IMAGE DECODING METHOD, IMAGE OUTPUTTING METHOD, AND IMAGE DECODING AND OUTPUTTING APPARATUSES

• US 20100103165A1
• Filed: 06/09/2009
• Published: 04/29/2010
• Est. Priority Date: 10/27/2008
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: CHUNG, Hyun-kwon, LEE, Dae-jong, JUNG, Kil-soo, PARK, Sung-wook
• Application Number:
  US12/481,000
• Publication Number:
  US 20100103165A1
• Time in Patent Office: Days
• US Class Current: 345/419
• CPC Class Codes: G06T 15/005 General purpose rendering architectures
• CPC Class Codes: G09G 2320/0613 The adjustment depending on the type of the information to be displayed
• CPC Class Codes: G09G 2340/12 Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
• CPC Class Codes: G09G 2370/04 Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
• CPC Class Codes: G09G 2370/12 Use of DVI or HDMI protocol in interfaces along the display data pipeline
• CPC Class Codes: G09G 3/003 to produce spatial visual effects
• CPC Class Codes: G09G 5/003 Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto specific for a CRT G09G1/165; for a flat panel G09G3/2092
• CPC Class Codes: G09G 5/36 characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
• CPC Class Codes: H04N 13/156 Mixing image signals
• CPC Class Codes: H04N 13/161 Encoding, multiplexing or demultiplexing different image signal components for multi-view video sequence encoding H04N19/597
• CPC Class Codes: H04N 13/178 Metadata, e.g. disparity information
• CPC Class Codes: H04N 13/183 On-screen display [OSD] information, e.g. subtitles or menus
• CPC Class Codes: H04N 13/261 with monoscopic-to-stereoscopic image conversion
• CPC Class Codes: H04N 13/359 Switching between monoscopic and stereoscopic modes
• CPC Class Codes: H04N 13/361 Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
• CPC Class Codes: H04N 13/398 Synchronisation thereof; Control thereof

Abstract

An image decoding method, an image outputting method, an image decoding apparatus and an outputting apparatus, the image outputting method including inputting an image; and if determined that the input image is a video image that is overlaid with a graphic image, outputting an area of the input image, which is overlaid with the graphic image, as a 2-dimensional (2-D) image and outputting the other area of the input image, which is not overlaid with the graphic image, as a 3-dimensional (3-D) image; and if determined that the input image is a video image that is not overlaid with a graphic image, outputting the input image as a 3-D image.

Claims

1. An image outputting method comprising:

inputting an image;

if determined that the input image is a video image that is overlaid with a graphic image, outputting an area of the input image, which is overlaid with the graphic image, as a 2-D (2-dimensional) image and outputting an area of the input image, which is not overlaid with the graphic image, as a 3-D (3-dimensional) image; and

if determined that the input image is a video image that is not overlaid with a graphic image, outputting the input image as a 3-D image.

2. The image outputting method of claim 1, further comprising:

receiving graphic image on-off information indicating whether the input mage is the video image that is overlaid with the graphic image; and

determining whether the input image is the video image that is overlaid with the graphic image or the video image that is not overlaid with the graphic image, using the graphic image on-off information.

3. The image outputting method of claim 2, further comprising identifying a frame comprising an area, which is to be output as a 2-D image, from frames of the input image, using metadata,

wherein the determination as to whether the input image is the video image that is overlaid with the graphic image or the video image that is not overlaid with the graphic image comprises determining whether an image of the frame comprising the area to be output as the 2-D image is the video image that is overlaid with the graphic image or the video image that is not overlaid with the graphic image.

4. The image outputting method of claim 3, wherein the frame comprising the area to be output as the 2-D image is identified using output time information from the metadata.

5. The image outputting method of claim 3, further comprising identifying the area to be output as the 2-D image from the frame comprising the area to be output as the 2-D image, using the metadata.

6. The image outputting method of claim 5, wherein the identification of the area to be output as the 2-D image comprises extracting coordinate value information for identifying the area to be output as the 2-D image, from the metadata.

7. The image outputting method of claim 3, further comprising reading the metadata from a disk on which video data is recorded or downloading the metadata from a server through a communication network.

8. The image outputting method of claim 3, wherein the metadata comprises identification information for identifying video data, wherein the identification information comprises a disk identifier for identifying a disk on which the video data is recorded and a title identifier for identifying a title including the video data among titles recorded on the disk.

25. A computer-readable recording medium having embodied thereon a computer program for executing the image outputting method of claim 1.

28. The image outputting method of claim 3, wherein the metadata includes information for transforming the 2-D image into 3-D image.

29. The image outputting method of claim 8, wherein the video data includes a sequence of frames and the metadata includes information regarding the frames.

30. The image outputting method of claim 29, wherein the frames of the video data include a frame having an image of a warning message, a menu screen, a caption, or an ending credit, not required to be output as a 3-D image.

9. An image decoding method comprising:

generating graphic image on-off information indicating whether an input image is a video image that is overlaid with a graphic image or a video image that is not overlaid with the graphic image; and

transmitting the graphic image on-off information to an image outputting apparatus.

