Methods and apparatuses for processing and displaying image

Abstract

A method of processing images, the method including determining whether metadata for generating a depth map corresponding to a predetermined title exists for each of a plurality of titles recorded in a disk by using metadata for disk management, and including converting two-dimensional (2D) images in the predetermined title to three-dimensional (3D) images by using the metadata for generating the depth map if metadata for generating the depth map corresponding to the predetermined title exists.

1 . A method of processing images, the method comprising:
 determining whether metadata for generating a depth map corresponding to a predetermined title exists for each of a plurality of titles recorded in a disk by using metadata for disk management; and   converting two-dimensional (2D) images of the predetermined title to three-dimensional (3D) images by using the metadata for generating the depth map if the metadata for generating the depth map corresponding to the predetermined title exists.   
     
     
         2 . The method of  claim 1 , wherein the converting of the 2D images to the 3D images comprises:
 extracting depth information regarding a frame included in the predetermined title from the metadata for generating a depth map;   generating a depth map by using the depth information; and   generating a left image and a right image corresponding to the frame by using the depth map and the frame.   
     
     
         3 . The method of  claim 1 , wherein the metadata for disk management comprises information regarding a location of the metadata for generating a depth map corresponding to the predetermined title. 
     
     
         4 . The method of  claim 1 , wherein the converting of the 2D images to the 3D images comprises:
 receiving information, from an image displaying device, indicating whether the image displaying device can only display 2D images or can display both 2D images and 3D images; and   converting 2D images in the predetermined title to 3D images, if the image displaying device can display both 2D images and 3D images.   
     
     
         5 . The method of  claim 1 , further comprising:
 extracting a disk identifier from the disk;   transmitting the disk identifier to a server via a communication network; and   downloading metadata for disk management corresponding to the disk identifier from a server.   
     
     
         6 . The method of  claim 1 , further comprising:
 generating graphic information indicating that the 2D images in the predetermined title are converted to the 3D images; and   overlaying the graphic information on the 3D images.   
     
     
         7 . The method of  claim 6 , further comprising, if an image displaying mode of the image displaying device is a 2D image displaying mode:
 generating a mode switching control signal for changing the image displaying mode of the image displaying device to a 3D image displaying mode; and   transmitting the mode switching control signal to the image displaying device.   
     
     
         8 . The method of  claim 1 , further comprising, if metadata for generating a depth map corresponding to the predetermined title does not exist:
 generating graphic information indicating that images in the predetermined title are 2D images; and   overlaying the graphic information on the 2D images.   
     
     
         9 . The method of  claim 8 , further comprising, if an image displaying mode of the image displaying device is a 3D image displaying mode:
 generating a mode switching control signal for changing the image displaying mode of the image displaying device to a 2D image displaying mode; and   transmitting the mode switching control signal to the image displaying device.   
     
     
         10 . The method of  claim 1 , wherein the converting of the 2D images to the 3D images comprises:
 extracting shot information from the metadata for generating a depth map, wherein the shot information is for classifying video frames included in the predetermined title into shots; and   converting frames classified as a predetermined shot from among video frames included in the predetermined title to 3D images by using the shot information,   wherein the shot information is information for classifying a series of frames from which the composition of a current frame can be predicted based on the composition of a previous frame in a same group.   
     
     
         11 . The method of  claim 10 , wherein the metadata for generating a depth map comprises shot type information indicating whether frames in a shot are to be displayed as 2D images or 3D images for each shot, and
 the converting of the frames in the predetermined shot to the 3D images comprises converting frames in the predetermined shot to the 3D images by using shot type information corresponding to the predetermined shot.   
     
     
         12 . The method of  claim 10 , wherein the converting of the 2D images in the predetermined title to the 3D images comprises:
 extracting depth information corresponding to frames in the predetermined title from the metadata for generating a depth map;   generating a depth map by using the depth information; and   generating a left image and a right image corresponding to the frame by using the depth map and the frame.   
     
     
         13 . The method of  claim 10 , wherein the metadata for disk management comprises information regarding a location of the metadata for generating a depth map corresponding to the predetermined title. 
     
     
         14 . The method of  claim 10 , wherein the converting of the frames in the predetermined shot to 3D images comprises:
 receiving information, from an image displaying device, indicating whether the image displaying device can only display 2D images or can display both 2D images and 3D images; and   converting the frames in the predetermined shot to 3D images, if the image displaying device can display both 2D images and 3D images.   
     
