WO2020137089A1 - Information display device and information display method for automobile - Google Patents

Information display device and information display method for automobile Download PDF

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Publication number
WO2020137089A1
WO2020137089A1 PCT/JP2019/040178 JP2019040178W WO2020137089A1 WO 2020137089 A1 WO2020137089 A1 WO 2020137089A1 JP 2019040178 W JP2019040178 W JP 2019040178W WO 2020137089 A1 WO2020137089 A1 WO 2020137089A1
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WIPO (PCT)
Prior art keywords
information
display
character string
moving image
graphic element
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PCT/JP2019/040178
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French (fr)
Japanese (ja)
Inventor
内田　仁
俊喜 清水
秋▲好▼ 林
潤爾 大山
Original Assignee
スズキ株式会社
国立研究開発法人産業技術総合研究所
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Publication of WO2020137089A1 publication Critical patent/WO2020137089A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/32—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory with means for controlling the display position
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/37—Details of the operation on graphic patterns
    • G09G5/377—Details of the operation on graphic patterns for mixing or overlaying two or more graphic patterns

Definitions

  • the present invention relates to an automobile information display device, and more particularly to an information display device and an information display method for a driver who is driving a vehicle.
  • HMI Human Machine Interface
  • Patent Document 1 proposes a method for achieving both rough information transmission and monitoring of forward and peripheral traffic by using a visual display with a low temporal/spatial frequency that can be perceived by a human peripheral visual field.
  • a visual display with a low temporal/spatial frequency that can be perceived by a human peripheral visual field.
  • the present invention has been made in view of the above situation, and an object thereof is to promote the movement of the line of sight to the character information displayed in the peripheral visual field area, reduce the time required for reading, and obtain various information.
  • An object of the present invention is to provide an information display device and an information display method that can be efficiently transmitted.
  • the present invention is an information display device for a driver of an automobile, a function of horizontally displaying information in a peripheral visual field region outside a central visual field during driving, and the character string.
  • An information display device for an automobile which is configured so as to be enlarged and then reduced and disappear, and the character string is displayed together with the reduced and disappeared.
  • the transition moving image of the geometrical graphic element is displayed at the start of information display in the peripheral visual field outside the central visual field of the vehicle driver, thereby Due to the change and brightness of the transition video with the change of the lateral width over time, in addition to the noticeability of information display and the attractiveness, the improvement of the cognitive performance such as the character reading speed and accuracy after the eye movement, the information,
  • the time from the start of presentation to the completion of recognition can be expected to be shortened, and the psychological burden required for recognition can be expected to be reduced.
  • FIG. 6 It is a block diagram which shows the information display system of a motor vehicle. It is a schematic diagram showing an information display section around the front window.
  • 6 is a frame display image showing information display according to the embodiment of the present invention. It is the display image (a) of the character string which comprises the information display which concerns on embodiment of this invention, a transition moving image (b), and the display image (c) which combined them. 6 is a graph showing the relationship between the passage of time and the amount of information. It is a graph which shows the relationship between time passage and the amount of information and information comprehension.
  • 3 is a graph showing a frame display image (a) showing information display according to the embodiment of the present invention, its luminance change (b), and luminance change (c) of different examples.
  • 9 is a frame display image showing another embodiment of information display according to the present invention.
  • 7 is a frame display image showing another embodiment of information display according to the present invention.
  • 9 is a frame display image showing a modified example of information display according to the present invention.
  • FIG. 1 is a block diagram showing an information display system for a vehicle in which the present invention can be implemented.
  • the vehicle is an external sensor group such as a radar, a camera, and LIDAR, and a vehicle speed sensor, a yaw rate sensor, an acceleration sensor, etc. It is equipped with a detection means 4 composed of a group of internal sensors, and an in-vehicle system 3 for performing traveling control such as ACC and LKA, driving assistance, and failure detection based on the detection information, and the control information thereof.
  • Driver presentation information such as vehicle information and warnings is sent to the display information processing device 1 via the in-vehicle network 5.
  • the display information processing device 1 stores a communication interface that receives presentation information for drivers, a program and data (character strings, pictograms, image data) for generating image data to be displayed corresponding to the content of the presentation information.
  • the display image is updated at a predetermined refresh rate.
  • the display image is updated at a predetermined refresh rate.
  • the software configuration of the display information processing device 1 is as follows: input information processing for allocating display data stored in a data table corresponding to a transmitting device to presentation information (display information code) received via a communication interface, transition The display device 2 is controlled so as to generate a display image by superimposing or synthesizing the transitional moving image on the character information, including the moving image generation (reproduction).
  • the display device 2 is preferably a display device including a display screen by a dot matrix such as LCD and OLED, and displays the display image generated by the display information processing device 1 to the driver, and as shown in FIG.
  • the present invention can be preferably applied to a display device located in the peripheral visual field outside the central visual field 20 while the driver is driving, for example, a projection type head-up display (HUD) that projects the display image 21 on the front window 10.
  • HUD head-up display
  • a head up display 22 of a combiner type installed on the upper part of the instrument panel 11, a display of a meter cluster 23, a display 24 of a car navigation system, and a rearview mirror 12 are incorporated.
  • the present invention can be applied to a rear-view mirror monitor, a side-mirror monitor incorporated in the side-mirror 13, a front pillar window 14 (HUD, mirror monitor), a drive recorder display (not shown), and the like.
  • the display information processing apparatus 1 displays “forward” on the display unit 25 of the display apparatus 2 as described above, as the presentation information for the driver along with the occurrence of the event (information reception from the in-vehicle system 3 side).
  • a horizontally written character string 6 such as "Caution”
  • it has a function of superimposing or synthesizing a transition moving image 7 by a geometric figure element on the character string 6 at the start of displaying the character string 6. ..
  • the transition moving image 7 is shown as four frames for convenience in FIG. 3, but the number of frames actually displayed corresponds to the refresh rate (frame rate) of the display information processing device 1 and the display device 2, and will be described later. As described above, since the display time is extremely short, the number of images is relatively small, for example, but not limited to, for example, about 5 to 15 frames.
  • a white character string and a transitional moving image are displayed on a black background, but in the head-up display, the black portion is the background outside the vehicle seen through the transparent glass.
  • FIG. 3 shows a transitional moving image 7 of a typical pattern, in which the width of the rectangular graphic element (7) filled in with the same color as the character string 6 is the maximum value (from the start value (reference numeral 7′ in FIG. 3)). It is configured to gradually expand to the reference numeral 7) and then gradually shrink and disappear, and gradually display the character string 6 with the reduction and disappearance of the graphic element (7).
  • the graphic element (7) is , Expands from the left side, which is the start side in the writing direction (left to right) of the horizontally written character string 6, to the right side, which becomes the end side after reaching the maximum value where all the character strings 6 are hidden. Disappears.
  • the rectangular graphic element indicated by reference numeral 7 appears from the left side which is the starting end side of the horizontal writing character string 6 in the writing direction, moves toward the right side and disappears, or the display area. It is a form that fades in from the left side and fades out to the right side.
  • the advantage of this pattern is that the character strings 6 are displayed in a direction in which they are read one by one from the left side, which is the reading side of the character strings 6, from the state in which the character strings 6 are all covered.
  • Fig. 4 shows the transition animation disassembled and arranged vertically.
  • a still image of the character string “Attention” is displayed as shown in FIG. 4A, and at the same time, a rectangular graphic element as shown in FIG. 4B is moved in the writing direction.
  • a display image as shown in FIG. 4C is generated.
  • the character string is prepared as a still image (character data, font data) corresponding to the information presented to the driver, and by preparing only a very short transitional moving image (still image of a predetermined number of frames) separately, It becomes possible to display information having a transition video, and it is also possible to display transition videos of different patterns depending on the type of presentation information.
  • the presentation information output from the in-vehicle system 3 may include identification data that is classified according to information content such as urgency and severity, as well as data that determines an image such as a character string or pictogram to be displayed.
