WO2024141769A1 - 運転支援装置及び運転支援装置の制御方法 - Google Patents
運転支援装置及び運転支援装置の制御方法 Download PDFInfo
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- WO2024141769A1 WO2024141769A1 PCT/IB2022/000743 IB2022000743W WO2024141769A1 WO 2024141769 A1 WO2024141769 A1 WO 2024141769A1 IB 2022000743 W IB2022000743 W IB 2022000743W WO 2024141769 A1 WO2024141769 A1 WO 2024141769A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
Definitions
- the present invention relates to a driving assistance device and a control method for the driving assistance device.
- Patent Document 1 discloses a driving assistance device that supports driving a vehicle by mounting imaging devices on the left, right, and rear of the vehicle and displaying images captured by each imaging device side by side on a display device inside the vehicle.
- the control unit changes the display mode for one or both of the images captured by the left and right imaging devices.
- a driving assistance device that assists in driving a vehicle by displaying an image of the area behind the vehicle on a display device inside the vehicle cabin
- different imaging devices were used to capture the image of the area behind the vehicle in the direction straight ahead when the vehicle is traveling straight ahead, and the image immediately behind the vehicle when the vehicle is reversing.
- the images captured by the different imaging devices were displayed on different display devices. This required a large number of imaging devices and display devices.
- the present invention has been made in consideration of the above, and its purpose is to provide a driving assistance device and a control method for a driving assistance device that can reduce the number of imaging devices and display devices.
- the number of imaging devices and display devices can be reduced.
- FIG. 1 is a block diagram illustrating an example of the configuration of a driving assistance device according to an embodiment.
- FIG. 2 is a diagram showing the angle of view of the imaging range captured by the imaging device when the shift position of the vehicle is in the forward position.
- FIG. 3 is a diagram showing an example of a screen displayed on the video display device when the shift position of the vehicle is in the forward position.
- FIG. 4 is a diagram showing the angle of view of the imaging range captured by the imaging device when the shift position of the vehicle is in the reverse position.
- FIG. 5 is a diagram showing an example of a screen displayed on the video display device when the shift position of the vehicle is in the reverse position.
- FIG. 6 is a flowchart showing an example of the operation of the control device shown in FIG.
- the driving assistance device 100 is mounted on a vehicle.
- the driving assistance device 100 includes a rear camera 10, a display 20, a control device 30, a shift lever switch 40, and an in-vehicle device 50.
- the rear camera 10 has an imaging element such as a CCD (Charge-Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor).
- the rear camera 10 is mounted at the rear of the vehicle.
- the installation location of the rear camera 10 is not particularly limited, but as an example, the rear camera 10 is installed near the rear license plate of the vehicle.
- the rear camera 10 is configured to be able to capture an image of an area of the rear of the vehicle, including a first area that is an area near the vehicle and a second area that is an area farther from the vehicle than the first area.
- the first area may be an area including an area immediately behind the vehicle that must be confirmed when the vehicle is backing up, as stipulated in Regulation No.
- the second area may be an area that includes an area that must be visible through a rearview mirror, as stipulated in Regulation No. 46, a regulation on rearview mirrors established by the United Nations Economic Commission for Europe.
- the first area and the second area may partially overlap.
- the rear camera 10 includes an actuator 11 and a lens 12.
- the actuator 11 changes the angle of view of the imaging range of the rear camera 10 by raising and lowering the lens 12. In other words, the angle of view of the imaging range of the rear camera 10 is variable.
- the actuator 11 switches the angle of view of the imaging range of the rear camera 10 to a wide angle by lowering the lens 12.
- the actuator 11 is controlled by the control device 30. Details of the relationship between the control of the actuator 11 by the control device 30 and the angle of view of the rear camera 10 will be described later with reference to Figures 2 and 4.
- the image data captured by the rear camera 10 is output to the control device 30.
- the image data captured by the rear camera 10 may be stored in a storage device (not shown), and the control device 30 may refer to the image data stored in the storage device.
- the display 20 is disposed within the vehicle cabin and displays the image captured by the rear camera 10.
- the display 20 is configured with an LCD television monitor or the like.
- the installation position of the display 20 is not particularly limited, but as an example, the display 20 is installed near the center position above the dashboard inside the vehicle cabin. Alternatively, the display 20 may be installed near the top center of the front window in place of the inner mirror.
- the display 20 is controlled by the control device 30. Details of the control of the display 20 by the control device 30 and the relationship with the image displayed on the display 20 will be described later with reference to Figures 3 and 5.
