Image display device, image display method and computer readable medium

• US 20080036695A1
• Filed: 07/25/2007
• Published: 02/14/2008
• Est. Priority Date: 08/09/2006
• Status: Abandoned Application

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Murai, Shinya, Yamaguchi, Kensaku, Goto, Masataka, Nishibayashi, Yasuyuki
• Application Number:
  US11/878,522
• Publication Number:
  US 20080036695A1
• Time in Patent Office: Days
• US Class Current: 345/2.3
• CPC Class Codes: G06F 2203/0383 Remote input, i.e. interface arrangements in which the signals generated by a pointing device are transmitted to a PC at a remote location, e.g. to a PC in a LAN
• CPC Class Codes: G06F 3/038 Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
• CPC Class Codes: G09G 2340/02 Handling of images in compressed format, e.g. JPEG, MPEG
• CPC Class Codes: G09G 2340/125 wherein one of the images is motion video
• CPC Class Codes: G09G 2340/145 related to small screens
• CPC Class Codes: G09G 3/2092 Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165

Abstract

There is provided with a method of receiving application screen image from an information processing terminal through a wireless network and displaying the application screen image, and receiving moving picture image from a server apparatus through the network and displaying the moving picture image, including: carrying out processing of discarding frames from received moving picture image; synthesizing each frame of the moving picture image after frame discarding with received application screen image to generate synthesized image data for each frame of the moving picture image after the frame discarding; displaying a synthesized image using generated synthesized image data; accepting an input of control information which instructs control for the synthesized image displayed; transmitting accepted control information to the information processing terminal; and detecting that the control information has been accepted and carrying out processing of discarding frames from the received moving picture image.

Claims

1. An image display device for receiving application screen image from an information processing terminal which generates application screen image through a wireless network and displaying the application screen image, and receiving moving picture image from a server apparatus which stores the moving picture image including a plurality of frames through the wireless network and displaying the moving picture image, comprising:

a discarding unit configured to carry out processing of discarding frames from received moving picture image;

a synthesis unit configured to synthesize each frame of the moving picture image after frame discarding by the discarding unit with received application screen image to generate synthesized image data for each frame of the moving picture image after the frame discarding;

a display unit configured to display a synthesized image using generated synthesized image data;

an input accepting unit configured to accept an input of control information which instructs control for the synthesized image displayed on the display unit;

a transmission unit configured to transmit the control information accepted by the input accepting unit to the information processing terminal; and

an instruction unit configured to detect that the control information has been accepted by the input accepted unit and instruct the discarding unit to execute discarding processing.

2. The device according to claim 1, wherein when the control information accepted by the input accepting unit is control information instructing movement of a pointer included in the synthesis image, the instruction unit does not instruct the discarding unit to execute discarding processing.

3. The device according to claim 1, further comprising a storage unit configured to store control information to be accepted by the input accepting unit in association with a type of frames to be discarded by the discarding unit when the control information is accepted,

wherein the instruction unit refers to the storage unit and instructs the discarding unit to execute discarding processing so as to discard frames to be discarded according to the control information accepted by the input accepting unit.

4. The device according to claim 1, wherein the instruction unit instructs the discarding unit to end discarding processing when control information is not accepted by the input accepting unit for a predetermined time after instructing the discarding unit to execute the discarding processing.

5. The device according to claim 1, further comprising a storage unit configured to store control information to be accepted by the input accepting unit associated with a time during which the discarding unit should continue discarding processing when the control information is accepted,

wherein the instruction unit refers to the storage unit and instructs the discarding unit to execute discarding processing for the time during which discarding processing should be continued according to the control information accepted by the input accepting unit.

6. The device according to claim 1, wherein when a plurality of frames included in the received moving picture image are compressed using an MPEG format compression scheme, the discarding unit discards frames by deleting P (Predicted) frames out of the plurality of received frames.

7. An image display method of receiving application screen image from an information processing terminal which generates application screen image through a wireless network and displaying the application screen image, and receiving moving picture image from a server apparatus which stores the moving picture image including a plurality of frames through the wireless network and displaying the moving picture image, comprising:

carrying out processing of discarding frames from received moving picture image;

synthesizing each frame of the moving picture image after frame discarding with received application screen image to generate synthesized image data for each frame of the moving picture image after the frame discarding;

displaying a synthesized image using generated synthesized image data;

accepting an input of control information which instructs control for the synthesized image displayed;

transmitting accepted control information to the information processing terminal; and

detecting that the control information has been accepted and carrying out processing of discarding frames from the received moving picture image.

8. The method according to claim 7, wherein when accepted control information is control information instructing movement of a pointer included in the synthesis image, the processing of discarding frames is not carried out.

9. The method according to claim 7, further comprising providing a storage unit configured to store control information to be accepted in association with a type of frames to be discarded when the control information is accepted,

wherein the carrying out processing of discarding frames includes referring to the storage unit and carrying out discarding processing so as to discard frames to be discarded according to accepted control information.

10. The method according to claim 7, wherein the processing of discarding frames is ended when control information is not accepted for a predetermined time after starting the discarding processing.

11. The method according to claim 7, further comprising providing a storage unit configured to store control information to be accepted associated with a time during which discarding processing should be continued when the control information is accepted,

wherein the carrying out processing of discarding frames includes referring to the storage unit and carrying out discarding processing for the time during which the discarding processing should be continued according to accepted control information.

12. The method according to claim 7, wherein when a plurality of frames included in the received moving picture image are compressed using an MPEG format compression scheme, the processing of discarding frames is carried out by deleting P (Predicted) frames out of the plurality of received frames.

13. A computer readable medium storing a computer program for causing a computer receiving application screen image from an information processing terminal which generates application screen image through a wireless network and displaying the application screen image, receiving moving picture image from a server apparatus which stores the moving picture image including a plurality of frames through the wireless network and displaying the moving picture image, to execute instructions to perform steps of:

carrying out processing of discarding frames from received moving picture image;

synthesizing each frame of the moving picture image after frame discarding with received application screen image to generate synthesized image data for each frame of the moving picture image after the frame discarding;

displaying a synthesized image using generated synthesized image data;

accepting an input of control information which instructs control for the synthesized image displayed;

transmitting accepted control information to the information processing terminal; and

detecting that the control information has been accepted and carrying out processing of discarding frames from the received moving picture image.

14. The medium according to claim 13, wherein when accepted control information is control information instructing movement of a pointer included in the synthesis image, the processing of discarding frames is not carried out.

15. The medium according to claim 13, further for causing the computer to execute instructions to perform accessing a storage unit configured to store control information to be accepted in association with a type of frames to be discarded when the control information is accepted,

wherein the carrying out processing of discarding frames includes referring to the storage unit and carrying out discarding processing so as to discard frames to be discarded according to accepted control information.

16. The medium according to claim 13, wherein the processing of discarding frames is ended when control information is not accepted for a predetermined time after starting the discarding processing.

17. The medium according to claim 13, further for causing the computer to execute instructions to perform accessing a storage unit configured to store control information to be accepted associated with a time during which discarding processing should be continued when the control information is accepted,

wherein the carrying out processing of discarding frames includes referring to the storage unit and carrying out discarding processing for the time during which the discarding processing should be continued according to accepted control information.

18. The medium according to claim 13, wherein when a plurality of frames included in the received moving picture image are compressed using an MPEG format compression scheme, the processing of discarding frames is carried out by deleting P (Predicted) frames out of the plurality of received frames.