  • the display information corresponding to the presentation information can be displayed by providing the display information processing device 1 with a reference table that defines the relationship between the information classification and the display content and the image data such as character strings and pictograms and the transition image. It may be determined by the information processing device 1.
  • the character string 6 (display information) and the transition moving image 7 are superimposed or combined and displayed on the display unit 25 of the single display device 2 has been described.
  • the character string 6 is displayed on one display part of the two display devices (first and second display devices) which are controlled and the display parts are stacked and the transition video 7 is displayed on the other display part on the front side. It can also be configured to display.
  • the character string 6 from one of the two adjacent projection-type head-up displays and the transition moving image 7 from the other to the same position. That is, the character string 6 (display information) and the transition video 7 can be superimposed or combined in a display space by a plurality of hardware independent display devices. For example, the existing character string 6 (display information) is displayed.
  • the display device 2 for displaying the transition video 7 can be added to the display device of FIG.
  • the information display device according to the present invention can also be implemented in a mode in which one display information processing device 1 controls a plurality of display devices 2 (display units, indicators). Further, the information display device according to the present invention can be applied to a vehicle other than a four-wheeled vehicle, such as a two-wheeled vehicle or a small mobility vehicle, which needs to display information to a driver or an occupant.
  • FIG. 5 is a graph showing the relationship between the elapsed time of information display and the amount of information in the example of the present invention and the comparative example, and the solid line shows the transition moving image together with the character string as shown in FIG.
  • the time variation of the information amount of Example 51 is shown, and the broken line shows the time variation of the information amount of Comparative Example 50 in which only the character string is displayed as shown in FIG.
  • Example 50 the character information is displayed at the same time when the event occurs, so the displayed information amount reaches 100% immediately, whereas in Example 51, the character string is displayed while the transitional moving image is displayed in a superimposed manner. Since it cannot be read and the character string is displayed as the graphic element moves, the information amount gradually increases and reaches 100% at the end of the transition image.
  • Example 51 the amount of information as character information reaches 100% after Comparative Example 50 due to the transition moving image that hides the character string.
  • the driver can recognize the start of the display but cannot read the character string. Therefore, there is no influence such as a delay in reading due to a delay in character display accompanying the display of a short-time transition moving image.
  • the brightness of the information display is larger in Example 51 with the transition moving image added than in Comparative Example 50 with only the character string, and in addition, the comparative example is changed due to the movement of the graphic element in the high brightness area.
  • the display start can be recognized more quickly and surely than in the case of 50.
  • FIG. 6 is a graph showing the relationship between the time lapse of information display and the amount of information/information comprehension of the example of the present invention and the comparative example, and the thick solid line 61 is the information comprehension according to the information display of the example 51, and the thick broken line 60. Shows the transition of the information comprehension degree by the information display of Comparative Example 50.
  • the movement of the transition video and the change in the brightness improve the noticeability of the information display, and the driver's line of sight moves faster.
  • the spatially increasing amount of information increases the cognitive performance as indicated by the symbol ⁇ in the figure compared to Comparative Example 60, and shortens the time from the start of information presentation to the completion of recognition. At the same time, the effect of reducing the psychological burden required for cognition can be expected.
  • FIG. 7 (a) is similar to a typical pattern of the transition video frame display image and FIG. 3, FIG. 7 (b) is a graph showing the brightness change, a transition half 7a with display start t 0 is
  • the brightness gradually increases from the brightness Lc due to only the character string as the width of the graphic element increases, and the graphic element reaches the maximum width and reaches the maximum brightness Lx at time t max.
  • the brightness gradually decreases with the reduction of, the transition moving image ends at time t end , and thereafter, the brightness becomes Lc only by the character string. Strictly speaking, the luminance distribution of the character string portion should be taken into consideration, but the influence on the overall luminance change is small.
  • the distribution of the brightness increase time Ta in the first half 7a of the transition and the brightness decrease time Tb in the second half 7b of the transition are almost the same in the example shown by the solid line in FIG. 7B, that is, the increase rate and the decrease rate of the brightness (graphic element width). Although the rate is constant, it has been confirmed that when the brightness decrease time Tb is longer than the brightness increase time Ta (Tb>Ta), it is advantageous for improving the cognitive performance. As shown by the broken line 7a' in FIG. 7B, there may be a delay time Td at the start of superimposing the graphic elements.
  • FIG. 7C shows a modified example in which the pattern of increasing/decreasing the width of the graphic element is different.
  • a solid line 71 is a pattern in which the increase rate of the brightness (graphic element width) in the first half of the transition is larger than the decrease rate in the second half of the transition, and the figure element maximum width/maximum brightness Lx is reached in a relatively short time.
  • the broken line 72 is a pattern in which after reaching the maximum width/maximum luminance Lx of the graphic element, the state is maintained, and thereafter, the width/luminance of the graphic element decreases
  • the dotted line 73 is the width/width of the graphic element.
  • a pattern is shown in which the display of the transitional moving image is started at the large/maximum luminance Lx, and thereafter, the width and luminance of the graphic element decrease. In each of these cases, there may be a delay time Td at the start of superimposing the graphic element as described above.
  • FIG. 8A shows a frame display image of the information display of the embodiment accompanied by a transitional moving image of a typical pattern similar to that of FIG. 3, and the solid line a of the graph shows the luminance change.
  • the driver's line of sight is directed to the central visual field during driving, but after the display starts when an event occurs, the visual line moves to the information display by noticing the information display in the peripheral visual field.
  • Gaze at the display read the characters, and recognize the meaning of the presentation information.
  • the transition moving image is displayed for a short time, and the driver notices the display and moves the line of sight. While the transitional moving image ends while the transitional moving image ends, the contribution to the improvement of the cognitive performance cannot be expected as compared with the case where there is no transitional moving image/only the character string shown in FIG. 8D. However, it seems that there is a certain effect in improving the noticeability of the display due to the brightness change of the transition video.
  • the experiment cannot completely reproduce the display form of the actual display device.
  • the transition video display time is 0. It was confirmed that the correct answer rate was significantly improved in the range of 3 to 0.5 seconds. On the other hand, at 0.6 seconds, due to the reduction of the substantive reading time due to the display of the transition video, the accuracy rate was lower than that when only the character string was displayed. It was also confirmed that simple blinking had no effect on the recognition performance of text information.
  • FIG. 9B shows an example in which the color of a rectangular graphic element is changed.
  • the first half of the transition which is seen in peripheral vision, where the cognitive ability of color is weak, white (achromatic color) with relatively high brightness is shown. ), priority is given to noticeability and attractiveness, while color information can be gradually added in the latter half of the transition assuming central vision to improve the visibility by color.
  • FIG. 10 shows a case where the character string is not displayed in the first half of the transition and the character string is displayed in the second half of the transition. Since the characters cannot be read in the first half of the transition seen in peripheral vision, there is no problem in reading the characters even with this pattern, and the luminance change width from the start of display to the first half of the transition becomes large.
  • FIG. 11A shows the case where the front and rear edges of the graphic element are oblique, in other words, the graphic element is not a rectangle but a parallelogram.
  • the geometrical shape of a graphic element can be set arbitrarily, the shape cannot be recognized by peripheral vision, so the recognition performance can be expected to improve, although the significance of the special shape is small.
  • FIG. 11B shows a pattern in which a rectangular graphic element appears from the center, expands in width on both left and right sides, reaches the maximum display, then shrinks from both left and right sides, and disappears in the center.
  • the brightness change is similar to the representative example described above, the horizontal movement is canceled by the enlargement and reduction in both left and right directions, and the display width of the character string cannot be used for the movement of the transition video, but the recognition performance is improved. Can be expected.
  • FIG. 11C shows a pattern in which the vertical width of a rectangular graphic element is also scaled.
