CN106101612B - Video picture switching method and device - Google Patents
Video picture switching method and device Download PDFInfo
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- CN106101612B CN106101612B CN201610394812.8A CN201610394812A CN106101612B CN 106101612 B CN106101612 B CN 106101612B CN 201610394812 A CN201610394812 A CN 201610394812A CN 106101612 B CN106101612 B CN 106101612B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The embodiment of the invention provides a video picture switching method and a video picture switching device, which are used for solving the problems of multiple operation steps and insufficient convenience of the conventional video picture switching. The video picture switching method of the embodiment of the invention comprises the following steps: overlaying layers on an original video picture; adding and storing point positions of other video pictures on the layer; when the frame is drawn on the layer of the original video picture, the video picture corresponding to the point position within the frame drawing range is opened to obtain the switched video picture. The video picture switching device of the embodiment of the invention comprises: the layer overlapping unit is used for overlapping layers on an original video picture; the video picture point adding and storing unit is used for adding and storing point positions of other video pictures on the layer; and the pointer is used for dividing a frame on the layer of the original video picture, so that the video picture corresponding to the point position within the frame dividing range is opened, and the switched video picture is obtained. Compared with the prior art, the video picture switching method and device are more convenient and faster to operate.
Description
Technical Field
The embodiment of the invention relates to the technical field of internet, in particular to a video picture switching method and device.
Background
In a conventional manner, when other cameras exist in a camera scene, if a video picture of other cameras in a certain area is to be opened in batch, only a camera list is opened one by one, or a frame is opened in a GIS map. The method has the defects that a camera list needs to be searched or other pages need to be switched to for operation, operation steps are added, and the method is not convenient enough.
Disclosure of Invention
The embodiment of the invention provides a video picture switching method and a video picture switching device, which are used for solving the problems of multiple operation steps and insufficient convenience of the conventional video picture switching.
The embodiment of the invention provides a video picture switching method, which comprises the following steps:
overlaying layers on an original video picture;
adding and storing point positions of other video pictures on the layer;
when the original video picture is framed, opening the video picture corresponding to the point location within the framing range to obtain a switched video picture;
when a frame is drawn on a layer of an original video picture, a plurality of video pictures corresponding to point positions within the frame drawing range are provided, and a plurality of switched video pictures are displayed on a display screen in a tiled mode;
overlaying layers on the original video picture; adding and storing point positions of other video pictures on the layer; when the frame is divided on the layer of the original video picture, the video picture corresponding to the point location within the frame dividing range is opened to obtain the switched video picture, and the method comprises the following steps:
overlaying a layer on each video picture; adding and storing point positions of other video pictures on the layer of each video picture; and obtaining a switched video picture after switching the video picture every time, directly drawing a frame on a layer of the switched video picture when switching again, and opening the video picture corresponding to the point position within the frame drawing range to obtain the video picture after switching again.
An embodiment of the present invention provides a video frame switching device, where the video frame switching device includes:
the layer overlapping unit is used for overlapping layers on an original video picture;
a video picture point location adding and saving unit, which is used for adding and saving the point locations of the rest video pictures on the layer;
the pointer is used for dividing a frame on the original video picture, so that the video picture corresponding to the point position within the frame dividing range is opened, and a switched video picture is obtained;
the video picture switching device also comprises a video picture tiling unit, when the picture layer of the original video picture is framed, a plurality of video pictures corresponding to the point positions within the framing range are provided, and the video picture tiling unit is used for enabling the plurality of switched video pictures to be displayed on the display screen in a tiled manner;
the layer overlapping unit is specifically used for overlapping layers on each video picture;
the video picture point location adding and storing unit is specifically used for adding and storing point locations of other video pictures on the layer of each video picture;
and obtaining a switched video picture after switching the video picture every time, directly drawing a frame on a layer of the switched video picture when switching again, and opening the video picture corresponding to the point position within the frame drawing range to obtain the video picture after switching again.
