JP3982059B2 - Data processing method for videophone device and videophone device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a data processing method for a videophone apparatus that uses a communication terminal for transmitting / receiving voice, image and data regardless of wired or wireless and exchanges additional information via a control channel for still images and telephone number information. And a videophone device.
[0002]
[Prior art]
FIG. 2 is a functional block diagram of a conventional wireless terminal system device. As shown in FIG. 2, the mobile terminal device 101 includes a self-terminal 101 and a partner terminal 102, which are video conference system devices, and includes a negotiation control unit 103, an image processing unit 104, and an image capture unit. The image capturing unit 105, the image display unit 106, the sound processing unit 108, the sound input unit 109, the sound output unit 110, the multiplexing unit 111, and the line I / F unit 112 are configured. Further, the own terminal 101 and the counterpart terminal 102 have a system configuration in which they are physically connected by the communication line network 201.
[0003]
In a terminal used for the conventional video conference or the like, if a line failure or privacy mode switching of the partner terminal occurs during communication, the display image of the terminal itself is not updated, and an unintended still image or blue background image is displayed. It was.
[0004]
[Problems to be solved by the invention]
However, in the above conventional method and configuration, the cause of the unintended still image or the blue back image cannot be identified from the user's viewpoint, and it has continued to display still images that are difficult to recognize.
[0005]
In addition, when a two-party call was changed to a three-party call, there was no way of immediately knowing who was participating in the communication as viewed from the other party that was communicating from the beginning.
[0006]
The present invention solves the above-described conventional problems, and in order to cope with a case of a line failure or privacy mode switching of a partner terminal, a state in which an arbitrary still image of a communication partner is stored in advance and a received image is not updated Automatically display a still image of the communication partner along with the guide characters when it falls into the terminal, and who is in communication with the communication partner that was communicating from the beginning when the two-party call becomes a three-party call? It is an object of the present invention to provide a data processing method and a data processing apparatus for a videophone device that can immediately know whether or not the user has participated in communication.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention relates to a videophone system that performs voice, image, and data communication regardless of wired or wireless, and arbitrarily stores a partner's image as a still image during communication in the terminal. A data processing method for a videophone device, wherein a still image of the other party that has already been stored is automatically displayed together with a guide character when image reception from is interrupted . Register and store multiple partner's still images in association with the other party's phone number. When a call is received from a registered partner during two-party communication, the third party's stored image is displayed in the currently communicating image. Is displayed on the screen together with the guidance characters, and the third party's still image taken out of the storage unit by us is sent to the other terminal that is communicating from the beginning via the control channel of the communication path. It is characterized in that the display on the screen so as to be recognized three-way second to the remote terminal to.
[0008]
According to the present invention, the stored still image can be automatically displayed when the received image cannot be updated, and the screen is displayed when the two-party call state is changed to the three-party call state. Can be displayed on the screen, making its use convenient.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
According to the first aspect of the present invention, the other party's image is arbitrarily stored as a still image in the own terminal during communication, and when the image reception from the other terminal is interrupted, the other party's already stored still image is stored. This is a data processing method for videophones that automatically displays the image and the cause that led to the display of the still image, along with the data converted into guide characters. However, there is an effect that it is possible to display the other party's already stored still image together with the guide characters without displaying an unnatural still image or blue background image.
[0010]
The invention according to claim 2 of the present invention includes a still image storage unit that stores the other party's image as a still image during communication, and an accumulation that issues an instruction to the still image storage unit upon receiving an arbitrary instruction from the user of the own terminal A control unit, a line failure detection unit that detects a line failure, an image difference information detection unit that detects that almost no image difference information has been lost, and the partner intentionally stops image transmission by a control signal from the partner. A control signal determination unit that recognizes that the image has been received by us based on a comprehensive determination of information from the line failure detection unit, the image difference information detection unit, and the control signal determination unit 2. A videophone device comprising a display control unit for synthesizing characters separately from the images in the still image storage unit and displaying them on our screen. The data processing method of the videophone device of claim 1 is a still image storage method. A Department, storage controller, a line fault detection unit, an image difference information detecting unit, the control signal judging unit, an effect that can be achieved by the configuration of the display controller.