  • this pattern as in the above, only the brightness change is recognized and the display width of the character string cannot be used for the movement of the transition moving image. Even in these patterns, if at least the second half of the transition is moved in the writing direction (to the right) and disappears as in the case of the typical embodiment, the display width of the character string cannot be fully utilized. , Improvement in recognition performance can be expected.
  • Display Information Processing Device 2 Display Device (Display Unit) 3 In-vehicle system 4 Sensor group 5 In-vehicle network 6, 6'Character string 7, 7'Transition video (graphic element) 10 Front Window 11 Instrument Panel 12 Rearview Mirror 13 Side Mirror 14 Front Pillar Window 20 Central Field of View 21,22 Head-up Display 23 Meter Cluster 24 Car Navigation System 25 Display

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Abstract

Provided is an information display device and information display method that can urge the movement of a visual line to character information displayed in a peripheral visual field region and can efficiently transmit various pieces of information. This information display device for a driver of an automobile has a function of displaying information in a transverse writing character string (6) in a peripheral visual field region (25) outside a central visual field during driving and a function of superimposing or synthesizing a transitional moving image (7) of a geometrical graphic element on a display region of the character string when the displaying of the character string is started, and displaying the superimposed or synthesized moving image, wherein the transitional moving image (7) is configured such that the transverse width of the graphic element is expanded from a start value to a maximum value, and is then reduced and eliminated, and the character spring (6) is expressed at the reduction and elimination.

Description

自動車の情報表示装置および情報表示方法Vehicle information display device and information display method
　本発明は、自動車の情報表示装置に関し、さらに詳しくは、自動車運転中の運転者に対する情報表示装置および情報表示方法に関する。 The present invention relates to an automobile information display device, and more particularly to an information display device and an information display method for a driver who is driving a vehicle.
　自動車の高機能化に伴い、自動車から運転者に提示される情報量は複雑化しかつ増加している。自動車の運転者は、前方および周辺交通への注意を維持しながら、ＨＭＩ（Human Machine Interface）により提示される情報を認知して、適切な運転操作を行う必要がある。限られた人間の認知の能力の範囲内で、この要求に答えるためには、ＨＭＩの工夫が重要となる。 With the increasing functionality of automobiles, the amount of information presented to drivers by automobiles is becoming more complex and increasing. The driver of the vehicle needs to recognize the information presented by the HMI (Human Machine Interface) and perform an appropriate driving operation while maintaining attention to the traffic in front and in the vicinity. In order to meet this requirement within the limited human cognitive ability, devising HMI is important.
　特許文献１では、人間の周辺視野領域で認知可能な時間・空間周波数の低い視覚表示により、大まかな情報伝達と前方および周辺交通の監視を両立させる方法を提案している。しかしながら、高度な安全システムや車載情報通信システムを搭載した自動車では、多様で複雑な情報を運転者に確実に伝達する必要がある。 [Patent Document 1] proposes a method for achieving both rough information transmission and monitoring of forward and peripheral traffic by using a visual display with a low temporal/spatial frequency that can be perceived by a human peripheral visual field. However, in a vehicle equipped with an advanced safety system and an in-vehicle information communication system, it is necessary to reliably transmit various and complicated information to the driver.
特許第４８３０３８４号公報Japanese Patent No. 4830384
　多様で複雑な情報を運転者に確実に伝達するためには、文構造をもった文字情報を利用することが有利である。例えば、「ブレーキ」を表現した絵文字１つでは、自動ブレーキシステムの動作告知なのか、運転者へのブレーキ操作要求なのか判別できないが、文構造をもった文字情報であれば、そのような問題は生じない。 ❖ It is advantageous to use character information with a sentence structure in order to reliably transmit various and complicated information to the driver. For example, one pictogram expressing "brake" cannot determine whether it is an operation notification of the automatic braking system or a brake operation request to the driver, but if it is text information with a sentence structure, such a problem will occur. Does not occur.
　その反面、文字情報は、中心視野でしか認知できないという課題がある。ヘッドアップディスプレイを利用して運転中の中心視野に情報表示することもできるが、運転中の視界の妨げになる。さらに、文字情報は、文字数に比例して読み取りに要する時間が長くなるという課題もある。したがって、運転中の中心視野外の周辺視野領域に表示した文字情報への視線移動を促し、より短時間かつ少ない心理負担で正確に読み取ることができるようにする技術が必要となる。 On the other hand, there is a problem that text information can be recognized only from the central visual field. Information can be displayed in the central visual field while driving using a head-up display, but this hinders the visibility during driving. Further, the character information has a problem that the time required for reading increases in proportion to the number of characters. Therefore, there is a need for a technique that prompts the user to move his or her line of sight to the character information displayed in the peripheral visual field outside the central visual field during driving so that the text information can be accurately read in a shorter time and with less psychological burden.
　本発明は、上記のような実状に鑑みてなされたものであり、その目的は、周辺視野領域に表示した文字情報への視線移動を促すとともに、読み取りに要する時間を短縮し、多様な情報を効率よく伝達できる情報表示装置および情報表示方法を提供することにある。 The present invention has been made in view of the above situation, and an object thereof is to promote the movement of the line of sight to the character information displayed in the peripheral visual field area, reduce the time required for reading, and obtain various information. An object of the present invention is to provide an information display device and an information display method that can be efficiently transmitted.
　上記課題を解決するために、本発明は、自動車の運転者に対する情報表示装置であって、運転中の中心視野外の周辺視野領域に情報を横書き文字列で表示する機能、および、前記文字列の表示開始時に、幾何学的図形要素の遷移動画を前記文字列の表示領域に重畳または合成して表示する機能を有し、前記遷移動画は、前記図形要素の横幅が開始値から最大値まで拡大した後に縮小して消失し、前記縮小消失とともに前記文字列が表出するように構成されている、自動車の情報表示装置にある。 In order to solve the above problems, the present invention is an information display device for a driver of an automobile, a function of horizontally displaying information in a peripheral visual field region outside a central visual field during driving, and the character string. Has a function of superimposing or synthesizing the transitional moving image of the geometrical figure element on the display area of the character string at the start of display, and the transitional moving image has a width from the start value to the maximum value of the geometrical element. An information display device for an automobile, which is configured so as to be enlarged and then reduced and disappear, and the character string is displayed together with the reduced and disappeared.
　本発明に係る自動車の情報表示装置によれば、自動車の運転者の中心視野外の周辺視野における情報表示の開始時に、幾何学的図形要素の遷移動画が表示されることで、前記図形要素の経時的な横幅の変化に伴う遷移動画の輝度変化と動きにより、情報表示への気付き性や誘目性の向上に加えて、視線移動後における文字読み取り速度、正確性などの認知性能の向上、情報提示開始から認知完了までの時間短縮、および、認知に要する心理的負担の軽減効果が期待でき、自動車の情報表示への文字情報の活用により、自動車の高機能化に対応した情報表示を行う上で有利である。 According to the vehicle information display device of the present invention, the transition moving image of the geometrical graphic element is displayed at the start of information display in the peripheral visual field outside the central visual field of the vehicle driver, thereby Due to the change and brightness of the transition video with the change of the lateral width over time, in addition to the noticeability of information display and the attractiveness, the improvement of the cognitive performance such as the character reading speed and accuracy after the eye movement, the information, The time from the start of presentation to the completion of recognition can be expected to be shortened, and the psychological burden required for recognition can be expected to be reduced. By utilizing character information in the information display of a vehicle, it is possible to display information corresponding to higher functionality of the vehicle. Is advantageous.