According to the video picture switching method and device provided by the embodiment of the invention, the layer is superimposed on the original video picture, the point locations of the rest video pictures are added and stored on the layer, and when the frame is divided on the layer of the original video picture, the video picture corresponding to the point location within the frame dividing range is opened to obtain the switched video picture. Compared with the prior art, the embodiment of the invention does not need to open the switched video pictures one by one through the video picture list, and does not need to open the switched video pictures through the frame division in the GIS map, thereby reducing the operation steps and being more convenient and faster to operate. Therefore, the video picture switching method and device provided by the embodiment of the invention have better effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating steps of a video frame switching method according to an embodiment of the present invention;
fig. 2 is a schematic view of an original video picture after layers are superimposed on the original video picture and points of other video pictures are added and stored on the layers by the video picture switching method according to the first embodiment of the present invention;
fig. 3 is a schematic diagram of an original video picture in which a frame is scribed on a layer of the original video picture and a twelfth video picture point is located in a frame scribing range according to the video picture switching method provided in the first embodiment of the present invention;
fig. 4 is a schematic view of a video frame after a video frame switching method switches from an original video frame to a twelfth video frame according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an original video picture in which a frame is drawn on a layer of the original video picture by the video picture switching method according to the first embodiment of the present invention, and a seventh video picture point location, an eighth video picture point location, an eleventh video picture point location, and a twelfth video picture point location are within a frame drawing range;
fig. 6 is a schematic view of a video frame switching method for switching from an original video frame to a tiled video frame according to an embodiment of the present invention (where the tiled video frame includes a seventh video frame, an eighth video frame, an eleventh video frame, and a twelfth video frame);
fig. 7 is a flowchart illustrating a step of obtaining a video frame after the video frame is switched again by switching the video frame again for the first time according to the video frame switching method provided by the second embodiment of the present invention;
fig. 8 is a flowchart illustrating a step of obtaining a video frame switched again by switching the video frame again after the first video frame switching is performed by the video frame switching method according to the third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, a method for switching video pictures according to an embodiment of the present invention includes:
step 11: overlaying layers on an original video picture;
step 12: adding and storing point positions of other video pictures on the layer;
step 13: when the original video picture is framed, the video picture corresponding to the point location within the framing range is opened to obtain the switched video picture.
In the video picture switching method provided by the embodiment of the invention, the layer is superimposed on the original video picture, the point locations of the rest video pictures are added and stored on the layer, and when the frame is scribed on the layer of the original video picture, the video picture corresponding to the point location within the frame scribing range is opened, so that the switched video picture is obtained. Compared with the prior art, the embodiment of the invention does not need to open the switched video pictures one by one through the video picture list, and does not need to open the switched video pictures through the frame division in the GIS map, thereby reducing the operation steps and being more convenient and faster to operate. Therefore, the video picture switching method provided by the first embodiment of the invention has better effect.
Referring to fig. 2, in this embodiment, the video picture point locations added and stored on the layer 102 superimposed on the original video picture 101 include a first video picture point location 103, a second video picture point location 104, a third video picture point location 105, a fourth video picture point location 106, a fifth video picture point location 107, a sixth video picture point location 108, a seventh video picture point location 109, an eighth video picture point location 110, a ninth video picture point location 111, a tenth video picture point location 112, an eleventh video picture point location 113, and a twelfth video picture point location 114, which are twelve video picture point locations in total.
Wherein, the layer 102 is a transparent layer. Because the layer 102 is superimposed on the original video picture 101, if the layer 102 is an opaque layer, the picture effect of the original video picture 101 will be affected, and if the layer 102 is designed as a transparent layer, the picture effect of the original video picture 101 will not be blocked by the layer and the effect will be poor.
Referring to fig. 3, when a frame 115 is drawn on the layer 102 of the original video picture 101, a point located within the range of the frame 115 is a twelfth video picture point 114, the number of the corresponding video pictures is 1, that is, a twelfth video picture 116 shown in fig. 4, a video picture corresponding to the twelfth video picture point 114 located within the range of the frame 115, that is, the twelfth video picture 116 directly replaces the original video picture 101, and the switched video picture is the twelfth video picture 116 and is independently displayed on the display screen.
Referring to fig. 5 and fig. 6, when the frame 117 is drawn on the layer of the original video picture 101, there are a plurality of video pictures corresponding to the points located within the range of the frame 117, which are respectively the seventh video picture 118 corresponding to the seventh video picture point 109, the eighth video picture 119 corresponding to the eighth video picture point 110, the eleventh video picture 120 corresponding to the eleventh video picture point 113, and the twelfth video picture 121 corresponding to the twelfth video picture point 114, and the switched video pictures, i.e., the seventh video picture 118, the eighth video picture 119, the eleventh video picture 120, and the twelfth video picture 121, are displayed on the display screen in a tiled manner.
