KR101230450B1 - Method and apparatus for displaying image - Google Patents

Abstract

PURPOSE: A method of changing an image and an apparatus thereof are provided to offer location by overlaying the image of a moving object and adjusting the degree of clearness. CONSTITUTION: An image displaying device indicates a first image corresponding to a first location(S110). The device receives a signal about a second location in the first image(S120). Responding to the signal, the device overlays the first image and the second image which corresponds to the second location(S130). The device changes the level of clearness of at least one image from the first image or the second image(140). [Reference numerals] (AA) Start; (BB) End; (S110) Displaying a first image; (S120) Receiving a selecting signal about a second location in the first image from the first image corresponding to a first position; (S130) Overlaying a second image corresponding to the first image and the second location in respond to the selecting signal; (S140) Changing the degree of clearness of at least one image from the first image and the second image

Description

Image display method and apparatus therefor {Method and apparatus for displaying image}

The present invention relates to an image display method and an apparatus thereof, and more particularly, to an image display method and apparatus for displaying an image by overlaying two images and adjusting the transparency.

Recently, Internet portal companies have taken pictures of real streets around the country with high-resolution panoramas of DSLR cameras, providing services related to maps that can be seen in every corner of the alley. When using such a service, a 360-degree panoramic picture can be viewed up, down, left, right, and zoomed in and out without having to install a separate program through a self-produced flash viewer.

However, the conventional service has a problem that the process of changing the image as the user changes the current location is unnatural.

One object of an embodiment of the present invention for solving the above problems is to provide an image display method and apparatus, and in particular, overlay the image for the previous view point and the moving view point, and overlay An image display method and apparatus for displaying an image by adjusting the transparency of the image is provided.

One feature of an embodiment of the present invention for achieving the above object is the step of displaying a first image corresponding to the first position; Receiving a selection signal for a second position in the first image; In response to the selection signal, overlaying and displaying a second image corresponding to the second position and the first image; And changing the transparency of at least one of the first image and the second image.

The overlaying and displaying may include overlaying and displaying the second image behind the first image.

The changing of the transparency may include sequentially changing at least one of the transparency of the first image and the transparency of the second image.

The changing of the transparency may include expanding and displaying the first image and the second image sequentially.

The sequentially changing the transparency may include sequentially increasing the transparency given to the first image and sequentially decreasing the transparency given to the second image.

The changing of the transparency may include controlling not to display the first image when the transparency of the first image reaches a first threshold or when the transparency of the second image reaches a second threshold. have.

One feature of another embodiment of the present invention for solving the above problems is a display unit displaying a first image corresponding to the first position; A receiver configured to receive a selection signal for a second position in the first image; And a control unit which controls the second image corresponding to the second position and the first image to be overlaid and displayed on the display unit in response to the selection signal, wherein the controller includes the first image and the second image. It is to change the transparency of at least one of the images.

In an embodiment of the present invention, the image at the current position and the image at the position to be moved are overlaid and then the transparency is sequentially adjusted to make the current position feel as if it is naturally moved.

1 is a flowchart of a video display method according to an embodiment of the present invention.
2A and 2B are diagrams illustrating examples of a first image and a second image according to an embodiment of the present invention.
3A-3D illustrate an embodiment of the method of FIG. 1.
4A to 4C show another embodiment of the method of FIG. 1.
5 is a block diagram of a video display device according to an embodiment of the present invention.

The terms used in this specification will be briefly described and the present invention will be described in detail.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, the terms used in the present invention should be defined based on the meanings of the terms and the contents throughout the present invention, rather than the names of the simple terms.

When an element is referred to as "including" an element throughout the specification, it is to be understood that the element may include other elements, without departing from the spirit or scope of the present invention. In addition, the terms "... unit", "module", etc. described in the specification mean a unit for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software. .

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention;

1 is a flowchart of a video display method according to an embodiment of the present invention.

In operation S110, a first image corresponding to the first position is displayed. The first location may be a location selected by the user or set as a default. Hereinafter, for convenience of description, the first image will be described with reference to FIG. 2A.

2A is a screen displaying a first image 210 corresponding to a first position. The first image 210 may be an image photographing the surroundings in a predetermined direction from the first position. In particular, the first image 210 may be part of the panoramic image. Methods of acquiring the first image 210 may be various. For example, a panorama image is obtained by photographing a surrounding while moving a vehicle having one or more cameras mounted along a traveling direction, and a portion of the panorama image is obtained by the first image 210. It may be acquired as the image 210. The panoramic image may include 3D location information, and the 3D location information may include a pan / tilt value.

