KR100968501B1 - Method and system for providing synthesis moving picture - Google Patents

Abstract

The present invention relates to a method and system for providing a composite video. More specifically, the present invention relates to a method and a system for providing a composite video, which is capable of providing various user-oriented composite videos through image synthesis using a background video suitable for a user's preference.

The present invention includes a) receiving a subject video having a predetermined background image; b) receiving user input information for image synthesis; c) generating a composite video using the stored video and the subject video selected according to the user input information among images previously stored in a database; And d) transmitting the composite video to a user.

According to the present invention, since a synthesized video is generated using an image selected by the user and the subject video by receiving a subject video, a composite video that can satisfy various preferences of users can be provided.

Video, Video Collage, Avatar, MMS

Description

Method and system for providing composite video {Method and system for providing synthesis moving picture}

The present invention relates to a system and method for providing a composite video. More specifically, the present invention relates to a method and a system for providing a composite video, which is capable of providing various user-oriented composite videos through image synthesis using a background video suitable for a user's preference.

Recently, users who consume a variety of online contents have a strong desire to create a new culture while at the same time strongly pursuing their individuality. Therefore, they use a variety of means to express themselves online, such as the avatar (Avatar) and mini-hompy provided in a web portal site, such as this example.

Recently, User Created Content (UCC), which means user-generated content, has emerged as the main content online, and Produce Created PCC (Content Created Content, which means user-generated content, which is an evolution of UCC). The production of content is also increasing.

As users' desire to express themselves online gradually increases, the means of expression also reflects the reality of themselves, such as UCC or PCC, instead of using virtual objects such as avatars and mini homepages. There is a need for providing contents that can express themselves by avatars, rather than expressing themselves with virtual avatars, by changing to using expression means.

Such a solution requires an image processing technology that receives image data photographed by a user from an image device such as a digital camera or a PC camera and processes the image data in various ways.

This image processing technology combines or transforms real image images with synthetic images of artificial images to identify image synthesis techniques widely used in fields such as computer art, advertisement, and entertainment, and to identify objects appearing in image images. Image Analysis, which refers to a series of tasks, and Image Pattern Recognition, which refers to a task of identifying and recognizing objects such as a character, a human fingerprint, and a face given as an image image.

Among them, in order to utilize the image compositing technique, which is mainly used, it is necessary to have an editing equipment for receiving the image data photographed from the image apparatus and to edit the image data and to use the editing program freely. There is a problem that it takes a lot of time and money to obtain the desired result and the result is also not satisfactory.

The present invention has been made in order to solve the above problems, it is possible to provide a composite video that can provide a variety of user-oriented composite video through the image synthesis using a background video that matches the user's preferences subject video taken on a solid background It is an object of the present invention to provide a method and system.

Method for providing a composite video according to the present invention for achieving the above object comprises the steps of: a) receiving a subject video having a predetermined background image; b) receiving user input information for image synthesis; c) generating a composite video using the stored video and the subject video selected according to the user input information among images previously stored in a database; And d) transmitting the composite video to a user.

In addition, the composite video providing system according to the present invention includes an image receiving unit for receiving a subject video having a predetermined background image; An information manager which receives user input information for synthesizing a video; An image database in which images for synthesizing the moving images are stored in advance; A synthesized image generator configured to generate a synthesized moving image using the image selected in accordance with the user input information and the subject image among images previously stored in the image database; And an image transmitter for transmitting the composite video to a user.

According to the present invention, since a synthetic video is generated by using a user's selected image and the subject's video among various images pre-stored in a database by receiving a subject's video having a transparent background, the synthesis can satisfy various preferences of users. You can provide a video.

In addition, since the video synthesis process for generating a composite video is performed in a Flash Video (FLV) format instead of the Shock Wave Flash (SWF) format, an alpha channel included in the subject video is included. It is possible to create a high quality composite video by preventing the transparency information corruption.

In addition, by converting the composite video according to the present invention for MMS (Multimedia Mail Service) to send to the user or the mobile phone of the subject, to produce a variety of content, such as the background image of the mini homepage, using a subject video having a transparent background The user can provide various contents such as an avatar or a widget that can be used online.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible, even if shown on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, preferred embodiments of the present invention will be described below, but the technical idea of the present invention may be implemented by those skilled in the art without being limited or limited thereto.

