WO2003007603A1 - Modifying video signals by converting non-intra pictures - Google Patents

Modifying video signals by converting non-intra pictures Download PDF

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Publication number
WO2003007603A1
WO2003007603A1 PCT/US2002/019435 US0219435W WO03007603A1 WO 2003007603 A1 WO2003007603 A1 WO 2003007603A1 US 0219435 W US0219435 W US 0219435W WO 03007603 A1 WO03007603 A1 WO 03007603A1
Authority
WO
WIPO (PCT)
Prior art keywords
pictures
picture
predictive
video segment
intra
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.)
Ceased
Application number
PCT/US2002/019435
Other languages
English (en)
French (fr)
Inventor
Donald Henry Willis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Priority to HK04108098.0A priority Critical patent/HK1065430B/xx
Priority to JP2003513237A priority patent/JP4173094B2/ja
Priority to KR1020047000506A priority patent/KR100912171B1/ko
Priority to CA2451997A priority patent/CA2451997C/en
Priority to EP02746589A priority patent/EP1428385A4/en
Priority to MXPA03011573A priority patent/MXPA03011573A/es
Priority to BR0210457-1A priority patent/BR0210457A/pt
Publication of WO2003007603A1 publication Critical patent/WO2003007603A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/036—Insert-editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213—Read-only discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/216—Rewritable discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • 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
    • G11B27/005—Reproducing at a different information rate from the information rate of 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • 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
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • 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

Definitions

  • the inventive arrangements relate generally to video recording systems
  • MPEG video generally uses three types of picture coding methods: Intra (I)
  • I macroblocks are typically composed of I macroblocks. That is, successive P pictures containing
  • I macroblocks can be used to eventually properly decode a P picture, which
  • I macroblocks can be composed of I macroblocks and the lower eighty percent can be
  • the top twenty percent can be composed of non-1 macroblocks.
  • each successive P picture contains I macroblocks.
  • the bottom twenty percent of the last P picture can contain I
  • the I and non-l macroblocks can be stored in
  • the decoder can generally properly decode the fifth P
  • the playback signal normally contains the first portion of I macroblocks.
  • the present invention concerns ⁇ method of recording onto ⁇ storage
  • the method includes the steps of: receiving the
  • the video segment can contain at least one
  • the converting step can further include the
  • each introductory predictive picture can contain intra macroblocks
  • the predetermined number can be based in part on the amount of intra
  • the video segment can contain at least one
  • the converting step can further include the
  • the video segment can be an MPEG video segment that does not
  • the present invention also concerns a system for
  • the system includes: a
  • FIG. 1 is a block diagram of a storage medium device that can modify a
  • FIG. 2 is a flow chart that illustrates the operation of modifying a video
  • FIG. 1 shown in block diagram form in FIG. 1. The invention, however, is not limited to
  • any other storage medium device capable of receiving a digitally encoded
  • the device 10 is not limited to reading data from or writing
  • the device 10 can include a controller 24 for reading data from and
  • the device 10 can also have a control
  • CPU central processing unit
  • Control and data interfaces can also be
  • Suitable software or firmware can be provided in memory for the conventional oper ⁇ tions performed by control CPU 14. Further, program routines can be
  • the decoder 18 and the encoder 20 can be considered a video
  • processor 1 1 within contemplation of the present invention.
  • the P pictures in this video signal can contain
  • the signal does not
  • control CPU 14 can signal the decoder 18 to selectively decode
  • the encoder is configured to decode one or more subsequent P pictures in the video signal.
  • searching engine 16 can search the video signal by locating each picture's start
  • the searching engine 16 can signal the
  • control CPU 14 can then determine whether the picture is
  • control CPU 14 can then signal the decoder 18 to decode the appropriate number of P
  • control CPU 14 can signal the encoder 20 to re-encode
  • the video signal can be sent to the record buffer 22 where the signal can be temporarily stored. From the record buffer 22, the signal can be
  • the present invention can be realized in hardware, software, or a
  • Machine readable storage according to
  • control CPU 14 or in a distributed fashion
  • control CPU 14 of FIG. 1 contemplates the control CPU 14 of FIG. 1 , a typical combination of hardware
  • the present invention can also be embedded in a
  • a computer system is able to carry out these methods.
  • a computer program in the present context can mean any expression, in
  • the invention disclosed herein can be a method embedded in a
  • FIG.2 illustrates a flowchart 200 that demonstrates one way in which video
  • the example contains only non-l pictures (P and B pictures) and
  • each P picture does not contain any I pictures.
  • a portion of each P picture is typically encoded
  • any video signal that contains at least one P picture can be any video signal that contains at least one P picture.
  • this includes video signals that contain I pictures.
  • header which is a header that contains decoding information about the
  • step 212 once a video signal is received, one or more of the P pictures
  • the number of the P pictures to be decoded is obtained. In one arrangement, the number of the P pictures to be decoded
  • P14 - can be decoded, which can result in picture P ⁇ 4 being properly decoded.
  • P picture in the typical video sequence is comprised of I macroblocks. It should be
  • P pictures used to obtain the properly decoded P picture can be referred to as
  • the properly decoded P picture can be used to decode
  • step 214 it is preferable that all the subsequent P pictures
  • one or more P pictures following the skipped P picture(s) can be used
  • the video signal can be recorded onto a storage