The first image 210 may include a minimap 201, an automatic driving menu 202, a display direction menu 203, a zoom menu 204, and a navigation menu 205. It may also include a direction indicator 206. The minimap 201, the auto driving menu 202, the display direction menu 203, the zoom menu 204, the navigation menu 205 and the direction indicator 206 are transparent or opaque to the first image 210. Can be displayed.

The minimap 201 may display an indicator as much as a predetermined range at a first position corresponding to the first image 210 and may include an indicator for moving the viewpoint (ie, the direction of the line of sight).

The automatic driving menu 202 is a menu for sequentially displaying images at corresponding positions while moving by a predetermined distance along the set driving route.

The display direction menu 203 is a menu for changing the view point. In one embodiment, the display direction menu 203 may be implemented as a button displaying arrows in four directions. In this case, when the user selects the up arrow, the viewpoint changes to the up direction. That is, the image taken by moving upward by a predetermined angle in the current field of view is displayed. Similarly, when the user selects the down arrow, the image in the down direction may be displayed, selecting the left arrow may display the image in the left direction, and selecting the right arrow may display the image in the right direction. Can be.

The zoom menu 204 is a menu that provides an enlargement or reduction function for the first image 210.

The navigation menu 205 is a menu that provides a function for the user to move to a desired position in the first image 210. In one embodiment, the navigation menu 205 may include a direction indicator 206 corresponding to each of the at least one direction. When the user selects one of the direction indicators 206, an image corresponding to a position moved by a predetermined distance in the corresponding direction is displayed. However, the user does not necessarily have to select one of the direction indicators 206 in moving the current position. If the user selects an arbitrary position in the first image 210, the current position may be moved to the corresponding position. .

In operation S120, a selection signal for a second position within the first image is received.

In operation S130, in response to the selection signal, the second image, which is the image corresponding to the second position, and the first image are overlaid and displayed. In the present specification, for convenience of description, the time when the first image and the second image are overlaid is referred to as a transient process. The length of the transient process may be proportional to the distance between the first position and the second position. That is, when the distance between the first position and the second position is far, it may indicate that the time required for the movement is long by setting the length of the transient process long, and when the distance between the first position and the second position is short, Setting the length short may indicate that the time required for movement is short. The image corresponding to the second position may be an image photographing the surroundings in a predetermined direction from the second position. The second image may be received from an external server through a predetermined network or may be extracted inside the image display apparatus.

Hereinafter, for convenience of description, the second image will be described with reference to FIG. 2B.

2B is a screen displaying a second image 220 corresponding to a second position. When the user selects a second position located in the forward direction in the first image 210 shown in FIG. 2A, the second image 220 corresponding to the second position will be displayed. At this time, it is preferable that the view index (ie, the direction of the eye) is not changed, but according to the exemplary embodiment, the view index may be automatically changed. For example, when the user selects a specific position in the opposite lane in the first image 210 with respect to the first position, the second image 220 photographing the surrounding in the opposite lane is displayed. At this time, since the traveling direction of the vehicle at the selected position and the traveling direction of the vehicle at the first position are opposite, it may be more convenient for the user to change the view index.

In operation S140, the transparency of at least one of the first image and the second image is changed. The method of changing the transparency may vary. Hereinafter, two methods of changing the transparency will be described. However, the present invention is not limited thereto.

i) When changing the transparency of both the first image and the second image

When the user selects the second position in the first image, the transparency of the first image is set to the original transparency, the transparency of the second image is set to the maximum, and the first image and the second image are overlaid. In the present specification, the raw transparency means a basic transparency applied to the first image or the second image when only the first image or the second image is displayed. The order in which the first image and the second image are overlaid may vary according to embodiments, but it is preferable that the second image is overlaid on the back of the first image. In the present specification, the lower the transparency, the opaque the image, the higher the transparency means that the image is transparent.

Next, transparency of the first image is sequentially increased, and transparency of the second image is sequentially decreased. In this case, an increase rate of the transparency of the first image and a decrease rate of the transparency of the second image may be different. When the transparency of the first image is increased while the transparency of the second image is decreased, the second image is more clearly seen, so that the user actually feels as if moving from the first position to the second position.

Finally, when the transparency of the first image is greater than or equal to the threshold or the transparency of the second image is less than or equal to the threshold, the movement to the second position is completed by controlling the first image not to be displayed on the screen. For example, when the transparency of the first image becomes the maximum value or the transparency of the second image is the original transparency, the first image may be controlled not to be displayed on the screen.

ii) Changing only the transparency of the first image

When the user selects the second position in the first image, the transparency of the first image and the transparency of the second image are respectively set to raw transparency, and the first image and the second image are overlaid.

Next, transparency of the first image is sequentially increased. At this time, the transparency of the second image is maintained at the raw transparency.