1 is a block diagram of a composite video providing system according to a preferred embodiment of the present invention. As shown in FIG. 1, the composite video providing system 100 includes an image receiving unit 110, an information managing unit 120, an image database 130, a composite image generating unit 140, a file format converting unit 150, and An image transmitter 160 is included.

The image receiver 110 receives a subject video having a predetermined background image.

The subject video may be generated by an external subject video generating device 10 and may be a subject video having a predetermined video background generated by using a subject video having a transparent background image or a subject video having the transparent background image. Can be.

The subject video having the transparent background image was developed by Adobe in a state where the monochrome background was removed after photographing on a single color background for use of a chroma key method, which is a kind of image synthesis. The video converted into the ShockWave Flash (SWF) format and the subject video having the predetermined video background include the subject video having the transparent background image, among the images previously stored in the subject video generating device 10. It is preferable that the video is synthesized with the video selected by the user and then converted into the Flash Video (FLV) format, which is a video format for the web developed by Adobe.

The Shockwave Flash format is a format used by Adobe's Flash program. It is a low-capacity, streaming format that is mainly used online. The Flash Video format is about 25 percent smaller than a normal video format and has no image quality loss. In short, it is a format commonly used in representative UCC sharing sites such as YouTube.

In addition, the image receiving unit 110 may further receive a thumbnail image, which is a still image that can be captured from the subject moving image generated by the subject moving image generating apparatus 10.

The information manager 120 receives a portion of user input information for image synthesis.

The user input information is converted from the composite video by the stored image selection information or the file format conversion unit 150 for selecting at least one of the images or the background music previously stored in the image database 130 for the image synthesis. It may be file format selection information for selecting at least one or more of the possible file formats or purchase request information for the character image and the item that can be provided to the user in the composite video providing system 100.

The stored image selection information is information that can be input by the user online, and at least one image or background music is selected for synthesis with the subject image among images or background music previously stored in the image database 130. Information.

The file format selection information is information that can be input by the user online. The file format conversion unit 150 synthesizes the synthesized video or reproduces the synthesized video file format according to the file format selection information. A file format, a file format for a mini homepage background image, a file format for a multimedia mail service (MMS), or a file format for a widget can be converted.

The purchase request information may be information for purchasing a character image and an item that can be used in a personalization service or an online community that can be provided to a user who uses the composite video providing system 100 in the composite video providing system 100.

In addition, the information manager 120 further transmits the video file information including the file name, creation date, self storage path, query information, and session information of the subject video and thumbnail image generated by the subject video generating apparatus 10. I can receive it.

In addition, the information manager 120 may include a mobile number for transmitting a multimedia mail service (MMS) that the user may input on the subject video generating apparatus 10, a password for using the personalization service or an online community, and a subject video generating apparatus. The device number automatically generated in 10 may be further transmitted.

The image database 130 is a part in which images for image synthesis are stored.

In this case, the image database 130 may include background music that may be synthesized with the subject image received by the image receiving unit 110 or the subject image when the image is received, and skins and characters used in the personalization service or online community. , And items may be further stored.

The composite image generating unit 140 generates a composite video using the image or the background music and the subject video selected according to the stored image selection information among the images or the background music previously stored in the image database 130. That's the part.

A detailed configuration of the composite image generator 140 will be described below with reference to FIG. 3.

The file format conversion unit 150 converts the composite video into a file format determined according to the file format selection information.

In this case, the file format is preferably a synthesized video or a reproduced video file format. The reproduced composite video file format may be a file format for an avatar, a file format for a background image, a file format for a multimedia mail service (MMS), or a file format for a widget.

The image transmitter 160 transmits the composite image to the user.

The image transmitting unit 160 synthesizes the synthesized video generated by the composite image generating unit 140 according to the stored image selection information or the synthesized complete video converted by the file format converting unit 150 according to the file format selection information. Alternatively, the reproduced composite video file format, for example, a file format for an avatar, a file format for a mini homepage background image, or a file format for a multimedia mail service (MMS) may be transmitted to a user.

For example, when the image transmission unit 160 transmits the composite video converted to the MMS file format to the user, the user first selects the file format selection information and the mobile number for converting the composite video to the MMS file format. When transmitting to the information manager 120, the information manager 120 controls the file format converter 150 to convert the composite video into a file format for MMS.

