KR100744341B1 - Method for generating a picture frame image using a screen capture function in digital multimedia broadcasting terminal - Google Patents

Abstract

The present invention provides a method for allowing a digital multimedia broadcasting terminal to generate a frame image with a desired image by using a screen capture function. To this end, the present invention reproduces the corresponding broadcast data through a screen according to a request for performing a broadcast service mode, and when a request for a frame image generation mode and a screen capture key are input during execution of a broadcast service mode, a screen at which a capture key is input is displayed. After capturing, converting the captured still image image to the RGB format, displaying the captured still image on the screen, and selecting a specific region within the still image image from the user, and if there is an input for cutting out the selected region Cut out the selected area, insert a preset color into the cropped area, create a framed image for placing the photographed image in the cropped area, and save the created framed image in the framed image list. Allows you to create your own frames.

Capture, broadcast, still images, framed images.

Description

TECHNICAL FOR GENERATING A PICTURE FRAME IMAGE USING A SCREEN CAPTURE FUNCTION IN DIGITAL MULTIMEDIA BROADCASTING TERMINAL}

1 is an internal block diagram of a digital multimedia broadcasting terminal for generating a frame image using a screen capture function according to an embodiment of the present invention;

2 is a control flowchart for generating a frame image using a screen capture function according to an embodiment of the present invention;

3 is a control flowchart for photographing using a framed image generated according to an embodiment of the present invention;

4 is an exemplary diagram illustrating a screen of capturing image data in a broadcast service according to an embodiment of the present invention;

5 is an exemplary view showing a screen for generating a frame image using a key button according to an embodiment of the present invention;

6 is a diagram illustrating a template for use in generating a frame image according to an embodiment of the present invention;

7 is an exemplary diagram illustrating a screen for selecting a desired image area using a template when generating a frame image using a key button according to an embodiment of the present invention;

8A and 8B are exemplary views illustrating screens for generating a frame image using a touch fan according to an embodiment of the present invention.

The present invention relates to a terminal capable of taking a picture using a frame image, in particular a digital multimedia broadcasting (DMB: Digital Multimedia Bradcasting; hereinafter referred to as "DMB") terminal using a screen capture function in the frame of the user desired frame It is about how to make an image.

In general, a camera function for taking a picture in a terminal having a camera function includes a function for taking a video, a picture taking function, and the like. In particular, among the photographing functions, there are various photographing functions such as one-cut photographing, continuous photographing, and photographing using a frame image. Among these functions, the user selects one of the frame images stored in the terminal to take a picture using the frame image. Thereafter, the user moves the terminal while the selected frame image is displayed on the terminal to adjust and capture an object to be captured on the frame image. The captured photo image and the frame image are synthesized and stored.

As described above, in general, when a picture is to be taken using the current frame image, only a limited frame image stored in advance in the terminal may be used.

As described above, when taking a picture using the frame image, only the frame image stored in the terminal may be used, and thus, the user may have a problem with the existing frame over time.

Accordingly, the present invention provides a method for generating various framed images for photographing.

The present invention also provides a method for generating a frame image by editing a still image image of capturing a desired scene while watching a broadcast or watching a recorded broadcast in a digital multimedia broadcasting terminal.

According to an aspect of the present invention, there is provided a frame image generation method using a screen capture function in a digital multimedia broadcasting terminal, the method comprising: reproducing corresponding broadcast data through a screen according to a request for performing a broadcast service mode, and performing the broadcast service mode. If the request for the frame image generation mode and the screen capture key is input, the process of capturing the screen when the capture key is input, converting the captured still image image to the RGB format, and the captured still image image A predetermined specific area within the still image image is selected from the user, and if there is an input for cutting out the selected area, the selected area is cut out, and a preset color is inserted into the cut out area. Even if you take a photographed image in the cropped area, And generating a frame image for locking and storing the generated frame image in a frame image list.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

The present invention proposes a method for generating a frame image from a still image image captured by a DMB terminal having a capture function capable of capturing only a desired scene and storing a still image image while watching a broadcast or a recorded broadcast provided in real time. do.

