JP2007261569A - Route video management device - Google Patents

Route video management device Download PDF

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JP2007261569A
JP2007261569A JP2007047024A JP2007047024A JP2007261569A JP 2007261569 A JP2007261569 A JP 2007261569A JP 2007047024 A JP2007047024 A JP 2007047024A JP 2007047024 A JP2007047024 A JP 2007047024A JP 2007261569 A JP2007261569 A JP 2007261569A
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video
route
sign symbol
symbol
sign
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JP4845770B2 (en
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Yuichi Shoji
雄一 庄司
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a route video control device capable of forming video information through the recognition of a symbol required for operation of a vehicle. <P>SOLUTION: The device is equipped with a video acquiring means 1 for successively acquiring a plurality of different sign signals arranged along a route on which a vehicle travels and a video formed by digitizing a route, a sign signal recognizing means 2 for recognizing a sign signal in a video, a change detecting means 3 for detecting the change of a sign signal, a time recording means 4 for measuring the time required from start of a video till each changed symbol and recording the changed symbol and measured time correspondingly to each other, and a list preparation means 5 for preparing a symbol list employed to output a video from a prescribed symbol in correspondence with the time required from the start of the vide till the prescribed symbol. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、鉄道車両等が走行する路線を視覚的に把握することができる路線映像管理装置に関するものである。   The present invention relates to a route image management apparatus capable of visually grasping a route on which a railway vehicle or the like travels.

従来の路線映像管理装置においては、鉄道路線の所定距離毎の映像情報が格納されると共に、起点を基準とするキロ程情報が付けられている。   In a conventional route image management apparatus, image information for each predetermined distance of a railway line is stored and information about a kilometer based on the starting point is attached.

特開２００２−９２１０９号公報（第３ページ、図１）JP 2002-92109 A (3rd page, FIG. 1)

従来の路線映像管理装置では、鉄道路線の所定距離毎の映像を１単位として格納若しくは加工し、これにキロ程情報、路線を識別するコード等を入力する必要があるので、映像情報の作成が面倒であるという問題点があった。   In the conventional route image management device, it is necessary to store or process an image for each predetermined distance of a railway line as one unit, and to input kilometer information, a code for identifying the route, etc. to this, it is necessary to create image information. There was a problem that it was troublesome.

この発明は、上述のような問題点を解消するためになされたもので、鉄道等の路線に沿って配置された標識記号を認識して路線の映像と対応付けをすることにより、映像情報の作成を行うことができる路線映像管理装置を提供することを目的としたものである。   The present invention has been made to solve the above-described problems. By recognizing a sign symbol arranged along a route such as a railroad and associating it with a route image, An object of the present invention is to provide a route image management apparatus that can be created.

この発明に係わる路線映像管理装置は、車両が走行する路線に沿って配置された複数の異なる標識記号と共に路線をデジタル化した映像を連続して取得する映像取得手段と、映像内の標識記号を認識する標識記号認識手段と、標識記号が変化したことを検知する変化検知手段と、映像の開始から変化した各標識記号までの時間を計測し、変化した標識記号と計測した時間とを対応付けして記録する時間記録手段と、映像の開始から所定の標識記号までの時間対応で所定の標識記号以降の映像を出力するために用いられる標識記号リストを作成するリスト作成手段とを備えたものである。   The route image management apparatus according to the present invention includes a video acquisition means for continuously acquiring a digitized image of a route together with a plurality of different sign symbols arranged along a route on which the vehicle travels, and a sign symbol in the image. Recognized sign symbol recognition means, change detection means for detecting that the sign symbol has changed, and measures the time from the start of the video to each changed sign symbol, and associates the changed sign symbol with the measured time And a time record means for recording and a list creation means for creating a sign symbol list used for outputting video after a predetermined sign symbol in correspondence with the time from the start of the video to the predetermined sign symbol It is.

この発明は、車両が走行する路線に沿って配置された標識記号と共に路線の映像を取得して標識記号を認識し、映像の開始から変化した各標識記号までの時間を計測し、変化した標識記号と計測した時間とを対応付けして、映像の開始から所定の標識記号までの時間対応で所定の標識記号以降の映像を出力するために用いられる標識記号リストを作成したことにより、映像を取得しながらキロ程を測定する必要がなく、映像と共に取得した標識記号を認識することにより映像情報の作成を容易に行うことができる。   The present invention acquires an image of a route along with a sign symbol arranged along a route along which the vehicle travels, recognizes the sign symbol, measures the time from the start of the image to each changed sign symbol, and changes the sign By associating the symbol with the measured time and creating a sign symbol list used to output the video after the predetermined sign symbol in correspondence with the time from the start of the video to the predetermined sign symbol, It is not necessary to measure the kilometer while acquiring, and video information can be easily created by recognizing the acquired sign symbol together with the video.

