Digital mirror control method and device

Abstract

A digital mirror control method according to embodiments may include: a step of recognizing whether the gaze of a driver of a vehicle is directed toward a digital mirror; a step of calculating the position of the driver's face; a step of calculating the amount of movement of the driver's face based on the position; and a step of displaying an image acquired from a camera of the vehicle on the digital mirror based on the amount of movement of the driver's face.

Description

Technology Field

[0001] The embodiments relate to a digital mirror control method and apparatus. Background Technology

[0002] Recently, digital mirrors that use a rear camera to project video onto the rearview mirror instead of a traditional mirror are being adopted in vehicles. While this helps ensure visibility when there is a lot of luggage behind the vehicle or during rainy weather, there are limitations. Unlike a mirror, the field of view is restricted, and it causes inconvenience by projecting a constant image regardless of the driver's movements. A safe and efficient method for controlling digital mirrors is required. The problem to be solved

[0003] The embodiments provide a safe and efficient digital sensor mirror control method and device.

[0004] However, the scope of rights of the embodiments is not limited to the technical problems described above, and may be extended to other technical problems that a person skilled in the art can infer based on the entire content described. means of solving the problem

[0005] A digital mirror control method according to embodiments may include: a step of recognizing whether the gaze of a driver of a vehicle is directed toward a digital mirror; a step of calculating the position of the driver's face; a step of calculating the amount of movement of the driver's face based on the position; and a step of displaying an image acquired from a camera of the vehicle on the digital mirror based on the amount of movement of the driver's face. Effects of the invention

[0006] The method and apparatus according to the embodiments provide the effect of increasing the usability of the option by eliminating elements that feel different from conventional mirrors while utilizing the advantages of the digital mirror.

[0007] The method and device according to the embodiments provide the effect of improving the performance, convenience, etc. of a vehicle.

[0008] The method and apparatus according to the embodiments provide a mirror-viewing effect through an image via a vehicle camera.

[0009] The method and apparatus according to the embodiments provide the effect of enabling users of existing rearview mirrors to use the advantages of the latest technology without any sense of unfamiliarity.

[0010] The method and apparatus according to the embodiments provide the effect of being implemented without additional parts by adding logic using an existing in-cabin camera. Brief explanation of the drawing

[0011] Drawings are included to further understand the embodiments, and the drawings illustrate the embodiments along with descriptions related to the embodiments. For a better understanding of the various embodiments described below, one must refer to the description of the embodiments below in relation to the following drawings, which include parts corresponding to similar reference numerals throughout the drawings. FIG. 1 shows a digital mirror according to embodiments. FIG. 2 shows a digital mirror configuration according to embodiments. FIG. 3 shows the coordinate output of a digital mirror according to embodiments. FIG. 4 shows the position determination of a digital mirror according to embodiments. FIG. 5 shows rear camera control according to embodiments. FIG. 6 shows the setting of a digital mirror according to embodiments. FIG. 7 shows the default settings of a digital mirror according to embodiments. FIG. 8 illustrates control according to the axial movement of a digital mirror according to embodiments. FIG. 9 illustrates control according to the axial movement of a digital mirror according to embodiments. FIG. 10 illustrates control according to the axial movement of a digital mirror according to embodiments. FIG. 11 illustrates a digital mirror control method according to embodiments. FIG. 12 shows a digital mirror control device according to embodiments. Specific details for implementing the invention

[0012] Preferred embodiments of the embodiments are described in detail, and examples thereof are shown in the accompanying drawings. The following detailed description, with reference to the accompanying drawings, is intended to describe preferred embodiments of the embodiments rather than merely embodiments that may be implemented according to the embodiments. The following detailed description includes details to provide a thorough understanding of the embodiments. However, it is obvious to those skilled in the art that the embodiments may be practiced without these details.

[0013] Most terms used in the embodiments are selected from those commonly used in the field, but some terms are chosen at the applicant's discretion, and their meanings are described in detail in the following description as necessary. Accordingly, the embodiments should be understood based on the intended meaning of the terms, rather than their mere names or meanings.

[0014] FIG. 1 shows a digital mirror according to embodiments.

