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公开(公告)号：US11704911B2
公开(公告)日：2023-07-18
申请号：US17068236
申请日：2020-10-12
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Takuya Miwa , Takayuki Hiromitsu , Masumi Fukuman , Akihiro Kida
CPC classification number: G06V20/58 , G06F18/2113 , G06F18/24 , G06V10/751 , G06V10/76 , G06V30/2504
Abstract: In an apparatus for identifying an obstacle around a vehicle, an acquirer is configured to acquire an image captured by a camera mounted to the vehicle. An extractor is configured to extract feature points of the image. A generator is configured to generate an optical flow that is a movement vector from each of the feature points of the image acquired before the current time to a corresponding feature point of the image acquired at the current time. A classifier configured to classify the optical flows into groups each corresponding to an object in the image based on pixel positions of the feature points. An identifier is configured to, for each of the groups that the optical flows are classified by the classifier into, identify whether an object corresponding to the group in the image is a stationary object or a moving object based on a degree of variability in lengths of the optical flows of the group.
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公开(公告)号：US20170299720A1
公开(公告)日：2017-10-19
申请号：US15515567
申请日：2015-10-21
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Mitsuyasu Matsuura , Tsuyoshi Ando , Takayuki Hiromitsu , Motonari Ohbayashi , Hironobu Ishijima
CPC classification number: G01S15/931 , B60R21/00 , B60R21/0134 , G01S7/003 , G01S7/536 , G01S15/08 , G01S15/10 , G01S15/87 , G08G1/04 , G08G1/166
Abstract: An obstacle detection apparatus includes: a transceiver transmitting a transmission wave and receiving an ultrasonic wave; a transmission controller; a receiver circuit detecting a signal level of a receiving wave; a distance calculator sequentially calculating a distance to an object reflecting the transmission wave; a memory storing the distance to the object; an obstacle determinator determining whether the object is an obstacle; and a reception level monitoring device monitoring the signal level of the receiving wave before the transmission wave being transmitted. When the signal level exceeds a predetermined threshold, the obstacle determinator sets a first number of determination data elements to an increased number of determinations for a predetermined period to be used for determining whether the object is the obstacle, as being larger than a second number of determination data elements used when the signal level does not exceed the predetermined threshold.
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公开(公告)号：US20150184824A1
公开(公告)日：2015-07-02
申请号：US14415080
申请日：2013-05-16
Applicant: DENSO CORPORATION
Inventor： Tadaaki Ishimaru , Takayuki Hiromitsu
CPC classification number: F21S45/47 , B60Q3/14 , G01D11/28 , G01D13/28 , H05K7/20009 , H05K7/20845
Abstract: A vehicular display apparatus includes: first illumination portions that illuminate first display areas from behind by luminescence of a plurality of first light sources; first cover portions that are placed behind the first display areas and internally expose the first light sources; a second illumination portion that illuminates a second display area from behind by luminescence of a plurality of second light sources; and a second cover portion that is placed behind the second display area and has an interior partitioned from the interiors of the adjoining first cover portions while internally exposing the second light sources. The first cover portions externally form an air passage for an air flow. The second cover portion has an air hole opened to communicate the interior of the second cover portion with the air passage external to the first cover portion.
Abstract translation: 一种车载显示装置，包括：第一照明部，其通过多个第一光源的发光从后方照射第一显示区域; 第一盖部分，其放置在第一显示区域的后面并且内部暴露第一光源; 第二照明部，其通过多个第二光源的发光从后方照射第二显示区域; 以及第二盖部分，其被放置在第二显示区域的后面，并且具有与相邻的第一盖部分的内部隔开的内部，同时内部暴露第二光源。 第一盖部分从外部形成用于空气流动的空气通道。 第二盖部具有开口的气孔，以使第二盖部的内部与第一盖部的外部的空气通路连通。
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公开(公告)号：US11417115B2
公开(公告)日：2022-08-16
申请号：US17069078
申请日：2020-10-13
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Koki Osada , Takayuki Hiromitsu , Tomoyuki Fujimoto , Takuya Miwa , Yutaka Hamamoto , Masumi Fukuman , Akihiro Kida , Kunihiro Sugihara
Abstract: An obstacle recognition device of a vehicle provided with a camera capturing an image around the vehicle, includes an acquiring unit sequentially acquiring the image captured by the camera; a feature point extracting unit extracting a plurality of feature points of an object included in the image; a calculation unit calculating each motion distance of the plurality of feature points between the image previously acquired and the image currently acquired by the acquiring unit; a first determination unit determining whether each motion distance of the feature points is larger than or equal to a first threshold; a second determination unit determining whether each motion distance of the feature points is larger than or equal to a second threshold; and an obstacle recognition unit recognizing an obstacle.
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公开(公告)号：US11100800B2
公开(公告)日：2021-08-24
申请号：US16461139
申请日：2017-10-30
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shinji Kitaura , Takayuki Hiromitsu , Akihiro Kida
IPC: G08G1/16
Abstract: A collision determination apparatus includes: an own vehicle route estimating unit that estimates a route of an own vehicle; a target object route estimating unit that estimates a route of a target object; and a collision determining unit that performs a collision determination regarding the own vehicle and the target object. When the own vehicle route estimating unit estimates the route of the own vehicle to be circular arc-shaped, the collision determining unit divides a circular arc indicating the route of the own vehicle into a plurality of circular arcs, approximates each of the divided circular arcs as a straight line by connecting an end point and an end point of each of the divided circular arcs, and performs the collision determination based on whether any of the approximated straight lines and the route of the target object intersect.