Finally, when the transparency of the first image is greater than or equal to the threshold, the movement to the second position is completed by controlling the first image not to be displayed on the screen.

In operation S140, the transparency of at least one of the first image and the second image may be changed, and the specific effect may be sequentially applied to the first image and the second image.

For example, in operation S140, sizes of the first image and the second image may be sequentially enlarged during the transient process. For example, suppose the second position is 5m ahead of the traveling direction from the first position. As the user moves from the first position to the second position on a real road, the buildings in front of them become sharper and closer. In order to provide such an effect, sizes of the first image and the second image may be sequentially enlarged. In this case, the size of the second image at the time when the transient process ends (that is, the time at which the transparency of at least one of the first image and the second image reaches a threshold) is equal to the original size of the second image. The second image is sequentially enlarged. In this specification, enlarging the second image may mean enlarging objects (eg, buildings or people) included in the second image, not enlarging the screen on which the second image is displayed. .

Conventionally, when a user selects a specific position in the first image, the first image is changed to a second image corresponding to the selected position, and the user perceives that the current position is suddenly changed and feels unnatural. However, in the present invention, when the user selects a specific position within the first image, the first image and the second image are overlaid and displayed for a predetermined period, and the user is sequentially adjusted by adjusting the transparency of the first image and the second image. It can be recognized that the current position is moved naturally.

Each embodiment of the method of FIG. 1 will be described with reference to FIGS. 3A-4C below. The original first image in FIGS. 3A-4C is the first image 210 in FIG. 2A, and the original second image is the second image 220 in FIG. 2B.

3A-3D illustrate an embodiment of the method of FIG. 1. In FIGS. 3A to 3D, the transparency of the first image is sequentially increased from the original transparency, and the transparency of the second image is sequentially decreased from the predetermined transparency to the original transparency.

In FIG. 3A, a first image 311 with raw transparency and a second image 312 with predetermined transparency are overlaid. In FIG. 3A, it is assumed that the predetermined transparency of the second image 312 is higher than the raw transparency.

Next, as shown in FIG. 3B, the transparency of the first image 313 is sequentially increased, and the transparency of the second image 314 is sequentially decreased. Thereafter, as illustrated in FIG. 3C, the transparency of the first image 315 reaches a threshold (eg, full transparency), or the transparency of the second image 316 reaches the raw transparency of the second image 316. In this case, as shown in FIG. 3D, the first image is not displayed on the screen, and only the second image 317 is displayed.

4A to 4C show another embodiment of the method of FIG. 1. 4A to 4C, the transparency is sequentially changed high in the raw transparency with respect to the first image, and the transparency is not changed in the raw transparency with respect to the second image.

In FIG. 4A, the first image 411 and the second image 412 are overlaid, and then referring to FIG. 4B, only the transparency of the first image 413 is gradually increased. After that, when the transparency of the first image 413 reaches a preset threshold (eg, completely transparent), as shown in FIG. 4C, the first image is not displayed on the screen, and only the second image 415 is displayed. Is displayed.

5 is a block diagram of a video display device according to an embodiment of the present invention.

Referring to FIG. 5, the image display device 510 includes a display unit 512, a receiver 514, a controller 516, and a storage unit 518, and the image display device 510 is connected to a network 520. It is connected to the server 530 which may provide a panoramic image which is a first image and a second image.

The display unit 512 displays a first image corresponding to the first position.

The receiver 514 receives a selection signal for a second position in the first image displayed on the display unit 512. The first image is an image of a view at a first position, and the second image is an image of a view at a second position. In one embodiment of the present invention, the first image may have a navigation menu for moving the view to the second position. When the user selects a menu that can move to a second position in the navigation menu, the image display device 510 provides a second image, which is an image related to the view at the second position. In one embodiment of the present invention, the first image and the second image are panorama images for a specific point. The panoramic image may include three-dimensional location information, and the three-dimensional location information may include a pan / tilt value.

The controller 516 overlays the first image and the second image corresponding to the second position on the display unit 512 in response to the user's selection signal. The video display device 510 may receive a second image of a second location corresponding to a user's selection signal from the server 530 through the network 520, and may be a storage unit 518 of the video display device 510. ) May also extract the second image.

The controller 516 preferably displays the second image on the display unit 512 after the first image. In this case, the controller 516 may give a predetermined transparency to at least one of the first image and the second image and display the same on the display unit 512. When the controller 516 provides transparency to the first image and the second image, the controller 516 may not give the original image less than the original transparency of each of the first and second images. In the present specification, the low transparency means opacity, and the high transparency means transparent than raw transparency.

