary embodiments of the disclosure, as illustrated in the accompanying drawings in which:
FIG. 1 illustrates a schematic diagram of an example environment in which various embodiments of the present disclosure may be implemented;
FIG. 2 illustrates a flowchart of an example method for presenting on-board information, according to some embodiments of the present disclosure;
FIG. 3 illustrates a flowchart of an example method for adjusting presentation of on-board information, according to some embodiments of the present disclosure;
FIG. 4 illustrates a schematic diagram reflecting a driver's brain load condition when presenting on-board information according to some embodiments of the present disclosure;
FIG. 5 illustrates a flowchart of an example method of determining a subset of components for presenting environmental information, in accordance with some embodiments of the present disclosure; and
fig. 6 shows a schematic block diagram of a device that may be used to implement embodiments of the present disclosure.
The same or similar reference numbers will be used throughout the drawings to refer to the same or like elements.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure have been illustrated in the accompanying drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
The term "including" and variations thereof as used herein is intended to be inclusive in an open-ended fashion, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment". Related definitions of other terms will be given in the description below.
When the amount of information in the driving environment is low, for example, in long distance driving where the road condition is simple and/or the traffic density is low, the brain load of the driver may be reduced, resulting in a reduction in situational awareness. Especially when the driver turns on the assisted driving or the higher level automatic driving, the reduction in driving behavior may cause a further decrease in the brain load of the driver. This may result in a driver failing to deal with in time when a manual takeover is required or an emergency situation occurs, ultimately leading to the occurrence of a safety accident.
Some conventional solutions may limit certain functions of the on-board system (such as the display of entertainment information) upon detecting a condition in the environment that requires driver handling (such as a curve in front), thereby prompting the driver and forcing the driver to divert attention to the driver. However, these solutions do not address the severe brain load changes that may be caused by an emergency, and the safety risk of the driver from a low level of attention to an emergency remains.
To at least partially address the above-referenced problems and other potential problems, embodiments of the present disclosure propose a solution for presenting on-board information. The solution actively adjusts the information presentation mode on the information presentation means in the vehicle in accordance with the amount of information that the driver can accept in order to maintain the appropriate brain load required for safe driving. More specifically, during driving of a vehicle, embodiments of the present disclosure analyze a variety of context information in different directions in the surrounding environment of the vehicle and determine an amount of information in the environment (e.g., based on the number of traffic participant objects in the environment). Based on the amount of information, and in some embodiments also based on the degree of impact on the driver of the various components on the vehicle used to present the information, embodiments of the present disclosure may determine a presentation mode of the information on at least one component in the vehicle such that the amount of information presented is relatively stable at a desired level required for safe driving.
By using the scheme to determine and adjust the presentation of the on-board information during driving of the vehicle, the brain load of the driver can be maintained around the ideal level more stably. Therefore, fatigue caused by long-time overhigh brain load of the driver can be avoided, and the driver can keep proper situational awareness so as not to ignore risks in the environment or can not respond in time, thereby improving the driving safety. The schemes of the present disclosure differ from conventional schemes that focus on prompting a driver for conditions to be treated, and may be used in conjunction with these schemes so that the driver can react in time to the prompted conditions.
Fig. 1 illustrates a schematic diagram of an example environment 100, according to an embodiment of the disclosure. In this example environment 100, a vehicle 110 may include a data acquisition system 120. For example, the data acquisition system 120 may be an Advanced Driving Assistance System (ADAS) and/or an Automated Driving (AD) system on the vehicle 110, or a portion thereof. The data acquisition system 120 may use a plurality of sensors (not shown) distributed throughout the vehicle 110 to sense data (hereinafter also referred to as environmental data) including ambient environmental information of the vehicle 110. Examples of such sensors may include, but are not limited to, millimeter wave radar, lidar, automatic positioners, and/or on-board cameras, among others. The data acquisition system 120 may also receive data including environmental information from a remote system, such as a real-time traffic information service.
The data acquisition system 120 may further process the acquired raw data to generate more data. For example, the data acquisition system 120 may fuse the multi-modal data to generate perceptually fused data (such as fused video) that is more suitable for analysis and/or presentation to humans. For example, the data acquisition system 120 may fuse the image from the camera with a feature map of the point cloud data from the lidar and perform one-step analysis and detection to generate data that includes more useful information (such as safety prompts presented to the driver).