[0015] A vehicle according to the embodiments may include a rear camera and a digital mirror. A digital mirror according to the embodiments may include a center mirror and / or a side mirror. FIG. 1 illustrates a digital center mirror. In this document, the digital mirror may be referred to as a center mirror or a side mirror, etc. An image acquired from a rear camera may be transmitted through the digital center mirror. The image displayed by the digital mirror refers to an image acquired by the vehicle's camera. The vehicle's camera may include various cameras of the vehicle, such as a front camera, a rear camera, and a side camera. In this document, the digital mirror is described using a center mirror and the camera using a rear camera as examples, but they may be interpreted as all mirrors and all cameras of the vehicle.

[0016] The digital mirror control method and device according to the embodiments may be referred to simply as the method and device according to the embodiments.

[0017] The method and apparatus according to the embodiments provide the effect of increasing the usability of the option by eliminating elements that cause a sense of unfamiliarity with conventional mirrors while utilizing the advantages of digital mirrors. The method and apparatus according to the embodiments provide the effect of improving vehicle performance, convenience, etc. The method and apparatus according to the embodiments provide the effect of viewing through a mirror using images from a vehicle camera. The method and apparatus according to the embodiments provide the effect of allowing users who have been using conventional rearview mirrors to use the advantages of the latest technology without any sense of unfamiliarity. The method and apparatus according to the embodiments provide the effect of being implementable without additional components by adding logic while utilizing an existing in-cabin camera.

[0018] FIG. 2 shows a digital mirror configuration according to embodiments.

[0019] The control operation of the digital mirror according to the embodiments includes the following.

[0020] 1) Forward-backward movement of the driver: When the driver of the vehicle moves forward, the digital mirror can enlarge the camera image. When the driver of the vehicle moves backward, the digital mirror can reduce the camera image. When the driver of the vehicle is seated in the driver's seat and the driver's body or face approaches the mirror, the digital mirror can display the camera image enlarged because the driver intends to view an enlarged image with a narrow field of view. Conversely, when the driver's body or face moves away from the mirror, the digital mirror can display the camera image reduced because the driver intends to view a reduced image with a wide field of view. According to the embodiments, the term "face" may be interpreted as referring to the driver's head, neck, etc.

[0021] 2) Left-right movement of the driver's face: When the driver's face moves to the left, the digital mirror can display the camera image by moving it to the right. When the driver's face moves to the right, the digital mirror can display the camera image by moving it to the left. When the driver is seated in the driver's seat and the driver's body or face moves to the left from the current position, the digital mirror can display the camera image by moving it to the right, as the driver intends to view the image in the right direction within the current field of view. Conversely, when the driver's body or face moves to the right from the current position, the digital mirror can display the camera image by moving it to the left, as the driver intends to view the image in the left direction within the current field of view.

[0022] 3) Upward and downward movement of the driver's face: When the driver's face moves upward, the digital mirror can display the camera image by moving it downward. When the driver's face moves downward, the digital mirror can display the camera image by moving it upward. When the driver is seated in the driver's seat and the driver's body or face moves upward from the current position, the digital mirror can display the camera image by moving it downward, as the driver intends to view an image in the downward direction within the current field of view. Conversely, when the driver's body or face moves downward from the current position, the digital mirror can display the camera image by moving it upward, as the driver intends to view an image in the upward direction within the current field of view.

[0023] 4) Returns to default position when the driver's gaze is directed forward instead of the rearview mirror after movement: When the position of the driver's face, body, etc. of the vehicle is directed forward again instead of the rearview mirror (center mirror), the digital mirror can display the image of the default position.

[0024] 5) The default position can be adjusted by the driver using a button, and the degree of adjustment of the image can be moved relative to the default position.

[0025] FIG. 3 shows the coordinate output of a digital mirror according to embodiments.

[0026] Referring to FIG. 3, the digital mirror control method according to the embodiments allows the digital mirror to output coordinates from the camera viewpoint.

[0027] A digital mirror control device according to the embodiments can set X, Y, and Z axes based on a reference point (0,0,0) set in the camera and output the position of the driver's face as coordinates. For example, the digital mirror control device can set coordinates for controlling the mirror image based on the camera reference coordinates. The coordinate setting can be performed by the digital mirror control device, the processor of the digital mirror control device, or the in-cabin controller of the digital mirror control device.