In this case, the MMS file format may include a SKM file format of SKT, an MP4 file format commonly used by LGT and KTF. The file format conversion unit 150 converts the composite video into the SKM file format or the MP4 file format for MMS and transmits the converted video to 176 X 144 and 15 frames per second. It is desirable to.

The composite video converted by the file format converter 150 may be transmitted from the image transmitter 160 to be completed and stored in the mobile phone of the user through a corresponding communication company.

Although not shown in the drawing, the composite video providing system 100 may provide a personalization service or online community for users who use the composite video providing system 100 and a character image or item that the user may use in the personalization service or online community. Can be provided to the user.

In addition, the composite video providing system 100 of the present invention may provide affiliated content, such as games or fortunes that can be supplied by a shopping mall such as Soho Mall or a brand mall or an external affiliated company.

In addition, the composite video providing system 100 of the present invention includes a video file including the file name, creation date, self storage path, query information, and session information of the subject video and thumbnail image generated by the subject video generating device 10. File information and a mobile number for MMS (Multimedia Mail Service) transmission that the user can input on the subject video generating device 10, a password for using the personalization service or an online community, and the subject video generating device 10 automatically It may further include a database for storing the device number to be generated.

2 is a flowchart illustrating a method for providing a composite video according to a preferred embodiment of the present invention. As shown in FIG. 2, the method for providing a composite video according to the present invention includes the following steps performed in time series in the composite video providing system 100.

In S10, the image receiving unit 110 receives a subject video. The subject video is generated by an external subject video generating device 10.

The subject video may be a subject video generated by capturing a subject on a solid background and generated using a subject video having a transparent background or a subject video having the transparent background image and having a predetermined video background.

For example, the process of generating the subject video from the subject video generating device 10 and transmitting the same to the image receiving unit 110 before the step S10 is as follows.

The user inserts a bill into the subject video generating device 10 to activate the selection menu window. The background image, the foreground image, or the background music stored in the subject video generating device 10 is selected through the selection menu window.

Next, the photographing of the user is performed on a monochrome background, and a background image, a foreground image, or background music selected through the selection menu window is selected from the subject video having the transparent background. A moving picture of a subject having a predetermined moving picture background is generated.

In this case, the capturing and generating of the subject video may be performed a plurality of times, and the user selects a desired subject video from the plurality of subject videos.

Finally, after receiving the transmission agreement for the composite video providing system 100 or the mobile phone for the subject video selected by the user, the subject video is the image receiving unit 110 or the user of the composite video providing system 100. When the transfer is made to the cell phone, it is terminated.

In addition, the image receiving unit 110 may further receive a thumbnail image, which is a still image that can be captured from the subject moving image generated by the subject moving image generating apparatus 10.

In operation S20, the information manager 120 receives user input information for image synthesis.

The user input information may be input online by the user, and at least one or more images or background music among images or background music previously stored in the image database 130 for image synthesis by the composite image generating unit 140. The file format selection information or the composite video providing system 100 for selecting one of the file formats that can be converted for the file format conversion of the composite video by the stored image selection information or the file format conversion unit 150 for selecting the It may be purchase request information on a character image and an item that can be provided to a user.

The information manager 120 controls the synthesized image generating unit 140 according to the stored image selection information to make at least one or more selected images or background music stored in the image database 130 in advance. And a composite video can be generated by combining the subject video. The information management unit 120 controls the file format conversion unit 150 according to the file format selection information to synthesize the synthesized video or to reproduce the synthesized video file format, for example, a file format for a mini homepage background image, A file format for an MMS (Multimedia Mail Service), an avatar file format, or a widget format can be converted.

In addition, the information manager 120 may include video file information including a self-storing path, a file name, a creation date, query information, and session information of the subject video and the thumbnail image generated by the subject video generating apparatus 10, and the user may include the subject. A phone number for MMS (Multimedia Mail Service) transmission that can be input on the video generating device 10, a password for using the personalization service or an online community, or a device number automatically generated by the subject video generating device 10. Can be sent.

In operation S30, the synthesized image generator 140 generates a synthesized video by using the image or background music selected by the user and the subject video among the images or the background music previously stored in the image database 130.

The subject video having the transparent background or the subject video having the predetermined video background before the step S30 is converted into a format capable of securing versatility for smooth image editing in the composite image generating unit 140, and then the composite video. It is preferable that the transmission is made to the generation unit 140.