Landscapes

  • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PCT/US2002/019435 2001-07-12 2002-06-19 Modifying video signals by converting non-intra pictures Ceased WO2003007603A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
HK04108098.0A HK1065430B (en) 2001-07-12 2002-06-19 Modifying video signals by converting non-intra pictures
JP2003513237A JP4173094B2 (ja) 2001-07-12 2002-06-19 ビデオ・セグメントを記憶媒体に録画する方法およびシステム
KR1020047000506A KR100912171B1 (ko) 2001-07-12 2002-06-19 논인트라 화상의 변환을 이용한 비디오 신호의 수정
CA2451997A CA2451997C (en) 2001-07-12 2002-06-19 Modifying video signals by converting non-intra pictures
EP02746589A EP1428385A4 (en) 2001-07-12 2002-06-19 MODIFICATION OF VIDEO SIGNALS BY CONVERSION IN NON INTRA IMAGES
MXPA03011573A MXPA03011573A (es) 2001-07-12 2002-06-19 Modificacion de senales de video convirtiendo imagenes no-intra.
BR0210457-1A BR0210457A (pt) 2001-07-12 2002-06-19 Modificação de sinais de vìdeo pela conversão de não intra-imagens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/904,022 2001-07-12
US09/904,022 US7376341B2 (en) 2001-07-12 2001-07-12 Modifying video signals by converting non-intra pictures

Publications (1)

Publication Number Publication Date
WO2003007603A1 true WO2003007603A1 (en) 2003-01-23

Family

ID=25418396

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/019435 Ceased WO2003007603A1 (en) 2001-07-12 2002-06-19 Modifying video signals by converting non-intra pictures

Country Status (11)

Country Link
US (1) US7376341B2 (https=)
EP (1) EP1428385A4 (https=)
JP (1) JP4173094B2 (https=)
KR (1) KR100912171B1 (https=)
CN (1) CN1290325C (https=)
BR (1) BR0210457A (https=)
CA (1) CA2451997C (https=)
MX (1) MXPA03011573A (https=)
MY (1) MY138818A (https=)
TW (1) TW571588B (https=)
WO (1) WO2003007603A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010109133A1 (fr) * 2009-03-24 2010-09-30 Streamwide Procede et dispositif de stockage d'une partie d'un flux video.
WO2014001381A3 (en) * 2012-06-28 2014-03-06 Axis Ab System and method for encoding video content using virtual intra-frames
EP3093849A1 (en) * 2015-01-16 2016-11-16 Hangzhou Hikvision Digital Technology Co., Ltd. Systems, devices and methods for video storage

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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KR100543453B1 (ko) * 2003-04-24 2006-01-23 삼성전자주식회사 디지털 비디오 스트림의 역재생시 비트율을 제어하기 위한 장치 및 그 방법
US6873786B2 (en) * 2003-05-05 2005-03-29 Thomson Licensing S.A. Reverse trick modes on non-progressive video using special groups of pictures
WO2007024236A1 (en) * 2005-08-26 2007-03-01 Thomson Licensing Transcoded images for improved trick play
US10537286B2 (en) 2013-01-08 2020-01-21 Biosense Webster (Israel) Ltd. Catheter with multiple spines of different lengths arranged in one or more distal assemblies

