CN1293516A - Equipment and method of utilizing key frame record and/or recurrence of moving picture - Google Patents

Equipment and method of utilizing key frame record and/or recurrence of moving picture Download PDF

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Publication number
CN1293516A
CN1293516A CN00131463A CN00131463A CN1293516A CN 1293516 A CN1293516 A CN 1293516A CN 00131463 A CN00131463 A CN 00131463A CN 00131463 A CN00131463 A CN 00131463A CN 1293516 A CN1293516 A CN 1293516A
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CN
China
Prior art keywords
key frame
recording medium
moving image
moving picture
picture data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN00131463A
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Chinese (zh)
Other versions
CN1177471C (en
Inventor
赵在汶
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1293516A publication Critical patent/CN1293516A/en
Application granted granted Critical
Publication of CN1177471C publication Critical patent/CN1177471C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/40—Scenes; Scene-specific elements in video content
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3081—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is a video-frame or a video-field (P.I.P)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/326—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is a video-frame or a video-field (P.I.P.)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327—Table of contents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address
    • G11B2020/10925—Seeking data on the record carrier for preparing an access to a specific address involving an inter-layer jump, i.e. changing from one recording layer to another

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

There is provided an apparatus for recording and/or reproducing a moving picture using key frames by which the overall scenario of moving picture contents can be ascertained during a trick-play mode, and a method thereof. The recording apparatus includes a recording medium and recording apparatus for marking a representative picture position detected when there is a scene change among coded moving picture data streams, and recording the moving picture data streams on the recording medium. The moving picture reproducing apparatus includes a recording medium having coded moving picture streams and a representative picture position detected when there is a scene change recorded thereon, and reproducing apparatus for searching for the representative picture position recorded on the recording medium and then reproducing a representative picture and automatically marking key frames which represents scene change and recording its position when recorded code moves picture data streams, so as to help reproduce the trick-play mode.