- the control device 30 is a general-purpose computer equipped with a CPU (Central Processing Unit), memory, input/output units, etc.
- the control device 30 is connected to the rear camera 10, the display 20, the shift lever switch 40, and the in-vehicle equipment 50.
- the in-vehicle equipment 50 includes, for example, an IVI (In Vehicle Infotainment) system, meters, air conditioning, etc., that are installed in the vehicle.
- IVI In Vehicle Infotainment
- Control device 30 functions as multiple information processing circuits equipped in the control device 30.
- the image acquisition unit 34 acquires image data captured by the rear camera 10.
- the image generation unit 35 acquires infotainment-related information from the in-vehicle device 50, and generates image data for displaying the infotainment-related information on the display 20 based on the acquired information.
- the image generation unit 35 may generate a navigation image for display on the display 20 based on navigation information acquired from the IVI.
- the type of image data generated by the image generation unit 35 is not particularly limited.
- the image generation unit 35 may generate image data, not limited to video data.
- the shift position determination unit 31 acquires information indicating the position of the shift position from the shift lever switch 40. Based on the acquired information indicating the position of the shift position, the shift position determination unit 31 determines whether the shift position is in the forward position or the reverse position. If the shift position is in the P range, N range, D range, or L range, the shift position determination unit 31 determines that the shift position is in the forward position. If the shift position is in the R range, the shift position determination unit 31 determines that the shift position is in the reverse position.
- the display determination unit 32 determines the image to be displayed on the display 20 based on the position of the vehicle's shift position. When the shift position is at least a forward position excluding the reverse position, the display determination unit 32 determines that the display mode of the image is the first display mode. On the other hand, when the vehicle's shift position is the reverse position, the display determination unit 32 determines that the display mode of the image is the second display mode.
- the angle-of-view control unit 33 controls the actuator 11 of the rear camera 10 based on the image display mode. In the first display mode, the angle-of-view control unit 33 controls the actuator 11 to raise the lens 12.
- the display control unit 36 displays the image data acquired by the image acquisition unit 34 on the display 20 based on the display mode.
- the display control unit 36 performs a process of cutting out an image of the second area a2 from the image of the area Ap captured by the rear camera 10.
- FIG. 3 is a diagram showing an example of a screen displayed on the display 20 in the first display mode.
- the display control unit 36 displays the cut-out image of the second area a2 in the upper range 22 of the display 20.
- the display control unit 36 displays an image related to infotainment in the remaining range of the display 20.
- the display control unit 36 simultaneously displays the image of the second area a2 and information related to infotainment on the display 20.
- the driving assistance device 100 can display the image of the second area in the upper area of the display 20, and display infotainment-related information in the remaining area of the display 20.
- the angle-of-view control unit 33 controls the actuator 11 to lower the lens 12.
- FIG. 4 is a diagram showing the angle of view of the imaging range captured by the rear camera 10 in the second display mode.
- the actuator 11 lowers the lens 12.
- the rear camera 10 with the actuator 11 lowering the lens 12, captures an image of an area Ar including a first area a1 and a second area a2 in the rear area of the vehicle V.
- the first area a1 is an area with a vertical angle d1 of 55°.
- the first area a1 includes an area above the second area a2, and the second area a2 is located behind the first area a1.
- the angle of view control unit 33 controls the actuator 11 of the rear camera 10 so that the angle of view of the rear camera 10 includes the first area and the second area when the shift position of the vehicle V is in the reverse position.
- FIG. 5 is a diagram showing an example of a screen displayed on the display 20 in the second display mode.
- the display control unit 36 displays the images of the first area a1 and the second area a2 in the entire range 21 of the display 20.
- the display control unit 36 displays the images of the first area a1 and the second area a2 on the same screen of the display 20. That is, when the vehicle's shift position is in the reverse position, the display control unit 36 displays the images of the first area a1 and the second area a2 on the display 20.
- the display control unit 36 displays the first area a1 in the lower area 21 of the range 21, and displays the second area a2 in the upper area 22' of the range 21. In other words, the display control unit 36 displays the second area above the first area a1. Note that the first area a1 and the second area a2 are adjacent to each other with no gap between them.
- the angle of view control unit 33 switches the angle of view of the rear camera 10 based on the display mode, and the display control unit 36 performs processing to cut out images of the first and second areas from the image of the area captured by the rear camera 10.
