VIDEO BROWSING BASED ON THUMBNAIL IMAGE

• US 20090100462A1
• Filed: 03/09/2007
• Published: 04/16/2009
• Est. Priority Date: 03/10/2006
• Status: Abandoned Application

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Lee, Sung Ho, Park, Woon Ki, Hwang, Young Hooi
• Application Number:
  US12/282,507
• Publication Number:
  US 20090100462A1
• Time in Patent Office: Days
• US Class Current: 725/38
• CPC Class Codes: G06F 16/743 a collection of video files or sequences
• CPC Class Codes: G06F 3/0482 Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D
• CPC Class Codes: H04N 21/4316 for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
• CPC Class Codes: H04N 21/440263 by altering the spatial resolution, e.g. for displaying on a connected PDA
• CPC Class Codes: H04N 21/440281 by altering the temporal resolution, e.g. by frame skipping television signal recording using magnetic recording on tape for reproducing at a rate different from the recording rate H04N5/783
• CPC Class Codes: H04N 21/4621 Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen arrangements for using the results of monitoring on user's side in broadcast systems H04H60/65; flow control in packet networks H04L47/10
• CPC Class Codes: H04N 21/8455 involving pointers to the content, e.g. pointers to the I-frames of the video stream

Abstract

Provided is video browsing based on a thumbnail image. When video data is selected on the basis of a representative image, thumbnail images generated from the selected video data are continuously displayed. The thumbnail images are sequentially displayed with a set time interval on a window on which the representative image is displayed. The thumbnail images can be enlarged and continuously displayed. Contents of a corresponding video can be recognized in a summarized form using the continuously displayed thumbnail images.

Claims

1-26. -26. (canceled)

27. A method for browsing a video, the method comprising:

displaying information used for selecting among a plurality of video files;

displaying at least one of representative images for at least one of the plurality of video files;

receiving an input for selecting a video file among the plurality of video files;

displaying a plurality of thumbnail images which are included in the selected video file and are spaced apart by a predetermined interval.

28. The method according to claim 27, wherein the step of displaying a plurality of thumbnail images comprises,

extracting at least one random access points from the selected video file;

decoding the at least one random access points to generate the plurality of thumbnail images; and

outputting the generated plurality of thumbnail images.

29. The method according to claim 27, the step of displaying a plurality of thumbnail images comprises,

reading out at least one prestored random access points of the selected video file from a storage;

decoding the at least one prestored random access points to generate the plurality of thumbnail images;

outputting the plurality of thumbnail images.

30. The method according to claim 27, wherein the step of displaying comprises,

reading out a plurality of pre-generated thumbnail images for the selected video file;

and

outputting the plurality of pre-generated thumbnail images.

31. The method according to claim 27, wherein the information used for selecting includes characters representing each of the plurality of video files or a list of file names for each of the plurality of video files.

32. The method according to claim 27, wherein the step of displaying the plurality of thumbnail images comprises,

enlarging an icon representing the selected video file.

33. The method according to claim 27, wherein the at least one of the representative images are I frames of the selected video file.

34. The method according to claim 27, wherein each of the random access points is one of I frames that are inserted with a predetermined interval and can reproduce an independent image, or a frame arrangement that can recover and reproduce an image in a predetermined section in a MPEG series, H.261, or H.264.

35. The method according to claim 27, wherein the plurality of video files are obtained from a camera in real time.

36. The method according to claim 27, further comprising,

receiving an input for reselecting the selected video file;

and

reproducing the selected video file.

37. The method according to claim 36, further comprising, before the reproducing,

enlarging the size of the plurality of thumbnail images.

38. A mobile device comprising:

a storage unit;

a first decoding unit for decoding and reproducing a video file;

a second decoding unit for decoding and generating a plurality of thumbnail images from a selected video file which are spaced apart by a predetermined interval;

a display unit for displaying the reproduced video and the generated plurality of thumbnail images;

an input unit for receiving a command for selecting a video file among a plurality of video files;

a control unit for controlling the storage unit, the first decoding unit, the second decoding units and the display unit.

39. The mobile device according to claim 38, wherein the generated thumbnail images are generated by the second decoding unit in real time from at least one random access points extracted from the selected video file.

40. The mobile device according to claim 38, wherein the at least one random access points are pre-extracted from the selected video file and stored in the storage unit.

41. The mobile device according to claim 38, wherein the plurality of thumbnail images are pre-generated from the selected video file and stored in the storage unit.

42. The mobile device according to claim 38, further comprising a camera, wherein the selected video file is obtained from the camera in real time.

43. The mobile device according to claim 38, wherein the selected video file is selected by the command among characters or a list of file names for representing each of the plurality of video files to the user.

44. The mobile device according to claim 38, wherein when a video file is selected, an icon representing the selected video file is enlarged.

45. The mobile device according to claim 38, wherein the controller directs the first decoder to decode and reproduce the selected video file when an input for reselecting the selected video file is received from the user.

46. The mobile device according to claim 45, wherein the controller directs the display unit to enlarge the size of the plurality of thumbnail images before reproducing the selected video file.