In this case, a detailed process of generating the composite video by the composite image generator 140 will be described with reference to FIG. 4.

In operation S40, the file format conversion unit 150 converts the composite video into a file format based on the file format selection information, and then the image transmission unit 160 transmits the composite video or the composite video having the file format conversion to the user. Termination is made.

The file format converted from the composite video in the file format conversion unit 150 may be a synthesized video or a reproduced composite video file format, for example, a file format for avatar, a file format for a background image, MMS (Multimedia Mail). It may be a file format for a service or a file format for a widget.

The image transmitter 160 may be configured to convert the synthesized video or the reproduced synthesized video file format according to the composite video or the file format selection information generated according to the stored image selection information, for example, a file format for an avatar, The user can transmit a composite video file that has been converted into a file format for a background image or a file format for a multimedia mail service (MMS).

As described above, in the composite image providing method of the present invention, the image receiving unit 110 receives a subject video having a predetermined background, and the image is generated by the composite image generating unit 140 according to the user information inputted to the information manager 120. The synthesized moving picture is generated by combining the selected moving picture and the subject moving picture among the stored pictures previously stored in the database 130.

The file format converter 150 synthesizes the synthesized video according to the user information, or reproduces the synthesized video file format, the file format for the avatar, the file format for the background image, the MMS file, and the multimedia mail service. Format or a widget (Widget) file format, and then the image transmission unit 160 can provide the user with the composite video or the composite video file is converted to the file format, so that the user is conveniently a virtual character It is possible to characterize and utilize one's own face rather than one.

3 is a detailed view of a composite image generating unit according to an exemplary embodiment of the present invention. As shown in FIG. 3, the synthesized image generator 140 includes a background converter 142, an image format converter 144, a background transparentizer 146, and an image synthesizer 148.

The background converter 142 converts the background of the subject video into a single color.

The image format converter 144 is a part for converting a subject video obtained by converting the background into a single color into a flash video (FLV) format.

The background transparent unit 146 removes the background color of the subject video in which the conversion is performed, and then sets the transparent value to make the background transparent.

The image synthesizing unit 148 is a part for generating a synthesized moving image by using the image or music selected in accordance with the user input information among the images or music stored in the image database and the subject moving image.

4 is a detailed view of S30 of FIG. 2. As shown in FIG. 4, the S30 may include the following steps that are performed in time series by the synthesized image generator 140.

In S32, the background converter 142 converts the background of the subject video into a single color.

The subject video has a transparent background image, and a background image of the subject video having the transparent background image is processed as a single color to generate a subject image having a single color background.

In S34, the image format converter 144 converts the subject video having the background processed into a single color into a flash video (FLV) format for image synthesis.

The Flash Video (FLV) format, a video format, is about 25 percent lower than other video formats and has excellent image quality compared to other video formats. The most popular video format on the site.

The reason for converting the subject image converted into the Shock Wave Flash (SWF) format in the S34 to the Flash Video (FLV) format is stored in the image database 130 in advance in the Shock Wave Flash format. This is because when the synthesized moving picture is generated through image combining with the image, the transparency value information of the alpha channel included in the subject moving picture is damaged, thereby degrading the quality of the synthesized moving picture.

Therefore, in S32, it is preferable to convert the background of the subject video having a transparent state into a single color, and then convert the subject video to a flash video (FLV) format in S34.

In S36, the background transparent unit 146 removes the background color of the subject video converted to the flash video format and then completely adjusts the background to make the background transparent.

Since the subject video converted to the flash video format is processed with a single color of a background, the background is completely removed so that the background color can be easily combined with other background images by adjusting the transparency value of the subject image from which the background color is removed. Can be transparent.

In operation S38, the image synthesizing unit 148 uses the at least one image or the background music and the subject image selected according to the user input information among the images or the background music stored in the image database 130 in the subject video. After generating the composite video is terminated.

In addition, the composite image generating unit 140 may generate a composite video from a subject video having a predetermined video background that can be transmitted by the subject video generating device 10.

When generating a composite video from the subject video having the predetermined video background, the steps S32 to S36 are omitted and S38 is directly performed to generate the composite video from the subject video having the predetermined video background.

