JP6714513B2 - 車両のナビゲーションモジュールに対象物の存在を知らせる車載装置 - Google Patents
車両のナビゲーションモジュールに対象物の存在を知らせる車載装置 Download PDFInfo
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Description
車両に対する前記対象物の第1の取得位置および第1の取得速度を含む、第1のセンサデータを生成する第1のセンサと、
車両に対する前記対象物の第2の取得位置および第2の取得速度を含む第2のセンサデータを生成する少なくとも1つの第2のセンサと、
前記第1の取得位置および第1の取得速度からの第1の同期位置、ならびに前記第2の取得位置および第2の取得速度からの少なくとも1つの第2の同期位置を含む同期データを生成する同期モジュールと、
前記第1の同期位置および前記第2の同期位置に係る組合せ位置を含む組合せデータを生成して、組合せデータの全部または一部をナビゲーションモジュールに伝達することによって前記少なくとも1つの対象物の存在を前記ナビゲーションモジュールに知らせるために、組合せ(merge)モジュールと
を備えることを特徴とする。
xs:=x+VxΔt
ys:y+VyΔt
サブモジュール25の出力における属性のサブリストでは、遅延Δtの間、対象物Okの速度を一定と見なせる程度まで、対象物Okの速度がその座標Vx、Vyによって定量化され続けてもよい。すると、モジュール20によって生成されるデータは、全てのセンサに対して同期している。
独立した確率変数Xs、Ysを考慮すると、共分散行列Σskも次式F2で記述できることを思い出されたい。
上式で、σxsおよびσysはそれぞれ、インスタンスxs、ysを中心とする、ランダム変数Xsの標準偏差およびランダム変数Ysの標準偏差をそれぞれ指定する。
それぞれ、δxs≒N(0,σ2 xs)、δys≒N(0,σ2 ys)
ステップ321では、サブモジュール32は、対象物Ofjに関連する第1のサブリストにそれ自体を配置することによって開始する。ここでリストLfにおいてj=1である。
上式で、σxfおよびσyfはそれぞれ、インスタンスxf、yfを中心とする、ランダム変数Xfの標準偏差および変数Yfの標準偏差をそれぞれ指定する。
組合せ判定基準が満たされる場合、特に、マハラノビス距離がハッシュ閾値よりも小さい場合、サブモジュール32は、対象物Oskを対象物Ofjと組合せ(ψ)して以下のようにして算出された新規の属性値を得ることによって、また特にベイズの公式を位置座標に適用することによって、対象物Ofjを修正するステップ324を実行する。
修正された組合せ済みの対象物Ofjのその他の属性は、適切な標準偏差を用いて、または他の何らかの方式でベイズの公式を適用することによって、再度資格を与えることができる。
Claims (6)
- 少なくとも1つの対象物(13、14、15)の存在を車両(12)のナビゲーションモジュール(60)にリアルタイムで知らせる装置であって、
前記車両(12)に対する前記対象物の第1の取得位置および第1の取得速度を含む、第1のセンサデータを生成する第1のセンサ(1)と、
前記車両(12)に対する前記対象物の第2の取得位置および第2の取得速度を含む第2のセンサデータを生成する少なくとも1つの第2のセンサ(2、3)と、
前記第1の取得位置および第1の取得速度からの第1の同期位置、ならびに前記第2の取得位置および第2の取得速度からの少なくとも1つの第2の同期位置を含む同期データを生成する同期モジュール(20)と、
前記第1の同期位置および前記第2の同期位置からの組合せ位置を含む組合せデータを生成して、前記組合せデータの全部または一部をナビゲーションモジュール(60)に伝達することによって前記少なくとも1つの対象物(13、14、15)の存在を前記ナビゲーションモジュール(60)に知らせ、および、前記車両と前記対象物の間の距離に関する距離スコア、前記車両と前記対象物の間の角度に関する角度スコア、前記車両に対する前記対象物の動きの速度に関する速度スコア、および前記対象物のタイプごとに異なるスコアが割り当てられた対象物のタイプに基づく対象物スコアに基づいた、前記対象物に関するリスク指標を決定するための組合せモジュール(30)と
を備え、
前記組合せモジュール(30)が、存在が通知される対象物(13、14、15)毎の前記リスク指標と合わせて前記組合せデータを完成することを特徴とする装置。 - 前記組合せモジュール(30)が、組合せデータからスコアを算出するための1組のスコア算出ブロック(133、233、333、433)と、前記1組のスコア算出ブロックのいくつかまたはその全てによって算出されるスコアを組合せて、スコアを組合せすることによって対象物毎の前記リスク指標を生成するための1つの組合せブロック(533)を使用することを特徴とする、請求項1に記載の装置。
- 前記1組のスコア算出ブロック(133、233、333、433)が、前記距離スコアを計算する距離スコア算出ブロック(133)、前記角度スコアを計算する角度スコア算出ブロック(233)、前記速度スコアを計算する速度スコア算出ブロック(333)、および前記対象物スコアを計算する対象物タイプスコア算出ブロック(433)を含むことを特徴とする、請求項2に記載の装置。
- 前記1組のスコア算出ブロック(133、233、333、433)が、地図データを使用して、前記距離スコア、前記角度スコア、および前記速度スコアを算出することを特徴とする、請求項2または3に記載の装置。
- 同期モジュール(20)によって生成される同期データがさらに、各同期位置に関連する位置分散を含み、
組合せモジュール(30)は、前記第1の同期位置および前記第2の同期位置の間のマハラノビス距離が所定の閾値を下回るときに、前記組合せデータを前記ナビゲーションモジュール(60)に伝達することによって同じ対象物の存在を前記ナビゲーションモジュール(60)に知らせるよう、前記第1の同期位置および前記第2の同期位置からの組合せ位置を含む前記組合せデータを生成し、前記マハラノビス距離が前記所定の閾値を上回るときに、2つの互いに異なる対象物の存在を前記ナビゲーションモジュール(60)に知らせるよう、前記第1の同期位置および前記第2の同期位置からの組合せ位置を含む組合せデータを生成しないように構成されることを特徴とする、請求項1から4のいずれか一項に記載の装置。 - 請求項1から5のいずれか一項に記載の装置を備えることを特徴とする車両(12)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1453910A FR3020616B1 (fr) | 2014-04-30 | 2014-04-30 | Dispositif de signalisation d'objets a un module de navigation de vehicule equipe de ce dispositif |
FR1453910 | 2014-04-30 | ||
PCT/FR2015/050939 WO2015166156A1 (fr) | 2014-04-30 | 2015-04-09 | Dispositif de signalisation d'objets a un module de navigation de vehicule equipe de ce dispositif |
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JP6714513B2 true JP6714513B2 (ja) | 2020-06-24 |
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US (1) | US10035508B2 (ja) |
EP (1) | EP3137355B1 (ja) |
JP (1) | JP6714513B2 (ja) |
CN (1) | CN106255899B (ja) |
FR (1) | FR3020616B1 (ja) |
WO (1) | WO2015166156A1 (ja) |
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JP2017521745A (ja) | 2017-08-03 |
FR3020616A1 (fr) | 2015-11-06 |
WO2015166156A1 (fr) | 2015-11-05 |
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US10035508B2 (en) | 2018-07-31 |
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