自動車の情報表示システムを示すブロック図である。It is a block diagram which shows the information display system of a motor vehicle. フロントウインドウ周辺の情報表示部を示す概略図である。It is a schematic diagram showing an information display section around the front window. 本発明実施形態に係る情報表示を示すフレーム表示画像である。6 is a frame display image showing information display according to the embodiment of the present invention. 本発明実施形態に係る情報表示を構成する文字列の表示画像（ａ）、遷移動画（ｂ）、および、それらを合成した表示画像（ｃ）である。It is the display image (a) of the character string which comprises the information display which concerns on embodiment of this invention, a transition moving image (b), and the display image (c) which combined them. 時間経過と情報量の関係を示すグラフである。6 is a graph showing the relationship between the passage of time and the amount of information. 時間経過と情報量・情報理解度の関係を示すグラフである。It is a graph which shows the relationship between time passage and the amount of information and information comprehension. 本発明実施形態に係る情報表示を示すフレーム表示画像（ａ）、その輝度変化（ｂ）、および、異なる実施例の輝度変化（ｃ）を示すグラフである。3 is a graph showing a frame display image (a) showing information display according to the embodiment of the present invention, its luminance change (b), and luminance change (c) of different examples. 本発明実施形態に係る情報表示を示すフレーム表示画像（ａ）、および、相対的に短い遷移動画（ｂ）、相対的に長い遷移動画（ｃ）、遷移動画なし（ｄ）の各場合におけるフレーム表示画像と輝度変化を示すグラフである。A frame display image (a) showing information display according to the embodiment of the present invention, and a frame in each case of a relatively short transition video (b), a relatively long transition video (c), and no transition video (d) It is a graph which shows a display image and brightness change. 本発明に係る情報表示の別の実施例を示すフレーム表示画像である。9 is a frame display image showing another embodiment of information display according to the present invention. 本発明に係る情報表示の他の実施例を示すフレーム表示画像である。7 is a frame display image showing another embodiment of information display according to the present invention. 本発明に係る情報表示の変形例を示すフレーム表示画像である。9 is a frame display image showing a modified example of information display according to the present invention.
　以下、本発明の実施形態について、図面を参照しながら詳細に説明する。
　図１は、本発明を実施可能な自動車の情報表示システムを示すブロック図であり、図において、自動車は、レーダ、カメラ、ＬＩＤＡＲなどの外界センサ群、および、車速センサ、ヨーレートセンサ、加速度センサなどの内界センサ群からなる検知手段４、および、それらの検知情報に基づいて、ＡＣＣやＬＫＡなどの走行制御、運転支援、障害検知などを行う車載システム３を搭載しており、それらの制御情報や車両情報、警報などの運転者向け提示情報は、車載ネットワーク５を介して表示情報処理装置１に送られる。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a block diagram showing an information display system for a vehicle in which the present invention can be implemented. In the figure, the vehicle is an external sensor group such as a radar, a camera, and LIDAR, and a vehicle speed sensor, a yaw rate sensor, an acceleration sensor, etc. It is equipped with a detection means 4 composed of a group of internal sensors, and an in-vehicle system 3 for performing traveling control such as ACC and LKA, driving assistance, and failure detection based on the detection information, and the control information thereof. Driver presentation information such as vehicle information and warnings is sent to the display information processing device 1 via the in-vehicle network 5.
　表示情報処理装置１は、運転者向け提示情報を受信する通信インターフェース、提示情報の内容に対応して表示すべき画像データを生成するためのプログラム及びデータ（文字列、絵文字、画像データ）を記憶したＲＯＭ、画像生成や合成などの処理を行うＣＰＵ、生成した画像データを一時記憶するＲＡＭ、表示装置２に出力するインターフェースを含むマイコンなどで構成され、表示画像は、所定のリフレッシュレートで更新される。 The display information processing device 1 stores a communication interface that receives presentation information for drivers, a program and data (character strings, pictograms, image data) for generating image data to be displayed corresponding to the content of the presentation information. The display image is updated at a predetermined refresh rate. The display image is updated at a predetermined refresh rate. It
　表示情報処理装置１のソフトウエア構成としては、通信インターフェースを介して受信した提示情報（表示情報コード）に、送信機器に対応してデータテーブルに格納されている表示データを割当てる入力情報処理、遷移動画生成（再生）を含み、文字情報に遷移動画を重畳または合成して表示画像を生成すべく表示装置２を制御する。 The software configuration of the display information processing device 1 is as follows: input information processing for allocating display data stored in a data table corresponding to a transmitting device to presentation information (display information code) received via a communication interface, transition The display device 2 is controlled so as to generate a display image by superimposing or synthesizing the transitional moving image on the character information, including the moving image generation (reproduction).
　表示装置２は、好適には、ＬＣＤ，ＯＬＥＤなど、ドットマトリクスによる表示画面を備え、表示情報処理装置１で生成された表示画像を運転者に表示するディスプレイ装置であり、図２に示すように、運転者の運転中における中心視野２０の外の周辺視野に位置する表示装置、例えば、フロントウインドウ１０に表示画像２１を投影する投影式ヘッドアップディスプレイ（ＨＵＤ）に好適に実施可能である。 The display device 2 is preferably a display device including a display screen by a dot matrix such as LCD and OLED, and displays the display image generated by the display information processing device 1 to the driver, and as shown in FIG. The present invention can be preferably applied to a display device located in the peripheral visual field outside the central visual field 20 while the driver is driving, for example, a projection type head-up display (HUD) that projects the display image 21 on the front window 10.
　なお、表示装置２としては、その他に、インストルメントパネル１１の上部に設置されるコンバイナ方式のヘッドアップディスプレイ２２、メータークラスター２３のディスプレイ、カーナビゲーションシステムのディスプレイ２４、さらには、バックミラー１２に組み込まれるバックミラーモニター、サイドミラー１３に組み込まれるサイドミラーモニター、フロントピラーウインドウ１４（ＨＵＤ、ミラーモニター）、ドライブレコーダーのディスプレイ（不図示）などにも実施可能である。 In addition, as the display device 2, in addition, a head up display 22 of a combiner type installed on the upper part of the instrument panel 11, a display of a meter cluster 23, a display 24 of a car navigation system, and a rearview mirror 12 are incorporated. The present invention can be applied to a rear-view mirror monitor, a side-mirror monitor incorporated in the side-mirror 13, a front pillar window 14 (HUD, mirror monitor), a drive recorder display (not shown), and the like.
　表示情報処理装置１は、図３に示すように、上述したような表示装置２の表示部２５に、イベント発生（車載システム３側からの情報受信）に伴い、運転者向け提示情報として「前方注意」のような横書き文字列６を表示する場合に、文字列６の表示開始時に、幾何学的図形要素による遷移動画７を文字列６に重畳または合成して表示する機能を有している。 As shown in FIG. 3, the display information processing apparatus 1 displays “forward” on the display unit 25 of the display apparatus 2 as described above, as the presentation information for the driver along with the occurrence of the event (information reception from the in-vehicle system 3 side). When displaying a horizontally written character string 6 such as "Caution", it has a function of superimposing or synthesizing a transition moving image 7 by a geometric figure element on the character string 6 at the start of displaying the character string 6. ..
　遷移動画７は、図３では便宜的に４フレームで示されているが、実際に表示されるフレーム数は表示情報処理装置１および表示装置２のリフレッシュレート（フレームレート）に対応し、後述のように表示時間が極短時間であるので、比較的少ない数、特に限定されるものではないが、例えば５～１５フレーム程度の画像で構成される。図３では黒色の背景に白色の文字列および遷移動画が表示されているが、ヘッドアップディスプレイでは黒色部分は透明なガラス越しに見える車外の背景となる。 The transition moving image 7 is shown as four frames for convenience in FIG. 3, but the number of frames actually displayed corresponds to the refresh rate (frame rate) of the display information processing device 1 and the display device 2, and will be described later. As described above, since the display time is extremely short, the number of images is relatively small, for example, but not limited to, for example, about 5 to 15 frames. In FIG. 3, a white character string and a transitional moving image are displayed on a black background, but in the head-up display, the black portion is the background outside the vehicle seen through the transparent glass.