- the angle of view control unit 33 may control the angle of view of the rear camera 10 so that the rear camera always captures an area including the first and second areas, and the display control unit 36 may perform processing to cut out images of the first and second areas based on the display mode.
- step S2 the display determination unit 32 determines that the display mode of the image is the second display mode.
- the angle of view control unit 33 controls the actuator 11 to lower the lens 12.
- the rear camera 10 captures an image of an area including the first area and the second area with the actuator 11 lowering the lens 12.
- the display control unit 36 cuts out images of the first area and the second area from the image of the area captured by the rear camera 10.
- the display control unit 36 displays the cut-out images of the first area and the second area on the display 20, and ends the process of FIG. 6.
- the control unit when the vehicle's shift position is in the reverse position, extracts images of the first and second areas from the image captured by the imaging device and displays the images of the first and second areas on the image display device.
- the image of the first area immediately behind the vehicle, which must be visible when the vehicle is reversing, and the image of the second area, which must be visible through the rearview mirror, can be displayed on a single image display device, thereby reducing the number of image display devices.
- the first area and the second area are adjacent to each other without any gaps. This can reduce the visual discomfort felt by the user when the images of the first area and the second area are displayed.
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Abstract
Description
以下、表示判定部32が映像の表示モードを第1の表示モードと判定した場合の制御装置30の動作と、後方カメラ10の画角及びディスプレイ20に表示される映像との関係について、図2、図3を参照して説明する。
次に、表示判定部32が映像の表示モードを第2の表示モードと判定した場合の制御装置30の動作と、後方カメラ10の画角及びディスプレイ20に表示される映像との関係について、図4、図5を参照して説明する。
以上説明したように、本発明の実施形態に係る運転支援装置100は、車両に搭載された、車両の後方領域のうち、車両の近傍の領域である第1領域と、第1領域よりも車両から遠い領域である第2領域とを含む領域を撮像可能な撮像装置(後方カメラ10)と、車両の車室内に配置され、撮像装置から取得した映像を表示する映像表示装置(ディスプレイ20)と、制御部(制御装置30)と、を備える。制御部は、車両のシフトポジションが後退位置である時、第1領域及び第2領域の映像を映像表示装置に表示する。
20 ディスプレイ(映像表示装置)
30 制御装置(制御部)
100 運転支援装置
a1 第1領域
a2 第2領域
V 車両
Claims (14)
- 車両に搭載され、前記車両の後方領域のうち、前記車両の近傍の領域である第1領域と、前記第1領域よりも前記車両から遠い領域である第2領域とを含む領域を撮像可能な撮像装置と、
前記車両の車室内に配置され、前記撮像装置から取得した映像を表示する映像表示装置と、
制御部と、
を備える運転支援装置であって、
前記制御部は、前記車両のシフトポジションが後退位置である時、前記第1領域及び前記第2領域の映像を前記映像表示装置に表示する
運転支援装置。 - 前記制御部は、
前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時、前記第2領域の映像及びインフォテインメントに係る情報を同時に前記映像表示装置に表示する
請求項1記載の運転支援装置。 - 前記制御部は、
前記車両のシフトポジションが後退位置である時、
前記撮像装置が撮像した映像から、前記第1領域及び前記第2領域の映像を切り出し、
前記第1領域及び前記第2領域の映像を前記映像表示装置に表示する
請求項1又は2記載の運転支援装置。 - 前記制御部は、
前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時、
前記撮像装置が撮像した映像から、前記第2領域の映像を切り出し、
前記第2領域の映像及びインフォテインメントに係る情報を同時に前記映像表示装置に表示する
請求項1~3のいずれか一項記載の運転支援装置。 - 前記制御部は、
前記車両のシフトポジションが後退位置である時、
前記撮像装置の画角に前記第1領域及び前記第2領域が含まれるよう前記撮像装置を制御する