The drawing frames 115 and 117 are rectangular drawing frames, the rectangular drawing frame takes the starting point of the pointer as one end point of the diagonal line of the rectangular drawing frame, and the rectangular drawing frame takes the ending point of the pointer as the other end point of the diagonal line of the rectangular drawing frame. In this case, the pointer can draw the frame 115 by only drawing from one end point of the diagonal line of the rectangle to the other end point of the diagonal line of the rectangle, so that the original video frame 101 is switched to the twelfth video frame 116; alternatively, the method is simple and convenient to operate by dividing the dividing frame 117 to switch the original video screen 101 to the tiled video screen of the seventh video screen 118, the eighth video screen 119, the eleventh video screen 120, and the twelfth video screen 121. However, only the rectangular frame 115 or 117 can be drawn in this manner. Taking fig. 5 as an example, one of the seventh video picture point 109, the eighth video picture point 110, the eleventh video picture point 113 and the twelfth video picture point 114 cannot be yielded in this way.
Therefore, the frame can also be in any shape which is selected through the pointer path and is connected end to end, in this case, the proper frame can be selected according to the requirement of the video picture which needs to be displayed, and the limitation of the frame shape is not needed.
Example two
As an implementation of the video frame switching method provided in the first embodiment of the present invention, an embodiment of the present invention further provides a video frame switching apparatus, where the video frame switching apparatus includes: the layer overlapping unit is used for overlapping layers on an original video picture; the video picture point adding and storing unit is used for adding and storing point positions of other video pictures on the layer; and the pointer is used for dividing a frame on the layer of the original video picture, so that the video picture corresponding to the point position within the frame dividing range is opened, and the switched video picture is obtained.
The video picture switching device provided by the second embodiment of the present invention superimposes a layer on an original video picture through the layer superimposing unit, adds and stores point locations of other video pictures on the layer through the video picture point location adding and storing unit, and when a frame is drawn on the layer of the original video picture through the pointer, a video picture corresponding to the point location within the frame drawing range is opened, so as to obtain a switched video picture. Compared with the prior art, the video picture switching device provided by the second embodiment of the invention does not need to open the switched video pictures one by one through the video picture list, and does not need to open the switched video pictures through the frame dividing in the GIS map, so that the operation steps are reduced, and the operation is more convenient. Therefore, the video picture switching device provided by the embodiment of the invention has better effect.
In this embodiment, the pointer may be a mouse; the drawing pen can be connected with a video picture in a wired communication mode and can also be connected with the video picture in a wireless communication mode; in addition, the video picture can also be a touch screen, and at the moment, the frame sliding operation can be realized through fingers.
Taking fig. 2 as an example, the layer 102 is a transparent layer. Because the layer 102 is superimposed on the original video picture 101, if the layer 102 is an opaque layer, the picture effect of the original video picture 101 will be affected, and if the layer 102 is designed as a transparent layer, the picture effect of the original video picture 101 will not be blocked by the layer and the effect will be poor.
Wherein the video frame switching unit further comprises a video frame replacing unit, as shown in fig. 3 for example,
when a frame 115 is drawn on the layer 102 of the original video picture 101, the point located within the range of the drawn frame 115 is a twelfth video picture point 114, the number of the corresponding video pictures is 1, that is, a twelfth video picture 116 shown in fig. 4, the video picture corresponding to the twelfth video picture point 114 located within the range of the drawn frame 115, that is, the twelfth video picture 116 directly replaces the original video picture 101, and the switched video picture is the twelfth video picture 116 and is independently displayed on the display screen.
Wherein, the video picture switching unit further comprises a video picture tiling unit, taking fig. 5 and fig. 6 as an example,
when a frame 117 is drawn on the layer of the original video picture 101, a plurality of video pictures corresponding to the point locations within the range of the drawn frame 117 are provided, and the video pictures are respectively a seventh video picture 118 corresponding to the seventh video picture point location 109, an eighth video picture 119 corresponding to the eighth video picture point location 110, an eleventh video picture 120 corresponding to the eleventh video picture point location 113, and a twelfth video picture 121 corresponding to the twelfth video picture point location 114, and the switched video pictures, i.e., the seventh video picture 118, the eighth video picture 119, the eleventh video picture 120, and the twelfth video picture 121, are displayed on the display screen in a tiled manner.