     
         15 . The method of  claim 10 , further comprising:
 extracting a disk identifier from the disk;   transmitting the disk identifier to a server via a communication network; and   downloading metadata for disk management corresponding to the disk identifier from a server.   
     
     
         16 . The method of  claim 10 , further comprising:
 generating graphic information indicating that the 2D images of frames in the predetermined shot are converted to 3D images; and   overlaying the graphic information on the 3D images.   
     
     
         17 . The method of  claim 16 , further comprising, if an image displaying mode of the image displaying device is a 2D image displaying mode:
 generating a mode switching control signal for changing the image displaying mode of the image displaying device to a 3D image displaying mode; and   transmitting the mode switching control signal to the image displaying device.   
     
     
         18 . The method of  claim 10 , further comprising:
 when metadata for generating a depth map with respect to the predetermined title does not exist, generating graphic information indicating that images in the predetermined title are 2D images; and   overlaying the graphic information on the 2D images.   
     
     
         19 . The method of  claim 18 , further comprising, if an image displaying mode of the image displaying device is a 3D image displaying mode:
 generating a mode switching control signal for changing the image displaying mode of the image displaying device to a 2D image displaying mode; and   transmitting the mode switching control signal to the image displaying device.   
     
     
         20 . A method of transmitting metadata for disk management, performed by a server communicating with an image processing device via a communication network, the method comprising:
 receiving a request for metadata for disk management corresponding to a predetermined disk from the image processing device;   searching for the metadata for disk management corresponding to the predetermined disk by using a disk identifier of the disk; and   transmitting the metadata for disk management corresponding to the predetermined disk to the image processing device,   wherein the metadata for disk management corresponding to the disk indicates whether metadata for generating a depth map corresponding to each of a plurality of titles recorded in the disk exists and, if the metadata for generating a depth map exists, indicates a location of the metadata for generating a depth map corresponding to the titles.   
     
     
         21 . An image processing device comprising:
 a disk management metadata processing unit determining whether metadata for generating a depth map corresponding to a predetermined title exists for a plurality of titles in the disk by using metadata for disk management;   a unit for decoding metadata for generating a depth map; and   a three dimensional (3D) image converting unit converting two dimensional (2D) images in the predetermined title to 3D images by using the metadata for generating a depth map corresponding to the predetermined title if the metadata for generating a depth map corresponding to the predetermined title exists.   
     
     
         22 . The image processing device of  claim 21 , wherein the 3D image converting unit generates a depth map by using depth information corresponding to a frame in the predetermined title, wherein the depth information is extracted from the metadata for the generating of the depth map, and generates a left image and a right image corresponding to the frame by using the depth map and the frame. 
     
     
         23 . The image processing device of  claim 21 , wherein the metadata for disk management comprises information regarding a location of the metadata for generating a depth map corresponding to the predetermined title. 
     
     
         24 . The image processing device of  claim 21 , wherein the metadata for disk management processing unit receives information indicating whether an image displaying device can only display 2D images or can display both 2D images and 3D images from the image displaying device, and
 if the image displaying device can display both 2D images and 3D images, the 3D image converting unit converts 2D images in the predetermined title to 3D images.   
     
     
         25 . The image processing device of  claim 21 , further comprising a communication unit exchanging data with a server via a communication network,
 wherein the disk management metadata processing unit extracts a disk identifier from the disk, and   the communication unit transmits the disk identifier to the server and downloads metadata for disk management corresponding to the disk identifier from a server.   
     
     
         26 . The image processing device of  claim 21 , further comprising:
 a graphic information generating unit generating graphic information indicating that 2D images in the predetermined title are converted to 3D images; and   a blender overlaying the graphic information on the 3D images.   
     
     
         27 . The image processing device of  claim 26 , wherein, if an image displaying mode of the image displaying device is a 2D image displaying mode, the metadata for disk management processing unit generates a mode switching control signal for changing the image displaying mode of the image displaying device to a 3D image displaying mode. 
     
     
         28 . The image processing device of  claim 21 , further comprising:
 a graphic information generating unit generating graphic information indicating that images in the predetermined title are 2D images, if metadata for generating a depth map corresponding to the predetermined title does not exist; and   a blender overlaying the graphic information on the 2D images.   
     
     
         29 . The image processing device of  claim 28 , wherein, if an image displaying mode of the image displaying device is a 3D image displaying mode, the disk management metadata processing unit generates a mode switching control signal for changing the image displaying mode of the image displaying device to a 2D image displaying mode. 
     
