CN105446687B - A kind of method and apparatus for spelling wall video in window signal partial enlargement - Google Patents

Abstract

The invention discloses a method for partially amplifying an image signal of a mosaic wall window, which includes: outputting a specified image signal through an image processor through opening a window, and displaying it in a specified display window; selecting a window image for zooming operation, and popping up an operation interface; controlling software In the pop-up operation interface, according to the aspect ratio of the original image, a cropping operation area with the same ratio is automatically created in the operation interface; Create an enlarged area with the same proportion; automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor; after the image processor receives the four-side cropping command, execute the four-side cropping operation to realize the four-side cropping of the image, and the image is partially enlarged and displayed.

Description

Method and device for partially amplifying image signals of video wall windows

technical field

The present invention relates to the technical field of video wall display, in particular to a method and device for partially amplifying image signals of video wall windows.

Background technique

With the development of science and technology, the signals connected to the video wall system are developing in a variety of ways. Among them, there are more and more high-resolution and ultra-high-resolution signals. To zoom in and view. The existing method is to realize local enlargement of the image by cropping the image pixels on the upper, lower, left, and right sides of the image respectively. This method has the following problems:

1. For cutting up, down, left, and right sides, the operation steps are cumbersome, the operation process takes a long time and the efficiency is low.

2. The cropped image is distorted, prone to horizontal or vertical stretching, and it is difficult to maintain the original proportion of the image.

3. It is necessary to calculate the cropped pixel data, and perform precise cropping to maintain the image ratio.

Contents of the invention

The invention provides a method and device for partially amplifying the image signal of a mosaic window, which can effectively solve the problem of cropping the upper, lower, left, right, and four sides. The operation steps are cumbersome, the operation process takes a long time, and the efficiency is low; Vertical stretching makes it difficult to maintain the original ratio of the image; it is necessary to calculate the cropped pixel data and perform precise cutting to maintain the image ratio and other technical issues.

A method for partially amplifying image signals of a wall-joining window provided by the present invention includes:

Output the specified image signal through the window of the image processor, and display it in the specified display window;

Select the window image zoom operation, and the operation interface will pop up;

In the pop-up operation interface, the control software automatically creates a cropping operation area of the same ratio in the operation interface according to the aspect ratio of the original image;

In the cropping operation area, according to the width-to-height ratio of the window image, an enlarged area of the same proportion is automatically created in the cropping operation area according to the minimum cropping ratio;

Automatically calculate the four-side cropping value and send the four-side cropping command to the image processor;

After the image processor receives the four-side cropping command, it executes the four-side cropping operation, realizes the four-side cropping of the image, and partially enlarges and displays the image.

optional,

The steps control the software to automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation area, and then automatically calculate the four-side cropping value and issue the four-side cropping Also include before the command to the image processor:

Move the magnified area to view different magnified area images of the original image.

optional,

The steps control the software to automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation area, and then automatically calculate the four-side cropping value and issue the four-side cropping Also include before the command to the image processor:

Zoom the magnified area to view images with different magnification ratios in the magnified area of the original image.

optional,

The image processor is responsible for image signal input acquisition, image signal processing, and image signal output display, and executes corresponding commands to complete image window display and image cutting by receiving control commands from the control software.

optional,

The control software includes a human-computer interaction interface. Through the control software, the operator realizes the management of the image signal and the display window, controls any image signal to be displayed in any window, and cuts the image window to enlarge the partial display.