The components and operation of the DMB terminal having a function for generating a frame image as described above will be described with reference to FIG. 1. 1 is a block diagram illustrating an internal block diagram of a digital multimedia broadcasting terminal providing a frame image generating function according to an exemplary embodiment of the present invention. According to the present invention, the DMB terminal may generate a frame image using the captured still image after performing the screen capture function.

The frame image generation function is performed under the control of the controller 170, and the controller 170 performs the overall control operation of the digital multimedia broadcasting terminal. The controller 170 stores a still image capturing a screen at the time when the predetermined key is input, when a predetermined key input for generating a frame image and a predetermined key for screen capture are input from a user while playing a broadcast. According to the present invention, a predetermined key for generating a frame image and a predetermined key for screen capture may be implemented by function keys for performing other existing functions, or may be implemented by keys provided separately. Accordingly, the controller 170 displays a still image image captured on the display unit 130 when the request for the frame image generation mode during which the broadcast data is being reproduced and the screen capture key are input. Thereafter, the controller 170 generates a frame image by inserting a preset color into the cutout region of the still image image when a predetermined specific region in the still image image is selected by the user and then an input for cutting the selected region is inserted. A detailed operation of editing a still image image captured by a user and generating a frame image is described in detail with reference to the flowchart of FIG. 2. Thereafter, the controller 170 stores the generated frame image in the frame image list in the memory 180.

The digital broadcast data receiver 110 receives digital broadcast data (hereinafter, referred to as broadcast data) through an antenna, demultiplexes a transport stream packet (TS packet), and then decodes the broadcast data through video and audio. Parse into data In this case, the demultiplexer and the decoder which perform demultiplexing may be implemented in the digital broadcast data receiver 110, and operations in the respective components implemented internally are obvious to those skilled in the art, so the detailed description thereof will be omitted. do. On the other hand, the broadcast data received by the digital broadcast data receiving unit 110 is divided into multiplexing to fit the TS packet size so that the transmission unit (not shown) of the external digital broadcasting system loads the image data and the audio data on the transmission channel. In other words, the TS packet is modulated and transmitted as an RF signal.

Subsequently, when the broadcast data is parsed into video and audio data, the parsed video and audio data is transmitted to the multimedia unit 140. The multimedia unit 140 functions as a control unit in the broadcast service mode, and outputs the transmitted video and audio data to the display unit 130 and the audio processor 150.

The display unit 130 receives and displays the display data of the key input data input from the key input unit 160 under the control of the controller 170, or visually knows the state in setting or driving a function required by the user. To help. In addition, the display unit 130 according to the present invention displays an image according to the performance of the broadcast service under the control of the controller 170 and displays the captured image image according to the capture key input. In addition, an image is displayed during a frame image process using the captured image image under the control of the controller 170.

The audio processor 150 is connected to the microphone MIC and the speaker SPK, converts the audio signal transmitted from the multimedia unit 140, outputs the audio signal through the speaker SPK, and receives the audio from the microphone MIC. The signal is converted into data and transmitted to the multimedia unit 140.

The key input unit 160 outputs its own key input data according to the input of each key provided as a device for interfacing with the user, and the key input data output from the key input unit 160 is applied to the controller 170. As a result, it is detected that such key input data becomes key input data according to the key input, and according to the result, the controller 170 performs a corresponding operation. According to the present invention, the key input unit 160 includes a broadcast key, a screen capture key, a frame image generation key, and the like.

The memory 180 stores information related to overall functions of the digital multimedia broadcasting receiving terminal and at the same time, information related to providing a broadcast service. In addition, the memory 180 stores the image and audio data transmitted through the multimedia unit 140 under the control of the controller 170, and according to an embodiment of the present invention, the frame is generated using a still image image captured on the screen Save the image to the frame image list. Here, the frame image list is a list storing the frame image and the frame image generated in advance when the terminal is manufactured.

The wireless unit 190 transmits / receives an RF signal with the base station through the antenna ANT under the control of the controller 170.

Hereinafter, to describe the above in more detail with reference to FIG. 2 which is a control flowchart for generating a frame image using a screen capture function according to an embodiment of the present invention.

Referring to FIG. 2, the controller 170 maintains a standby state in step 200, and proceeds to step 202 to check whether there is a broadcast service mode request. At this time, the broadcast service mode request may be a broadcast data real time playback request, or may be a request to play recorded broadcast data.

