JP6072892B2 - 撮像装置及び車両制御装置 - Google Patents
撮像装置及び車両制御装置 Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 description 2
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T7/223—Analysis of motion using block-matching
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- G06T7/00—Image analysis
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- G06T7/55—Depth or shape recovery from multiple images
- G06T7/593—Depth or shape recovery from multiple images from stereo images
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
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- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
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- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/105—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8086—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for vehicle path indication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8093—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for obstacle warning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
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- Physics & Mathematics (AREA)
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- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
- Mechanical Engineering (AREA)
- Image Analysis (AREA)
- Transportation (AREA)
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- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Image Processing (AREA)
Description
Z = b f / δ (1)
図2は、本発明の第1の実施の形態におけるステレオカメラである撮像装置の距離測定方法のシステム全体の構成を示す。
dv=dx÷dv (2)
つまり、相対速度算出部211では、移動量を算出し、算出した移動量から相対速度を算出するものである。
相対速度=(Va×2+Vb)÷3 (3)
このように信頼度が高い相対速度に重みをおいて算出した場合、高い信頼度を出力する。
202 カメラ
203 カメラ制御部
207 相関値算出部
209 立体物検出部
210 領域分割部
211 相対速度算出部
212 信頼度算出部
Claims (6)
- 2つの撮像部を有する撮像装置において、
前記2つの撮像部で撮像された2つの画像から相関値演算を行う相関値算出部と、
前記2つの画像から立体物を検出する立体物検出部と、
前記立体物を含む画像領域を複数の領域に分割する領域分割部と、
前記複数の領域の領域毎に相対速度を算出する相対速度算出部と、
領域毎に算出された前記相対速度に基づいて立体物の信頼度を算出する信頼度算出部と、
前記立体物検出部にて検出された立体物を含む画像から特徴量を算出する特徴量算出部と、
記憶された過去の特徴量と算出された現在の特徴量との特徴量の一致度を算出する一致度算出部と、を有し、
前記相対速度算出部は、算出された前記一致度に基づいて相対速度を算出し、
前記相対速度算出部は、記憶された過去のフレームから最も特徴量の一致度が高いフレームを選択して、相対速度を算出する撮像装置。 - 請求項1記載の撮像装置において、
前記領域分割部は、前記立体物を含む画像領域を縦に2分割する撮像装置。 - 請求項2記載の撮像装置において、
前記領域分割部は、前記立体物検出部で検出された前記立体物が歩行者である場合、前記歩行者の肩の位置を基準に2分割する撮像装置。 - 請求項1記載の撮像装置において、
前記相関値算出部は、相関値演算した結果から視差画像を生成し、
前記立体物検出部は、前記視差画像を用いて立体物を検出する撮像装置。 - 請求項1記載の撮像装置において、
前記信頼度算出部は、領域毎に算出された相対速度の一致度に基づいて立体物が移動しているか否かの信頼度を算出する撮像装置。 - 請求項1記載の撮像装置において、
前記信頼度算出部は、前記特徴量の一致度に基づいて立体物の信頼度を算出する撮像装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013036563 | 2013-02-27 | ||
JP2013036563 | 2013-02-27 | ||
PCT/JP2014/052378 WO2014132748A1 (ja) | 2013-02-27 | 2014-02-03 | 撮像装置及び車両制御装置 |
Publications (2)
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JP6072892B2 true JP6072892B2 (ja) | 2017-02-01 |
JPWO2014132748A1 JPWO2014132748A1 (ja) | 2017-02-02 |
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JP2015502825A Active JP6072892B2 (ja) | 2013-02-27 | 2014-02-03 | 撮像装置及び車両制御装置 |
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Country | Link |
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US (1) | US10140717B2 (ja) |
EP (1) | EP2963615B1 (ja) |
JP (1) | JP6072892B2 (ja) |
WO (1) | WO2014132748A1 (ja) |
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EP3461127B1 (en) | 2016-05-17 | 2024-03-06 | FUJIFILM Corporation | Stereo camera and stereo camera control method |
US11062304B2 (en) | 2016-10-20 | 2021-07-13 | Google Llc | Offline user identification |
US10670680B2 (en) * | 2017-04-06 | 2020-06-02 | Case Western Reserve University | System and method for motion insensitive magnetic resonance fingerprinting |
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WO2018222232A1 (en) * | 2017-05-31 | 2018-12-06 | Google Llc | Providing hands-free data for interactions |
WO2020039838A1 (ja) * | 2018-08-22 | 2020-02-27 | 日立オートモティブシステムズ株式会社 | 画像処理装置および画像処理方法 |
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- 2014-02-03 WO PCT/JP2014/052378 patent/WO2014132748A1/ja active Application Filing
- 2014-02-03 JP JP2015502825A patent/JP6072892B2/ja active Active
- 2014-02-03 US US14/770,033 patent/US10140717B2/en active Active
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Also Published As
Publication number | Publication date |
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US20160005180A1 (en) | 2016-01-07 |
WO2014132748A1 (ja) | 2014-09-04 |
EP2963615A1 (en) | 2016-01-06 |
EP2963615A4 (en) | 2016-11-09 |
EP2963615B1 (en) | 2019-04-10 |
US10140717B2 (en) | 2018-11-27 |
JPWO2014132748A1 (ja) | 2017-02-02 |
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