[0011]
According to a third aspect of the present invention, in the data processing method of the videophone device according to the first aspect, the still image storage means registers and stores a plurality of other party's still images in association with the other party's telephone numbers. And, when a call is received from a registered partner during two-party communication, the stored image of the third partner is displayed on the screen together with appropriate guidance character data in the currently communicating image. The third party can display a still image of the third party on the screen of the own terminal based on the telephone number of the other party who has called the own terminal during two-party communication.
[0012]
According to a fourth aspect of the present invention, in the data processing method of the videophone device according to the third aspect, the third party's still image taken out from the storage unit by us is transmitted via the control channel of the communication path. , Which is transmitted from the beginning to the partner terminal that is communicating and displayed on the screen so that the third party can also recognize the third party. The other party that has been communicating from the beginning has the effect of being able to display.
[0013]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1 is a functional block diagram of the videophone system apparatus according to Embodiment 1 of the present invention. In FIG. 1, the same components as those in the conventional example shown in FIG.
[0014]
The own terminal 101 and the partner terminal 102 which are the video conference system apparatuses shown in FIG. 1 can display the still image of the partner stored in advance together with the guide characters on the screen of the partner terminal when the partner's image cannot be updated. The operation is performed by the negotiation control unit 103, the image processing unit 104, the image capture unit 105, the image display unit 106, the display generation unit 107, the audio processing unit 108, the audio input unit 109, the audio output unit 110, and the multiplexing unit. 111, a line I / F unit 112, a still image storage unit 113, a storage control unit 114, a line failure detection unit 115, an image difference information detection unit 116, a control signal determination unit 117, and a display control unit 118. Further, the own terminal 101 and the partner terminal 102 are physically connected by the communication line network 201.
[0015]
In the first embodiment, the still image accumulation unit 113, the accumulation control unit 114, the line failure detection unit 115, the image difference information detection unit 116, the control signal determination unit 117, and the display control unit 118 have the above-described configuration. It has the feature in the structure which added.
[0016]
The processing flow of the videophone system apparatus will be described based on the flowchart of FIG. The own terminal 101 and the partner terminal 102 communicate with each other via the communication line network 201 in a normal communication state.
[0017]
Here, a part of the moving image data (for example, data serving as a basic image of difference information used for making a moving image) is displayed as a still image in the image processing unit 104 according to a user instruction to the still image storage unit 113 as an image display unit. An arbitrary image of the other party shown in 106 is stored (STEP 301).
[0018]
When the line failure detection unit 115 detects that a line failure has occurred after this state is prepared (STEP 302), the image difference information detection unit 116 updates the image data to be displayed for a certain period of time. When it is detected that there is no image (STEP 303), when the control signal determination unit 117 detects an image transmission stop notification from the line side (STEP 304), the accumulation control unit 114 displays an image on the image processing unit 104. The display generation unit 107 instructs the display control unit 118 to combine the still image data stored in the still image storage unit 113 and appropriate guide characters to the display control unit 118. An instruction is given to display on the display unit 106 (STEP 305).
[0019]
In that state, when the line failure detection unit 115 detects that the line failure has returned to normal (STEP 306), the image difference information detection unit 116 detects that the image data has been updated. In this case, when the control signal determination unit 117 detects an image transmission resumption notification from the line side, the accumulation control unit 114 causes the display generation unit 107 to be stored in the still image accumulation unit 113 with respect to the display control unit 118. The image data and appropriate guide characters are combined and stopped from being displayed on the image display unit 106, and the image data from the multiplexing unit 111 is decoded by the image processing unit 104 and displayed on the image display unit 106. Give instructions.