The pointers are diagonal pointers, and in the example shown in fig. 3 and 5, the frame 115 and the frame 117 are both rectangular frames, where the rectangular frame takes the starting point of the pointer as one end point of the diagonal line thereof, and the rectangular frame takes the ending point of the pointer as the other end point of the diagonal line thereof. In this case, the pointer can draw the frame 115 by only drawing from one end point of the diagonal line of the rectangle to the other end point of the diagonal line of the rectangle, so that the original video frame 101 is switched to the twelfth video frame 116; alternatively, the method is simple and convenient to operate by dividing the dividing frame 117 to switch the original video screen 101 to the tiled video screen of the seventh video screen 118, the eighth video screen 119, the eleventh video screen 120, and the twelfth video screen 121. However, only the rectangular frame 115 or 117 can be drawn in this manner. Taking fig. 5 as an example, one of the seventh video picture point 109, the eighth video picture point 110, the eleventh video picture point 113 and the twelfth video picture point 114 cannot be yielded in this way.
Therefore, the pointer can also be a path pointer, and the frame is any shape which is selected through a pointer path and is connected end to end. In this case, a suitable frame can be selected according to the requirement of the video picture to be displayed, without being limited by the shape of the frame.
EXAMPLE III
Referring to fig. 7, a video picture switching method according to a first embodiment of the present invention and a video picture switching apparatus according to a second embodiment of the present invention are described.
In the third embodiment of the present invention, the layer is only superimposed on the layer of the original video picture, and after the video picture is switched each time, the switched video picture is obtained, as shown in step 21, step 22, and step 23. Before switching again, the video picture obtained after the last switching is returned to the original video picture as shown in step 24 and step 25. In this case, it is necessary to return to the original video picture each time to perform the switching again.
The layer overlapping unit is only used for overlapping layers on an original video picture, the video picture point location adding and storing unit is only used for adding and storing other video picture point locations on the layers of the original video picture, a switched video picture is obtained after the video picture is switched every time, and before the video picture is switched again, the video picture obtained after the last switching returns to the original video picture. In this case, it is necessary to return to the original video picture each time to perform the switching again.
And returning the video picture obtained after the last switching to the original video picture is realized through a return key arranged on the switched video picture. The video picture switching device further comprises a return key, and the return key is arranged on the switched video picture. In this case, a return button needs to be provided on the video screen obtained after the switching.
Alternatively, the first and second electrodes may be,
and returning the video picture obtained after the last switching to the original video picture is realized through a return key arranged outside the switched video picture. The video picture switching device also comprises a return key which is arranged outside the switched video picture. In this case, the operation can be realized by a return key provided on the video screen display device.
Alternatively, the first and second electrodes may be,
and returning the video picture obtained after the last switching to the original video picture is realized by double-clicking the switched video picture. At the moment, the video picture switching device also comprises a double-click induction unit, and the return of the video picture obtained after the last switching to the original video picture is realized through double-click of the switched video picture.
Example four
Referring to fig. 8, a second specific implementation manner of the video picture switching method according to the first embodiment of the present invention and the video picture switching apparatus according to the second embodiment of the present invention is shown.
In the fourth embodiment of the present invention, the layer superimposing unit is configured to superimpose a layer on each video picture, and the video picture point location adding and saving unit is configured to add and save other video picture point locations on the layer of each video picture, and obtain a switched video picture after switching the video picture each time, as shown in step 31, step 32, and step 33. When the switching is performed again, the frame is directly drawn on the layer of the switched video picture, and as shown in step 34, the video picture corresponding to the point location within the frame drawing range is opened, so as to obtain the video picture after the switching is performed again. In this case, the video picture after the second switching is obtained by directly framing the switched video picture, but the remaining video picture points need to be added and stored on the layer of each video picture.
EXAMPLE five
In the video picture switching method and apparatus provided in the fifth embodiment of the present invention, the original video picture may only occupy a part of the display area of the display screen, the switched video picture occupies another part of the display area of the same display screen, and there is no overlay relationship between the original video picture and the switched video picture. In this case, the viewer can view the original video picture and the switched video picture on the same display screen, but since the display screen is divided into the original video picture display region and the switched video picture display region, the display region areas of the original video picture and the switched video picture are both small without changing the display screen area.
EXAMPLE six
In the video picture switching method and apparatus provided in the sixth embodiment of the present invention, the original video picture may be displayed on one of the display screens, and the switched video picture may be displayed on the other display screen. In this case, the original video picture and the switched video picture are displayed on different display screens, respectively, and the display area of the original video picture and the display area of the switched video picture are not reduced. However, in this case, the number of required display screens is 2, and the cost slightly increases.