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Patent Agency Ranking
公开(公告)号：US10948592B2
公开(公告)日：2021-03-16
申请号：US15515557
申请日：2015-10-21
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Mitsuyasu Matsuura , Tsuyoshi Ando , Takayuki Hiromitsu , Motonari Ohbayashi , Hironobu Ishijima
IPC: G01S15/00 , G01S15/46 , G01S15/87 , G01S15/931 , G01S7/56
Abstract: An obstacle detection apparatus for vehicles includes: a first probe wave sensor detecting a direct wave distance as a distance to an obstacle by transmitting a probe wave and receiving a reflection wave of the probe wave reflected by the obstacle; a second probe wave sensor receiving the reflection wave to detect an indirect wave distance as a distance to the obstacle by receiving the reflection wave; an approach determinator determining whether the obstacle is present between the first probe wave sensor and the second probe wave sensor and whether the obstacle is approaching the vehicle; and a distance determinator determining an obstacle distance to be less than or equal to a predetermined distance range when the indirect wave distance falls out of the distance range as the obstacle is present between the first probe wave sensor and the second probe wave sensor and the obstacle is approaching the vehicle.
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公开(公告)号：US11460574B2
公开(公告)日：2022-10-04
申请号：US16461154
申请日：2017-10-30
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Takayuki Hiromitsu , Shinji Kitaura , Akihiro Kida
IPC: G01S13/931 , B60W30/095 , G01S7/41 , G01S13/50
Abstract: A collision determination apparatus includes an acquisition section, a filtering section, a target object information detection section, a target object path prediction section, an own vehicle path prediction section, a collision determination section, and a vehicle control section. The acquisition section (21) acquires detection information based on a reflected wave from a search device. The filtering section filters the detection information. The target object information detection section detects a position of a target object using the filtered detection information. The target object path prediction section predicts a path of the target object based on changes in the detected position of the target object. The own vehicle path prediction section predicts a path of an own vehicle. The collision determination section determines a risk of collision between the own vehicle and the target object. The vehicle control section executes a vehicle control. The path of the target object is predicted based on the detection information filtered by a collision determination filter. The path of the target object is predicted based on the detection information filtered by a vehicle control filter. The filtering process is a smoothing process that inhibits changes in the detection information. The vehicle control filter and the collision determination filter have different smoothing degree of inhibiting the changes in the detection information.
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公开(公告)号：US11340348B2
公开(公告)日：2022-05-24
申请号：US16461261
申请日：2017-10-30
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Takayuki Hiromitsu , Shinji Kitaura , Akihiro Kida
IPC: G01S13/931 , B60R21/00 , G01S13/93 , G01S13/66 , G08G1/16
Abstract: A collision determination apparatus includes an acquisition section, a setting section, a target object information detection section, a target object path prediction section, an own vehicle path prediction section, and a collision determination section. The acquisition section acquires detection information based on a reflected wave from a search device. The setting section sets filter characteristics of a filtering process used when the detection information is filtered. The target object information detection section detects a position of a target object using the filtered detection information. The target object path prediction section predicts a path of the target object based on changes in the position of the target object detected by the target object information detection section. The own vehicle path prediction section predicts a path of an own vehicle. The collision determination section makes a determination of a collision between the own vehicle and the target object. The setting section estimates a detectable time or a detectable distance in which the position of the target object can be detected in the path of the target object based on the position of the target object and the traveling condition of the own vehicle and sets the filter characteristics in accordance with the detectable time or the detectable distance that has been estimated.
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公开(公告)号：US10054683B2
公开(公告)日：2018-08-21
申请号：US15515567
申请日：2015-10-21
Applicant: DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Mitsuyasu Matsuura , Tsuyoshi Ando , Takayuki Hiromitsu , Motonari Ohbayashi , Hironobu Ishijima
CPC classification number: G01S15/931 , B60R21/00 , B60R21/0134 , G01S7/003 , G01S7/536 , G01S15/08 , G01S15/10 , G01S15/87 , G08G1/04 , G08G1/166
Abstract: An obstacle detection apparatus includes: a transceiver transmitting a transmission wave and receiving an ultrasonic wave; a transmission controller; a receiver circuit detecting a signal level of a receiving wave; a distance calculator sequentially calculating a distance to an object reflecting the transmission wave; a memory storing the distance to the object; an obstacle determinator determining whether the object is an obstacle; and a reception level monitoring device monitoring the signal level of the receiving wave before the transmission wave being transmitted. When the signal level exceeds a predetermined threshold, the obstacle determinator sets a first number of determination data elements to an increased number of determinations for a predetermined period to be used for determining whether the object is the obstacle, as being larger than a second number of determination data elements used when the signal level does not exceed the predetermined threshold.
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公开(公告)号：US09714750B2
公开(公告)日：2017-07-25
申请号：US14415080
申请日：2013-05-16
Applicant: DENSO CORPORATION
Inventor： Tadaaki Ishimaru , Takayuki Hiromitsu
CPC classification number: F21S45/47 , B60Q3/14 , G01D11/28 , G01D13/28 , H05K7/20009 , H05K7/20845
Abstract: A vehicular display apparatus includes: first illumination portions that illuminate first display areas from behind by luminescence of a plurality of first light sources; first cover portions that are placed behind the first display areas and internally expose the first light sources; a second illumination portion that illuminates a second display area from behind by luminescence of a plurality of second light sources; and a second cover portion that is placed behind the second display area and has an interior partitioned from the interiors of the adjoining first cover portions while internally exposing the second light sources. The first cover portions externally form an air passage for an air flow. The second cover portion has an air hole opened to communicate the interior of the second cover portion with the air passage external to the first cover portion.
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