The present invention also provides a device for partially amplifying the image signal of the wall-joining window, which is characterized in that it includes:

The output unit is used to output the specified image signal through the window opening of the image processor and display it in the specified display window;

The selection unit is used to select the zoom operation of the window image and pop up the operation interface;

The first creation unit is configured to automatically create a cropping operation area of the same ratio on the operation interface according to the width-to-height ratio of the original image in the pop-up operation interface;

The second creation unit is used to automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation area;

A computing unit, configured to automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor;

The cropping unit is configured to execute the four-side cropping operation after the image processor receives the four-side cropping command, so as to realize the four-side cropping of the image, and partially enlarge and display the image.

optional,

The second creation unit also includes:

The moving sub-unit is used for moving the zoomed-in area, so as to view images in different zoomed-in areas of the original image.

optional,

The second creation unit also includes:

The zoom subunit is used for zooming the magnified area, so as to view images of different magnified ratios in the magnified area of the original image.

It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

A method for partially amplifying the image signal of a mosaic window provided by the present invention includes: outputting the specified image signal through the image processor through the window opening, and displaying it in the specified display window; selecting the window image zoom operation, and popping up the operation interface; controlling the software In the pop-up operation interface, according to the aspect ratio of the original image, a cropping operation area with the same ratio is automatically created in the operation interface; Create an enlarged area of the same proportion; automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor; after the image processor receives the four-side cropping command, execute the four-side cropping operation to realize the four-side cropping of the image, and the image is partially enlarged and displayed, thereby Effectively solve the problem of cutting up, down, left, right and four sides. The operation steps are cumbersome, the operation process takes a long time, and the efficiency is low; the cropped image is displayed deformed, prone to horizontal or vertical stretching, and it is difficult to maintain the original proportion of the image; it is necessary to calculate the cropped pixel data and perform accurate Technical issues such as cropping to maintain image proportions.

Description of drawings

Fig. 1 is a flow chart of an embodiment of a method for partially amplifying an image signal of a mosaic window in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an embodiment of a device for partially amplifying image signals of a mosaic window in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of another embodiment of a device for partially amplifying image signals of a video wall window in an embodiment of the present invention.

Detailed ways

The invention provides a method and device for partially amplifying the image signal of a mosaic window, which can effectively solve the problem of cropping the upper, lower, left, right, and four sides. The operation steps are cumbersome, the operation process takes a long time, and the efficiency is low; Vertical stretching makes it difficult to maintain the original ratio of the image; it is necessary to calculate the cropped pixel data and perform precise cutting to maintain the image ratio and other technical issues.

Please refer to Fig. 1, an embodiment of a method for partially amplifying the image signal of a video wall window provided by the present invention includes:

101. Output the specified image signal through the window of the image processor, and display it in the specified display window;

In this embodiment, the system outputs the designated image signal through the image processor to open a window and display it in the window, wherein the image processor is responsible for image signal input acquisition, image signal processing, and image signal output display. By receiving the control command of the control software, executing the corresponding command to complete the image window display and image cutting.

It should be noted that the above image signals include dynamic picture signals and dynamic video signals.

102. Select the window image zoom operation, and the operation interface will pop up;

In this embodiment, the system control software selects the window image zoom-in operation, and pops up an operation interface for human-computer interaction.

It should be noted that the control software can be understood as a human-computer interaction interface. Through the control software, the operator realizes the management of image signals and display windows, and can control any image signal to be displayed in any window. And crop the image window, enlarge the partial display.

103. In the pop-up operation interface, the control software automatically creates a cropping operation area of the same proportion on the operation interface according to the width-to-height ratio of the original image;

In this embodiment, in the pop-up operation interface, the control software automatically creates a cropping operation area of the same proportion on the operation interface according to the aspect ratio of the original image, wherein the original image can display the largest proportion of the local area.

104. In the cropping operation area, according to the width-to-height ratio of the window image, an enlarged area of the same proportion is automatically created in the cropping operation area according to the minimum cropping ratio;

In this embodiment, in the cropping operation area, the system automatically creates an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image.

By moving the magnified area, it is possible to view images of different magnified areas of the original image; or by zooming the magnified area, it is possible to view images of different magnified ratios of the magnified area of the original image.

105. Automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor;

In this embodiment, the system automatically calculates the four-side cropping value and sends a four-side cropping command to the image processor. This operation step is a preparation for the next step.