     
         30 . The image processing device of  claim 21 , wherein the 3D image converting unit extracts shot information from the metadata for generating a depth map, the information for classifying video frames in the predetermined title into shots and converts frames in a predetermined shot from among video frames in the predetermined title to 3D images by using the shot information, wherein the shot information is information for classifying a series of frames from which the composition of a current frame can be predicted based on that of a previous frame into the same group. 
     
     
         31 . The image processing device of  claim 30 , wherein the metadata for generating a depth map comprises shot type information indicating whether frames in a shot are to be displayed as 2D images or 3D images for each shot, and
 wherein the 3D image converting unit converts frames in the predetermined shot to the 3D images by using shot type information corresponding to the predetermined shot.   
     
     
         32 . The image processing device of  claim 30 , wherein the 3D image converting unit generates a depth map by using depth information corresponding to frames in the predetermined title, wherein the depth information is extracted from the metadata for generating a depth map, and generates a left image and a right image corresponding to the frame by using the depth map and the frame. 
     
     
         33 . The image processing device of  claim 30 , wherein the metadata for disk management comprises information regarding a location of the metadata for generating a depth map corresponding to the predetermined title. 
     
     
         34 . The image processing device of  claim 30 , wherein the metadata for disk management processing unit receives information indicating whether an image displaying device can only display 2D images or can display both 2D images and 3D images from the image displaying device, and
 if the image displaying device can display both 2D images and 3D images, the 3D image converting unit converts the frames in the predetermined shot to 3D images.   
     
     
         35 . The image processing device of  claim 30 , further comprising a communication unit for communicating with a server via a communication network,
 wherein the disk management metadata processing unit extracts a disk identifier from the disk,   the communication unit transmits the disk identifier to a server via a communication network and downloads metadata for disk management corresponding to the disk identifier from a server.   
     
     
         36 . The image processing device of  claim 30 , further comprising:
 a graphic information generating unit for generating graphic information indicating that 2D images in the predetermined shot are converted to 3D images; and   a blender for overlaying the graphic information on the 3D images.   
     
     
         37 . The image processing device of  claim 36 , wherein, if an image displaying mode of an image displaying device is a 2D image displaying mode, the disk management metadata processing unit generates a mode switching control signal for changing the image displaying mode of the image displaying device to a 3D image displaying mode. 
     
     
         38 . The image processing device of  claim 30 , further comprising:
 a graphic information generating unit for generating graphic information indicating that images in the predetermined title are 2D images, if metadata for generating a depth map corresponding to the predetermined title does not exist; and   a blender for overlaying the graphic information on the 2D images.   
     
     
         39 . The image processing device of  claim 38 , wherein, if an image displaying mode of an image displaying device is a 3D image displaying mode, the disk management metadata processing unit generates a mode switching control signal for changing the image displaying mode of the image displaying device to a 2D image displaying mode. 
     
     
         40 . A server communicating with an image processing device via a communication network, the server comprising:
 a transmitting/receiving unit receiving a request for metadata for disk management corresponding to a predetermined disk from the image processing device and transmitting the metadata for disk management corresponding to the predetermined disk to the image processing device in response to the request;   a disk management metadata storage unit for storing metadata for disk management corresponding to a disk; and   a disk management metadata searching unit searching for the disk management metadata corresponding to the predetermined disk by using a disk identifier of the disk,   wherein the disk management metadata corresponding to the disk indicates whether metadata for generating a depth map corresponding to each of a plurality of titles recorded in the disk exists and, if metadata for generating a depth map exists, indicates a location of the metadata for generating a depth map corresponding to the titles.   
     
     
         41 . A computer readable recording medium having recorded thereon a method of processing images, the method comprising:
 determining whether metadata for generating a depth map corresponding to a predetermined title exists for a plurality of titles recorded in a disk by using metadata for disk management; and   if metadata for generating a depth map corresponding to the predetermined title exists, converting two-dimensional (2D) images in the predetermined title to three-dimensional (3D) images by using the metadata for generating a depth map.   
     
     
         42 . A method by which a server, which communicates with an image processing device via a communication network, transmits metadata for disk management, the method comprising:
 receiving a request for metadata for disk management corresponding to a predetermined disk from the image processing device;   searching for the metadata for disk management corresponding to the predetermined disk by using a disk identifier of the disk; and   transmitting the metadata for disk management corresponding to the predetermined disk to the image processing device,   wherein the metadata for disk management corresponding to the disk indicates whether metadata for generating a depth map corresponding to each of a plurality of titles recorded in the disk exists and, if metadata for generating a depth map exists, indicates a location of the metadata for generating a depth map corresponding to the titles.