　図３は、代表的なパターンの遷移動画７を示しており、文字列６と同色で塗りつぶされた矩形の図形要素（７）の横幅が開始値（図３では符号７′）から最大値（符号７）まで漸次拡大した後に漸次縮小して消失し、図形要素（７）の縮小消失とともに文字列６を徐々に表出させるように構成されており、この例では、図形要素（７）は、横書き文字列６の書字方向（左から右）における始端側となる左側から右側に向かって拡大し、文字列６が全て隠蔽される最大値となった後に、終端側となる右側に縮小し消失する。 FIG. 3 shows a transitional moving image 7 of a typical pattern, in which the width of the rectangular graphic element (7) filled in with the same color as the character string 6 is the maximum value (from the start value (reference numeral 7′ in FIG. 3)). It is configured to gradually expand to the reference numeral 7) and then gradually shrink and disappear, and gradually display the character string 6 with the reduction and disappearance of the graphic element (7). In this example, the graphic element (7) is , Expands from the left side, which is the start side in the writing direction (left to right) of the horizontally written character string 6, to the right side, which becomes the end side after reaching the maximum value where all the character strings 6 are hidden. Disappears.
　換言すれば、遷移動画７は、符号７で示される矩形の図形要素が、横書き文字列６の書字方向における始端側となる左側から現れ、右側に向かって移動し消失する、あるいは、表示領域の左側からフェードインして右側にフェードアウトする形態である。このパターンの優位性は、文字列６が全て覆われた状態から、文字列６の読出し側となる左側から１文字ずつ読み進める方向に表示される点にある。 In other words, in the transition moving image 7, the rectangular graphic element indicated by reference numeral 7 appears from the left side which is the starting end side of the horizontal writing character string 6 in the writing direction, moves toward the right side and disappears, or the display area. It is a form that fades in from the left side and fades out to the right side. The advantage of this pattern is that the character strings 6 are displayed in a direction in which they are read one by one from the left side, which is the reading side of the character strings 6, from the state in which the character strings 6 are all covered.
　図４は、遷移動画を分解して縦方向に配列したものである。イベント発生に伴い、図４（ａ）に示すような文字列「前方注意」の静止画像が表示され、同時に、図４（ｂ）に示すような矩形の図形要素が書字方向に移動する遷移動画が、文字列の静止画像に重畳または合成されることにより、図４（ｃ）に示すような表示画像が生成される。 Fig. 4 shows the transition animation disassembled and arranged vertically. With the occurrence of an event, a still image of the character string “Attention” is displayed as shown in FIG. 4A, and at the same time, a rectangular graphic element as shown in FIG. 4B is moved in the writing direction. By superimposing or synthesizing the moving image on the still image of the character string, a display image as shown in FIG. 4C is generated.
　すなわち、文字列は、運転者への提示情報に対応した静止画像（文字データ、フォントデータ）として準備され、極短時間の遷移動画（所定フレーム数の静止画像）のみを別途準備することで、遷移動画を有する情報表示が可能となり、提示情報の種別に応じて異なるパターンの遷移動画を表示することもできる。 That is, the character string is prepared as a still image (character data, font data) corresponding to the information presented to the driver, and by preparing only a very short transitional moving image (still image of a predetermined number of frames) separately, It becomes possible to display information having a transition video, and it is also possible to display transition videos of different patterns depending on the type of presentation information.
　例えば、車載システム３から出力される提示情報に、表示すべき文字列や絵文字など画像を決定するデータとともに、緊急度や重大度など、情報の内容によって区分された識別データが含まれるようにしても良いし、表示情報処理装置１に、情報区分や表示内容と文字列や絵文字など画像データおよび遷移画像との関係を規定する参照テーブルを用意することによって、提示情報に対応した表示画像が表示情報処理装置１で決定されるようにしても良い。 For example, the presentation information output from the in-vehicle system 3 may include identification data that is classified according to information content such as urgency and severity, as well as data that determines an image such as a character string or pictogram to be displayed. The display information corresponding to the presentation information can be displayed by providing the display information processing device 1 with a reference table that defines the relationship between the information classification and the display content and the image data such as character strings and pictograms and the transition image. It may be determined by the information processing device 1.
　また、上記実施形態では、単体の表示装置２の表示部２５に文字列６（表示情報）と遷移動画７を重畳または合成して表示する場合を示したが、１つの表示情報処理装置１によって制御されかつ表示部が積層配置された２つの表示装置（第１および第２の表示装置）の一方の表示部に文字列６を表示し、その手前側の他方の表示部に遷移動画７を表示するように構成することもできる。 Further, in the above embodiment, the case where the character string 6 (display information) and the transition moving image 7 are superimposed or combined and displayed on the display unit 25 of the single display device 2 has been described. The character string 6 is displayed on one display part of the two display devices (first and second display devices) which are controlled and the display parts are stacked and the transition video 7 is displayed on the other display part on the front side. It can also be configured to display.
　さらに、隣接配置された２つの投影式ヘッドアップディスプレイの一方から文字列６を投影し、他方から同位置に遷移動画７を投影するように構成することもできる。すなわち、ハードウエア的に独立した複数の表示装置による文字列６（表示情報）と遷移動画７を表示空間にて重畳または合成することもでき、例えば、文字列６（表示情報）を表示する既存の表示装置に、遷移動画７を表示する表示装置２を追加することもできる。 Furthermore, it is possible to project the character string 6 from one of the two adjacent projection-type head-up displays and the transition moving image 7 from the other to the same position. That is, the character string 6 (display information) and the transition video 7 can be superimposed or combined in a display space by a plurality of hardware independent display devices. For example, the existing character string 6 (display information) is displayed. The display device 2 for displaying the transition video 7 can be added to the display device of FIG.
　なお、本発明に係る情報表示装置は、１つの表示情報処理装置１で複数の表示装置２（ディスプレイ表示部、インジケータ）を制御する態様にて実施することもできる。また、本発明に係る情報表示装置は、二輪車や小型モビリティなど、運転者や乗員への情報表示を必要とする４輪車以外の自動車にも実施可能である。 Note that the information display device according to the present invention can also be implemented in a mode in which one display information processing device 1 controls a plurality of display devices 2 (display units, indicators). Further, the information display device according to the present invention can be applied to a vehicle other than a four-wheeled vehicle, such as a two-wheeled vehicle or a small mobility vehicle, which needs to display information to a driver or an occupant.
　次に、上記実施形態に係る情報表示の作用および効果について考察する。
　図５は、本発明実施例および比較例の情報表示の時間経過と情報量の関係を示すグラフであり、実線は、図４（ｃ）に示したように文字列とともに遷移動画が表示される実施例５１の情報量の経時的変化を示し、破線は、図４（ａ）に示したように文字列のみが表示される比較例５０の情報量の経時的変化を示している。 Next, the operation and effect of the information display according to the above embodiment will be considered.
FIG. 5 is a graph showing the relationship between the elapsed time of information display and the amount of information in the example of the present invention and the comparative example, and the solid line shows the transition moving image together with the character string as shown in FIG. The time variation of the information amount of Example 51 is shown, and the broken line shows the time variation of the information amount of Comparative Example 50 in which only the character string is displayed as shown in FIG.
　比較例５０では、イベント発生と同時に文字情報が表示されるので、表示された情報量は直ちに１００％に達するのに対し、実施例５１では、遷移動画が重畳表示されている間は文字列を読むことができず、図形要素の移動と共に文字列が表示されるので、情報量は徐々に増加し、遷移画像の終了時に１００％に達する。 In Comparative Example 50, the character information is displayed at the same time when the event occurs, so the displayed information amount reaches 100% immediately, whereas in Example 51, the character string is displayed while the transitional moving image is displayed in a superimposed manner. Since it cannot be read and the character string is displayed as the graphic element moves, the information amount gradually increases and reaches 100% at the end of the transition image.