106. After the image processor receives the four-side cropping command, execute the four-side cropping operation to realize the four-side cropping of the image, and partially enlarge and display the image.

In this embodiment, the specified image signal is output through the window of the image processor, and displayed in the specified display window; the window image zoom operation is selected, and the operation interface pops up; Ratio, automatically create a cropping operation area with the same ratio in the operation interface; in the cropping operation area, according to the width-to-height ratio of the window image, automatically create an enlarged area of the same ratio in the cropping operation area according to the minimum cropping ratio; automatically calculate the four-sided cropping value And send a four-side cropping command to the image processor; after the image processor receives the four-side cropping command, it executes a four-side cropping operation to realize the four-side cropping of the image, and the image is partially enlarged and displayed. Compared with the traditional way of manually zooming in and viewing images, which requires manual cropping operations on the top, bottom, left, and right sides of the image, this method is simpler to zoom in and view images, with fewer operating steps and more flexible and convenient operations; When cropping the top, bottom, left, and right sides of the image, it is often prone to image scale distortion. This method can realize one-time cropping while maintaining the image scale without deformation; traditional way of zooming in on the image, if you need to switch the viewing area, you need to recalculate the top, bottom, left, and right sides Clip values to perform clipping operations. This method does not need manual calculation at all, and realizes automatic calculation, which is more convenient.

The embodiment of the method for partially amplifying the video signal of the video wall window provided by the present invention has been described above. Please refer to FIG. 2 below. The embodiment of the device for partially amplifying the video signal of the video wall window provided by the present invention includes:

The output unit 201 is configured to output the designated image signal through the image processor to open a window, and display it in the designated display window.

A selection unit 202, configured to select a window image zoom operation, and pop up an operation interface;

The first creating unit 203 is configured to automatically create a cropping operation area of the same ratio on the operation interface according to the width-to-height ratio of the original image in the pop-up operation interface;

The second creating unit 204 is configured to automatically create an enlarged region of the same proportion in the cropping operation region according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation region;

A calculation unit 205, configured to automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor;

The cropping unit 206 is configured to execute the four-side cropping operation after the image processor receives the four-side cropping command, so as to realize the four-side cropping of the image, and partially enlarge and display the image.

A practical example is used below to describe the communication relationship between the above units.

Firstly, the output unit 201 outputs the specified image signal through the image processor window opening, and displays it in the specified display window;

In this embodiment, the system outputs the designated image signal through the image processor to open a window and display it in the window, wherein the image processor is responsible for image signal input acquisition, image signal processing, and image signal output display. By receiving the control command of the control software, executing the corresponding command to complete the image window display and image cutting.

It should be noted that the above image signals include dynamic picture signals and dynamic video signals.

Next, the selection unit 202 selects the window image zoom-in operation, and an operation interface pops up;

In this embodiment, the system control software selects the window image zoom-in operation, and pops up an operation interface for human-computer interaction.

It should be noted that the control software can be understood as a human-computer interaction interface. Through the control software, the operator realizes the management of image signals and display windows, and can control any image signal to be displayed in any window. And crop the image window, enlarge the partial display.

Then the first creating unit 203 controls the software to automatically create a cropping operation area of the same ratio in the operation interface according to the width-to-height ratio of the original image in the pop-up operation interface;

In this embodiment, in the pop-up operation interface, the control software automatically creates a cropping operation area of the same proportion on the operation interface according to the aspect ratio of the original image, wherein the original image can display the largest proportion of the local area.

Next, in the cropping operation area, the second creating unit 204 automatically creates an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image;

In this embodiment, in the cropping operation area, the system automatically creates an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image.

By moving the magnified area, it is possible to view images of different magnified areas of the original image; or by zooming the magnified area, it is possible to view images of different magnified ratios of the magnified area of the original image.