実施の形態１．
図１は、この発明を実施するための実施の形態１における路線映像管理装置を示すブロック図である。
図１において、電車が走行する鉄道や自動車が走行する高速道路の路線（図示せず）に沿って配置された、例えば複数の電柱に付けられた異なる電柱番号等の標識記号と共に路線をデジタル化した映像を連続して映像取得手段１が取得する。映像取得手段１が取得した映像内の標識記号を文字認識方式等の標識記号認識手段２が認識する。変化検知手段３は標識記号が変化したことを検知する。時間記録手段４は映像の開始から各標識記号が変化するまでの時間を計測し、変化した標識記号と計測した時間とを対応付けして記録する
。リスト作成手段５は映像の開始から所定の標識記号までの時間対応で所定の標識記号以降の映像を出力するために用いられる標識記号リストを作成する。 Embodiment 1 FIG.
FIG. 1 is a block diagram showing a route image management apparatus according to Embodiment 1 for carrying out the present invention.
In FIG. 1, a route is digitized together with signs and symbols such as different power pole numbers attached to a plurality of power poles, for example, arranged along a route (not shown) of a railway on which a train runs and a highway on which a car runs. The video acquisition means 1 acquires the acquired video continuously. The sign symbol recognition means 2 such as a character recognition method recognizes the sign symbols in the video acquired by the video acquisition means 1. The change detection means 3 detects that the sign symbol has changed. The time recording means 4 measures the time from the start of the video until each marker symbol changes, and records the changed marker symbol in association with the measured time. The list creation means 5 creates a sign symbol list that is used to output a video after a predetermined sign symbol in correspondence with the time from the start of the video to the predetermined sign symbol.

次に動作について説明する。図２は図１のブロック図の動作を示すフローチャートである。図１及び図２において、車両等のスタート地点から路線（図示せず）に沿って配置された複数の異なる標識記号と共に路線をデジタル化した映像を連続して映像取得手段１が取得する（ステップＳ１）。映像が連続して取得されている（ステップＳ２）ので、標識記号認識手段２が映像内の標識記号を認識する（ステップＳ３）。スタート地点の標識記号が認識されると時間記録手段４が映像の開始から時間の計測を開始する（ステップＳ４）。そして、変化検知手段３が次の標識記号を認識して標識記号が変化したことを検知する（ステップＳ５）と、時間記録手段４が映像の開始から変化した標識記号までの時間を変化した標識記号と計測した時間とを対応付けして記録する（ステップ６）。リスト作成手段５は、映像の開始から所定の標識記号までの時間対応で所定の標識記号以降の映像を出力するために用いられる標識記号リストを作成する（ステップＳ７）。映像の取得が終了する（ステップＳ２）と終了する。 Next, the operation will be described. FIG. 2 is a flowchart showing the operation of the block diagram of FIG. 1 and 2, the image acquisition means 1 continuously acquires images obtained by digitizing a route together with a plurality of different sign symbols arranged along a route (not shown) from a start point of a vehicle or the like (steps). S 1). Since the video is continuously acquired (step S 2 ), the sign symbol recognition means 2 recognizes the sign symbol in the video (step S 3 ). When the sign of the start point is recognized, the time recording means 4 starts measuring time from the start of the video (step S 4 ). Then, when the change detection means 3 recognizes the next sign symbol and detects that the sign symbol has changed (step S 5 ), the time recording means 4 changes the time from the start of the video to the changed sign symbol. The sign symbol and the measured time are recorded in association with each other (step 6 ). The list creating means 5 creates a sign symbol list used for outputting a video after a predetermined sign symbol in correspondence with time from the start of the video to the predetermined sign symbol (step S 7 ). When the video acquisition ends (step S 2 ), the processing ends.