Description

Utilize the Apparatus for () and method therefor of key frame record and/or reproduction moving image
The Apparatus for () and method therefor that the present invention relates to utilize key frame record and/or reproduce moving image, more specifically say and relate to a kind of like this Apparatus for () and method therefor that utilizes the key frame record and/or reproduce moving image, utilize these key frames, in trickplay modes (trick-play mode), can find out whole plots of moving image content.
In existing moving image recording method, moving picture data stream former state is recorded on the recording medium, and in existing moving image reproducting method, so the moving picture data of record flows according to given reproduction speed factor with normal speed or with high-speed retrieval.In the normal speed reproduction mode, reproduction is carried out with normal speed.In the high-speed retrieval pattern, reproduction is to carry out with 2 times, 4 times of normal speed or 6 times of speed.
Yet traditional moving image reproducting method is to carry out with the fixed speed of selecting from predetermined reproduction speed factor.Same problem even can run in such as trickplay modes in the high-speed retrieval pattern.In other words, in trickplay modes, reproduction is to carry out to normal speed or 6 times of speed of selecting to the speed of normal speed from 2 times to normal speed, 4 times.Therefore, according to traditional moving image reproducting method, be difficult to only reproduce the representative picture corresponding key frame of wanting with the user.Therefore, the user will be correctly from moving image with high-speed retrieval (as in trickplay modes) to detect the scene of wanting (for example, the exercise question of film) and reproduce this scene be quite difficult.
For overcoming the problems referred to above, a kind of like this method has been proposed, in the method, the user can be when watching the moving image content direct mark each want the scene reproduced, the scene behind the mark is as the key frame in the reproduction process.Yet, in this way, the user must be when watching the moving image content each scene of wanting of mark manually.Owing to make marks and manually carry out, be not easy correctly the key frame that mark is only represented whole plots of the moving image that takes place in real time.
For addressing the above problem, an object of the present invention is to provide a kind of moving image recording equipment that is used for writing down automatically each position of representative scene from the input moving picture data flow, utilize this equipment can estimate whole plots.
Another object of the present invention provides a kind of automatic search by the representative picture position of moving image recording equipment record and reproduce the moving image reproducer of this picture.
Thereby a further object of the present invention provide a kind of from the input moving picture data flow automatically the representative picture position of record can estimate whole plots, and only the moving image record and/or the reproducting method of the representative picture of reproducing recorded.
Correspondingly, for realizing described first purpose, provide a kind of moving image recording equipment, this equipment comprises: a recording medium; And tape deck, be used for writing down the representative picture position that is detected when when encoded moving picture data stream exists scene to change, and moving picture data stream is recorded on the described recording medium.
Described tape deck preferably comprises: a key frame detects and indexing unit, is used in moving picture data stream detection key frame and its position of mark corresponding to representative picture; With a recording processor, be used on recording medium record and have the moving picture data stream that is marked at representative picture position wherein.
For realizing described second purpose, a kind of moving image reproducer is provided, this equipment comprises: a recording medium, the representative picture position that has write down coding moving image stream thereon and detected when existing scene to change; And transcriber, be used for searching record on described recording medium representative picture position and reproduce representative picture.
Described transcriber comprises: a key frame position search unit is used for flowing the key frame of search corresponding to representative picture at the moving picture data that is recorded on the recording medium; With a reproduction processor, be used for flowing according to the moving picture data that the key frame position data that is found by described key frame position search unit only reads corresponding to this key frame, skip all unlabelled frames between the key frame simultaneously, and be uncoded raw frames data the data stream recovery that is read.
For realizing described the 3rd purpose, a kind of moving image recording method is provided, this method comprises the following step: if (a) provide encoded moving picture data stream, then detect whether there is the scene variation according to coding standard; (b) if detecting scene in step (a) changes, then detect the position of the frame that after detecting the scene variation, takes place first, as representative picture position; (c) be marked at the representative picture position that detects in the step (b); (d) record has the moving picture data stream that is marked at representative picture position wherein.
According to another aspect of the present invention, a kind of moving image reproducting method is provided, be used for reproducing moving image from a recording medium, on this recording medium, write down coding moving image with the representative picture position that is marked at wherein, described method comprises step: if (a) be provided with trickplay modes, the then representative picture position of searching record on recording medium; (b) in the reproduction position of the position data controlling recording medium of the representative picture that in according to step (a), finds, the moving picture data stream of reading and recording on this recording medium; (c) recover the moving picture data stream in step (b), read.
Describe the preferred embodiments of the present invention in detail by the reference accompanying drawing, it is clearer that above-mentioned purpose of the present invention and advantage will become, in the accompanying drawing:
Fig. 1 illustrates according to the record of key frame and/or the functional block diagram of reproducer of utilizing of the present invention;
Fig. 2 illustrates the operating process of utilizing the moving image recording method of key frame according to of the present invention; With
Fig. 3 illustrates the operating process of utilizing the moving image reproducting method of key frame according to of the present invention.
Describe the present invention below with reference to accompanying drawings in detail.
With reference to Fig. 1, comprise according to moving image record of the present invention and/or reproducer: key frame detects and indexing unit 10, recording processor 12, recording medium 14, key frame position search unit 16 and reproduction processes device 18.Key frame detection and indexing unit 10 and recording processor 12 are corresponding to the moving image tape deck.Key frame position search unit 16 and reproduction processes device 18 are corresponding to the moving image transcriber.
Key frame detect and indexing unit 10 when the input coding moving picture data flow, detect according to the coding standard of input moving picture data flow and not have the scene variation, and if have the scene variation then detect key frame corresponding to representative picture.Then, key frame detects and the position of the key frame that indexing unit 10 marks are detected.Encoded moving picture data stream be receive from the scheduled broadcast channel or provide from external system.
For example, be based under the situation that the mpeg encoded standard is encoded in the input moving picture data flow, when the periodic mode of the frame interior (intra-frame) of input moving picture data flow was not normal frame interior periodic mode with the mpeg encoded operating such, key frame detected and indexing unit 10 determines to exist the scene variation.After it determined to exist the scene variation, the frame interior of Fa Shenging was detected as the key frame corresponding to representative picture first.In addition, the frame interior that detects in order to indicate is a key frame, marks the position of the frame interior that is detected.
Recording processor 12 writes down on recording medium 14 has moving picture data stream that is marked at representative picture position wherein and the position of representing the scene of scene variation.Here, the position data of key frame can be recorded in the isolated area of recording medium 14 or can be recorded with moving picture data stream.
The moving image transcriber comprises key frame position search unit 16 and reproduction processes device 18, the position data of the representative picture of this device searching record on recording medium 14, and only reproduce representative picture.In other words, the position data of the key frame that is recorded at the isolated area of recording medium 14 or with moving picture data stream of key frame position search unit 16 searching record.
Be under the situation of the trickplay modes (or fast forword play mode) that is used to appreciate whole plots in current reproduction mode, according to the key frame position data that is found by key frame position search unit 16, reproduction processes device 18 only reads the moving picture data stream corresponding to key frame, skip the reproduction position of recording medium 14 simultaneously, and be uncoded raw frames data with the data stream recovery that reads, it is presented on the screen.
Therefore, in according to moving image record of the present invention and/or reproducer, the user can find out the whole plots with the moving image content of high-speed retrieval easily, and can be the normal reproduction pattern with the high-speed retrieval mode switch when the scene that the user wants occurring.Therefore, owing to can enjoy the detailed moving image of the scene of wanting, the user can improve the satisfaction of reproduction mode.
Fig. 2 is an operating process of utilizing the moving image recording method of key frame according to of the present invention.
If the moving picture data stream of coding is provided as shown in Figure 1, then in step 21, detect whether there is the scene variation.In step 22, the position probing of the frame interior that will take place first after detecting the scene variation is the position corresponding to the key frame of representative picture.In step 23, the key frame position that mark detected is to indicate that it is the position of representative picture.In step 24, will have the moving picture data stream that is marked at wherein and be recorded in the recording medium 14 corresponding to the key frame position of representative picture.
Fig. 3 is an operating process of utilizing the moving image reproducting method of key frame according to of the present invention.
If be provided with the trickplay modes of the whole plots that are used to appreciate the moving image content, then in step 31, from recording medium 14 corresponding to the key frame position of representative picture.In step 32, skipping between the key frame in all unlabelled frames the moving picture data of playback record stream according to the key frame position data that in step 31, finds.In step 33, the moving picture data stream of reading is reverted to uncoded raw frames data.
As mentioned above, according to the present invention, when the record coding moving picture data flows, detect the key frame of representing the scene variation automatically and write down its position.During trickplay modes, the key frame position of searching record and only with high-speed retrieval corresponding to the moving picture data of key frame stream, thereby do not need user's operation can easily find out whole plots of moving image content.
In addition, owing to allow to appreciate whole plots, thereby when occurring the scene that the user wants in the process of watching whole plots, the user can switch to reproduction mode the normal reproduction pattern, thus the content that calling party is wanted in moving picture data flows easily.
From top description,, can make various modifications and not break away from aim of the present invention and scope it although it will be apparent to those skilled in the art that and illustrate and described particular form of the present invention.Therefore, the present invention is unrestricted except that appending claims.