Then, the calculation unit 205 automatically calculates the four-side cropping value and sends a four-side cropping command to the image processor;

In this embodiment, the system automatically calculates the four-side cropping value and sends a four-side cropping command to the image processor. This operation step is a preparation for the next step.

Finally, after the image processor receives the four-side cropping command, the cropping unit 206 executes a four-side cropping operation to realize the four-side cropping of the image, and partially enlarges and displays the image.

In this embodiment, first, the output unit 201 outputs the specified image signal through the image processor window, and displays it in the specified display window; then, the selection unit 202 selects the window image zoom operation, and pops up the operation interface; then the first The creation unit 203 controls the software to automatically create a cropping operation area of the same ratio in the operation interface according to the aspect ratio of the original image in the pop-up operation interface; then, the second creation unit 204 in the cropping operation area according to the width and height of the window image Ratio, automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio; then, the computing unit 205 automatically calculates the four-side cropping value and sends a four-side cropping command to the image processor; finally, the cropping unit 206 is received by the image processor After reaching the four-side cropping command, execute the four-side cropping operation to realize the four-side cropping of the image and partially enlarge the image for display. Compared with the traditional way of manually zooming in and viewing images, which requires manual cropping operations on the top, bottom, left, and right sides of the image, this method is simpler to zoom in and view images, with fewer operating steps and more flexible and convenient operations; When cropping the top, bottom, left, and right sides of the image, it is often prone to image scale distortion. This method can realize one-time cropping while maintaining the image scale without deformation; traditional way of zooming in on the image, if you need to switch the viewing area, you need to recalculate the top, bottom, left, and right sides Clip values to perform clipping operations. This method does not need manual calculation at all, and realizes automatic calculation, which is more convenient.

The above describes the embodiment of a device for partially amplifying the image signal of a video wall window provided by the present invention. Please refer to FIG. 3 below. Another embodiment of the device for partially amplifying the image signal of a video wall window provided by the present invention includes:

The output unit 201 is configured to output the designated image signal through the image processor to open a window, and display it in the designated display window.

A selection unit 202, configured to select a window image zoom operation, and pop up an operation interface;

The first creating unit 203 is configured to automatically create a cropping operation area of the same ratio on the operation interface according to the width-to-height ratio of the original image in the pop-up operation interface;

The second creating unit 204 is configured to automatically create an enlarged region of the same proportion in the cropping operation region according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation region;

A calculation unit 205, configured to automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor;

The cropping unit 206 is configured to execute the four-side cropping operation after the image processor receives the four-side cropping command, so as to realize the four-side cropping of the image, and partially enlarge and display the image.

Wherein, the second creating unit 204 further includes:

The moving subunit 2041 is used to move the zoomed-in area to realize viewing different zoomed-in area images of the original image;

The zooming subunit 2042 is used for zooming the zoomed-in area, so as to view images with different zoom ratios in the zoomed-in area of the original image.

In this embodiment, first, the output unit 201 outputs the specified image signal through the image processor window, and displays it in the specified display window; then, the selection unit 202 selects the window image zoom operation, and pops up the operation interface; then the first The creation unit 203 controls the software to automatically create a cropping operation area of the same ratio in the operation interface according to the aspect ratio of the original image in the pop-up operation interface; then, the second creation unit 204 in the cropping operation area according to the width and height of the window image Ratio, automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio; then, the computing unit 205 automatically calculates the four-side cropping value and sends a four-side cropping command to the image processor; finally, the cropping unit 206 is received by the image processor After reaching the four-side cropping command, execute the four-side cropping operation to realize the four-side cropping of the image and partially enlarge the image for display. Compared with the traditional way of manually zooming in and viewing images, it is necessary to manually cut the top, bottom, left, and right sides of the image. This method is simpler to zoom in and view images, with fewer operating steps and more flexible and convenient operations; When cropping the top, bottom, left, and right sides of the image, it is often prone to image scale distortion. This method can realize one-time cropping while maintaining the image scale without deformation; traditional way of zooming in on the image, if you need to switch the viewing area, you need to recalculate the top, bottom, left, and right sides Clip values to perform clipping operations. This method does not need manual calculation at all, and realizes automatic calculation, which is more convenient.

