JPH0678077A - Multimedia communication system - Google Patents

Abstract

PURPOSE:To provide user's interface capable of executing all of various operation by a single tool and removing the complexity of operation by a multifunctioned multimedia communication system capable of simultaneously processing sound, a still color image, a moving color image, a documentm, and so on. CONSTITUTION:The display/operation screen of an audio graphic terminal is provided with a document display area 11, a function selecting menu display area 12, a document display range specifying area 13, and a still image operation range specifying area 14 and a menu for editing a highly accurate color still image and an editing range specifying area are displayed on the display part of the audio graphic terminal, so that an operation system capable of executing all operation by using an operation pen without using a specific operation device for editing the still color image is obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multimedia communication system, and more particularly, it has a function of transmitting information of a plurality of media such as voice, high-definition color still image, color moving image, document, etc. The present invention relates to a high-performance multimedia communication system that can be used for meetings and the like.

[0002]

2. Description of the Related Art In recent years, the spread of ISDN (Integrated Services Digital Network) has made it possible to realize a new communication mode in which a plurality of services are organically combined, and several services have been studied. Such a multimedia communication service is characterized in that it can simultaneously handle a plurality of media information such as voice, color moving image, color still image, document, and drawing.

FIG. 2 is a diagram showing a configuration example of a conventional multimedia communication system. In the figure, 21 is an audio graphic terminal, 22 is a document camera, 23 is a high resolution display, 24 is a codec, 25 is a camera, Reference numeral 26 is an operation pen. The audio graphic terminal 21 performs operations such as voice input / output, document transmission and display, and drawing and pointing on the display unit. An image of a photograph or a brochure is captured by the document camera 22 and displayed as a still image on the high resolution display 23. The high-resolution display 23 is equipped with a camera 25 capable of photographing the upper half of the user's body and displays a still image and a parent-child screen.

Since these color images have a large amount of information, they are coded by the codec 24. System operation is performed on the display of the audiographic terminal. The functions of the audio graphic terminal include a call function similar to a telephone, a document input function by a scanner, a document transfer function, a document display control function, a drawing function on a display unit, and a pointing function. Among these, the document display control functions include enlargement / reduction, rotation, scrolling, etc. All these operations are performed using the operation pen, and each function is selected by touching the icon on the audio graphic terminal display. -It is executed.

[0005]

As described above, in the conventional communication system, when an editing function of a color still image is to be realized in addition to an editing function of enlarging / reducing a document, the document and the color still image are Since the display part of each is separate, if you edit a color still image on the display, you need an operation tool other than the pen for editing and drawing documents, such as the mouse, to specify the range. become. However, in order to use the mouse, it is necessary to secure a space for it, and when performing the document display operation and the color still image operation at the same time, the operation tools are frequently changed, and the operation is Since it becomes very complicated, it becomes a cause of hindering the progress of user meetings and the like.

The present invention has been made in view of the above circumstances, and enables various operations to be performed by a single operation tool in a multimedia communication system which realizes multiple functions, thereby eliminating the complexity of the operations. It is intended to provide a user interface.

[0007]

In order to achieve the above object, the present invention provides a display control / editing of a document by an audio graphic terminal in a communication system having a simultaneous transmission function of a plurality of information utilizing an ISDN signal network. Means and an operating means for enlarging / reducing / partially saving the color still image, and providing a display area for designating an operating range of the color still image on the audio graphic terminal for the operating means. As a selecting means of the operating means, the operating pen is used as in the case of controlling the display of the document.

[0008]

[Function] An operation menu of an audio graphic terminal for controlling display of a document, drawing, pointing, etc., is provided with a menu for enlarging / reducing a color still image, partial saving, etc., and a display area for designating an operation range, These functions are executed by operating the operation pen. Select the operation method from the color still image operation menu by touching each icon with the operation pen such as enlarging / reducing / partial saving, and then enlarging in the color still image operation range specification area. -Specify the range by tracing the area you want to reduce or save partially with the operation pen. At this time, on the display displaying the color still image, an arrow for specifying the range is displayed in the operation range specification area of the color still image on the audio graphic terminal corresponding to the position touched with the operation pen. By touching and moving in the range specification area,
A designated portion of the color still image is surrounded by a frame, and when the pen is separated from the surface of the area, the symmetrical range of the previously selected process is determined. Therefore, when the execution icon is selected, the corresponding process is performed.