The video picture switching method and/or the video picture switching device provided by the first embodiment to the sixth embodiment of the invention are/is particularly suitable for quickly calling the video picture corresponding to the video picture point in the frame-dividing range on the video picture of the large-scene camera through frame dividing.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (12)
1. A video picture switching method, comprising:
overlaying layers on an original video picture;
adding and storing point positions of other video pictures on the layer;
when a frame is scribed on the layer of the original video picture, the video picture corresponding to the point position within the frame scribing range is opened to obtain a switched video picture;
when the frame is drawn on the layer of the original video picture, a plurality of video pictures corresponding to the point positions within the frame drawing range are displayed on a display screen in a tiled mode;
overlaying layers on the original video picture; adding and storing point positions of other video pictures on the layer; when the frame is divided on the layer of the original video picture, the video picture corresponding to the point location within the frame dividing range is opened to obtain the switched video picture, and the method comprises the following steps:
overlaying a layer on each video picture; adding and storing point positions of other video pictures on the layer of each video picture; and obtaining a switched video picture after switching the video picture every time, directly drawing a frame on a layer of the switched video picture when switching again, and opening the video picture corresponding to the point position within the frame drawing range to obtain the video picture after switching again.
2. The video picture switching method according to claim 1,
the layer is a transparent layer.
3. The video picture switching method according to claim 1, wherein the frame is a rectangular frame having a start point of the pointer as one end point of a diagonal line thereof, and wherein the rectangular frame has an end point of the pointer as the other end point of the diagonal line thereof.
4. The method of claim 1, wherein the frame is any end-to-end shape selected by a pointer path.
5. The method according to claim 1, wherein the original video frame occupies only a portion of a display area of a display screen, the switched video frame occupies another portion of the display area of the same display screen, and there is no overlay relationship between the original video frame and the switched video frame.
6. The method according to claim 1, wherein the original video screen is displayed on a first display screen, and the switched video screen is displayed on a second display screen.
7. A video picture switching apparatus, characterized by comprising:
the layer overlapping unit is used for overlapping layers on an original video picture;
a video picture point location adding and saving unit, which is used for adding and saving the point locations of the rest video pictures on the layer;
the pointer is used for dividing a frame on the layer of the original video picture, so that the video picture corresponding to the point position within the frame dividing range is opened, and the switched video picture is obtained;
the video picture switching device also comprises a video picture tiling unit, when the frame is divided on the layer of the original video picture, a plurality of video pictures corresponding to the point positions within the frame dividing range are provided, and the video picture tiling unit is used for enabling the plurality of switched video pictures to be displayed on a display screen in a tiled mode;
the layer overlapping unit is specifically used for overlapping layers on each video picture;
the video picture point location adding and storing unit is specifically used for adding and storing point locations of other video pictures on the layer of each video picture;
and obtaining a switched video picture after switching the video picture every time, directly drawing a frame on a layer of the switched video picture when switching again, and opening the video picture corresponding to the point position within the frame drawing range to obtain the video picture after switching again.
8. The video picture switching apparatus according to claim 7,
the layer is a transparent layer.
9. The video picture switching apparatus according to claim 7, wherein said pointer is a diagonal pointer,
the drawing frame is a rectangular drawing frame, the rectangular drawing frame takes the starting point of the pointer as one end point of the diagonal line of the rectangular drawing frame, and the rectangular drawing frame takes the ending point of the pointer as the other end point of the diagonal line of the rectangular drawing frame.
10. The video picture switching apparatus according to claim 7, wherein said pointer is a path pointer,
the frame is in any shape of head-to-tail connection selected through a pointer path.
11. The video picture switching apparatus according to claim 7, wherein the display screen of said video picture switching apparatus is one piece,
the display screen is provided with a first display area and a second display area,
the first display area is used for displaying the original video picture,
the second display area is used for displaying the switched video picture,
there is no overlay relationship between the first display area and the second display area.
12. The video picture switching apparatus according to claim 7, wherein the video picture switching apparatus has two display panels including a first display panel and a second display panel,
the first display screen is used for displaying the original video picture,
and the second display screen is used for displaying the switched video pictures.
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| CN101883266A (en) * | 2010-07-07 | 2010-11-10 | 中兴通讯股份有限公司 | Scene switch method and system for video monitoring of monitor terminal |
| CN103841374A (en) * | 2012-11-27 | 2014-06-04 | 华为技术有限公司 | Display method and system for video monitoring image |
| CN103985229A (en) * | 2013-02-12 | 2014-08-13 | 霍尼韦尔国际公司 | System and method of alarm and history video playback |
| CN103561239A (en) * | 2013-11-07 | 2014-02-05 | 国家电网公司 | On-spot work video monitoring method |
| CN104519319A (en) * | 2014-12-11 | 2015-04-15 | 北京中星微电子有限公司 | Method and device for surveillance video display of electronic map |
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