以上のように、車両が走行する路線に沿って配置された標識記号と共に路線の映像を映像取得手段１で取得して標識記号認識手段２が標識記号を認識し、映像の開始から変化した各標識記号までの時間を時間記録手段４が計測し、変化した標識記号と計測した時間とを対応付けして記録する。映像の開始から所定の標識記号までの時間対応で所定の標識記号以降の映像を出力するために用いられる標識記号リストをリスト作成手段５で作成することにより、映像と共に取得した標識記号を認識することにより映像情報の作成を容易に行うことができる。
また、標識記号は路線に沿って設置された電柱に付けられた電柱番号としたので、既存の設備を利用して標識記号を簡単に取得することができる。
また、実施の形態１において、例えば監視センターの監視員が映像の再生を行う場合は、リスト作成手段５で作成した標識記号リストの所定の標識記号を入力することにより標識記号に対応した映像の頭出しをして再生することができる。この場合、標識記号の入力により標識リストどおり標識記号以降の映像を再生させる以外に、その標識記号に対応して所定時間前から再生を行い、標識記号の周辺の映像を表示させるようにしても良い。
これにより監視員はモニタの映像をチェックして路線の状況を容易に把握することができる。
なお、実施の形態１において、電車が走行する鉄道や自動車が走行する高速道路の路線の映像管理について説明したが、送電線等のライン状に配置された構造物等の映像管理にも適用することができる。 As described above, the video acquisition means 1 acquires the video of the route together with the sign symbols arranged along the route on which the vehicle travels, and the sign symbol recognition means 2 recognizes the sign symbol, and each change from the start of the video. The time recording means 4 measures the time until the sign symbol, and records the changed sign symbol and the measured time in association with each other. By creating a list of sign symbols used by the list creation means 5 to output a video after the predetermined sign symbol in correspondence with the time from the start of the image to the predetermined sign symbol, the sign symbol acquired together with the image is recognized. Therefore, it is possible to easily create video information.
In addition, since the sign symbol is the utility pole number attached to the utility pole installed along the route, the sign symbol can be easily obtained using existing equipment.
In the first embodiment, for example, when a monitor at the monitoring center reproduces a video, the video corresponding to the sign symbol is input by inputting a predetermined sign symbol of the sign symbol list created by the list creation means 5. You can play the cue. In this case, in addition to reproducing the video after the sign symbol according to the sign list by inputting the sign symbol, the video around the sign symbol may be displayed by playing from the predetermined time corresponding to the sign symbol. good.
As a result, the monitor can easily check the route status by checking the video on the monitor.
In the first embodiment, the video management of the railway on which the train runs and the route of the expressway on which the car runs has been described. However, the video management of the structure arranged in a line shape such as a power transmission line is also applied. be able to.

実施の形態２．
図３は、この発明を実施するための実施の形態２における路線映像管理装置を示す構成図である。路線映像管理装置そのものは、実施の形態１の図１に示したブロック図と同等であり、また、動作を示すフローチャートも図２と同等なので、詳細な説明は省略する。本実施の形態では、路線映像管理装置が、電力管理システムとネットワークで繋がっているところに特徴を有するので、以下、その部分を主に説明する。 Embodiment 2. FIG.
FIG. 3 is a block diagram showing a route image management apparatus according to Embodiment 2 for carrying out the present invention. The route video management apparatus itself is equivalent to the block diagram shown in FIG. 1 of the first embodiment, and the flowchart showing the operation is also equivalent to FIG. In the present embodiment, the route video management apparatus is characterized in that it is connected to the power management system through a network.

路線映像管理装置６では、実施の形態１で説明したと同様に、予め、鉄道路線の映像を、その路線に沿って複数個設置されている電柱に付けられた電柱番号の映像と共に、路線映像として映像取得手段１に取り込み、電柱番号を標識記号として標識記号認識手段２により文字認識すると共に、リスト作成手段５で電柱番号とその電柱番号以降の路線映像とを対応させた標識記号リストを作成しておく。   In the route image management device 6, as described in the first embodiment, the route image is previously recorded along with the image of the pole number attached to the plurality of utility poles installed along the route. As a sign acquisition means 1, the power pole number is used as a sign symbol, and the sign symbol recognition means 2 recognizes characters, and the list creation means 5 creates a sign symbol list that associates the power pole number with the route video after the power pole number. Keep it.