Accordingly, the controller 170 controls broadcast data, that is, video and audio data, to be output through the display 130 and the speaker in step 204. In the state where the image and audio data are output as described above, the controller 170 determines whether the frame image generation mode key for generating the frame image is input in step 206.

When the frame image generation mode key is input as a result of the determination, the controller 170 continuously outputs the broadcast data, and proceeds to step 208 to determine whether a capture key for capturing the screen is input. If the capture key is input as a result of the determination, the controller 170 proceeds to step 210, and the still image data corresponding to the capture key input time, that is, the still image data of the currently displayed screen, is captured in RGB (Red Green Blue) format data. Convert to In operation 212, a still image image using a template of a specific shape is displayed by the user while displaying an image of the still image data captured by the terminal display unit 130 (hereinafter, referred to as a still image image). Checks for input to truncate a part.

Step 212 will be described in more detail with reference to FIGS. 4 to 8B. First, in order to make a still image image of a broadcast image displayed on the screen by a capture key input as a frame image as shown in FIG. 4, a portion of the still image image is cut out to form a frame image. In other words, the frame image is an image created so that the photographed image cut out from the still image image can be inserted.

In this case, two methods may be described as a method for cropping a predetermined partial region of the still image image. First, there may be a method of cutting using a template in a terminal having a keypad having a direction key. In addition, there may be a second method of cutting using a stylus pen in the terminal having a touch screen. Such two methods will be described with reference to FIGS. 4 to 8B.

First, a method of cropping a partial region in a still image image captured using a template in a terminal having a keypad having a direction key will be described with reference to FIGS. 5 to 7.

Referring to FIG. 5, the captured still image image is displayed on the screen of the terminal, and icons (1, 2, 3, 4) for image editing are displayed on the upper portion of the screen, and the shape using the size, position, and point of the template is shown. The menu items for adjustment are displayed.

First of all, the icons for image editing are icons 1, 2, and 3, which are template selection icons for selecting an area for cutting into a specific shape of a circle, oval or rectangle, and icon 4 is an icon for cutting a selection area. .

Looking at the menu item for shape adjustment using the size and position of the template and the point, when the '1 resize' item is selected, the item is used to zoom in and out using the direction keys in the template's default size. In addition, the 'position adjustment' item is to move the template itself to the positions of up, down, left and right. In addition, the 'point adjustment' item is an item for adjusting the shape of the template by moving a predetermined number of points located at the edge of the template by using a direction key according to the point number selection.

The shape adjustment of the template according to the selection of the 'point adjustment' item will be described in more detail with reference to FIG. 6. FIG. 6 illustrates an example in which the circular template of the icon 1 of FIG. 5 is selected, in which six points are located at the edge of the template. In FIG. 6, although 6 points are used, the number of points can be set and changed by a user or a service provider.

Referring to FIG. 6, if the user wants to move the point 1 of the circular template to the point 10, the '3. After selecting 'Adjust Point', you can move using the up and left keys.

Next, referring to FIG. 7, an operation for cutting out a partial region in the still image image captured using the template will be described. Assuming that the user wants to store a frame image obtained by cutting out a face part from the captured still image image.

First, it is assumed that the user selects a circular template by selecting icon 1 among the template icons at the top. The selected circular template 700 is then displayed on the screen in the default size. Thereafter, in order to move the circular template 700 to the face position, the user selects the 'position adjustment' item from the menu item of FIG. 5 and moves it to the face position using the direction keys. Since the current template is a suitable size, select the 'point adjustment' item to adjust the point from the menu item. At this time, assuming that the points of the win template of FIG. 7 are the same as those of FIG. 6, select the number key '1' and move it to a desired position with the arrow keys. Similarly, the points 6 and 5 are moved to the desired position by using the number keys and the direction keys to make the shape of 710. Then, you can crop the image of the selected area by selecting the cut icon 4 from the edit icon.

Meanwhile, a method of cropping a part of a still image image captured by a stylus pen in a terminal having a touch screen will be described with reference to FIGS. 8A and 8B.

