KR20080047342A - Camera File Storage Device and Method - Google Patents

Abstract

The present invention relates to an apparatus and method for capturing image data input to a camera phone and storing the same as a moving picture file, and storing the moving picture file received by the camera phone in a personal computer. To achieve this, a video file storage device of a camera phone having a camera includes a camera unit for capturing an input image and generating a video file, and an external interface unit connected to an external device and outputting the video file to the external device. Wow; The image output from the camera unit is displayed on the display unit, and the digital image signal captured according to the input of the capture control signal is generated, compressed and stored as a video file, and the video file is output to the external device for display and / or It characterized in that it comprises a control unit for controlling to store.

Description

DEVICE AND METHOD FOR STORING MOVING PICTURE FILE INTO PERSONAL COMPUTER TO A CAMERA PHONE}

The present invention relates to an image data processing method of a camera phone having a camera, and more particularly, to capture image data input to a camera phone and store it as a video file, and to store a video file received by the camera phone on a personal computer; It is about a method.

The next generation code division multiple access camera phone under development is planning to provide not only data service but also image service. When providing an image service as described above, the code division multiple access camera phone takes a subject, for example, a user's face, and transmits it to a counterpart using a camera or the like. A camera phone that provides a video service may be a problem of efficiency of a camera on a terminal installed to transmit a user's appearance rather than a technical problem. The use of cameras on current terminal services is only intended to transmit the caller's current appearance or alert. Most of the functions on the terminal providing various services to be realized in the terminal are limited to the key input unit, the liquid crystal display, the speaker, and the like. The service using the liquid crystal display device can not only view the other party's caller, but also provide various information (information related to daily life such as traffic, weather, and culture), video on demand, and movie watching. , A preliminary search for a specific place, etc.) may be implemented. The service using the speaker not only can listen to the other party's voice, but also can listen to high quality music and receive various kinds of information transmitted by voice, while the function of the service using the camera is the appearance of itself to the other party's caller. There was a problem limited to showing.

Accordingly, an object of the present invention is to provide a personal computer with a video file received by the camera phone that can store the video data received by the camera phone in the memory area of the computer by connecting the camera phone and the computer to widen the range of image services in the camera phone. An apparatus and method for storing in the present invention.

In order to achieve the above object, the present invention provides a video file storage device of a camera phone including a camera, a camera unit for capturing an input image and generating a video file, and connected to an external device to transfer the video file to the external device. An external interface unit for outputting; The image output from the camera unit is displayed on the display unit, and the digital image signal captured according to the input of the capture control signal is generated, compressed and stored as a video file, and the video file is output to the external device for display and / or It characterized in that it comprises a control unit for controlling to store.

In addition, in order to achieve the above object, a video file storing method of a camera phone having a camera comprises: displaying an image input from the camera unit on a display unit of the camera phone; When a predetermined key is input, generating and compressing the displayed image into a moving image file and storing the compressed image in a predetermined storage area of the camera phone; If a file transfer is requested when the external interface of the camera phone is connected to an external device, the method includes outputting and displaying and / or storing the video file to the external device.

In addition, a method for storing a video file of a camera phone having a camera to achieve the above object comprises the steps of: displaying the video file received from the outside as a video on the display unit of the camera phone; If the file transfer is requested when the external interface of the camera phone is connected to an external device, the method includes outputting and displaying and / or storing the video file to the external device.

That is, as described above, the present invention provides an apparatus and method for storing a video file received by a camera phone on a personal computer, thereby transmitting the desired video information to a camera phone connected to the computer and storing the video file on the computer. It can utilize the memory of the camera more efficiently, and replaces the video camera such as a video camera has the effect that you can shoot and save the desired video with only the camera phone.

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 used for the same components, even if displayed on different drawings. In describing the present invention, it should be noted that specific descriptions of well-known functions or configurations are omitted in order not to disturb the gist of the present invention.

1 is a block diagram showing the connection between the camera phone and the computer according to an embodiment of the present invention.

Referring to FIG. 1, the controller 10 controls the overall operation of the camera phone. The control unit 10 includes a ROM for storing a predetermined operation program and a RAM for storing temporary data generated during the execution of the program. The key input unit 20 includes a plurality of numeric keys and function keys, and outputs key data for the keys to the controller 10.