Claims (9)

1. moving image recording equipment comprises:
One recording medium; With
Tape deck is used for writing down the representative picture position that is detected when when encoded moving picture data stream exists scene to change, and moving picture data stream is recorded on the described recording medium.
2. moving image recording equipment as claimed in claim 1, wherein, described tape deck comprises:
One key frame detects and indexing unit, is used in moving picture data stream detection key frame and its position of mark corresponding to representative picture; With
One recording processor is used on recording medium record and has the moving picture data stream that is marked at representative picture position wherein.
3. moving image recording equipment as claimed in claim 2, wherein, described key frame detects and indexing unit is configured to detect scene variation and representative picture position according to the coding standard of encoded moving picture data stream.
4. moving image recording equipment as claimed in claim 3, wherein, in the input moving picture data flow is under the situation about being encoded according to the mpeg encoded standard, when the periodic mode of the frame interior of input moving picture data flow is not normal frame interior periodic mode with the mpeg encoded operating such, described key frame detects and indexing unit determines to exist scene to change, and the frame interior that detects generation first then is as the key frame corresponding to representative picture.
5. moving image reproducer comprises:
One recording medium, the representative picture position that has write down coding moving image stream thereon and when existing scene to change, detected; With
Transcriber, be used for searching record on described recording medium representative picture position and reproduce representative picture.
6. moving image reproducer as claimed in claim 5, wherein, described transcriber comprises:
One key frame position search unit is used for flowing the key frame of search corresponding to representative picture at the moving picture data that is recorded on the described recording medium; With
One reproduces processor, be used for flowing according to the moving picture data that the key frame position data that is found by described key frame position search unit only reads corresponding to this key frame, skip all unlabelled frames between the key frame simultaneously, and be uncoded raw frames data the data stream recovery that is read.
7. moving image recording method comprises the following step:
(a), then detect whether there is the scene variation according to coding standard if encoded moving picture data stream is provided;
(b) if detecting scene in step (a) changes, then detect the position of the frame that after detecting the scene variation, takes place first, as representative picture position;
(c) be marked at the representative picture position that detects in the step (b); With
(d) record has the moving picture data stream that is marked at representative picture position wherein.
8. moving image recording method as claimed in claim 7, wherein, in step (b), the position of a frame interior that takes place first after detecting the scene variation is detected as representative picture position.
9. a moving image reproducting method is used for reproducing moving image from a recording medium, has write down the coding moving image with the representative picture position that is marked at wherein on this recording medium, and described method comprises step:
(a) if be provided with trickplay modes, the representative picture position of searching record on described recording medium then;
(b) position data of the representative picture that finds in according to step (a) is controlled in the reproduction position of described recording medium, the moving picture data stream of reading and recording on this recording medium; With
(c) recover the moving picture data stream in step (b), read.
CNB001314637A 1999-10-19 2000-10-18 Equipment and method of utilizing key frame record and/or recurrence of moving picture Expired - Fee Related CN1177471C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR45297/1999 1999-10-19
KR1019990045297A KR100608454B1 (en) 1999-10-19 1999-10-19 A moving picture recording and/or reproduction apparatus using key frame