[0028] If the position display on the coordinate axis is set numerically to a range of 0 to 100, the range from 0 to 30 can be considered as a natural movement of the driver's face and set as an unjudged zone. The unjudged zone can be controlled by a digital mirror control unit, a processor of the digital mirror control unit, or a rearview mirror controller of the digital mirror control unit. In the case of the X-axis of the Cartesian coordinate system, even with a 2D camera, the position on the coordinate system can be measured through the change in face size relative to a reference point.

[0029] FIG. 4 shows the position determination of a digital mirror according to embodiments.

[0030] Referring to FIG. 4, the digital mirror control method according to the embodiments can determine the position of the driver from the camera viewpoint using the digital mirror.

[0031] (1) A digital mirror control method according to the embodiments can detect whether the driver recognizes the rearview mirror (digital mirror). The driver's gaze recognition can be performed by a digital mirror control device, a processor of the digital mirror control device, or an in-cabin controller of the digital mirror control device. The driver's gaze recognition value (Watch_RoomMirr) can be input to the driver's gaze tracking input value (Input_Drv_EyeTracking).

[0032] (2) The digital mirror control method according to the embodiments can set the driver's position at the moment of receiving Input_Drv_EyeTracking to the driver's default position (Set Default()).

[0033] (3) The digital mirror control method according to the embodiments can calculate the amount of change of each coordinate through the difference between the coordinates of the driver (user) face position and the set default value.

[0034] (4) The digital mirror control method according to the embodiments can output the degree of camera movement according to the value of the change amount of each coordinate.

[0035] The above-described operations (2) to (4) can be performed by a digital mirror control device, a processor of the digital mirror control device, or a room mirror controller of the digital mirror control device, etc.

[0036] FIG. 6 shows rear camera control according to embodiments.

[0037] A digital mirror control method according to embodiments can control a rear camera (or cameras of a vehicle) as shown in FIG. 6.

[0038] (1) The digital mirror control method according to the embodiments can display only the square box (600) portion of the rear camera image on the actual rearview mirror.

[0039] (2) The digital mirror control method according to the embodiments provides the effect of the camera moving to match the line of sight while adjusting the area (600) displayed on the rearview mirror from the existing captured image without moving the rear camera.

[0040] FIG. 6 shows the setting of a digital mirror according to embodiments.

[0041] The digital mirror control method according to the embodiments can perform settings for digital mirror control as shown in FIG. 6.

[0042] When the vehicle's engine is turned on, the current state can transition from the initial state to the operating state. In the initial state, values ​​related to zoom in, zoom out, and up / down / left / right of the camera image are all set to their initial values ​​(e.g., 0). In the operating state, the Set_Default() operation is performed, and the X / Y / ZaxisMoving() operation can be performed. Output_DSM_Moving is a variable that becomes On when screen movement is in progress.

[0043] When Input_EngineRunning is turned on, the state transitions to an operational state, the values ​​for the digital mirror image are set to default values ​​(set_default), and movement can be performed on each axis of the Cartesian coordinate system.

[0044] If one of the flags for movement along each axis (flag_DSM_Xmoving, flag_DSM_Ymoving, flag_DSM_Zmoving) is true, the method according to the embodiments can control the image output of the digital mirror to a moving image.

[0045] FIG. 7 shows the default settings of a digital mirror according to embodiments.

[0046] The digital mirror control method according to the embodiments can perform default settings for digital mirror control as shown in FIG. 7. Each operation is as follows.

[0047] Set_Default() : This is an operation that sets a default value that serves as the basis for the amount of movement and converts the coordinates into the amount of change.

[0048] The method according to the embodiments can update the default value to the current position when it is detected that the driver's gaze is directed toward the rearview mirror (If Input_Drv_EyeTracking == Watch_RoomMirr).

[0049] Normally, the default value is set to the coordinate (0,0,0) position. The variables Delta_Xaxis, Delta_Yaxis, and Delta_Zaxis represent the amount of change in the coordinates of each axis. For example, they are used as variables representing the amount of movement of the face after the driver looks at the rearview mirror.