10. The image decoding method of claim 9, wherein the generation of the graphic image on-off information comprises generating the graphic image on-off information according to a command for the graphic image to be output or not to be output, wherein the command is input from a user.

11. The image decoding method of claim 9, wherein if a command is received from a user for the video image to be overlaid with the graphic image, decoding graphic data to generate the graphic image;

and

overlaying the video image with the graphic image and then transmitting the video image overlaid with the graphic image to the image outputting apparatus.

26. A computer-readable recording medium having embodied thereon a computer program for executing the image decoding method of claim 9.

12. An image processing method comprising:

decoding video data to generate a video image;

if a command is received from a user for the video image to be overlaid with a graphic image, decoding graphic data to generate the graphic image;

overlaying the video image with the graphic image;

outputting an area of the video image overlaid with the graphic image as a 2-D image and the other area of the video image, other than the area of the video image overlaid with the graphic image, as a 3-D image; and

if a command is received from the user for the video image not to be overlaid with the graphic image, outputting the video image as a 3-D image.

27. A computer-readable recording medium having embodied thereon a computer program for executing the image processing method of claim 12.

13. An image outputting apparatus comprising:

a 3-D image converter which, if an input image is a video image that is overlaid with a graphic image, converts another area of the input image, other than an area of the input image overlaid with the graphic image, into a 3-D image, and, if the input image is a video image that is not overlaid with a graphic image, transforms the input image into a 3-D image; and

an outputting unit which, if the input image is the video image that is overlaid with the graphic image, outputs the area of the input image overlaid with the graphic image as a 2-D image and the other area of the input image, other than the area of the input image overlaid with the graphic image, as a 3-D image, and, if the input image is the video image that is not overlaid with the graphic image, outputs the input image as a 3-D image.

14. The image outputting apparatus of claim 13, further comprising a graphic image on-off information receiver which receives graphic image on-off information indicating whether the input image is the video image overlaid with the graphic image,

wherein the 3-D image converter determines whether the input image is the video image that is overlaid with the graphic image or the video image that is not overlaid with the graphic image, using the graphic image on-off information.

15. The image outputting apparatus of claim 14, further comprising a metadata interpreter which interprets metadata in order to identify a frame comprising an area, which is to be output as a 2-D image, from frames of the input image,

wherein the 3-D image converter determines whether an image of the frame identified by the metadata interpreter is the video image overlaid with the graphic image.

16. The image outputting apparatus of claim 15, wherein the metadata interpreter extracts output time information of the frame comprising the area to be output as the 2-D image, from the metadata, and identifies the frame comprising the area to be output as the 2-D image, using the output time information.

17. The image outputting apparatus of claim 15, wherein the metadata interpreter identifies the area to be output as the 2-D image from the frame comprising the area to be output as the 2-D image, using the metadata.

18. The image outputting apparatus of claim 17, wherein the metadata interpreter extracts coordinate value information for identifying the area to be output as the 2-D image, from the metadata.

19. The image outputting apparatus of claim 15, wherein the metadata interpreter reads the metadata from a disk on which video data is recorded or downloads the metadata from a server through a communication network.

20. The image outputting apparatus of claim 15, wherein the metadata comprises identification information for identifying video data, wherein the identification information comprises a disk identifier for identifying a disk on which the video data is recorded and a title identifier for identifying a title including the video data among titles recorded on the disk.

21. An image decoding apparatus comprising:

a graphic image on-off information generator which generates graphic image on-off information indicating whether an input image is a video image that is overlaid with a graphic image or a video image that is not overlaid with the graphic image and transmits the graphic image on-off information to an image outputting apparatus.

22. The image decoding apparatus of claim 21, wherein the graphic image on-off information generator generates the graphic image on-off information in response to a command for the graphic image to be output or not to be output, wherein the command is input from a user.

23. The image decoding apparatus of claim 21, further comprising:

a video data decoder which decodes video data to generate the video image;

a user interface which receives the command for the video image to be overlaid with the graphic image or not to be overlaid with the graphic image, from the user;

a graphic data decoder which decodes graphic data to generate the graphic image;

a blender which overlays the video image with the graphic image; and

an image transmitter which transmits the video image overlaid with the graphic image to an image outputting apparatus,

wherein if the graphic data decoder receives the command for the video image to be overlaid with the graphic image through the user interface, the graphic data decoder generates the graphic image in response to the command.

24. An image processing apparatus comprising:

a video data decoder which decodes video data to generate video image;

a user interface which receives a command for the video image to be overlaid with a graphic image or not to be overlaid with the graphic image, from a user;

a graphic data decoder which, if the command for the video image to be overlaid with the graphic image is received from the user through the user interface, decodes graphic data to generate the graphic image in response to the command; and

a blender which overlays the video image with the graphic image; and

an outputting unit which outputs an area of the video image overlaid with the graphic image as a 2-D image and outputs an area of the video image, other than the area overlaid with the graphic image, as a 3-D image, and, if the command for the video image not to be overlaid with the graphic image is received from the user through the user interface, outputs the video image as a 3-D image in response to the command.