JP2007251519A - ビデオデータ保管装置及びビデオデータ保管方法 - Google Patents
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- H04N5/76—Television signal recording
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- 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
- G11B27/3027—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 digitally coded
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- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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- H04N21/2315—Data placement on disk arrays using interleaving
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- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
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- H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
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- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
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Abstract
【解決手段】ビデオデータ送信装置30は、メモリーカード31の記憶領域31a,31bを、互いに同じ容量の区画に均等に区分して管理する。ビデオデータを構成するイメージデータは、先頭の区画から末尾の区画に向かって順に、一区画当り一つずつ格納される。そして、古いイメージデータから順に上書きされることにより、この記憶領域31a,31bには、イメージデータの記録時点から所定時間遡った時点までのN個のイメージデータが、常に、一時保管される。
【選択図】図3
Description
フラッシュメモリからなる記憶媒体の全記憶領域を区分することによって、容量が互いに等しい区画をその記憶領域上に複数定義する区画定義部,
ビデオデータを構成するイメージデータが入力されるたびに、そのイメージデータに時刻情報を付加して前記記憶領域における最も古いイメージデータが格納されている区画に書き込む格納部,及び、
前記格納部が何れかの区画にイメージデータを書き込むたびに、その区画に書き込まれた時刻情報とその区画の前記記憶領域内での所在位置を示す情報とを対応付けて記憶する記憶部
を備えることを特徴とするビデオデータ保管装置。
イメージデータの保存が指示されると、その指示された時点の直前にイメージデータが書き込まれた所定個数の区画を、イメージデータが書き込めない状態にする状態切替部を、更に備え、
前記格納部は、イメージデータを何れかの区画に書き込む際、イメージデータが書き込めない状態となっている区画を除く残りの区画のうち、最も古いイメージデータが格納されている区画にイメージデータを書き込む
ことを特徴とする付記1記載のビデオデータ保管装置。
前記格納部は、イメージデータを何れかの区画に書き込む際、そのイメージデータに対し、時刻情報とともに、上書きされても良い旨を示す状態のフラグ情報を付加し、それら情報を付加したイメージデータを、上書きを禁止する旨を示す状態のフラグ情報が書き込まれている区画を除く残りの区画のうち、最も古いイメージデータが格納されている区画に、書き込み、
前記状態切替部は、イメージデータの保存が指示されたとき、その指示された時点の直前にイメージデータが書き込まれた所定個数の区画のフラグ情報を、上書きされても良い旨を示す状態から、上書きを禁止する旨を示す状態へ、切り替える
ことを特徴とする付記2記載のビデオデータ保管装置。
ネットワークを介して何れかの端末装置から要求が指示されると、イメージデータが書き込めない状態の区画に格納されているイメージデータを、その端末装置へ送信する送信部
を更に備えることを特徴とする付記1記載のビデオデータ保管装置。
フラッシュメモリからなる記憶媒体の全記憶領域を均等に区分することによって、容量が互いに等しい区画をその記憶領域上に複数定義しておき、
ビデオデータを構成するイメージデータが入力されるたびに、そのイメージデータに時刻情報を付加して前記記憶領域における最も古いイメージデータが格納されている区画に書き込むとともに、
何れかの区画にイメージデータが書き込まれるたびに、その区画に書き込まれた時刻情報とその区画の前記記憶領域内での所在位置を示す情報とを対応付けて記憶する
ことを特徴とするビデオデータ保管方法。
コンピュータを、
フラッシュメモリからなる記憶媒体の全記憶領域を区分することによって、容量が互いに等しい区画をその記憶領域上に複数定義する区画定義手段,
ビデオデータを構成するイメージデータが入力されるたびに、そのイメージデータに時刻情報を付加して前記記憶領域における最も古いイメージデータが格納されている区画に書き込む格納手段,及び、
前記格納手段が何れかの区画にイメージデータを書き込むたびに、その区画に書き込まれた時刻情報とその区画の前記記憶領域内での所在位置を示す情報とを対応付けて記憶装置に記憶する記憶手段
として機能させる
ことを特徴とするビデオデータ保管プログラム。
20 異常検出センサ
30 ビデオデータ送信装置
30c SDRAM
30f MPEG−4ビデオエンコーダ
30g MPEG−2ビデオエンコーダ
30i PCカードコントローラ
40 ビデオデータ受信装置
50 モニタ
Claims (5)
- フラッシュメモリからなる記憶媒体の全記憶領域を区分することによって、容量が互いに等しい区画をその記憶領域上に複数定義する区画定義部,
ビデオデータを構成するイメージデータが入力されるたびに、そのイメージデータに時刻情報を付加して前記記憶領域における最も古いイメージデータが格納されている区画に書き込む格納部,及び、
前記格納部が何れかの区画にイメージデータを書き込むたびに、その区画に書き込まれた時刻情報とその区画の前記記憶領域内での所在位置を示す情報とを対応付けて記憶する記憶部