　したがって、実施例５１では、文字列を隠蔽する遷移動画により、文字情報としての情報量が１００％に到達するのは、比較例５０より後になる。しかし、中心視野２０の外にある周辺視野における情報表示では、運転者は表示の開始を認識することはできるが、文字列を読み取ることはできない。したがって、短時間の遷移動画の表示に伴う文字表示の遅延による読み取りの遅れなどの影響はない。 Therefore, in Example 51, the amount of information as character information reaches 100% after Comparative Example 50 due to the transition moving image that hides the character string. However, in the information display in the peripheral visual field outside the central visual field 20, the driver can recognize the start of the display but cannot read the character string. Therefore, there is no influence such as a delay in reading due to a delay in character display accompanying the display of a short-time transition moving image.
　一方、情報表示の輝度は、文字列のみの比較例５０に比べて、遷移動画が付加された実施例５１の方が大きいことに加えて、高輝度領域となる図形要素の動きによって、比較例５０よりも迅速かつ確実に表示開始を認識できる利点がある。 On the other hand, the brightness of the information display is larger in Example 51 with the transition moving image added than in Comparative Example 50 with only the character string, and in addition, the comparative example is changed due to the movement of the graphic element in the high brightness area. There is an advantage that the display start can be recognized more quickly and surely than in the case of 50.
　図６は、本発明実施例および比較例の情報表示の時間経過と情報量・情報理解度の関係を示すグラフであり、太い実線６１は実施例５１の情報表示による情報理解度、太い破線６０は比較例５０の情報表示による情報理解度の推移を示している。 FIG. 6 is a graph showing the relationship between the time lapse of information display and the amount of information/information comprehension of the example of the present invention and the comparative example, and the thick solid line 61 is the information comprehension according to the information display of the example 51, and the thick broken line 60. Shows the transition of the information comprehension degree by the information display of Comparative Example 50.
　上述したように、実施例６１では、遷移動画の動きと輝度変化により、情報表示への気付き易さが向上し、運転者の視線移動が早まることに加えて、遷移動画の動きにより、画面上の情報量が空間的に増加していくことで、比較例６０に比べて、図中符号αで示されるように認知のパフオーマンスが向上し、情報提示開始から認知完了までの時間が短縮されるとともに、認知に要する心理的負担が軽減される効果も期待できる。 As described above, in the sixty-first embodiment, the movement of the transition video and the change in the brightness improve the noticeability of the information display, and the driver's line of sight moves faster. The spatially increasing amount of information increases the cognitive performance as indicated by the symbol α in the figure compared to Comparative Example 60, and shortens the time from the start of information presentation to the completion of recognition. At the same time, the effect of reducing the psychological burden required for cognition can be expected.
　人間の視覚情報を脳が認知する機能の特性上、特定のパターンを持った遷移動画を介して情報提示することにより、文字読み取りの速度、正確性、主観的読みやすさなど、認知性能が向上することを実験的に確認している。 Due to the characteristics of the brain's ability to recognize human visual information, by presenting information through a transitional video with a specific pattern, cognitive performance such as character reading speed, accuracy, and subjective readability is improved. It has been confirmed experimentally.
　図７（ａ）は、図３と同様の代表的なパターンの遷移動画のフレーム表示画像、図７（ｂ）はその輝度変化を示したグラフであり、表示開始ｔ0とともに遷移前半７ａは、文字列のみによる輝度Ｌｃから図形要素の幅の拡大とともに徐々に輝度が上昇し、時刻ｔmaxで図形要素が最大幅となって最大輝度Ｌｘに達し、その後、遷移後半７ｂは、図形要素の幅の縮小とともに徐々に輝度が減少し、時刻ｔendで遷移動画が終了し、以後、文字列のみによる輝度Ｌｃとなる。厳密には文字列部分の輝度分布も考慮すべきであるが、全体的な輝度変化への影響は小さい。 7 (a) is similar to a typical pattern of the transition video frame display image and FIG. 3, FIG. 7 (b) is a graph showing the brightness change, a transition half 7a with display start t 0 is The brightness gradually increases from the brightness Lc due to only the character string as the width of the graphic element increases, and the graphic element reaches the maximum width and reaches the maximum brightness Lx at time t max. The brightness gradually decreases with the reduction of, the transition moving image ends at time t end , and thereafter, the brightness becomes Lc only by the character string. Strictly speaking, the luminance distribution of the character string portion should be taken into consideration, but the influence on the overall luminance change is small.
　遷移前半７ａの輝度上昇時間Ｔａと遷移後半７ｂの輝度減少時間Ｔｂの配分は、図７（ｂ）に実線で示す例ではほぼ同じであり、すなわち、輝度（図形要素幅）の増加率と減少率は一定であるが、輝度上昇時間Ｔａより輝度減少時間Ｔｂが長い場合（Ｔｂ＞Ｔａ）が認知性能の向上に有利であることが確認されている。なお、図７（ｂ）中に破線７ａ′で示されるように、図形要素の重畳開始に遅延時間Ｔｄがあってもよい。 The distribution of the brightness increase time Ta in the first half 7a of the transition and the brightness decrease time Tb in the second half 7b of the transition are almost the same in the example shown by the solid line in FIG. 7B, that is, the increase rate and the decrease rate of the brightness (graphic element width). Although the rate is constant, it has been confirmed that when the brightness decrease time Tb is longer than the brightness increase time Ta (Tb>Ta), it is advantageous for improving the cognitive performance. As shown by the broken line 7a' in FIG. 7B, there may be a delay time Td at the start of superimposing the graphic elements.
　図７（ｃ）は、図形要素幅の増減パターンが異なる変形例を示している。図において、（１）実線７１は、遷移前半の輝度（図形要素幅）の増加率が遷移後半の減少率よりも大きく、相対的に短時間で図形要素最大幅・最大輝度Ｌｘに到達するパターン、（２）破線７２は、図形要素最大幅・最大輝度Ｌｘに到達した後、その状態を維持し、その後、図形要素幅・輝度が減少するパターン、（３）点線７３は、図形要素幅・輝度の増加とともに増加率が緩やかになり、図形要素最大幅・最大輝度Ｌｘを経て図形要素幅・輝度の減少とともに減少率が大きくなるパターン、（４）一点鎖線７４は、表示開始時に図形要素最大幅・最大輝度Ｌｘにて遷移動画の表示を開始し、その後、図形要素幅・輝度が減少するパターンを示している。なお、これらの各場合においても、上述したような図形要素の重畳開始に遅延時間Ｔｄがあってもよい。 FIG. 7C shows a modified example in which the pattern of increasing/decreasing the width of the graphic element is different. In the figure, (1) a solid line 71 is a pattern in which the increase rate of the brightness (graphic element width) in the first half of the transition is larger than the decrease rate in the second half of the transition, and the figure element maximum width/maximum brightness Lx is reached in a relatively short time. , (2) The broken line 72 is a pattern in which after reaching the maximum width/maximum luminance Lx of the graphic element, the state is maintained, and thereafter, the width/luminance of the graphic element decreases, and (3) the dotted line 73 is the width/width of the graphic element. A pattern in which the increase rate becomes gentle as the brightness increases, and the decrease rate becomes larger as the graphic element width/brightness decreases through the maximum width/maximum brightness Lx of the graphic element. A pattern is shown in which the display of the transitional moving image is started at the large/maximum luminance Lx, and thereafter, the width and luminance of the graphic element decrease. In each of these cases, there may be a delay time Td at the start of superimposing the graphic element as described above.
　次に、遷移動画の表示時間の認知性能への影響について、図８を参照して説明する。
　図８（ａ）は、図３と同様の代表的なパターンの遷移動画を伴う実施例の情報表示のフレーム表示画像、グラフの実線ａはその輝度変化を示している。既に述べたように、運転者の視線は、運転中は中心視野に向けられているが、イベント発生に伴う表示開始後、周辺視野にある情報表示に気付くことで、情報表示へと視線移動し、表示を注視して文字を読み取り、提示情報の意味を認識する。 Next, the influence of the display time of the transition video on the cognitive performance will be described with reference to FIG.
