JP7704874B2 - 自動車グレードのレーダ信号においてオブジェクトを検出するための方法 - Google Patents
自動車グレードのレーダ信号においてオブジェクトを検出するための方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W60/00—Drive control systems specially adapted for autonomous road vehicles
- B60W60/001—Planning or execution of driving tasks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
- G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/354—Extracting wanted echo-signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/414—Discriminating targets with respect to background clutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/408—Radar; Laser, e.g. lidar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2554/00—Input parameters relating to objects
- B60W2554/40—Dynamic objects, e.g. animals, windblown objects
- B60W2554/404—Characteristics
- B60W2554/4041—Position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2554/00—Input parameters relating to objects
- B60W2554/40—Dynamic objects, e.g. animals, windblown objects
- B60W2554/404—Characteristics
- B60W2554/4048—Field of view, e.g. obstructed view or direction of gaze
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2554/00—Input parameters relating to objects
- B60W2554/40—Dynamic objects, e.g. animals, windblown objects
- B60W2554/404—Characteristics
- B60W2554/4049—Relationship among other objects, e.g. converging dynamic objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/003—Bistatic radar systems; Multistatic radar systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4454—Monopulse radar, i.e. simultaneous lobing phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
- G01S13/72—Radar-tracking systems; Analogous systems for two-dimensional [2D] tracking, e.g. combination of angle and range tracking, track-while-scan radar
- G01S13/723—Radar-tracking systems; Analogous systems for two-dimensional [2D] tracking, e.g. combination of angle and range tracking, track-while-scan radar by using numerical data
- G01S13/726—Multiple target tracking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
- G01S7/356—Receivers involving particularities of FFT processing
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- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
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Description
本出願は、2021年1月29日に出願された米国仮特許出願第63/143,154号に対する優先権を主張し、その内容は参照により本明細書に組み込まれる。本出願は、2020年12月9日に出願された「METHOD, APPARATUS AND RADAR SYSTEMS FOR TRACKING OBJECTS」と題する米国仮特許出願第63/123,403号に関連しており、その全体が参照により本明細書に組み込まれる。
Claims (15)
- 視野内のオブジェクトから反射されたレーダ信号を収集するステップと、
前記視野内の3次元オブジェクトを表す範囲-角度-ドップラビンを形成するステップと、
前記範囲-角度-ドップラビンの選択された次元にわたる中央値演算であるローカル中央値演算を使用して、前記範囲-角度-ドップラビン内のバックグラウンドノイズを除去するステップと、
前記選択された次元における動径速度値を削除することによってバックグラウンドの低エネルギーピーク領域をマスキングして、前記3次元オブジェクトのグリッドよりもまばらな範囲-角度の2次元グリッドを形成するステップと
を含む、方法。 - 各ビンを中心とする領域でピークをスコアリングして偽のピークを除去する、前記範囲-角度-ドップラビンのピーク領域検証を利用する動作をさらに含む、請求項1に記載の方法。
- 前記まばらな範囲-角度の2次元グリッドの値を、双線形補間を用いてアップサンプリングするステップをさらに含む、請求項1に記載の方法。
- 前記選択された次元がドップラ次元である、請求項1に記載の方法。
- しきい値未満のデータを破棄するしきい値マスキングをさらに含む、請求項1に記載の方法。
- バックグラウンドモデルを推定するバックグラウンド推定をさらに含む、請求項1に記載の方法。
- 反射点検出の有無を抽出するために、前記視野内のオブジェクトから反射された前記レーダ信号が処理される、請求項1に記載の方法。
- 前記反射点検出に短期トラッキングルールを適用して、トラックレットを形成するステップであって、各トラックレットがいくつかのフレームにわたってトラッキングされる反射点検出に対応する、ステップをさらに含む、請求項7に記載の方法。