In addition, the moving subunit 2041 can be used to move the magnified area to view images of different magnified areas of the original image; the zoom subunit 2042 can be used to zoom the magnified area to view images of different magnified ratios of the magnified area of the original image.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, and other media that can store program codes.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still understand the foregoing The technical solutions recorded in each embodiment are modified, or some of the technical features are replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (8)

1. A method for partially amplifying the image signal of a video wall window, characterized in that it comprises: Output the specified image signal through the window of the image processor, and display it in the specified display window; Select the window image zoom operation, and the operation interface will pop up; In the pop-up operation interface, the control software automatically creates a cropping operation area of the same ratio in the operation interface according to the aspect ratio of the original image; In the cropping operation area, according to the width-to-height ratio of the window image, an enlarged area of the same proportion is automatically created in the cropping operation area according to the minimum cropping ratio; Automatically calculate the four-side cropping value and send the four-side cropping command to the image processor; After the image processor receives the four-side cropping command, it executes the four-side cropping operation, realizes the four-side cropping of the image, and partially enlarges and displays the image. 2. the method for partially amplifying the video wall window image signal according to claim 1, characterized in that, The control software in the step described in the cropping operation area, according to the width-to-height ratio of the window image, automatically creates an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio, and then automatically calculates the four-side cropping value and issues the four-side cropping as described in the step Also include before the command to the image processor: Move the magnified area to view different magnified area images of the original image. 3. the method for partially amplifying the video wall window image signal according to claim 1, characterized in that, The control software in the step described in the cropping operation area, according to the width-to-height ratio of the window image, automatically creates an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio, and then automatically calculates the four-side cropping value and issues the four-side cropping as described in the step Also include before the command to the image processor: Zoom the magnified area to view images with different magnification ratios in the magnified area of the original image. 4. The method for partially amplifying the video wall window image signal according to any one of claims 1 to 3, characterized in that, The image processor is responsible for image signal input acquisition, image signal processing, and image signal output display, and executes corresponding commands to complete image window display and image cutting by receiving control commands from the control software. 5. The method for partially amplifying the video wall window image signal according to any one of claims 1 to 3, characterized in that, The control software includes a human-computer interaction interface. Through the control software, the operator realizes the management of the image signal and the display window, controls any image signal to be displayed in any window, and cuts the image window to enlarge the partial display. 6. A device for partially amplifying the image signal of a video wall window, characterized in that it comprises: The output unit is used to output the specified image signal through the window opening of the image processor and display it in the specified display window; The selection unit is used to select the zoom operation of the window image and pop up the operation interface; The first creation unit is configured to automatically create a cropping operation area of the same ratio on the operation interface according to the width-to-height ratio of the original image in the pop-up operation interface; The second creation unit is used to automatically create an enlarged area of the same proportion in the cropping operation area according to the minimum cropping ratio according to the width-to-height ratio of the window image in the cropping operation area; A computing unit, configured to automatically calculate the four-side cropping value and issue a four-side cropping command to the image processor; The cropping unit is configured to execute the four-side cropping operation after the image processor receives the four-side cropping command, so as to realize the four-side cropping of the image, and partially enlarge and display the image. 7. The device for partially amplifying the image signal of the video wall window according to claim 6, characterized in that, The second creation unit also includes: The moving sub-unit is used for moving the zoomed-in area, so as to view images in different zoomed-in areas of the original image. 8. The device for partially amplifying the image signal of the video wall window according to claim 6, characterized in that, The second creation unit also includes: The zoom subunit is used for zooming the magnified area, so as to view images of different magnified ratios in the magnified area of the original image.