[0050] The method according to the embodiments recognizes whether the driver's gaze is directed toward the rearview mirror. With the driver's face position from the camera's perspective set to the default position (0, 0, 0), the movement value of the driver's face for each axis is received and set to the default position. The amount of movement of the driver's face for each axis is calculated from the default position where the driver looks toward the rearview mirror. For example, the amount of movement of the driver's face is calculated by subtracting the default position from the input driver's position information for each axis.

[0051] FIG. 8 illustrates control according to the axial movement of a digital mirror according to embodiments.

[0052] FIG. 9 illustrates control according to the axial movement of a digital mirror according to embodiments.

[0053] FIG. 10 illustrates control according to the axial movement of a digital mirror according to embodiments.

[0054] A digital mirror control method according to embodiments can move the image of a digital mirror along an axis as shown in FIGS. 8 to 10. Each operation is as follows.

[0055] Xaxis_Movement(): This operation outputs the degree of zoom in / out of the screen (image) displayed by the camera based on the amount of movement in the X-direction. If the change in axis movement is ±30 or less, the digital mirror device does not move the driver's rearview mirror screen (image). Depending on whether the change in axis movement is 30–45, 45–60, or 60 or more, the amount of image movement can be calculated, and the image with the movement applied can be output. Image movement includes movement in all directions (up, down, left, right) and / or zoom in / out. The numerical values ​​for the movement amount are examples and can be set in various ways depending on the vehicle and driver's condition.

[0056] As shown in FIG. 8 and as illustrated in FIG. 9 and FIG. 10, the same methods described above are performed on all X, Y, and Z axes.

[0057] FIG. 11 illustrates a digital mirror control method according to embodiments.

[0058] A digital mirror control method according to embodiments may include a step of recognizing whether the driver of a vehicle’s gaze is directed toward the digital mirror (S1200), a step of calculating the position of the driver’s face (S1210), a step of calculating the amount of movement of the driver’s face based on the position (S1220), and / or a step of displaying an image obtained from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face (S1230).

[0059] FIG. 12 shows a digital mirror control device according to embodiments.

[0060] The method of FIG. 11 can be performed by the device (13000) of FIG. 12. The digital mirror control device (13000) includes a memory (13001); and a processor (13002) connected to the memory; and the processor can perform the following: recognizing whether the driver of the vehicle’s gaze is directed toward the digital mirror; calculating the position of the driver’s face; calculating the amount of movement of the driver’s face based on the position; and displaying an image obtained from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face.

[0061] Referring together to FIGS. 7, FIGS. 8-10, etc., the digital mirror control method may include: a step of recognizing whether the driver of a vehicle’s gaze is directed toward the digital mirror; a step of calculating the position of the driver’s face; a step of calculating the amount of movement of the driver’s face based on the position; and a step of displaying an image obtained from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face.

[0062] Referring together with FIG. 6, the method may further include: a step of setting information regarding the movement of the image of the digital mirror as an initial value; and a step of controlling the movement of the image of the digital mirror based on a starting signal of the vehicle.

[0063] Referring to FIG. 10, when the amount of movement of the driver's face in the left-right direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves to the left, the image of the digital mirror moves to the right and is displayed, and when the driver's face moves to the right, the image of the digital mirror moves to the left and is displayed.

[0064] Referring to FIG. 9, when the amount of movement of the driver's face in the up-down direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves upward, the image of the digital mirror moves downward and is displayed, and when the driver's face moves downward, the image of the digital mirror moves upward and is displayed.

[0065] Referring to FIG. 8, when the amount of movement of the driver's face in the forward-backward direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves forward, the image of the digital mirror is enlarged and displayed, and when the driver's face moves backward, the image of the digital mirror is reduced and displayed.

[0066] Referring to FIG. 8, if the amount of movement of the driver's face is less than a certain value, no movement is applied to the image of the digital mirror.

[0067] Referring together with FIG. 12, the digital mirror control device includes a memory; and a processor connected to the memory; and the processor can perform the following: recognizing whether the driver of the vehicle’s gaze is directed toward the digital mirror; calculating the position of the driver’s face; calculating the amount of movement of the driver’s face based on the position; and displaying an image acquired from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face.

[0068] The processor may further perform: setting information regarding the movement of the image of the digital mirror as an initial value; and controlling the movement of the image of the digital mirror based on the ignition signal of the vehicle.