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Publication Number Publication Date
CN1293516A true CN1293516A (en) 2001-05-02
CN1177471C CN1177471C (en) 2004-11-24

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KR (1) KR100608454B1 (en)
CN (1) CN1177471C (en)
DE (1) DE10051637B4 (en)
GB (1) GB2357626B (en)

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CN100364335C (en) * 2003-04-24 2008-01-23 富士通株式会社 Image encoding device and image encoding method
CN100401744C (en) * 2003-10-14 2008-07-09 南京Lg新港显示有限公司 Applicability frame conversion detecting method and representative frame guiding method using same
CN101677382A (en) * 2004-04-28 2010-03-24 松下电器产业株式会社 Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
CN101009837B (en) * 2001-11-27 2011-04-27 三星电子株式会社 Method for encoding bit stream of orientation interpolator
US8467529B2 (en) 2008-06-19 2013-06-18 Hitachi, Ltd. Content reproduction apparatus, recording apparatus, recording and reproduction apparatus, and reproduction method
CN101330572B (en) * 2007-06-22 2014-11-12 三星电子株式会社 Method of controlling digital image processing apparatus and digital image processing apparatus
CN104937933A (en) * 2013-09-09 2015-09-23 奥林巴斯株式会社 Image display apparatus, encoding method, and encoding program

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CN101009837B (en) * 2001-11-27 2011-04-27 三星电子株式会社 Method for encoding bit stream of orientation interpolator
CN100364335C (en) * 2003-04-24 2008-01-23 富士通株式会社 Image encoding device and image encoding method
CN100401744C (en) * 2003-10-14 2008-07-09 南京Lg新港显示有限公司 Applicability frame conversion detecting method and representative frame guiding method using same
CN101677382A (en) * 2004-04-28 2010-03-24 松下电器产业株式会社 Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
CN101677383A (en) * 2004-04-28 2010-03-24 松下电器产业株式会社 Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
CN101677382B (en) * 2004-04-28 2013-01-09 松下电器产业株式会社 Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
US8442382B2 (en) 2004-04-28 2013-05-14 Panasonic Corporation Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof
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CN101330572B (en) * 2007-06-22 2014-11-12 三星电子株式会社 Method of controlling digital image processing apparatus and digital image processing apparatus
US8467529B2 (en) 2008-06-19 2013-06-18 Hitachi, Ltd. Content reproduction apparatus, recording apparatus, recording and reproduction apparatus, and reproduction method
CN104937933A (en) * 2013-09-09 2015-09-23 奥林巴斯株式会社 Image display apparatus, encoding method, and encoding program

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Publication number Publication date
GB2357626B (en) 2002-04-17
GB0024778D0 (en) 2000-11-22
DE10051637A1 (en) 2001-04-26
JP3494972B2 (en) 2004-02-09
GB2357626A (en) 2001-06-27
KR100608454B1 (en) 2006-08-02
DE10051637B4 (en) 2006-06-14
CN1177471C (en) 2004-11-24
JP2001169213A (en) 2001-06-22
KR20010037647A (en) 2001-05-15

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