を備えることを特徴とするビデオデータ保管装置。 - イメージデータの保存が指示されると、その指示された時点の直前にイメージデータが書き込まれた所定個数の区画を、イメージデータが書き込めない状態にする状態切替部を、更に備え、
前記格納部は、イメージデータを何れかの区画に書き込む際、イメージデータが書き込めない状態となっている区画を除く残りの区画のうち、最も古いイメージデータが格納されている区画にイメージデータを書き込む
ことを特徴とする請求項1記載のビデオデータ保管装置。 - 前記格納部は、イメージデータを何れかの区画に書き込む際、そのイメージデータに対し、時刻情報とともに、上書きされても良い旨を示す状態のフラグ情報を付加し、それら情報を付加したイメージデータを、上書きを禁止する旨を示す状態のフラグ情報が書き込まれている区画を除く残りの区画のうち、最も古いイメージデータが格納されている区画に、書き込み、
前記状態切替部は、イメージデータの保存が指示されたとき、その指示された時点の直前にイメージデータが書き込まれた所定個数の区画のフラグ情報を、上書きされても良い旨を示す状態から、上書きを禁止する旨を示す状態へ、切り替える
ことを特徴とする請求項2記載のビデオデータ保管装置。 - ネットワークを介して何れかの端末装置から要求が指示されると、イメージデータが書き込めない状態の区画に格納されているイメージデータを、その端末装置へ送信する送信部
を更に備えることを特徴とする請求項1記載のビデオデータ保管装置。 - フラッシュメモリからなる記憶媒体の全記憶領域を均等に区分することによって、容量が互いに等しい区画をその記憶領域上に複数定義しておき、
ビデオデータを構成するイメージデータが入力されるたびに、そのイメージデータに時刻情報を付加して前記記憶領域における最も古いイメージデータが格納されている区画に書き込むとともに、
何れかの区画にイメージデータが書き込まれるたびに、その区画に書き込まれた時刻情報とその区画の前記記憶領域内での所在位置を示す情報とを対応付けて記憶する
ことを特徴とするビデオデータ保管方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2006071080A JP2007251519A (ja) | 2006-03-15 | 2006-03-15 | ビデオデータ保管装置及びビデオデータ保管方法 |
US11/513,094 US8305463B2 (en) | 2006-03-15 | 2006-08-31 | Video data saving device and video data saving method |
KR1020060085045A KR20070093783A (ko) | 2006-03-15 | 2006-09-05 | 비디오 데이터 보관 장치 및 비디오 데이터 보관 방법 |
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JP2006071080A JP2007251519A (ja) | 2006-03-15 | 2006-03-15 | ビデオデータ保管装置及びビデオデータ保管方法 |
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JP2011076512A Division JP5299464B2 (ja) | 2011-03-30 | 2011-03-30 | ビデオデータ保管装置及びビデオデータ保管方法 |
JP2011076509A Division JP5299461B2 (ja) | 2011-03-30 | 2011-03-30 | データ保管装置及びデータ保管方法 |
JP2011076511A Division JP5299463B2 (ja) | 2011-03-30 | 2011-03-30 | データ保管装置及びデータ保管方法 |
JP2011076510A Division JP5299462B2 (ja) | 2011-03-30 | 2011-03-30 | ビデオデータ保管装置及びビデオデータ保管方法 |
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KR (1) | KR20070093783A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009116624A (ja) * | 2007-11-06 | 2009-05-28 | Seiko Epson Corp | データ記録装置 |
JP2011109757A (ja) * | 2009-11-13 | 2011-06-02 | Mitsubishi Motors Corp | 電気自動車の充電システム |
Families Citing this family (10)
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JP2013012836A (ja) * | 2011-06-28 | 2013-01-17 | Nifco Inc | データ記録制御装置およびデータ記録装置 |
JP6164297B2 (ja) * | 2013-09-30 | 2017-07-19 | 富士通株式会社 | 映像蓄積配信装置、システム、方法及びプログラム |
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CN106658229A (zh) * | 2015-10-29 | 2017-05-10 | 北京国双科技有限公司 | 视频时长的划分方法及装置 |
CN106658230A (zh) * | 2015-10-29 | 2017-05-10 | 北京国双科技有限公司 | 视频时长的划分方法及装置 |
US10178341B2 (en) * | 2016-03-01 | 2019-01-08 | DISH Technologies L.L.C. | Network-based event recording |
GB2549472B (en) * | 2016-04-15 | 2021-12-29 | Grass Valley Ltd | Methods of storing media files and returning file data for media files and media file systems |
CN109525852B (zh) * | 2018-11-22 | 2020-11-13 | 北京奇艺世纪科技有限公司 | 直播视频流处理方法、装置、系统及计算机可读存储介质 |
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KR20070093783A (ko) | 2007-09-19 |
US20070216780A1 (en) | 2007-09-20 |
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