[0069] When the amount of movement of the driver's face in the left-right direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves to the left, the image of the digital mirror moves to the right and is displayed, and when the driver's face moves to the right, the image of the digital mirror moves to the left and is displayed.

[0070] When the amount of movement of the driver's face in the up-down direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves upward, the image of the digital mirror moves downward and is displayed, and when the driver's face moves downward, the image of the digital mirror moves upward and is displayed.

[0071] The method and apparatus according to the embodiments provide the effect of increasing the usability of the option by eliminating elements that feel different from conventional mirrors while utilizing the advantages of the digital mirror.

[0072] The method and device according to the embodiments provide the effect of improving the performance, convenience, etc. of a vehicle.

[0073] The method and apparatus according to the embodiments provide a mirror-viewing effect through an image via a vehicle camera.

[0074] The method and apparatus according to the embodiments provide the effect of enabling users of existing rearview mirrors to use the advantages of the latest technology without any sense of unfamiliarity.

[0075] The method and apparatus according to the embodiments provide the effect of being implemented without additional parts by adding logic using an existing in-cabin camera.

[0076] The embodiments have been described in terms of methods and / or devices, and the description of the methods and the description of the devices may be applied complementarily.

[0077] Although the drawings have been described separately for the convenience of explanation, it is also possible to design a new embodiment by combining the embodiments described in each drawing. Furthermore, designing a computer-readable recording medium containing a program for executing the previously described embodiments, as required by a person skilled in the art, falls within the scope of the claims of the embodiments. The apparatus and method according to the embodiments are not limited to the configuration and method of the embodiments described above; rather, the embodiments may be configured by selectively combining all or part of each embodiment to allow for various modifications. Although preferred embodiments have been illustrated and described, the embodiments are not limited to the specific embodiments described above. It is not only possible for a person skilled in the art to make various modifications without departing from the essence of the embodiments claimed in the claims, but such modifications should not be understood individually from the technical concept or perspective of the embodiments.

[0078] Various components of the device of the embodiments may be implemented by hardware, software, firmware, or a combination thereof. Various components of the embodiments may be implemented as a single chip, for example, a single hardware circuit. Depending on the embodiments, the components according to the embodiments may each be implemented as separate chips. Depending on the embodiments, at least one of the components of the device according to the embodiments may be composed of one or more processors capable of executing one or more programs, and one or more programs may include instructions for performing or executing any one or more of the operations / methods according to the embodiments. Executable instructions for performing the methods / operations of the device according to the embodiments may be stored in non-transient CRMs or other computer program products configured to be executed by one or more processors, or may be stored in transient CRMs or other computer program products configured to be executed by one or more processors. Additionally, memory according to the embodiments may be used as a concept that includes not only volatile memory (e.g., RAM, etc.) but also non-volatile memory, flash memory, PROM, etc. In addition, it may also include implementation in the form of carrier waves, such as transmission over the Internet. Furthermore, processor-readable recording media are distributed across networked computer systems, allowing processor-readable code to be stored and executed in a distributed manner.

[0079] In this document, “ / ” and “,” are interpreted as “and / or.” For example, “A / B” is interpreted as “A and / or B,” and “A, B” is interpreted as “A and / or B.” Additionally, “A / B / C” means “at least one of A, B and / or C.” Also, “A, B, C” means “at least one of A, B and / or C.” Additionally, in this document, “or” is interpreted as “and / or.” For example, “A or B” may mean 1) “A” alone, 2) “B” alone, or 3) “A and B.” In other words, “or” in this document may mean “additionally or alternatively.”

[0080] Terms such as "first," "second," etc., may be used to describe various components of the embodiments. However, the interpretation of the various components according to the embodiments should not be limited by these terms. These terms are merely used to distinguish one component from another. For example, the first user input signal may be referred to as the second user input signal. Similarly, the second user input signal may be referred to as the first user input signal. The use of these terms should be interpreted as not departing from the scope of the various embodiments. Although the first user input signal and the second user input signal are both user input signals, they do not imply the same user input signals unless clearly indicated in the context.