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US5897219A (en) * 1993-09-10 1999-04-27 Goldstar Co., Ltd. Recording/playback apparatus for digital video cassette recorder
US6104441A (en) * 1998-04-29 2000-08-15 Hewlett Packard Company System for editing compressed image sequences
US6201925B1 (en) * 1996-11-15 2001-03-13 Futuretel, Inc. Method and apparatus for editing video files

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US5717816A (en) * 1993-01-13 1998-02-10 Hitachi America Ltd. Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames
US5726711A (en) 1993-01-13 1998-03-10 Hitachi America, Ltd. Intra-coded video frame data processing methods and apparatus
EP0695088B1 (en) * 1994-07-29 2000-05-10 Sharp Kabushiki Kaisha Video storage type communication device
JP3321332B2 (ja) * 1995-04-07 2002-09-03 シャープ株式会社 画像蓄積通信装置
US6122433A (en) * 1994-10-20 2000-09-19 Thomson Licensing S.A. HDTV trick play stream derivation for VCR
US6445738B1 (en) 1996-04-25 2002-09-03 Opentv, Inc. System and method for creating trick play video streams from a compressed normal play video bitstream
US6400886B1 (en) * 1996-11-15 2002-06-04 Futuretel, Inc. Method and apparatus for stitching edited video segments
US6434195B1 (en) 1998-11-20 2002-08-13 General Instrument Corporaiton Splicing of video data in progressively refreshed video streams
JP2001028748A (ja) * 1999-07-12 2001-01-30 Sony Corp データ再生伝送装置及びデータ再生伝送方法
US6839504B1 (en) * 1999-09-30 2005-01-04 Matsushita Electric Industrial Co., Ltd. Information recording medium and system controller
US6944226B1 (en) * 2000-10-03 2005-09-13 Matsushita Electric Corporation Of America System and associated method for transcoding discrete cosine transform coded signals

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Publication number Priority date Publication date Assignee Title
US5897219A (en) * 1993-09-10 1999-04-27 Goldstar Co., Ltd. Recording/playback apparatus for digital video cassette recorder
US6201925B1 (en) * 1996-11-15 2001-03-13 Futuretel, Inc. Method and apparatus for editing video files
US6104441A (en) * 1998-04-29 2000-08-15 Hewlett Packard Company System for editing compressed image sequences

Non-Patent Citations (1)

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Title
See also references of EP1428385A4 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010109133A1 (fr) * 2009-03-24 2010-09-30 Streamwide Procede et dispositif de stockage d'une partie d'un flux video.
FR2943877A1 (fr) * 2009-03-24 2010-10-01 Streamwide Procede et dispositif de stockage d'une partie d'un flux video
WO2014001381A3 (en) * 2012-06-28 2014-03-06 Axis Ab System and method for encoding video content using virtual intra-frames
US9813732B2 (en) 2012-06-28 2017-11-07 Axis Ab System and method for encoding video content using virtual intra-frames
US10009630B2 (en) 2012-06-28 2018-06-26 Axis Ab System and method for encoding video content using virtual intra-frames
EP3093849A1 (en) * 2015-01-16 2016-11-16 Hangzhou Hikvision Digital Technology Co., Ltd. Systems, devices and methods for video storage
US10170156B2 (en) 2015-01-16 2019-01-01 Hangzhou Hikvision Digital Technology Co., Ltd. Systems, devices and methods for video storage

Also Published As

Publication number Publication date
CN1528087A (zh) 2004-09-08
CN1290325C (zh) 2006-12-13
EP1428385A1 (en) 2004-06-16
BR0210457A (pt) 2004-08-24
HK1065430A1 (en) 2005-02-18
CA2451997C (en) 2011-05-10
US7376341B2 (en) 2008-05-20
US20030012561A1 (en) 2003-01-16
MXPA03011573A (es) 2004-03-19
JP2005507186A (ja) 2005-03-10
KR100912171B1 (ko) 2009-08-14
KR20040015808A (ko) 2004-02-19
EP1428385A4 (en) 2005-12-14
MY138818A (en) 2009-07-31
CA2451997A1 (en) 2003-01-23
TW571588B (en) 2004-01-11
JP4173094B2 (ja) 2008-10-29

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