The display unit 30 receives and displays display data corresponding to the key data output from the key input unit 20 from the controller 10. In addition, the display unit 30 receives image data such as moving image and still image data from the control unit 10 and displays it.

The video file storage unit 40 stores image data such as an image file and a video file.

The camera unit 50 converts an image captured by a camera lens into a digital signal, and captures the continuous digital signal as a still image to generate an image file or capture a continuous image for a predetermined time to generate a video file. Create and print

The compression controller 60 receives image data such as a predetermined image file or a video file provided from the camera unit 50 under the control of the controller 10, compresses the image data to the video file storage 40. Save it. The external interface 70 interfaces signals between external devices such as the computer 103. The external interface unit 70 is a universal asynchronous receiver and transmitter (UART) or a universal synchronous bus (USB). Here, it should be noted that a connection cable between the external interface 70 and the external device may use a serial transmission module RS232C.

FIG. 2 is a block diagram illustrating a configuration of a camera unit for generating a video file in FIG. 1. FIG.

The camera unit 50 of FIG. 1 is a digital camera 51 which receives a switching "on" control signal from the controller 10 and outputs an image taken through a lens as a digital signal, as shown in FIG. An image capture unit 53 which receives a predetermined capture control signal from 10) and captures and outputs the continuous input digital signal, and generates a moving image file which generates a captured image as a moving image file from the image capture unit 53; It consists of a part 55.

In the camera phone having the above configuration, when a user wants to store an image or video file and inputs a predetermined key of the key input unit 20, the control unit 10 receives the corresponding key data from the key input unit 20 and receives the camera. The camera 50 is driven by outputting a switching "on" control signal to the unit 50. When the camera unit 50 is switched on, the camera unit 50 converts an image input through the lens into a digital signal and outputs the digital signal to the controller 10. The controller 10 receives the digital signal and displays it on the display unit 30. At this time, when the user sees the image displayed on the display unit 30 and the desired image is displayed and inputs a predetermined key for capturing the image from the key input unit 20, the controller 10 corresponds to the key corresponding to the key. By receiving the data, the image capture signal is output to the screen capture unit 53 of FIG. 2 to capture and output an image displayed on the display unit 30 to a predetermined size. Then, the video file generator 55 converts the captured digital signal into a video file and outputs it to the compression controller 60. The compression controller 60 compresses the video file by a predetermined method and stores the video file as a video file having a much smaller value in the video file storage 40. The compression method includes RLE (Run Length Encoding).

3 is a control flowchart illustrating a video file storing method in a camera phone having a camera according to an embodiment of the present invention.

Referring to FIG. 3, first, in step 202, the controller 10 checks whether a camera driving key for driving the camera unit 50 is input from the key input unit 20. If it is determined in step 202 that the camera driving key is input, the control unit 10 outputs a switching "on" control signal to the camera unit 50 to drive the camera. The camera unit 50 may automatically switch “on” by inputting a call key of the key input unit 20 or detecting a flip open in case of having a flip. If it is determined in step 202 that the camera unit 50 is switched on and driven, the controller 10 proceeds to step 204 and receives image data from the camera unit 50 and displays the image data on the display unit 30. do. When the image captured by the camera unit 50 is displayed on the display unit 30, the control unit 10 proceeds to step 206 to check whether the video capture key is input from the key input unit 20. In this case, when it is determined in step 206 that the video capture key is input from the key input unit 20, the control unit 10 proceeds to step 208 to transmit a capture control signal to the image capture unit (eg, the camera unit 50). 53) to continuously output digital image data that is continuously input and output moving image data. In this case, the captured image is an image displayed on the display unit 30 when the user inputs a moving image capture key. The video data is converted into a video file by the video file generator 55 and output to the compression controller 60. When the video file is output, the control unit 10 controls the compression control unit 60 to compress the video file in step 210 and stores it in the video file storage unit 40.

As described above with reference to FIG. 3, the video file stored in the video file storage 40 of the camera phone may be transmitted to the computer 103 and stored. First, in order to transmit a video file to the computer 103, the serial port of the computer 103 must be connected through the external interface 70 of the camera phone 100. When connected as described above, the video file stored in the video file storage 40 may be transferred to a computer and stored through the process of FIG. 4.