FIG. 8A shows a frame display image of the information display of the embodiment accompanied by a transitional moving image of a typical pattern similar to that of FIG. 3, and the solid line a of the graph shows the luminance change. As mentioned above, the driver's line of sight is directed to the central visual field during driving, but after the display starts when an event occurs, the visual line moves to the information display by noticing the information display in the peripheral visual field. , Gaze at the display, read the characters, and recognize the meaning of the presentation information.
　この際、図８（ｄ）に示す遷移動画なし／文字列のみの場合と比較すると、図８（ａ）に示す実施例（ｔ＝０．４秒）では、遷移動画の輝度変化と動きによって、表示への気付き性や視線の誘因性が向上するとともに、視線移動して中心視野で文字情報を読み取る以前に脳が活性化され、視線移動して中心視野で文字情報を読み取る際の認知のパフォーマンスが向上し、情報提示開始から認識完了までの時間が短縮される。特に、遷移後半では、表示情報量、すなわち、文字数が書字方向に沿って経時的に増加することにより、読み取りの負担が軽減される効果も期待できる。 At this time, in comparison with the case without transition video/only the character string shown in FIG. 8D, in the example (t=0.4 seconds) shown in FIG. , The awareness of the display and the attractiveness of the line of sight are improved, and the brain is activated before the line of sight is moved to read the text information in the central visual field, and the cognition when the line of sight is moved to read the text information in the central visual field is read. Performance is improved and the time from the start of information presentation to the completion of recognition is shortened. In particular, in the latter half of the transition, the amount of display information, that is, the number of characters increases with time along the writing direction, so that an effect of reducing the reading load can be expected.
　これに対して、図８（ｂ）に示す比較例（ｔｂ＝０．２秒）では、グラフの破線ｂで示されるように、遷移動画の表示時間が短く、運転者が表示に気付き視線移動している間に遷移動画が終了してしまい、図８（ｄ）に示す遷移動画なし／文字列のみの場合と比較して、認知性能の向上への寄与は期待できない。しかし、遷移動画の輝度変化による表示への気付き性の向上には一定の効果があると思われる。 On the other hand, in the comparative example (tb=0.2 seconds) shown in FIG. 8B, as shown by a broken line b in the graph, the transition moving image is displayed for a short time, and the driver notices the display and moves the line of sight. While the transitional moving image ends while the transitional moving image ends, the contribution to the improvement of the cognitive performance cannot be expected as compared with the case where there is no transitional moving image/only the character string shown in FIG. 8D. However, it seems that there is a certain effect in improving the noticeability of the display due to the brightness change of the transition video.
　一方、図８（ｃ）に示す比較例（ｔｃ＝０．６秒）では、グラフの破線ｃで示されるように、遷移動画の表示時間が長く、運転者が表示に気付き視線移動して中心視野で文字情報を読み取れる状態になっても図形要素で文字列が隠蔽されており、図８（ｄ）に示す遷移動画なし／文字列のみの場合と比較して、情報提示開始から認識完了までの時間短縮への寄与は期待できない。しかし、遷移動画の輝度変化と動きによる表示への気付き性や視線の誘因性の向上、文字数が書字方向に沿って経時的に増加することによる読み取り負担の軽減には一定の効果があると思われる。 On the other hand, in the comparative example (tc=0.6 seconds) shown in FIG. 8C, as shown by a broken line c in the graph, the transition moving image is displayed for a long time, and the driver notices the display and moves to the center of the line of sight. Even if the character information can be read in the field of view, the character string is hidden by the graphic element, and compared to the case without the transition animation/only the character string shown in FIG. 8D, from the information presentation start to the recognition completion. It cannot be expected to contribute to shortening the time. However, it is said that there is a certain effect in improving the noticeability of the display due to the brightness change and the motion of the transition video and the incentive of the line of sight, and in reducing the reading load as the number of characters increases with time along the writing direction. Seem.
　表示の認知速度や認知性能を直接計測することはできないので、実験は実際の表示装置における表示形態を完全に再現するものとはなり得ないが、この実験結果から、遷移動画の表示時間が０．３～０．５秒では顕著な正解率の向上が確認できた。一方、０．６秒では遷移動画の表示による実質化読時間の減少により、文字列のみを表示する場合よりも正解率が低くなる結果となった。また、単純点滅は文字情報の認知性能には効果が無いことが確認された。 Since the cognitive speed and cognitive performance of the display cannot be directly measured, the experiment cannot completely reproduce the display form of the actual display device. However, from this experimental result, the transition video display time is 0. It was confirmed that the correct answer rate was significantly improved in the range of 3 to 0.5 seconds. On the other hand, at 0.6 seconds, due to the reduction of the substantive reading time due to the display of the transition video, the accuracy rate was lower than that when only the character string was displayed. It was also confirmed that simple blinking had no effect on the recognition performance of text information.
　上記の結果は、表示文字数が既知の数字５文字の場合であり、文字数や表示位置による差も考えられるが、短期記憶が可能な４～８文字では、数字の他に、漢字や絵文字、記号文字でも、概ね同様の傾向にあるものと推定される。 The above results are for the case where the number of displayed characters is 5 and the difference may be caused by the number of characters and the display position. However, in the case of 4 to 8 characters that can be memorized for a short time, in addition to the numbers, Kanji, pictograms, symbols It is estimated that the letters tend to have a similar tendency.
　次に、遷移動画のさらに別の実施例について図面を参照して説明する。 Next, another embodiment of the transition video will be described with reference to the drawings.
　図９（ａ）は、矩形の図形要素が幅方向にグラデーションを有することで、移動方向前端（右側）および後端（左側）のエッジのコントラストが緩やかになり、全体としての輝度も抑えられている。このパターンは、先述した代表的な実施例と比較すると、誘目性はやや小さいが、その代わりに刺激も少ないので、緊急度や重要度が相対的に低い情報表示に好適である。 In FIG. 9A, since the rectangular graphic element has gradation in the width direction, the contrast of the edges at the front end (right side) and the rear end (left side) in the moving direction becomes gentle, and the brightness as a whole is suppressed. There is. This pattern is slightly less attractive than the above-described representative example, but is less stimulating instead, and is suitable for information display with relatively low urgency or importance.
　図９（ｂ）は、矩形の図形要素の色彩を変化させる実施例を示しており、色彩に対する認識力が弱い周辺視で見られる遷移前半には、相対的に高輝度となる白色（無彩色）の表示とし、気付き性や誘目性を優先する一方、中心視を想定した遷移後半では漸次色情報を追加して色彩による視認性の向上を図ることができる。 FIG. 9B shows an example in which the color of a rectangular graphic element is changed. In the first half of the transition, which is seen in peripheral vision, where the cognitive ability of color is weak, white (achromatic color) with relatively high brightness is shown. ), priority is given to noticeability and attractiveness, while color information can be gradually added in the latter half of the transition assuming central vision to improve the visibility by color.
　図１０は、遷移前半は文字列の表示を行わず、遷移後半から文字列の表示を開始する場合を示している。周辺視で見られる遷移前半は文字の読み取りはできないので、このパターンでも文字読み取りに支障は無く、表示開始から遷移前半の輝度変化幅は大きくなる。 FIG. 10 shows a case where the character string is not displayed in the first half of the transition and the character string is displayed in the second half of the transition. Since the characters cannot be read in the first half of the transition seen in peripheral vision, there is no problem in reading the characters even with this pattern, and the luminance change width from the start of display to the first half of the transition becomes large.
　図１１（ａ）は、図形要素の前後のエッジが斜めの場合、換言すれば、図形要素が矩形ではなく平行四辺形の場合を示している。図形要素の幾何学形状は任意に設定できるが、周辺視では形状は認識できないので、特殊形状とする意義は小さいものの、認識性能の向上は期待できる。 FIG. 11A shows the case where the front and rear edges of the graphic element are oblique, in other words, the graphic element is not a rectangle but a parallelogram. Although the geometrical shape of a graphic element can be set arbitrarily, the shape cannot be recognized by peripheral vision, so the recognition performance can be expected to improve, although the significance of the special shape is small.