The vehicle 110 may also include at least one component 130 for presenting information to passengers (e.g., driver 150) within the vehicle 110. Although four components 130-1, 130-2, 130-3, and 130-4 for presenting information (hereinafter collectively or individually referred to as components 130) are shown in FIG. 1 for purposes of example, it should be understood that the vehicle 110 may also include more or fewer components 130 (e.g., may include only one component 130, such as only component 130-1). Examples of components in component 130 may include, but are not limited to, dashboards, vehicle systems (head units), head-up displays (head-up displays), voice-alert systems, and atmosphere lights, among others. The component 130 may present various types of information to passengers (such as the driver 150) within the vehicle, including, but not limited to, visual information, audible information, and/or tactile information, among others. For example, the component 130 may present the driver 150 with information in the environmental data provided by the data acquisition system 120.
The presentation of information in component 130 may be controlled by control system 140. Control system 140 may receive information from data acquisition system 120, determine a mode in which component 130 is presented information, send control commands to component 130, and so forth. Although in fig. 1, the control system 140 is shown as being located within the vehicle 110 (e.g., including or implemented on-board equipment within the vehicle 110). It should be understood that the control system 140 may also be located external to the vehicle 110 and communicable with the vehicle 110 (e.g., over a wireless network). Thus, the control system 140 may include or be implemented on any electronic device having computing capabilities, including a terminal device or a server device. Examples of such electronic devices include, but are not limited to, servers, mainframes, edge computing nodes, terminal devices (such as smartphones, personal computers, etc.), computing devices in cloud environments (such as virtual machines), and the like.
It should be understood that the structure and function of environment 100 are described for illustrative purposes only and are not meant to suggest any limitation as to the scope of the disclosure. The entities and functions in environment 100 may be distributed in a different manner than illustrated. For example, in some embodiments, the control system 140 may be integrated with the data acquisition system 120 in a central control system within the vehicle 110. In other embodiments, some of the computing functions of the data acquisition system 120 may be performed by the (e.g., remotely located) control system 140. The environment 100 may also include devices, components, and other entities not shown in fig. 1.
As used herein, a vehicle refers to any type of motorized or non-motorized vehicle that is capable of carrying a person and/or object and that is movable. In the figures and description herein, the vehicle 110 is illustrated as a vehicle, examples of which include, but are not limited to, automobiles, trucks, buses, electric vehicles, motorcycles, and the like. However, it should be understood that a vehicle is only one example of a vehicle. Embodiments of the present disclosure are also applicable to vehicles other than vehicles, such as boats, trains, and planes, among others. Embodiments of the present disclosure are not limited to the specific scenario depicted in fig. 1, but rather are generally applicable to any technical environment of a vehicle having an on-board information presentation component.
Fig. 2 illustrates a flowchart of an example method for presenting on-board information, according to some embodiments of the present disclosure. The method 200 may be performed, for example, by the control system 140 as shown in fig. 1. It should be appreciated that method 200 may also include additional actions not shown, the scope of the present disclosure being not limited in this respect. For ease of discussion, the method 200 is described in detail below in connection with the example environment 100 of FIG. 1.
At block 210, an amount of information for a traffic participant in a surrounding environment is determined based on environmental data for the surrounding environment of a vehicle, wherein the vehicle has at least one component for presenting information. For example, the control system 140 having at least one component 130 for presenting information may determine an amount of information of traffic participant objects in the surrounding environment based on environmental data of the surrounding environment of the vehicle. In the context of this document, a traffic participant may be an entity in the surrounding environment of a vehicle that has a direct or indirect relationship to traffic, including but not limited to roads and special portions thereof (e.g., intersections and turns, etc.), pedestrians, other vehicles, road blocks, traffic identifications, and/or other objects in the surrounding environment.
In some embodiments, the control system 140 may determine the amount of information of the traffic participant based on environmental data (e.g., fusion data) collected and/or generated by the data acquisition system 120. In some embodiments, control system 140 may identify a number of traffic participant objects in the environmental data and use the number as a measure reflecting the amount of information. For example, the control system 140 may identify the number of different traffic participant objects that appear in the environment within the most recent predetermined period of time as a measure reflecting the amount of information. In some embodiments, the control system 140 may determine the amount of information based on the changing conditions of the traffic participant (e.g., using an information entropy model) over a recent predetermined period of time. In other embodiments, the control system 140 may also quantify information of traffic participant objects in the environment based on other suitable means.
At block 220, a mode of at least one component for presenting information is determined based on the amount of information of the traffic participant. For example, the control system 140 may determine a mode for presenting information by the at least one component 130 based on the amount of information determined at block 210. The schema may include, for example, which component(s) of the plurality of components 130 to use to present traffic participation object information, the ratio between traffic participation object information presented by each component 130 and other information (e.g., entertainment information), and the level of detail at which the components 130 present the information, and so forth. In some embodiments, in conjunction with or in addition to this mode, control system 140 may also specify default information that must be presented on component 130.