- トラックレットのクラスタにより長期のトラッキングルールを適用して、いくつかの反射点検出を有するオブジェクトをトラッキングするステップをさらに含む、請求項8に記載の方法。
- 前記トラックレットに誕生ルールを適用して、前記トラックレットの誕生を確立するステップであって、前記誕生ルールは、反射点がいくつかのフレームに存在することを含む、ステップをさらに含む、請求項9に記載の方法。
- 前記トラックレットに消滅ルールを適用して、前記トラックレットの消滅を確立するステップであって、前記消滅ルールは、連続するいくつかのフレームにおいて反射点の検出に失敗することを含む、ステップをさらに含む、請求項9に記載の方法。
- トラックレットのクラスタであるグループに誕生ルールを適用して、前記グループの誕生を確立するステップであって、前記誕生ルールは、反射点がいくつかのフレームに存在することを含む、ステップをさらに含む、請求項9に記載の方法。
- トラックレットのクラスタであるグループに消滅ルールを適用して、前記グループの消滅を確立するステップであって、前記消滅ルールは、連続するいくつかのフレームにおいて反射の検出に失敗することを含む、ステップをさらに含む、請求項9に記載の方法。
- 前記トラックレットにカルマンフィルタを適用するステップをさらに含む、請求項9に記載の方法。
- トラックレットのクラスタであるグループにカルマンフィルタを適用するステップをさらに含む、請求項9に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163143154P | 2021-01-29 | 2021-01-29 | |
| US63/143,154 | 2021-01-29 | ||
| PCT/US2022/014360 WO2022165211A1 (en) | 2021-01-29 | 2022-01-28 | Method for detecting objects in automotive-grade radar signals |
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| Publication Number | Publication Date |
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| JP2024505237A JP2024505237A (ja) | 2024-02-05 |
| JP7704874B2 true JP7704874B2 (ja) | 2025-07-08 |
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|---|---|
| US (2) | US12291229B2 (ja) |
| EP (1) | EP4285150A4 (ja) |
| JP (1) | JP7704874B2 (ja) |
| WO (1) | WO2022165211A1 (ja) |
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| JP7704874B2 (ja) | 2021-01-29 | 2025-07-08 | シメオ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 自動車グレードのレーダ信号においてオブジェクトを検出するための方法 |
| JP7818014B2 (ja) * | 2021-03-02 | 2026-02-19 | インディー・セミコンダクター・インコーポレイテッド | 自動車グレードのレーダ信号においてオブジェクトを分類するための方法 |
| US11906652B2 (en) * | 2021-03-16 | 2024-02-20 | Infineon Technologies Ag | Peak cell detection and interpolation |
| US20230375664A1 (en) * | 2022-05-19 | 2023-11-23 | Texas Instruments Incorporated | Adaptive radar clutter removal |
| TWI808874B (zh) * | 2022-08-19 | 2023-07-11 | 明泰科技股份有限公司 | 用於交通工具的雷達系統及偵測方法 |
| US12386038B2 (en) * | 2023-06-07 | 2025-08-12 | Aptiv Technologies AG | Radar system using a machine-learned model for identifying a number of objects |
| US12585011B2 (en) * | 2023-08-04 | 2026-03-24 | Nxp B.V. | Radar detection using prior tracked object information |
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| JP2000258528A (ja) | 1999-03-10 | 2000-09-22 | Mitsubishi Electric Corp | 信号処理方法及びその装置 |
| JP2002048866A (ja) | 2000-08-01 | 2002-02-15 | Mitsubishi Electric Corp | 乱気流検出装置及び乱気流検出方法 |
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| JP2004251774A (ja) | 2003-02-20 | 2004-09-09 | Mitsubishi Electric Corp | レーダ装置 |
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| WO2020006531A1 (en) | 2018-06-28 | 2020-01-02 | Upamanyu Madhow | Multimodal sensing, fusion for machine perception |
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| US20220242443A1 (en) | 2022-08-04 |
| US20250289468A1 (en) | 2025-09-18 |
| JP2024505237A (ja) | 2024-02-05 |
| WO2022165211A1 (en) | 2022-08-04 |
| US12291229B2 (en) | 2025-05-06 |
| EP4285150A4 (en) | 2024-12-11 |
| EP4285150A1 (en) | 2023-12-06 |
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