請求項1~4のいずれか一項記載の運転支援装置。 - 前記制御部は、
前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時、
前記撮像装置の画角に前記第2領域が含まれるよう前記撮像装置を制御する
請求項1~5のいずれか一項記載の運転支援装置。 - 前記制御部は、前記映像表示装置が備える同じ画面内に前記第1領域及び前記第2領域の映像を表示する、請求項1~6のいずれか一項記載の運転支援装置。
- 前記制御部は、前記第1領域の上側に前記第2領域を表示する、請求項1~7のいずれか一項記載の運転支援装置。
- 前記車両のシフトポジションが後退位置である時と前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時との間で、前記第2領域の表示位置及び拡大率は一致している、請求項1~8のいずれか一項記載の運転支援装置。
- 前記制御部は、前記第1領域と前記第2領域は隙間なく隣接している、請求項1~9のいずれか一項記載の運転支援装置。
- 車両に搭載され、前記車両の後方領域のうち、前記車両の近傍の領域である第1領域と、前記第1領域よりも前記車両から遠い領域である第2領域とを含む領域を撮像可能な撮像装置と、
前記車両の車室内に配置され、前記撮像装置から取得した映像を表示する映像表示装置と、
制御部と、
を備える運転支援装置の制御方法であって、
前記車両のシフトポジションが後退位置である時、前記第1領域及び前記第2領域の映像を前記映像表示装置に表示する
運転支援装置の制御方法。 - 前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時、前記第2領域の映像及びインフォテインメントに係る情報を同時に前記映像表示装置に表示する
請求項11記載の運転支援装置の制御方法。 - 前記車両のシフトポジションが後退位置である時、
前記撮像装置が撮像した映像から、前記第1領域及び前記第2領域の映像を切り出し、
前記第1領域及び第2領域の映像を前記映像表示装置に表示する
請求項11又は12記載の運転支援装置の制御方法。 - 前記車両のシフトポジションが前記後退位置を除く少なくとも前進位置である時、
前記撮像装置が撮像した映像から、前記第2領域の映像を切り出し、
前記第2領域の映像及びインフォテインメントに係る情報を同時に前記映像表示装置に表示する
請求項11~13のいずれか一項記載の運転支援装置の制御方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2022/000743 WO2024141769A1 (ja) | 2022-12-30 | 2022-12-30 | 運転支援装置及び運転支援装置の制御方法 |
| JP2024566904A JPWO2024141769A1 (ja) | 2022-12-30 | 2022-12-30 | |
| CN202280102863.2A CN120418126A (zh) | 2022-12-30 | 2022-12-30 | 驾驶辅助装置和驾驶辅助装置的控制方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/IB2022/000743 WO2024141769A1 (ja) | 2022-12-30 | 2022-12-30 | 運転支援装置及び運転支援装置の制御方法 |
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| WO2024141769A1 true WO2024141769A1 (ja) | 2024-07-04 |
| WO2024141769A8 WO2024141769A8 (ja) | 2025-04-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006264483A (ja) * | 2005-03-23 | 2006-10-05 | Aisin Aw Co Ltd | 車両周辺視認装置 |
| KR20100001155A (ko) * | 2008-06-26 | 2010-01-06 | 신우균 | 차량용 영상처리장치 |
| JP2020150499A (ja) * | 2019-03-15 | 2020-09-17 | 本田技研工業株式会社 | 運転支援装置、車両及び車両用制御装置 |
| JP2020164003A (ja) * | 2019-03-29 | 2020-10-08 | パナソニックIpマネジメント株式会社 | 監視装置、監視システム、車両および監視方法 |
| JP2020164115A (ja) * | 2019-03-29 | 2020-10-08 | パナソニックIpマネジメント株式会社 | 電子ミラーカメラシステム |
-
2022
- 2022-12-30 WO PCT/IB2022/000743 patent/WO2024141769A1/ja not_active Ceased
- 2022-12-30 JP JP2024566904A patent/JPWO2024141769A1/ja active Pending
- 2022-12-30 CN CN202280102863.2A patent/CN120418126A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006264483A (ja) * | 2005-03-23 | 2006-10-05 | Aisin Aw Co Ltd | 車両周辺視認装置 |
| KR20100001155A (ko) * | 2008-06-26 | 2010-01-06 | 신우균 | 차량용 영상처리장치 |
| JP2020150499A (ja) * | 2019-03-15 | 2020-09-17 | 本田技研工業株式会社 | 運転支援装置、車両及び車両用制御装置 |
| JP2020164003A (ja) * | 2019-03-29 | 2020-10-08 | パナソニックIpマネジメント株式会社 | 監視装置、監視システム、車両および監視方法 |
| JP2020164115A (ja) * | 2019-03-29 | 2020-10-08 | パナソニックIpマネジメント株式会社 | 電子ミラーカメラシステム |
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| WO2024141769A8 (ja) | 2025-04-03 |
| CN120418126A (zh) | 2025-08-01 |
| JPWO2024141769A1 (ja) | 2024-07-04 |
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