In some embodiments, the vehicle 110 may include only one component 130 that presents information (e.g., a voice prompt system). In some embodiments, the pattern determined by the control system 140 from the amount of information may include the amount of information presented by the component 130, such as what arrangement and level of detail the aspects of the traffic participant should be presented. For example, the control system 140 may determine whether a certain type of traffic participant is presented as a point or polygon on the component 130. For example, control system 140 may determine the proportion of the window of component 130 that presents the traffic participant on the visual interface of component 130. For example, control system 140 may determine the type of traffic participant that component 130 uses speech to prompt, and/or the number of repetitions of prompting the traffic participant. The control system 140 may also determine a combination of any of the foregoing example aspects and other aspects. In this way, where the vehicle 110 includes only one component 130, the control system 140 may likewise determine different modes for presenting information for this component 130 based on different amounts of information, such that the aspects of the present disclosure are also applicable to scenarios for one component, improving the applicability and scope of the techniques of the present disclosure.
In some embodiments, the vehicle 110 may include a plurality of components 130 (e.g., a dashboard, a vehicle system, a heads-up display, a voice prompt system, etc.). Due to the location, size, various aspects of the information that can be presented, and/or the form of presentation of the information (e.g., graphical interface, sound, and/or visible light, etc.) of the various ones of the components 130, these components 130 may have varying degrees of impact on the situational awareness of the driver 150. For example, voice prompts for the same information may increase the situational awareness of the driver 150 more than prompting the road conditions on a dashboard (e.g., in the form of text or a warning light). In such an embodiment, the control system 140, in determining the mode for the plurality of components 130 for presenting information, may be based on the degree of influence of each of the components 130 on the driver in addition to the amount of information. In some embodiments, control system 140 may assign different weights to each of components 130 to reflect different degrees of influence of the respective components. By using multiple components to present information to the driver, the richness of the presented information can be improved, thereby improving the driving experience. An example implementation of determining a mode of presenting information for the plurality of components 130 is described in more detail below in connection with the example of fig. 5.
In some embodiments, control system 140 may use a reference threshold to determine the presentation mode. The reference threshold is the total amount of environmental information that should be presented in order for the driver to maintain an ideal brain load (and thus, maintain ideal situational awareness). Control system 140 may determine the presentation mode in a manner such that the environmental information presented by component 130 approaches a reference threshold. Determining a mode for information presentation based on a reference threshold is described in more detail below in connection with the examples of fig. 3 and 5.
Fig. 2 is now continued. At block 230, the determined mode is used to present on-board information. For example, the control system 140 may cause the component 130 to present the on-board information in the determined mode (e.g., by sending instructions to the component 130), such as presenting the environmental information that the component is capable of presenting on only the determined subset of components. The method 200 is used to present information taking into account the impact of the amount of information on the situational awareness of the driver so that the total amount of information presented can be made around the desired level required for safe driving.
Fig. 3 illustrates a flowchart of an example method 300 for adjusting presentation of on-board information, according to some embodiments of the present disclosure. Method 300 may be performed after determining and using the mode of presenting information at least once according to method 200. It should be appreciated that method 300 may also include additional actions not shown, the scope of the present disclosure being not limited in this respect. The method 300 may be performed, for example, by the control system 140 as shown in fig. 1. For ease of discussion, the method 300 is described in detail below in connection with the example environment 100 of FIG. 1.
At block 310, control system 140 may use component 130 to present the on-board information in the determined current mode (e.g., the mode determined in method 200, also referred to as the first mode). The current mode may be the mode in which control system 140 is being applied to component 130. The control system 140 may have determined a previous amount of information (also referred to as a first amount of information) for the traffic participant therein based on previous environmental data (also referred to as first environmental data) at a previous point in time according to the method 200, and in turn determine the current mode based on the previous amount of information, and is using the component 130 to present information in the current mode.
In some embodiments, control system 140 may use the number of traffic participant objects as a measure of the amount of information as previously described. In some such embodiments, for example, when the vehicle 110 has one component 130 as an in-vehicle system, based on the number of traffic participant objects in the previous environmental data falling within a particular interval (e.g., a total number greater than 50), the vehicle 110 may determine the first mode to only display each of the traffic participant objects in a certain proportion (e.g., 80%) of the environmental data closest to the vehicle 110 as a moving or stationary point on the in-vehicle system (e.g., on a real-time map displayed by the in-vehicle system) and is currently using that mode to present information.