[0081] The terms used to describe the embodiments are intended for the purpose of describing specific embodiments and are not intended to limit the embodiments. As used in the description of the embodiments and in the claims, the singular is intended to include the plural unless explicitly indicated in the context. Expressions of and / or are used to mean including all possible combinations between the terms. Expressions of include describe the presence of features, numbers, steps, elements, and / or components and do not imply the exclusion of additional features, numbers, steps, elements, and / or components. Conditional expressions such as "if" or "when" used to describe the embodiments are not limited to being optional. It is intended to be interpreted as "when a specific condition is satisfied," "when a related action is performed in response to a specific condition," or "when a related definition is interpreted."

[0082] Additionally, operations according to the embodiments described herein may be performed by a transmitting and receiving device including memory and / or a processor, depending on the embodiments. The memory may store programs for processing / controlling operations according to the embodiments, and the processor may control various operations described in this document. The processor may be referred to as a controller, etc. Operations in the embodiments may be performed by firmware, software, and / or a combination thereof, and the firmware, software, and / or a combination thereof may be stored in the processor or in memory.

[0083] Meanwhile, the operation according to the embodiments described above may be performed by a transmitting device and / or a receiving device according to the embodiments. The transmitting and receiving device may include a transmitting and receiving unit for transmitting and receiving media data, a memory for storing instructions (program code, algorithm, flowchart and / or data) for a process according to the embodiments, and a processor for controlling the operations of the transmitting and receiving devices.

[0084] The processor may be referred to as a controller, etc., and may correspond, for example, to hardware, software, and / or a combination thereof. The operation according to the embodiments described above may be performed by the processor.

Claims

Claim 1 A digital mirror control method comprising: a step of recognizing whether the driver of a vehicle’s gaze is directed toward a digital mirror; a step of calculating the position of the driver’s face; a step of calculating the amount of movement of the driver’s face based on the position; and a step of displaying an image acquired from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face. Claim 2 A digital mirror control method according to claim 1, further comprising: a step of setting information regarding movement regarding an image of the digital mirror as an initial value; and a step of controlling the movement of the image of the digital mirror based on a ignition signal of the vehicle. Claim 3 A digital mirror control method according to claim 1, wherein when the amount of movement of the driver's face in the left-right direction is greater than or equal to a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves to the left, the image of the digital mirror is moved to the right and displayed, and when the driver's face moves to the right, the image of the digital mirror is moved to the left and displayed. Claim 4 A digital mirror control method according to claim 1, wherein when the amount of movement of the driver's face in the up-down direction is greater than or equal to a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves in the upward direction, the image of the digital mirror is moved in the downward direction and displayed, and when the driver's face moves in the downward direction, the image of the digital mirror is moved in the upward direction and displayed. Claim 5 A digital mirror control method according to claim 1, wherein when the amount of movement of the driver's face in the forward-backward direction is greater than a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves in the forward direction, the image of the digital mirror is enlarged and displayed, and when the driver's face moves in the backward direction, the image of the digital mirror is reduced and displayed. Claim 6 A digital mirror control method according to claim 1, wherein when the amount of movement of the driver's face is less than or equal to a certain value, no movement is applied to the image of the digital mirror. Claim 7 A digital mirror control device comprising: a memory; a processor connected to the memory; wherein the processor performs the following: recognizing whether the driver of a vehicle’s gaze is directed toward a digital mirror; calculating the position of the driver’s face; calculating the amount of movement of the driver’s face based on the position; and displaying an image acquired from the vehicle’s camera on the digital mirror based on the amount of movement of the driver’s face. Claim 8 A digital mirror control device according to claim 7, wherein the processor further performs: setting information regarding movement regarding the image of the digital mirror as an initial value; and controlling the movement of the image of the digital mirror based on the ignition signal of the vehicle. Claim 9 A digital mirror control device according to claim 7, wherein when the amount of movement of the driver's face in the left-right direction is greater than or equal to a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves to the left, the image of the digital mirror is moved to the right and displayed, and when the driver's face moves to the right, the image of the digital mirror is moved to the left and displayed. Claim 10 A digital mirror control device according to claim 7, wherein when the amount of movement of the driver's face in the up-down direction is greater than or equal to a certain value, the image of the digital mirror is controlled based on the amount of movement, and when the driver's face moves in the upward direction, the image of the digital mirror is moved in the downward direction and displayed, and when the driver's face moves in the downward direction, the image of the digital mirror is moved in the upward direction and displayed.

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