電力管理システム７は、電車が走行する鉄道の路線（図示せず）に沿って設けられた鉄道変電所（き電区分所、配電所等を含む）を管理するものである。すなわち、路線沿いに遠方に散在する鉄道変電所や関連する電力機器等とネットワークで結んで各機器を一括制御・監視している。この電力管理システム７と路線映像管理装置６とが、ネットワーク８を介して接続されており、ネットワーク８を経由して信号の授受ができるよう構成されている。   The power management system 7 manages railway substations (including feeder stations, distribution stations, etc.) provided along railway lines (not shown) on which the train runs. In other words, each device is collectively controlled and monitored by connecting to a railway substation and related power devices scattered along the route through a network. The power management system 7 and the route image management device 6 are connected via a network 8 and configured to be able to exchange signals via the network 8.

次に、例えば、鉄道路線で故障等が発生し、その故障箇所付近の映像を再生する場合を例に挙げて、本実施の形態の路線映像管理装置６の動作を説明する。
路線にて故障が発生した場合、電力管理システム７は、故障箇所を特定すると共にその故障位置情報（ロケータ情報、キロ程、電柱番号等）を作成する。その中から、故障位置の電柱番号を故障位置情報９として、ネットワーク８を介して路線映像管理装置６へ送信する。路線映像管理装置６では、受信した故障位置情報９の電柱番号を標識記号として指定し、例えばキーボード等の入力装置に入力すると、路線映像管理装置６の内部の標識記号リストから、その電柱番号に対応する路線映像を検索し、その路線映像をディスプレイ等の表示装置で再生する。なお、キーボードからの入力によらず、受信した電柱番号を自動的に入力するようにしても良い。 Next, for example, the operation of the route image management apparatus 6 according to the present embodiment will be described by taking as an example a case where a failure or the like occurs on a railway line and a video near the failure point is reproduced.
When a failure occurs on the route, the power management system 7 identifies the failure location and creates failure location information (locator information, kilometer distance, utility pole number, etc.). Among them, the telephone pole number of the failure position is transmitted as failure position information 9 to the route image management apparatus 6 via the network 8. In the route image management device 6, when the telephone pole number of the received failure position information 9 is designated as a sign symbol and is input to an input device such as a keyboard, for example, the power pole number is set from the sign symbol list inside the route image management device 6. The corresponding route image is searched, and the route image is reproduced on a display device such as a display. Note that the received telephone pole number may be automatically input without being input from the keyboard.

電力管理システム７と路線映像管理装置６がネットワークで結ばれていない従来の方式では、例えば鉄道路線のある位置で電力機器が故障した場合、電力管理システムが故障位置を特定し、その位置情報に基づき故障復旧のために作業員が故障現場へ急行しようとしても、現場がどのような状況かは行ってみなければ判らない場合があり、例えば道路が狭くて作業車が現場に近づけないなど、早期復旧に支障が出る場合があった。あるいはまた、故障現場に出向く前に、予め撮影しておいた路線映像から故障現場付近の映像を確認しようとしても、膨大な路線映像データから故障現場を捜して再生するにはかなりの時間と手間がかかり、早期復旧に支障が出る場合があった。
これに対し、本実施の形態の発明では、上記のように、電力管理システム７からの情報をもとに鉄道路線の故障箇所付近の映像を、自動的に再生するようにしたものである。
なお、電力管理システム７からの情報は、故障位置情報に限定するものではなく、必要に応じて他の情報でも良い。要は、電力管理システムから送信されてきた標識記号に基づき、その標識記号に対応する映像を再生するようにしたものである。 In the conventional method in which the power management system 7 and the route image management device 6 are not connected by a network, for example, when a power device fails at a certain position on the railway line, the power management system identifies the failure position and uses the position information as the position information. Even if an operator tries to rush to the breakdown site for failure recovery, it may not be possible to know what the site is like, for example, the road is narrow and the work vehicle cannot approach the site, etc. In some cases, early recovery was hindered. Alternatively, even if you try to check the image of the vicinity of the failure site from the route video taken before going to the failure site, it takes a lot of time and effort to search for the failure site from a huge amount of route video data and play it back. In some cases, early recovery could be hindered.
On the other hand, in the invention of the present embodiment, as described above, the video near the failure point on the railway line is automatically reproduced based on the information from the power management system 7.
Note that the information from the power management system 7 is not limited to the failure location information, and may be other information as necessary. In short, based on the sign symbol transmitted from the power management system, the video corresponding to the sign symbol is reproduced.