As another example, where the vehicle 110 has multiple components 130, the control system 140 may determine the current mode to present traffic participant information using only built-in default settings of the dashboard. In this case, for example, the control system 140 may quantify the amount of information presented by each component (such as the product of the number of uses and the weight) based on the number of traffic participant objects and the weight assigned to each component 130. The control system 140 may then select a subset of the components 130 for which the sum of the information presentation amounts is close to the reference threshold to present the traffic participant information. Example methods and steps of selecting which component 130 or components should be used in a mode to present traffic participant information are described in more detail below and in conjunction with fig. 5. In some embodiments, in conjunction with or in addition to this mode, control system 140 may also specify default information that must be presented on component 130.
Thereafter, at block 320, the control system 140 may determine an updated amount of information (also referred to as a second amount of information) for the traffic participant in the surrounding environment based on the updated environmental data (also referred to as second environmental data) for the surrounding environment. For example, the control system 140 may determine the updated amount of information in the manner described above in connection with block 210. In some embodiments, the control system 140 may periodically determine the updated amount of information based on newly acquired environmental data (e.g., environmental data acquired during a recent predetermined length of time). In other embodiments, the control system 140 may determine the updated amount of information in response to some detectable change in the traffic participant (e.g., detecting that other vehicles are within a certain range of the distance vehicle 110).
At block 330, the control system 140 may determine whether the amount of change in the updated amount of information relative to the previous amount of information exceeds a predetermined threshold (e.g., the number of traffic-participant changes by more than 10%). If the amount of change does not exceed a predetermined threshold, such as when the amount of information in the environment changes little, control system 140 may cause component 130 to continue to present the information in the current mode without redefining the presentation mode. In this way, unnecessary operations when the brain load of the driver is not greatly changed can be avoided, thereby saving the calculation resources. On the other hand, the manner in which the component 130 presents the information may also be provided with a certain stability, so as to avoid the degradation of the user experience caused by too frequent changes in the manner in which the information is presented.
If the amount of change in the updated amount of information relative to the previous amount of information exceeds a predetermined threshold, the method 300 proceeds to block 340. At block 340, the control system 140 may determine an update mode (also referred to as a second mode) for presenting the information for the at least one component based on the updated amount of information. For example, control system 140 may determine the update mode for component 130 for presenting information in the manner described above in connection with block 220. Again, taking the vehicle 110 as an example with one component 130 of the vehicle system. In this example, the control device may determine an update mode that is different from the current mode based on the number of traffic participant objects in the updated environmental data falling within a new interval before. For example, when the number of traffic participant objects decreases and falls within the interval of 10-50, the update mode may be to display each of all of the traffic participant objects in the environment data as points. For example, when the number of traffic participant objects is less than 10, the update mode may be to display each of all the traffic participant objects in the environment data as a polygon.
Similarly, in some embodiments having multiple components 130, for example, the control device 150 may again perform the step of selecting components (e.g., as described with respect to fig. 5) to determine the update mode. For example, the update mode may be to display information of the traffic object with respective built-in default settings using both the dashboard and the in-vehicle system.
In some embodiments, the control system 140 treats the presented traffic participant information as a primary factor in causing an increase or decrease in driver situational awareness and adjusts the presentation mode accordingly such that the environmental information presented by the component 130 is always near the ideal reference threshold during driving of the vehicle 110. In other embodiments, the control system 140 may also take into account the brain load of the environment when traffic participant objects are perceived directly by the driver when determining the information presentation mode. In such embodiments, the control system 140 may also adjust the reference threshold for determining the mode of presenting information based on the previous amount of information and the updated amount of information such that the sum of the amount of traffic participant information directly perceived by the driver 150 from the environment and the amount of information presented by the component 130 about the traffic participant is near likely to approach the ideal level.
In some embodiments that adjust the reference threshold, the control system 140 may decrease the reference threshold when the amount of updated information is greater than the amount of previous information, or increase the reference threshold when the amount of updated information is less than the amount of previous information. The control system 140 may then determine an update pattern based on the adjusted reference threshold, and the amount of information updated, such that the sum of the amounts of information presented by the component 130 is as close as possible to the adjusted reference threshold when presenting information in the updated environmental data. In this way, upon detecting a decrease or increase in the amount of information of the surrounding environment, the total amount of information presented on the on-board information system may be correspondingly increased or decreased so that the total amount of environmental information received by the driver is maintained at a relatively stable level.