[0009]

Embodiments will be described below with reference to the drawings. FIG. 1 is a configuration diagram for explaining an embodiment of a multimedia communication system according to the present invention, and is a diagram showing a display screen image of an audio graphic terminal. In the figure, 11 is a document display area, 12 is a function selection menu display area, 13 is a document display range designation area, and 14 is a still image operation range designation area. As in the conventional multimedia communication system in FIG. 2 described above, the audio graphic terminal 21 is used for all system operations. The audio graphic terminal 21 is composed of a display section using a liquid crystal panel and a scanner for document input, and is operated by a dedicated wireless operation pen. A magnetic sensor sheet on the liquid crystal panel of the audio graphic terminal senses the magnetism from the operating pen tip, identifies the screen coordinate position pointed to by the pen tip, and displays a pointer or a drawn diagram.

Each function of the audio graphic terminal is
It is selected by pressing each icon in the function selection menu display area 12 with a pen tip to make a call to / disconnect from the line, input of a document by a scanner, transmission of a document,
Determine the type of drawing pen tip and eraser, select pointing marks, enlarge / reduce the display range, display document control functions such as rotation, and input color still images from the document camera,
It has functions such as saving to a file, calling from a file, enlarging / reducing the display range, partially saving the specified range, and displaying a sub-screen, and replacing the sub-screen with the main screen. The document display range designation area 13 is an operation area for designating a range to be displayed in the inner document display area 11 of the entire input or transmitted document, and by pressing the center position of the range to be displayed with a pen, the corresponding range is displayed. Is the document display area 11
Is displayed in.

The operation range designation area 14 for a still image is a region for designating a range for enlarging / reducing / storing a still image displayed on the high resolution display, and the area is high resolution as it is. It corresponds to the display range of the display. To operate a still image such as enlargement / reduction / partial saving, first select the corresponding icon in the function selection menu display area 12 with the operation pen, and then select the image range to be processed in the still image operation range specification area 14. As specified above. At this point, if the process execution icon is pressed, the corresponding process is performed on the designated image range, and if the process stop icon is pressed, the range designation is canceled. The result of the processing is displayed on the display at any time so that the contents can be confirmed.

When the target range of the above-mentioned still image editing processing is designated, a dedicated area is provided on the AGC terminal so that the operation can be performed at hand. Further, by adopting the operation method using the pen as in the case of selecting another function, it is not necessary to switch to another operation device during the operation, and the work can be performed efficiently.

[0013]

Since the present invention is constructed as described above, it has the following effects. That is, according to the multimedia communication system of the present invention, by using a single operation device and method, the complexity of the operation performed by the user can be eliminated and smooth processing of each function can be realized. In addition, the system users can more efficiently handle various functions that process information such as voice, high-definition color still images, color moving images, and documents, and advanced multimedia communication can be performed with simpler operations. Can be realized.

[Brief description of drawings]

FIG. 1 is a configuration diagram illustrating an embodiment of a multimedia communication system according to the present invention.

FIG. 2 is a diagram illustrating a conventional multimedia communication system.

[Explanation of symbols]

11 ... document display area, 12 ... function selection menu display area, 13 ... document display range designation area, 14 ... still image operation range designation area.

Claims (1)

[Claims] 1. In a communication system having a function of simultaneously transmitting a plurality of information using an ISDN signal network, a document display control / editing means by an audio graphic terminal and an operation such as enlarging / reducing / partial saving of a color still image. And a display area for designating the operation range of the color still image for the operating means is provided on the audio graphic terminal, and the display control of the document is performed as the selecting means of the operating means for the color still image. Multimedia communication system characterized by using an operating pen.