4 is a control flowchart illustrating a method of transmitting and storing a moving image file received by a camera phone to a computer according to an embodiment of the present invention. FIG. 4 illustrates an operation of the camera phone according to FIG. 4.

First, the control unit 10 of the camera phone 100 checks whether an external device is connected to the external interface unit 70 in step 302. If an external device is connected to the external interface unit 70, the controller 10 proceeds to step 304 to check whether a video file read signal is input from the external interface unit 70. At this time, if a video file lead signal is input, the controller 10 proceeds to step 306 to read the video file from the video file storage unit 40, and reads the read video file through the external interface unit 70. 103). After the moving picture file is transmitted, the controller 10 proceeds to step 308 and checks whether the moving picture file is received from the computer 103. If it is determined in step 308 that the video file is received, the control unit 10 stores the video file received through the external interface unit 70 in the memory area preset in the computer 103. At this time, the video file is a compressed video file.

As described above, the video received by the camera phone is displayed on the display unit 30 through the display unit driver after the video is restored through the MPEG and the image processing unit in real time. Form a data transmission path. Here, the data transmission path may use a general RS-232C or USB port as described above.

As such, when the camera phone and the computer are connected through the data transmission path, the video information input from the camera phone to the computer through the data transmission path may be displayed on the computer monitor. In the algorithm that switches the video information displayed on the display of the camera phone to the computer monitor, it receives the video information from the camera phone using the receiving data line of the data transmission path connected to the camera phone, and outputs the image from the computer monitor. The data line can be used to cut off the line connected to the camera phone's display driver and to be connected to a computer.At the same time, it controls the signal connected to the camera phone's control unit to cut off the display driver and display power or reduce the current. You can enter the mode. As described above, all characters or characters displayed on the message or video screen received by the camera phone may be output to the monitor of the computer connected to the camera phone, and may be stored in a preset memory area of the computer.

On the other hand, in the detailed description of the present invention has been described with reference to specific embodiments, of course, various modifications are possible within the scope of the present invention. Therefore, it should be noted that the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

1 is a block diagram showing the connection between the camera phone and the computer according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating the camera unit of FIG. 1. FIG.

Figure 3 is a control flow diagram showing a video file storage method in a camera phone having a camera according to an embodiment of the present invention.

4 is a control flowchart illustrating a method of transmitting and storing a moving picture file received by a camera phone to a computer according to an embodiment of the present invention.

Claims (7)

In the video file storage device of the camera phone having a camera, A camera unit for capturing an input image and generating a video file; An external interface unit connected to an external device and outputting the video file to the external device; The image output from the camera unit is displayed on the display unit, and the digital image signal captured according to the input of the capture control signal is generated, compressed and stored as a video file, and the video file is output to the external device for display and / or Video file storage device of a camera phone having a camera, characterized in that it comprises a control unit for controlling to store. The method of claim 1, wherein the camera unit, A digital camera for outputting the image input through the lens as a digital signal, An image capture unit for capturing and outputting the digital signal when a predetermined capture control signal is input; Video file storage device of a camera phone having a camera, characterized in that it comprises a video file generating unit for generating the captured image as a video file. According to claim 1, A compression control unit for compressing a video file provided from the camera unit; The video file storage device of the camera phone having a camera, characterized in that it further comprises a video file storage for storing the compressed video file. In the video file storage method of the camera phone having a camera,  Displaying an image input from the camera unit on a display unit of the camera phone;  When a predetermined key is input, generating and compressing the displayed image into a video file and storing the compressed image in a predetermined storage area of the camera phone; If the file transfer is requested when the external interface of the camera phone is connected to the external device, the camera phone comprising the step of outputting the video file to the external device for display and / or storage; To save your video file. The method of claim 4, wherein the storing in the predetermined storage area of the camera phone comprises: Capturing and outputting an image displayed on a display unit of the camera phone to a predetermined size when a predetermined capture control signal is input; The video file storage method of the camera phone comprising the step of generating the captured image as a video file. In the video file storage method of the camera phone having a camera,  Displaying the video file received from the camera phone from the outside as an image on a display unit of the camera phone;  If the file transfer is requested when the external interface of the camera phone is connected to the external device, the camera phone comprising the step of outputting the video file to the external device for display and / or storage; To save your video file. The method according to claim 4 or 6, The video file output from the camera phone is stored in the preset memory area of the external device, the video file storage method of the camera phone.

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