At block 350, control system 140 may present the on-board information using the determined update pattern. It should be appreciated that during travel of the vehicle 110, the control system 140 may also continue to analyze the environmental data for changes in the amount of information of the traffic participant and re-determine the presentation mode of the on-board information when the amount of change exceeds a threshold value and use the newly determined mode to present the information.
In some embodiments, during travel of the vehicle 110, an onboard system (e.g., the data acquisition system 120) may detect certain traffic participant objects in the environment that meet certain conditions (hereinafter referred to as high priority traffic participant objects). For example, a high priority traffic participant may be an object that may have some interaction with the vehicle 110, such as a pedestrian ahead, and/or other vehicle that is changing lanes, etc. Low priority traffic participant that does not meet the predetermined condition, while in the surroundings of the vehicle 110, has less impact on the vehicle 110. One non-limiting example of a low priority traffic participant may be a vehicle on the other side of a high speed belt. The particular predetermined conditions may depend on a variety of factors associated with the type of vehicle 110, the type of environment, etc., and the scope of the present disclosure is not limited in this respect.
The high priority traffic participant has a greater impact on the brain load of the driver than the low priority traffic participant. In such embodiments, the control system 140 may also take into account the amount of information of traffic participant objects in the surrounding environment that meet the predetermined condition when determining the information presentation mode as described above (e.g., the current mode and the update mode described above).
In some embodiments, in determining the information presentation mode, the control system 140 may also determine a high-priority information amount (also referred to as a third information amount) of the high-priority traffic participant in the surrounding environment that satisfies the predetermined condition as described above based on the environmental data. Then, the control system 140 may determine a high-priority rendering sub-mode (also referred to as a first sub-mode) of the information rendering mode for rendering information of the traffic participant that satisfies the predetermined condition based on the high-priority information amount. The control system 140 may also determine a low priority rendering sub-mode (also referred to as a second sub-mode) of the information rendering mode for rendering information of the low priority traffic participant that does not satisfy the predetermined condition based on the total information amount of the traffic participant and the high priority information amount. The control system 140 may determine the sub-mode in a manner similar to that described previously for determining the presentation mode.
The control system 140 may also adjust the low priority rendering sub-mode based on the total amount of information of the traffic participant and the ratio of the low priority information amounts therein. For example, when the ratio of the total information amount to the low priority information amount is high, the control system 140 may present only the information of the lowest low priority traffic participant, instead of calculating the low priority presentation sub-pattern based on the information amount thereof in the manner described above, so that excessive presentation of unnecessary information can be avoided. In some embodiments where the vehicle 110 includes a plurality of components 130, the control system 140 may also similarly consider the extent to which each of the plurality of components 130 affects the driver when determining the sub-mode, as previously described.
The information presentation mode determined in consideration of the condition of the traffic participant can more accurately adjust the brain load of the driver. For example, when the total information of the traffic participant is high, but the information amount of the high-priority traffic participant is low, the information display of the high-priority traffic participant may be enhanced. Thereby, insufficient situational awareness due to low influence of low priority traffic participant on the brain load of the driver can be avoided.
When used in conjunction with method 200, method 300 may actively adjust the brain load of a driver of a vehicle by adjusting the amount of information on an on-board information presentation component such that the driver's brain load may be maintained relatively stably near an ideal level. In this way, the driver can be prevented from being fatigued too much and maintain proper situational awareness to deal with emergencies in time and/or situations requiring manual takeover in automatic driving, thereby improving driving safety. By way of illustration, fig. 4 shows a schematic diagram 400 of sequencing, the diagram 400 showing a schematic relationship between driver brain load and traffic participant information volume in the surrounding environment when information on a vehicle is presented using an embodiment of a method according to the present disclosure (e.g., method 200, method 300, and method 500 below).
In the graph 400, the horizontal axis 410 indicates the amount of information of the traffic participant, and the vertical axis 420 indicates the change in the brain load of the driver. As shown by line 430, when the information presentation amount is actively adjusted without using the scheme of the present disclosure, when the traffic participation object information amount is small, the brain load of the driver is in a low state, so that sufficient situational awareness may not be maintained. While as the amount of information increases, the amount of unregulated information presentation will also increase, and the brain load of the driver may be overloaded.
In contrast, as shown by line 440, using the present disclosure to determine and adjust the presentation mode of the on-board information may enable the driver's brain load to remain at a steady level (i.e., near the level required to maintain proper situational awareness) regardless of changes in the amount of traffic participant information. Through the embodiment of the disclosure, fatigue of a driver caused by long-time overhigh brain load can be avoided, and the driver can keep proper situational awareness so as not to ignore risks in the environment or can not respond in time, thereby improving the driving safety.
