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公开(公告)号：US11891081B2
公开(公告)日：2024-02-06
申请号：US17388978
申请日：2021-07-29
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto
CPC classification number: B60W50/14 , B60W30/09 , B60W40/09 , B60W2050/143
Abstract: In a warning apparatus, a restriction unit performs restriction of the issuance of a warning about a ghost from an issuing unit. A trajectory calculator calculates an estimated trajectory of each of first and second target objects. A cancelling unit cancels the restriction of the issuance of the warning about the ghost from the issuing unit upon determination that a predetermined cancelation condition is satisfied for the first and second target objects. The cancelation condition includes a condition that a passing distance between the first and second target objects is larger than a predetermined distance threshold.
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公开(公告)号：US20160018219A1
公开(公告)日：2016-01-21
申请号：US14772691
申请日：2014-03-04
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto , Koichiro Suzuki
CPC classification number: G01B21/16 , G01S11/02 , G01S13/347 , G01S13/38 , G01S13/42 , G01S13/584 , G01S13/726
Abstract: An estimation apparatus includes a distance estimator. The distance estimator performs regression analysis using, as samples, an observation of distance and an observation at each time within a predetermined period obtained by an observer. The estimation apparatus estimates that a value of the distance upon a value of a displacement calculated in accordance with a regression equation based on the regression analysis being zero shows a value of the distance to the forward object at a start time.
Abstract translation: 估计装置包括距离估计器。 距离估计器使用由观察者获得的预定时间段内的每个时间的距离观察和观察来进行回归分析。 估计装置估计根据回归分析为回归分析计算出的位移值的距离值为零，表示在开始时间到正向物体的距离的值。
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Patent Agency Ranking
公开(公告)号：US11014518B2
公开(公告)日：2021-05-25
申请号：US16098669
申请日：2017-05-02
Applicant: SOKEN, INC. , DENSO CORPORATION
Inventor： Yusuke Akamine , Mitsuyasu Matsuura , Mai Sakamoto
Abstract: An estimation device includes an information acquisition unit, a detection determination unit, a direction determination unit, and a direction estimation unit. When an object is a first-time detected object, the direction determination unit determines whether a relative direction acquired by the information acquisition unit is a direction toward an own vehicle. When the relative direction acquired by the information acquisition unit is a direction toward the own vehicle, the direction estimation unit estimates that a direction predetermined according to an object position acquired by the information acquisition unit is the movement direction of the object.
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公开(公告)号：US10353063B2
公开(公告)日：2019-07-16
申请号：US15318192
申请日：2015-05-26
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto , Koichiro Suzuki
IPC: G01S13/34 , G01S13/38 , G01S13/58 , G01S13/93 , G01S13/95 , G01S7/41 , G01S7/35 , G01S7/40 , G01S13/536 , G01S13/72
Abstract: A radar apparatus includes a targeting unit that irradiates a radar wave and recognizes a detection subject using a reflected wave thereof. The targeting unit extracts, as a target, a peak that is confirmed to have historical connection over measurement cycles equal to or more than a predetermined targeting threshold, from peaks extracted from a power spectrum generated by frequency analysis. A rainy-weather determining unit determines that weather is rainy when a number of erroneous detections is greater than a predetermined rainy-weather determination threshold. The number of erroneous detections is a number of peaks that have been detected in a previous measurement cycle or earlier by the targeting unit and are not confirmed to have historical connection to a peak detected in a current measurement cycle. A parameter updating unit updates the targeting threshold so as to be a larger value as the number of erroneous detections increases when the rainy-weather determining unit determines that the weather is rainy.
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公开(公告)号：US11837095B2
公开(公告)日：2023-12-05
申请号：US17477276
申请日：2021-09-16
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto , Hiroki Hori
IPC: G08G1/01 , B60Q9/00 , G01S13/931 , G08G1/16
CPC classification number: G08G1/16 , B60Q9/008 , G01S13/931 , G01S2013/9315 , G01S2013/93272
Abstract: The alarm device includes an acquisition part, an alarm judging part, a notification part, a static extraction part, a shielding boundary setting part, and a suppression part. The acquisition part acquires reflection point information and object information. The alarm judging part determines whether the object is an alarm candidate for each of the objects. The notification part issues a notification regarding the alarm candidates. The static extraction part extracts static reflection points. The shielding boundary setting part sets an approximate straight line as a shielding boundary by robust estimation. The suppression part suppresses notification of alarm candidates that are on the opposite side of the shielding boundary.
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公开(公告)号：US10077979B2
公开(公告)日：2018-09-18
申请号：US14772691
申请日：2014-03-04
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto , Koichiro Suzuki
CPC classification number: G01B21/16 , G01S11/02 , G01S13/347 , G01S13/38 , G01S13/42 , G01S13/584 , G01S13/726
Abstract: An estimation apparatus includes a distance estimator. The distance estimator performs regression analysis using, as samples, an observation of distance and an observation at each time within a predetermined period obtained by an observer. The estimation apparatus estimates that a value of the distance upon a value of a displacement calculated in accordance with a regression equation based on the regression analysis being zero shows a value of the distance to the forward object at a start time.
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公开(公告)号：US20170102459A1
公开(公告)日：2017-04-13
申请号：US15318192
申请日：2015-05-26
Applicant: DENSO CORPORATION
Inventor： Mai Sakamoto , Koichiro Suzuki
CPC classification number: G01S13/584 , G01S7/354 , G01S7/40 , G01S7/415 , G01S13/347 , G01S13/38 , G01S13/536 , G01S13/726 , G01S13/931 , G01S13/951 , G01S2007/4039 , G01S2013/9353
Abstract: A radar apparatus includes a targeting unit that irradiates a radar wave and recognizes a detection subject using a reflected wave thereof. The targeting unit extracts, as a target, a peak that is confirmed to have historical connection over measurement cycles equal to or more than a predetermined targeting threshold, from peaks extracted from a power spectrum generated by frequency analysis. A rainy-weather determining unit determines that weather is rainy when a number of erroneous detections is greater than a predetermined rainy-weather determination threshold. The number of erroneous detections is a number of peaks that have been detected in a previous measurement cycle or earlier by the targeting unit and are not confirmed to have historical connection to a peak detected in a current measurement cycle. A parameter updating unit updates the targeting threshold so as to be a larger value as the number of erroneous detections increases when the rainy-weather determining unit determines that the weather is rainy.
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