　図１１（ｂ）は、矩形の図形要素が中央から現れ、左右両側に幅が拡大し、最大表示となった後に、左右両側から縮小して中央で消失するパターンを示している。先述した代表的な実施例と輝度変化は同様であるが、左右両方向への拡大縮小によって横方向の動きが相殺され、文字列の表示幅を遷移動画の動きに活用できないものの、認識性能の向上は期待できる。 FIG. 11B shows a pattern in which a rectangular graphic element appears from the center, expands in width on both left and right sides, reaches the maximum display, then shrinks from both left and right sides, and disappears in the center. Although the brightness change is similar to the representative example described above, the horizontal movement is canceled by the enlargement and reduction in both left and right directions, and the display width of the character string cannot be used for the movement of the transition video, but the recognition performance is improved. Can be expected.
　図１１（ｃ）は、上記に加えて、矩形の図形要素の上下幅も拡大縮小するパターンを示している。このパターンも上記同様、輝度変化のみが認識され、文字列の表示幅を遷移動画の動きに活用できない。これらのパターンでも、少なくとも遷移後半を代表的な実施例と同様に書字方向（右方向）に移動して消失するようにすれば、文字列の表示幅を最大限に活用することはできないものの、認識性能の向上は期待できる。 In addition to the above, FIG. 11C shows a pattern in which the vertical width of a rectangular graphic element is also scaled. In this pattern, as in the above, only the brightness change is recognized and the display width of the character string cannot be used for the movement of the transition moving image. Even in these patterns, if at least the second half of the transition is moved in the writing direction (to the right) and disappears as in the case of the typical embodiment, the display width of the character string cannot be fully utilized. , Improvement in recognition performance can be expected.
　以上、本発明のいくつかの実施形態について述べたが、本発明は上記実施形態に限定されるものではなく、本発明の技術的思想に基づいてさらに各種の変形および変更が可能であることを付言する。 Although some embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications and changes can be made based on the technical idea of the present invention. Add a note.
１　表示情報処理装置
２　表示装置（表示部）
３　車載システム
４　センサ群
５　車載ネットワーク
６，６′　文字列
７，７′　遷移動画（図形要素）
１０　フロントウインドウ
１１　インストルメントパネル
１２　バックミラー
１３　サイドミラー
１４　フロントピラーウインドウ
２０　中心視野
２１，２２　ヘッドアップディスプレイ
２３　メータークラスター
２４　カーナビゲーションシステム
２５　表示部 1 Display Information Processing Device 2 Display Device (Display Unit)
3 In-vehicle system 4 Sensor group 5 In-vehicle network 6, 6'Character string 7, 7'Transition video (graphic element)
10 Front Window 11 Instrument Panel 12 Rearview Mirror 13 Side Mirror 14 Front Pillar Window 20 Central Field of View 21,22 Head-up Display 23 Meter Cluster 24 Car Navigation System 25 Display

Claims (8)

  1. 　自動車の運転者に対する情報表示装置であって、
    　運転中の中心視野外の周辺視野領域に情報を横書き文字列で表示する機能、および、
    　前記文字列の表示開始時に、幾何学的図形要素の遷移動画を前記文字列の表示領域に重畳または合成して表示する機能を有し、
    　前記遷移動画は、前記図形要素の横幅が開始値から最大値まで拡大した後に縮小して消失し、前記縮小消失とともに前記文字列が表出するように構成されている、
    自動車の情報表示装置。     An information display device for an automobile driver,
    A function to display information in horizontal writing strings in the peripheral visual field outside the central visual field during driving, and
    When the display of the character string is started, it has a function of displaying a transition moving image of a geometrical figure element by superimposing or synthesizing it on the display area of the character string,
    The transition moving image is configured such that the horizontal width of the graphic element expands from a start value to a maximum value and then shrinks and disappears, and the character string appears with the reduction and disappearance.
    Information display device for automobiles.
  2. 　前記図形要素の横幅は、前記文字列の書字方向における始端側から拡大し、終端側に縮小消失する、請求項１記載の自動車の情報表示装置。 The information display device for an automobile according to claim 1, wherein the lateral width of the graphic element is enlarged from the starting end side in the writing direction of the character string and is reduced and disappears toward the ending side.
  3. 　前記図形要素の横幅は、前記開始値が最大値であり、前記文字列の書字方向における終端側に縮小消失する、請求項１記載の自動車の情報表示装置。 The vehicle information display device according to claim 1, wherein the horizontal width of the graphic element is such that the start value is the maximum value, and the graphic element shrinks and disappears toward the end side in the writing direction of the character string.
  4. 　表示すべき情報に対応する表示画像を生成する表示情報処理装置と、
    　運転中の中心視野外の周辺視野領域に前記表示画像を表示する表示部と、を備え、
    　前記表示情報処理装置は、前記遷移動画のデータ記憶手段と、前記横書き文字列の画像の表示開始時に、前記遷移動画を重畳または合成する画像処理手段と、を備えている、請求項１～３の何れか一項記載の自動車の情報表示装置。     A display information processing apparatus for generating a display image corresponding to information to be displayed,
    A display unit for displaying the display image in the peripheral visual field region outside the central visual field during driving,
    4. The display information processing apparatus comprises: data storage means for the transition moving image; and image processing means for superimposing or synthesizing the transition moving image at the start of displaying the image of the horizontally written character string. The information display device for an automobile according to any one of 1.
  5. 　前記データ記憶手段には、遷移パターンおよび／または色彩が異なる複数の遷移動画データが記憶されており、前記画像処理手段は、表示すべき情報に応じた遷移動画を選択して重畳または合成する機能を有する、請求項４記載の自動車の情報表示装置。 The data storage unit stores a plurality of transition moving image data having different transition patterns and/or colors, and the image processing unit selects a transition moving image according to information to be displayed and superimposes or combines the transition moving images. The vehicle information display device according to claim 4, further comprising:
  6. 　自動車の運転者に対する情報表示方法であって、
    　運転中の中心視野外の周辺視野領域に情報を横書き文字列で表示すること、および、
    　前記文字列の表示開始時に、幾何学的図形要素の遷移動画を、前記文字列の表示領域に重畳または合成して表示することを含み、
    　前記遷移動画は、前記図形要素の横幅が開始値から最大値まで拡大した後に縮小して消失し、前記縮小消失とともに前記文字列を表出させる、自動車の情報表示方法。     A method of displaying information to a driver of a car,
    Displaying information in horizontal writing strings in the peripheral visual field outside the central visual field during driving, and
    Including displaying a transition moving image of a geometrical figure element in a display area of the character string when the display of the character string is started,
    The method for displaying information of an automobile, wherein the transition moving image is enlarged and reduced in width from the start value to the maximum value of the graphic element and then disappears, and the character string is displayed together with the reduced disappearance.
  7. 　前記図形要素の横幅は、前記文字列の書字方向における始端側から拡大し、終端側に縮小消失する、請求項６記載の自動車の情報表示方法。 The method for displaying information of an automobile according to claim 6, wherein the width of the graphic element is enlarged from the start side in the writing direction of the character string and reduced and disappeared toward the end side.
  8. 　前記図形要素の横幅は、前記開始値が最大値であり、前記文字列の書字方向における終端側に縮小消失する、請求項６記載の自動車の情報表示方法。 The method for displaying information of an automobile according to claim 6, wherein the width of the graphic element is such that the start value is the maximum value and the figure element shrinks and disappears toward the end side in the writing direction of the character string.
PCT/JP2019/040178 2018-12-27 2019-10-11 Information display device and information display method for automobile WO2020137089A1 (en)

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