It should be understood that the graph 400 only schematically shows the trend of the driver's brain load as a function of the traffic participant and the magnitude of the brain load in both cases, rather than accurately quantifying the values representing the respective amounts. In practice, the relationship between the driver's brain load and the traffic-participant information amount is not necessarily a linear relationship, and the driver's brain load may fluctuate at some steady level, for example, a range around the level illustrated by line 440, when using the scheme of the present disclosure.
In some embodiments where the vehicle 110 includes a plurality of components 130, in determining the presentation mode of the components 130 (e.g., at block 220 in method 200 and at block 340 in method 300), the control system 140 may determine an amount of information presented by each of the components 130 in presenting information in the environmental data based on an amount of information of traffic participant in the environmental data and a degree of influence of each of the components 130. In some embodiments, when the amount of information of a traffic participant is reflected in the number n of the traffic participant and the component 130 is assigned a weight regarding the degree of influence, the control system 140 may calculate the product of the number and the weight of the corresponding component as the amount of information presentation reflecting the component. In other embodiments, the control system 140 may further model the amount of information of the traffic participant, the degree of impact of the component 130, and the amount of information presented by the components more finely to quantify the amount of information presented, and consider default information that should be presented, as well as interference information such as entertainment information, in determining the amount of presentation. In some embodiments, the amount of information and the amount of information presented initially determined by the control system 140 may have different dimensions and may be normalized in subsequent operations as desired. The aspects of the present disclosure are not limited to a particular quantized version of the amount of various information.
The control system 140 may then determine a subset of the components 130 based on the determined amount of information present, and determine the components in the subset as components that present information in the environmental data in the mode. For example, the control system 140 may determine that only the dashboard is used to present environmental information in this mode. In some embodiments, control system 140 may determine the following subset of components 130: among all possible subsets of components 130 (including also subsets containing all of the components 130), the difference between the sum of the information presentation amounts of the components in the subset and the reference threshold is minimal when presenting information in the environment data. An example implementation of determining the subset based on this idea will be described in more detail below in connection with fig. 5. The reference threshold is the total amount of environmental information that should be presented in order for the driver to maintain ideal situational awareness, and the presentation mode determined in this manner may enable the information presented by component 130 to maintain the driver 150 at an ideal level of situational awareness, thereby improving driving safety.
For example, when determining the amount of information of traffic-participant objects based on the number thereof and each of the components 130 is assigned a weight regarding the degree of influence, the control system 140 may solve the subset s of components 130 that minimizes g(s) in the following equation (1):
Wherein s indicates the subset of parts, m indicates the number of traffic participants, n indicates the number of parts in subset s, ω k Indicating the weight of the kth component in subset s, f (m, ω k ) An information presentation amount of a kth component quantized based on the traffic participation object and the component weight is indicated, and α indicates a reference threshold.
FIG. 5 illustrates a flowchart of an example method 500 of determining a subset of components for presenting environmental information, according to some embodiments of the present disclosure. Method 500 may be performed, for example, at block 220 of method 200 and at block 340 of method 300. The method 500 may be performed, for example, by the control system 140 as shown in fig. 1. For ease of discussion, the method 500 is described in detail below in connection with the example environment 100 of FIG. 1.
At block 510, the control system 140 may take all of the plurality of components 130 as a subset of components for presenting information to determine a sum of information presentation amounts for the components in the subset when presenting information in the environmental data (e.g., the previous environmental data and the updated environmental data described previously). The control system 140 may determine the information presentation amount and the sum thereof in a manner as previously described.
At block 520, the control system 140 may compare the determined (e.g., calculated) sum to a reference threshold for determining the information presentation mode to determine whether the sum exceeds the reference threshold. If the sum does not exceed the threshold, the method 500 proceeds to block 550 where the control system 140 determines the components in the current subset as components for presenting the environmental information.
If the sum is greater than the threshold, the method 500 proceeds to block 530. At block 530, in response to the sum being greater than the reference threshold, the control system 140 may exclude one component from the subset. In some embodiments, the control system 140 may exclude components from the subset (e.g., exclude the voice system first, and/or leave the dashboard last, etc.) according to predetermined rules. In some embodiments, the control system 140 may exclude components based on the degree to which each of the components in the subset affects the driver (e.g., exclude the most affected component). In some embodiments, the control system 140 may exclude based on the information presentation amounts of the components (e.g., exclude components having the greatest or smallest amount of information). In other embodiments, the control system may also exclude components in other suitable ways. For example, the control system 140 may calculate the total amount of information presentation of the remaining parts after each part is excluded, respectively, and select the part to be excluded that makes the total amount of information presentation of the remaining parts closest to the reference threshold after being excluded. .