Referring to FIG. 8A, a still image captured on a screen may be displayed, and icons 500, 501, 502, 503, and 504 for image editing may be displayed on an upper portion of the screen. Looking at the icons for editing, 500, 501, and 502 are icons for performing a cutting function using a specific shape of a circle, oval, or rectangle, that is, a template of a specific shape, and 503 is an icon for selecting to use a stylus pen. 504 is an icon for selecting an image of a predetermined area using a template or a stylus pen and cutting it out.

The user may select a 500, 501 or 502 icon to cut out a predetermined image using a template while the captured still image image is displayed as shown in FIG. 8A, or use a stylus pen 505 to You can crop the image. Here, the example of cutting out a predetermined image using a template may cut out a predetermined specific area as in the first method. Further, in order to cut out a certain specific area using the stylus pen 505, the user first selects the 503 icon, and then selects the desired area with the stylus pen 505. Thereafter, the user can cut a specific area, for example, a face, by selecting the 504 icon to cut the selected area. Youngyoung's image cut out in this way can be inserted into the color pointed out and saved as a framed image.

2, the control unit 170 proceeds to step 214 in the state in which the still image captured by the user's selection is cut out in step 212. In operation 214, the controller 170 inserts a designated color into the cutout portion of the still image image. Thereafter, the process proceeds to step 216 to store the completed frame image in the frame list.

A method for photographing using a framed image stored as shown in FIG. 2 will be described with reference to FIG. 3.

In step 300, the control unit 170 maintains the standby state, and if the photo shooting mode request using the frame image is requested in step 302, the controller 170 proceeds to step 304 to display the frame image stored in the frame list. In step 306, if there is an input for selecting one frame image, the controller 170 proceeds to step 308 to take a picture using the selected frame image. In step 310, the photographed image captured by the user is converted into an RGB format, synthesized with the selected frame image, and the process proceeds to step 312, and the synthesized photo image is converted into YUV data and stored. Thereafter, in step 314, the controller 170 ends when the photographing mode using the frame image ends. Otherwise, the controller 170 proceeds to step 302 to continue the photographing operation using the frame image.

As described above, the present invention provides a frame image that allows a user to cut out an image of a desired area from a still image image capturing a desired scene while watching a broadcast or recording a broadcast on a DMB terminal.

As described above, according to the present invention, a frame image can be generated by allowing a user to generate a frame image by editing a still image image capturing a desired scene while watching a broadcast or recording a broadcast on a DMB terminal. There is an advantage to be able to take a picture using a variety of framed images.

Claims (6)

In the frame image generation method using the screen capture function in a digital multimedia broadcasting terminal, Reproducing the corresponding broadcast data through a screen according to a request for performing a broadcast service mode; When the request for the frame image generation mode and the screen capture key are input while the broadcast service mode is executed, capturing the screen at the time when the capture key is input, and converting the captured still image image to the RGB format; Displaying the captured still image on the screen; If a predetermined specific area within the still image image is selected by the user, and an input for cutting out the selected area is received, the selected area is cut out, and a preset color is inserted into the cut out area to insert a photographed image into the cut out area. Creating a frame image to make it fit, And storing the generated frame image in a frame image list. delete The process of claim 1, wherein the selecting of a specific area within the still image image from a user comprises: When a template having a predetermined shape is selected to select a predetermined image from the user, the predetermined specific area within the still image image is selected by changing the size and shape and shifting the position using the selected template according to the input. A frame image generation method using a screen capture function in a digital multimedia broadcasting terminal characterized in that the process. The digital multimedia broadcasting terminal as claimed in claim 3, wherein the size of the selected template is changed by using a direction key when selecting a size adjustment item among menu items in a frame image generation mode. To create a frame image using the screen capture function. The method of claim 3, wherein the shape change of the selected template comprises selecting one point of at least one or more points positioned at the edge of the template when selecting a point adjustment item among menu items in a frame image generation mode, and selecting the selected point. A frame image generation method using a screen capture function in a digital multimedia broadcasting terminal, characterized in that to change the shape of the template by moving all the points to the desired point by using the direction key. The digital multimedia broadcasting terminal as claimed in claim 3, wherein the position of the selected template moves the position of the template through input of a direction key when a position adjustment item is selected among menu items in a frame image generation mode. How to create frame image using screen capture function.

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