As described above, the composite video generated by the composite image generating unit 140 processes the background image of the subject video in the Shock Wave Flash (SWF) format into a single color and then flash video (FLV) format. Since the image is synthesized by converting the image to the image, the quality of the composite video is prevented from being degraded due to the loss of transparency information of the alpha channel included in the subject video generated when the image is synthesized in the shock wave flash format. Create composite video of quality.

In addition, the composite image generating unit 140 may include the images or music stored in advance in the image database 130 using the chroma key method, which is a kind of image synthesis. It is possible to create a variety of user-oriented composite video through the free video synthesis of.

In addition, in the case of the subject video having the predetermined background, image synthesis using the chroma key method is impossible, but reproduction of the subject video having the predetermined background and the images stored in the image database 130 in advance. A user-oriented composite video can be generated through video editing by adjusting time and arranging on a time axis or video editing using a picture in picture (PIP) method.

Although not shown in the drawings, the present invention provides a computer-readable recording medium on which information encoded by instructions executable by a method for providing a composite video is recorded.

Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage media, and the like, including those implemented in the form of carrier waves (eg, transmission over the Internet). .

Programs, codes and code segments capable of realizing the respective functions for implementing the recording medium can be easily inferred by programmers in the technical field to which the present invention belongs.

The above description is merely illustrative of the technical idea of the present invention, and various modifications, changes, and substitutions may be made by those skilled in the art without departing from the essential characteristics of the present invention. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

According to the present invention, after receiving a subject video file and generating a composite video of the subject video and music stored in the image database and the image database in advance, the user can provide a content that can be utilized online or offline. It can be used as a method and system.

1 is a block diagram of a composite video providing system according to a preferred embodiment of the present invention;

2 is a flowchart illustrating a method for providing a composite video according to a preferred embodiment of the present invention;

3 is a detailed block diagram of a composite image generating unit according to an embodiment of the present invention; and

4 is a detailed view of step S30 of FIG.

<Brief description of the main parts of the drawings>

10: subject video generating device 100: composite video providing system

110: image receiving unit 120: information management unit

130: image database 140: synthetic image generating unit

150: file format converter 160: video transmission unit

Claims (15)

a) receiving a subject video having a predetermined background image; b) receiving user input information for image synthesis; c0) converting the input subject video into a shock wave flash (SWF) format; c1) converting a subject moving image background of the shock wave flash (SWF) format into a single color; c2) converting a subject video having the background converted to a single color into a flash video (FLV) format; c3) removing the background color of the subject video converted into the FLV format and setting the transparent value to make the background transparent; c4) generating a synthesized image by synthesizing the subject video having the transparent background with a stored image selected according to the user input information among images previously stored in a database; And d) transmitting the composite video to a user; Composite video providing method comprising a. delete delete The method of claim 1, Step d), Converting the composite video into a file format suitable for the selected use according to the use selected by the user for avatar, minihompy background image, MMS (Multimedia Mail Service), or widget. Method for providing a composite video, characterized in that for transmitting the converted video to the user. delete The method of claim 1, The user input information, And providing stored image selection information for synthesizing the image. The method of claim 4, wherein The user input information, And providing file format selection information for converting the file format. A computer-readable recording medium in which the method for providing a composite image of any one of claims 1, 4, 6, and 7 is recorded with information coded by computer executable instructions. An image receiver configured to receive a subject video having a predetermined background image; An information manager which receives user input information for image synthesis; An image database in which images for image synthesis are stored in advance; A SWF format converter configured to convert the input subject video into a Shock Wave Flash (SWF) format; A background converter for converting a subject moving picture background of the shock wave flash (SWF) format into a single color; An FLV format converter for converting the subject video having the background converted to a single color into a flash video (FLV) format; A background transparent unit which removes the background color of the converted subject video and sets a transparent value to make the background transparent; An image synthesizer configured to generate a synthesized moving image by using the image selected according to the user input information and the subject moving image among images stored in the image database; And And a video transmission unit for transmitting the composite video to a user. delete delete The method of claim 9, A file format conversion unit for converting the composite video into a file format suitable for the selected use according to the use selected by the user for avatar, mini-hompy background image, MMS (Multimedia Mail Service), or widget (Widget) Composite image providing system further comprises. delete The method of claim 9, The user input information, And a stored image selection information for synthesizing the image. The method of claim 12, The user input information, And a file format selection information for converting the file format.

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