After excluding one component, at block 540, the control system 140 may re-determine the sum of the information presentation amounts of the sub-concentrated components, and the method 500 then returns to block 520, where the control system 140 may compare the re-determined (e.g., re-calculated) sum to a reference threshold to determine whether the re-determined sum is greater than the reference threshold. The control system 140 may iteratively perform blocks 520 through 540 until the sum of the information presentation amounts of the components in the subset does not exceed the threshold.
In one example implementation of method 500, control system 140 may assign weights ω to components 130-1 through 130-4, respectively 1 、ω 2 、ω 3 And omega 4 And designates the reference threshold as α. Further, the control system 140 may take the number n of traffic information participant objects in the environmental data as a measure of the amount of information and use that number with the corresponding component weightsTo measure the information presentation quantity of the component. At the beginning of selecting the subset, the control system 140 first includes all the components 130-1 to 130-4 in the subset, and correspondingly calculates the sum of information presentation amounts n× (ω) when the components in the subset present the environmental information 1 +ω 2 +ω 3 +ω 4 ) Whether greater than a reference threshold alpha. If so, control system 140 excludes a component from the subset, such as component 130-1. The control system 140 then calculates a sum of information presentation amounts, e.g., n× (ω) 2 +ω 3 +ω 4 ) And compares whether it is greater than a reference threshold α. If so, control system 140 again excludes a component from the subset, such as component 130-2. Similarly, the control system 140 will continue to calculate the sum of the information presentation amounts and compare with the reference threshold α until the sum of the information presentation amounts of the components in the subset is not greater than the reference threshold α.
Method 500 provides an example implementation of the operations of determining the information presentation mode of the plurality of components 130 in the determination methods 200 and 300. It should be appreciated that method 500 may also include additional actions not shown, the scope of the present disclosure being not limited in this respect. In some embodiments, after the subset is determined, control system 140 may fine tune the level of detail of the component presentation information in the subset such that the sum is closer to the reference threshold. For example, when all of the components 130 are used to present environmental information at their default settings while the amount of information presented remains below a reference threshold, the control system 140 may specify increasing the details of the information presented in this mode to further increase the amount of information. As an example, the control system may increase the number of voice-prompted traffic participants. For example, where there are no remaining components in the subset, the control system 140 may specify that minimal necessary information (e.g., on the dashboard) be displayed.
Fig. 6 shows a schematic block diagram of an apparatus 500 that may be used to implement embodiments of the present disclosure, and an apparatus 600 may be the apparatus or device described by embodiments of the present disclosure. For example, the control system 140 described with reference to fig. 1 may be implemented by one or more components in the device 600. As shown in fig. 6, the apparatus 600 includes a Central Processing Unit (CPU) 601, which can perform various suitable actions and processes according to computer program instructions stored in a Read Only Memory (ROM) 602 or computer program instructions loaded from a storage unit 608 into a Random Access Memory (RAM) 603. In the RAM 603, various programs and data required for the operation of the device 600 may also be stored. The CPU 601, ROM 602, and RAM 603 are connected to each other through a bus 604. An input/output (I/O) interface 605 is also connected to bus 604. Although not shown in fig. 6, device 600 may also include a coprocessor.
Various components in the device 600 are connected to the I/O interface 605, including: an input unit 606 such as a keyboard, mouse, etc.; an output unit 607 such as various types of displays, speakers, and the like; a storage unit 608, such as a magnetic disk, optical disk, or the like; and a communication unit 609 such as a network card, modem, wireless communication transceiver, etc.
The communication unit 609 allows the device 600 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks. The various methods or processes described above may be performed by the processing unit 601. For example, in some embodiments, the method may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as storage unit 608. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device 600 via the ROM 602 and/or the communication unit 609. When the computer program is loaded into RAM 603 and executed by CPU 601, one or more steps or actions of the methods or processes described above may be performed.
In some embodiments, the methods and processes described above may be implemented as a computer program product. The computer program product may include a computer readable storage medium having computer readable program instructions embodied thereon for performing aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store instructions for use by an instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: portable computer disks, hard disks, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static Random Access Memory (SRAM), portable compact disk read-only memory (CD-ROM), digital Versatile Disks (DVD), memory sticks, floppy disks, mechanical coding devices, punch cards or in-groove structures such as punch cards or grooves having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media, as used herein, are not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., optical pulses through fiber optic cables), or electrical signals transmitted through wires.