以上のように、本実施の形態の発明によれば、路線映像管理装置は、路線に沿って設けられた鉄道変電所を管理する電力管理システムにネットワークを介して接続されており、電力管理システムから送信されてきた標識記号を、映像を再生する標識記号として指定するようにしたので、例えば、故障が発生した場合の故障位置の路線映像を短時間で確認することができるため、故障の早期復旧が図れるという効果を得られる。   As described above, according to the invention of the present embodiment, the route video management apparatus is connected to the power management system that manages the railway substations provided along the route via the network. Since the sign symbol transmitted from is designated as the sign symbol for reproducing the video, for example, it is possible to confirm the route image of the failure position when a failure occurs in a short time. The effect of recovery can be obtained.

なお、上記の説明では、電柱番号を標識記号として認識するものとしたが、電柱番号以外でも、路線映像に対応して変化する標識記号であれば同様の効果を得ることができる。   In the above description, the utility pole number is recognized as a sign symbol. However, the same effect can be obtained as long as the sign symbol changes in accordance with the route image other than the utility pole number.

この発明を実施するための実施の形態１における路線映像管理装置を示すブロック図である。It is a block diagram which shows the route image management apparatus in Embodiment 1 for implementing this invention. 図１のブロック図の動作を示すフローチャートである。It is a flowchart which shows operation | movement of the block diagram of FIG. この発明を実施するための実施の形態２における路線映像管理装置の構成図である。It is a block diagram of the route image management apparatus in Embodiment 2 for implementing this invention.

符号の説明Explanation of symbols

１ 映像取得手段、２ 標識記号認識手段、３ 変化検知手段、
４ 時間記録手段、５ リスト作成手段、６ 路線映像管理装置、
７ 電力管理システム、８ ネットワーク、９ 故障位置情報。 1 video acquisition means, 2 sign symbol recognition means, 3 change detection means,
4 time recording means, 5 list creating means, 6 route video management device,
7 Power management system, 8 network, 9 fault location information.

Claims (4)

車両が走行する路線に沿って配置された複数の異なる標識記号と共に上記路線をデジタル化した映像を連続して取得する映像取得手段と、上記映像内の上記標識記号を認識する標識記号認識手段と、上記標識記号が変化したことを検知する変化検知手段と、上記映像の開始から変化した上記各標識記号までの時間を計測し、変化した上記標識記号と計測した時間とを対応付けして記録する時間記録手段と、上記映像の開始から所定の上記標識記号までの時間対応で所定の上記標識記号以降の上記映像を出力するために用いられる標識記号リストを作成するリスト作成手段とを備えたことを特徴とする路線映像管理装置。   Video acquisition means for continuously acquiring a digitized image of the route together with a plurality of different sign symbols arranged along the route on which the vehicle travels, and sign symbol recognition means for recognizing the sign symbol in the video , A change detection means for detecting that the sign symbol has changed, and a time from the start of the video to each sign symbol that has changed, and the changed sign symbol and the measured time are recorded in association with each other Time recording means, and list creation means for creating a sign symbol list used for outputting the video after the predetermined sign symbol in correspondence with the time from the start of the video to the predetermined sign symbol. A route image management device characterized by that. 請求項１に記載の路線映像管理装置において、上記標識記号は上記路線に沿って設置された電柱に付けられた電柱番号であることを特徴とする路線映像管理装置。   2. The route image management device according to claim 1, wherein the sign symbol is a utility pole number given to a utility pole installed along the route. 請求項１又は請求項２に記載の路線映像管理装置において、上記標識記号リスト中の所定の標識記号を指定することにより、指定した上記標識記号に対応する上記映像を再生することを特徴とする路線映像管理装置。   3. The route video management apparatus according to claim 1, wherein the video corresponding to the designated sign symbol is reproduced by designating a predetermined sign symbol in the sign symbol list. Route image management device. 請求項３に記載の路線映像管理装置において、上記路線映像管理装置は、上記路線に沿って設けられた鉄道変電所を管理する電力管理システムにネットワークを介して接続されており、上記電力管理システムから送信されてきた上記標識記号を、上記映像を再生する標識記号として指定するようにしたことを特徴とする路線映像管理装置。   4. The route video management apparatus according to claim 3, wherein the route video management device is connected to a power management system that manages a railway substation provided along the route via a network. A route image management apparatus characterized in that the sign symbol transmitted from is designated as a sign symbol for reproducing the image.
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