[0020]
Also, by using this configuration, the storage control unit 114 associates the other party's telephone number with the other party's still image and stores them in the still image storage unit 113, so that the third party can communicate during two-party communication. Is connected to the terminal 101 (or the partner terminal 102) for participation in a call, the corresponding still image can be taken out from the still image storage unit 113 and displayed on the image display unit 106 of the terminal 101 (or the partner terminal 102). In addition, the corresponding still image can be transmitted to the counterpart terminal 102 (or the own terminal 101) via the control channel of the communication band and displayed on the image display unit 106 of the counterpart terminal 102 (or the own terminal 101).
[0021]
As a processing flow in the embodiment of the present invention, first, the accumulation control unit 114 associates the other party's telephone number with the other party's still image and stores them in the still image accumulation unit 113. The other party still image is obtained during communication with the corresponding person as shown in the previous processing example. (See the flowchart in FIG. 4.)
An example of using a still image in an actual communication state will be described based on the flowchart of FIG. First, the own terminal 101 enters a communication state with a certain partner terminal 102 (STEP 501). When another terminal 102 makes a call to the terminal 101 (STEP 502), the other party telephone number is acquired (STEP 503), and the storage control unit 114 determines the other party telephone number. The image information management table in the still image storage unit 113 is searched for (STEP 504). In the storage control unit 114, the display generation unit 107 synthesizes the corresponding still image data stored in the still image storage unit 113 and appropriate guide characters with respect to the display control unit 118 (STEP 505), and the image display unit 106. To give an instruction to display in one corner of the screen (STEP 506).
[0022]
Further, the searched still image data in the still image storage unit 113 is sent to the partner terminal 102 as JPEG format data by the multiplexing unit 111 (STEP 507).
[0023]
The partner terminal 102 that has received the still image data is combined with an appropriate guide character by the display generation unit 107 and gives an instruction to display it at one corner of the screen by the image display unit 106. (See the flowchart in FIG. 6.)
[0024]
【The invention's effect】
As is clear from the above description, according to the present invention, in order to cope with a case of a line failure or privacy mode switching of the partner terminal, an arbitrary still image of the communication partner is stored in advance and the received image is not updated. When you fall into a state, you can automatically display a still image of the communication partner with guidance characters on your terminal, and from the communication partner that was communicating from the beginning when you made a three-party call from a two-party call It's convenient because you can immediately know who has joined the communication.
[Brief description of the drawings]
FIG. 1 is a functional block diagram of a videophone system apparatus according to a first embodiment of the present invention. FIG. 2 is a functional block diagram of a conventional wireless terminal system apparatus. FIG. 4 is a flowchart of the videophone system apparatus according to the first embodiment of the present invention. FIG. 5 is a flowchart of the videophone system apparatus according to the first embodiment of the present invention. Flowchart of videophone system equipment [Explanation of symbols]
101 Host terminal 102 Partner terminal 103 Negotiation control unit 104 Image processing unit 105 Image capturing unit 106 Image display unit 107 Display generation unit 108 Audio processing unit 109 Audio input unit 110 Audio output unit 111 Multiplexing unit 112 Line I / F unit 113 Still image storage unit 114 Storage control unit 115 Line failure detection unit 116 Image difference information detection unit 117 Control signal determination unit 118 Display control unit 201 Communication network

Claims (1)

During communication, the other party's image can be arbitrarily stored as a still image in its own terminal, and when the reception of the image from the other party's terminal is interrupted, the already stored other party's still image is automatically displayed along with the guide characters. A data processing method for a videophone device characterized in that a still image storage means registers and stores a plurality of other party's still images in association with the other party's telephone numbers, and makes a call from a registered party during two-party communication. When an image is received, the third party's stored image is displayed on the screen together with the guide characters in the image currently being communicated, and the third party's still image taken out from the storage unit by us is displayed on the communication channel control channel. A data processing method for a videophone apparatus, wherein the data is transmitted to a partner terminal that is communicating from the beginning through the network and displayed on the screen so that a third party can recognize the partner terminal.

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