The computer readable program instructions described herein may be downloaded from a computer readable storage medium to a respective computing/processing device or to an external computer or external storage device over a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers and/or edge servers. The network interface card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in the respective computing/processing device.
The computer program instructions for performing the operations of the present disclosure can be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object-oriented programming language and conventional procedural programming languages. The computer readable program instructions may be executed 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 kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present disclosure are implemented by personalizing electronic circuitry, such as programmable logic circuitry, field Programmable Gate Arrays (FPGAs), or Programmable Logic Arrays (PLAs), with state information of computer readable program instructions, which can execute the computer readable program instructions.
These computer readable program instructions may be provided to a processing unit of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processing unit of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer readable program instructions may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium having the instructions stored therein includes an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of devices, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two consecutive blocks may in fact be performed substantially in parallel, and they may sometimes be performed in the reverse order, depending on the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvement of the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (12)
1. A method for presenting on-board information, comprising:
determining an amount of information of traffic participant objects in a surrounding environment of a vehicle based on environmental data of the surrounding environment, the vehicle having at least one component for presenting information;
determining a mode of the at least one component for presenting information based on the amount of information; and
the determined pattern is used to present the on-board information.
2. The method of claim 1, wherein the environmental data is first environmental data, the amount of information is a first amount of information, the pattern is a first pattern, and the method further comprises:
determining a second amount of information for traffic participant in the surrounding environment based on second environmental data for the surrounding environment after the on-board information is presented using the first mode;
determining a second mode of the at least one component for presenting information based on the second amount of information in response to an amount of change of the second amount of information relative to the first amount of information exceeding a predetermined threshold; and
the determined second mode is used to present the on-board information.
3. The method of claim 2, wherein determining the second mode comprises:
Adjusting a reference threshold for determining a mode of presenting information based on the first amount of information and the second amount of information; and
the second mode is determined based on the adjusted reference threshold, and the second amount of information.
4. A method according to claim 3, wherein adjusting a reference threshold for determining a mode of presenting information comprises:
reducing the reference threshold in response to the second amount of information being greater than the first amount of information; and
the reference threshold is increased in response to the second amount of information being less than the first amount of information.
5. The method of claim 1, wherein the at least one component comprises a plurality of components, and determining the pattern comprises:
a mode of the plurality of component users for presenting information is determined based on the amount of information and the degree of influence of each of the plurality of components on the driver.
6. The method of claim 5, wherein determining a mode in which the plurality of components are to present information comprises:
determining an information presentation amount of each of the plurality of components at the time of presenting the information in the environment data based on the information amount and the influence degree;
Determining a subset of the plurality of components based on the information presentation amounts such that, among all subsets of the plurality of components, a difference between a sum of information presentation amounts of components in the subset and a reference threshold is minimized when presenting information in the environment data; and
the components in the subset are determined to be components that present information in the environmental data in the mode in which the plurality of components are used to present information.
7. The method of claim 6, wherein determining the subset of the plurality of components comprises:
determining all of the plurality of components as the subset to determine the sum of the information presentation amounts;
determining whether the sum is greater than the reference threshold; and
responsive to the sum being greater than the reference threshold:
excluding a component from the subset;
re-determining the sum of the information presentation amounts; and
it is determined whether the sum of the re-determinations is greater than the reference threshold.
8. The method of claim 1, wherein determining the pattern further comprises:
determining a third amount of information of traffic participant objects in the surrounding environment that satisfy a predetermined condition based on the environmental data; and
The pattern is determined based on the amount of information and the third amount of information.
9. The method of claim 8, wherein determining the pattern based on the amount of information and the third amount of information comprises:
determining a first sub-mode of the mode based on the third amount of information, wherein the first sub-mode is for presenting information of traffic participant that satisfies the predetermined condition; and
a second sub-mode of the mode is determined based on the amount of information and the third amount of information, wherein the second sub-mode is used to present information of traffic participant that does not satisfy the predetermined condition.
10. An electronic device, comprising:
at least one processing unit; and
at least one memory coupled to the at least one processing unit and storing instructions for execution by the at least one processing unit, which when executed by the at least one processing unit, cause the apparatus to perform the method of any one of claims 1 to 9.
11. A computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method according to any of claims 1 to 9.
12. A computer program product comprising a computer program which, when executed by a processor, implements the method according to any one of claims 1 to 9.
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