The controller 516 may change the transparency of at least one of the overlaid first and second images. Preferably, the controller 516 sequentially changes the transparency of the first image and the second image. If the transparency of the first image reaches a threshold (for example, the maximum value), or the transparency of the second image reaches the original transparency of the second image, the control unit 516 displays the display unit ( Only the second image, which is not displayed on the screen 512 and has the original transparency, is controlled to be displayed on the display unit 512.

In addition, the controller 516 may sequentially enlarge the overlaid first and second images. In this case, the controller 516 determines whether the transparency of the first image reaches a threshold (for example, the maximum value) in advance, or the second when the transparency of the second image reaches the original transparency of the second image. The size of the second image may be sequentially enlarged so that the size of the image corresponds to the original size of the second image.

Hereinafter, each embodiment will be described.

The first embodiment is an embodiment in which the transparency is changed high in the original first image in which the transparency is not given with respect to the first image, and the transparency is changed low after the transparency is high in relation to the second image. .

The controller 516 overlays the first image provided with the raw transparency to the display unit 512 and the second image given the higher transparency than the original transparency, gradually increasing the transparency of the first image, and gradually increasing the transparency of the second image. Lower. After that, when the transparency of the first image reaches a preset maximum value (for example, completely transparent), the controller 516 deletes the first image and displays the original second image on the display unit 512.

The second embodiment is an embodiment in which the transparency is changed high in the original first image in which the transparency is not given in relation to the first image, and there is no change in the transparency in the original second image in relation to the second image.

The controller 516 overlays the first image provided with the raw transparency and the second image provided with the raw transparency to the display unit 512, and gradually increases the transparency of the first image. Thereafter, when the transparency of the first image becomes a preset maximum value (for example, completely transparent), or when the transparency of the second image becomes the same as that of the original second image, the controller 516 displays the first image. The original second image is deleted and displayed on the display unit 512.

In the third embodiment, the controller 516 sequentially converts the first image and the second image. If the second position is in front of the first position based on the advancing direction, the first image and the second image are enlarged sequentially to give an effect as the user moves from the first position to the second position. On the contrary, if the second position is behind the first position with respect to the advancing direction, the first image may be sequentially reduced to give an effect such that the user moves from the first position to the second position.

The above embodiments are merely examples of the present invention, but the present invention is not limited thereto.

 The image display method as described above can also be implemented as a computer-readable code on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording media in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like. The computer readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. And, functional programs, codes, and code segments for implementing the disk management method can be easily deduced by the programmers of the present invention.

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

Claims (12)

Displaying a first image corresponding to the first position;
Receiving a selection signal for a second position in the first image;
In response to the selection signal, overlaying and displaying a second image corresponding to the second position and the first image; And
When the second position is a forward direction of the first position, the first image and the second image are sequentially enlarged and displayed, and the second position is rearward of the first direction relative to the first position. The image display method of claim 1, further comprising sequentially changing the transparency of at least one of the first image and the second image while simultaneously reducing and displaying the first image. The method of claim 1, wherein the overlaying and displaying the display comprises:
And overlaying the second image behind the first image to display the second image. The method of claim 1, wherein sequentially changing the transparency comprises:
And adjusting a time interval in which the second image and the first image are overlaid according to the distance between the first position and the second position. delete The method of claim 1, wherein sequentially changing the transparency comprises:
And sequentially increasing the transparency imparted to the first image, and sequentially decreasing the transparency imparted to the second image. The method of claim 5, wherein the step of sequentially changing the transparency,
And controlling the first image not to be displayed when the transparency of the first image reaches a first threshold value or the transparency of the second image reaches a second threshold value. A display unit displaying a first image corresponding to the first position;
A receiver configured to receive a selection signal for a second position in the first image;
A control unit for controlling the second image corresponding to the second position and the first image to be overlaid and displayed on the display unit in response to the selection signal;
The controller may be configured to enlarge and display the first image and the second image sequentially when the second position is a forward direction of the first position, and the second position may be displayed with respect to the first position. The display apparatus of claim 1, wherein the transparency of at least one of the first image and the second image is sequentially changed while the first image is sequentially reduced and displayed. The method of claim 7, wherein the control unit,
And control the second image to be overlaid and displayed after the first image. 8. The apparatus of claim 7,
And adjusting a time interval for overlaying the second image and the first image on the basis of the distance between the first position and the second position. delete The method of claim 7, wherein the control unit,
And the transparency applied to the first image is sequentially increased, and the transparency applied to the second image is sequentially decreased. 12. The apparatus according to claim 11,
And if the transparency of the first image reaches a first threshold value or if the transparency of the second image reaches a second threshold value, controlling the first image not to be displayed.

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