Aisin Seiki Kabushiki Kaisha

Aisin Corporation

Yoshiaki Tomatsu

Hiroyuki Fujii

Isao Honda

Yusuke Takahashi

Takahiro Izuno

Godai Tanaka

Takayuki Nakagome

Tomomi Tomizawa

Muneto Inayoshi

Shintaro Nakaya

Ryohei Fuwa

Kazumichi Hara

Takahisa Hayakawa

Noriyuki Nishizawa

Hirotaka Watanabe

An image analysis apparatus includes a person information acquisition unit configured to analyze a captured image of a monitored space imaged by a camera so as to acquire information of a person imaged in the captured image, and a hidden state detection unit configured to detect occurrence of a hidden state in which a plurality of the persons are imaged to overlap in the captured image.

Image analysis apparatus and monitoring system

A body information acquisition device includes: a skeleton point detection unit configured to detect a skeleton point of a person included in a captured image; a body information acquisition unit configured to acquire body information of the person based on detection of the skeleton point; and an imaging state determination unit configured to determine whether an imaging state of the person reflected in the captured image corresponds to a specific imaging state specified based on a predetermined evaluation index value, in which the body information acquisition unit does not acquire the body information based on the detection of the skeleton point when the imaging state corresponds to the specific imaging state.

Body information acquisition device

A physique estimation device includes: a camera capturing an image of an inside of a vehicle; a skeleton point coordinate acquisition unit acquiring positions of skeleton points of a body image of an occupant included in a captured image of the inside as skeleton point coordinates in a two-dimensional coordinate system of the captured image; a front coordinate estimation unit machine learned such that, by receiving a distance between preset skeleton points and an angle of a skeleton line obtained by connecting the skeleton points with respect to a reference line, a front coordinate that is an arrangement of the skeleton points when the occupant is viewed from front is estimated and output; and a physique determination unit determining a physique of the occupant based on the front coordinate.

Physique estimation device and posture estimation device

A seat load detection method includes a process in which a control unit records a transition of a load detection signal and a transition of a seat load, a process in which the control unit specifies a timing when a load sensor detects a collision of a vehicle based on a transition record of the load detection signal, and a process in which the control unit calculates a correction value of the seat load based on a difference value between a stable seat load provided after the control unit detects the collision of the vehicle and a stable seat load provided before the load sensor detects the collision of the vehicle.

Seat load detection method and seat load detection apparatus

An indoor monitoring device includes: an image obtainment unit obtaining a captured image obtained by imaging an inside of a cabin of a vehicle by an imaging unit; and a position detection unit determining whether or not an occupant's head is present in the captured image, detecting a size of the head, a head position of the head, and a key point position of a key point other than the head of the occupant in the captured image in a case where the head is present in the captured image, and detecting a seating position of the occupant in the cabin based on the size of the head, the head position, and the key point position.

Indoor monitoring device

An occupant discrimination system of a vehicle seat includes a load detecting portion disposed on a lower side of a seat and detecting a load acting on the seat; an occupant discrimination portion discriminating a state of an occupant among a no occupant state, adult seated state, and child seat fixed states based at least on a load detected from the load detecting portion and a load continuation duration.

Occupant discrimination system of vehicle seat

A seat occupancy determination apparatus includes a seatbelt attachment detection device, a first load detection device and a second load detection device arranged under a vehicle seat and each detecting part of a load acting on the vehicle seat, a control processor obtaining a first load value and a second load value, the control processor including a sum load value calculation portion computing a sum load value, a no-occupancy determination portion, a slope way determination portion determining that a vehicle is stopped on a slope way, a seatbelt attachment determination portion, a tentative determination portion tentatively making a seat occupancy determination, a forward movement determination portion determining that the vehicle starts moving forward and runs steadily on a flat ground, and a definite determination portion determining that an adult is seated and determining that a child safety seat is fastened.

Seat occupancy determination apparatus

A seat passenger determination apparatus includes: a first determination processing unit configured to determine a passenger is not seated on a vehicle seat by having gotten out of the vehicle and transfer the mode to a not-seated recognition mode when a load variation width detected by a load detection apparatus falls within a first threshold value in a state in which a non-fastened state of a seatbelt is detected; and a second determination processing unit configured to determine the passenger is not seated on the vehicle seat by having gotten out of the vehicle and transfer the mode to the not-seated recognition mode when the load variation width detected by the load detection apparatus falls within a second threshold value which is larger than the first threshold value during a predetermined time when the fact that the seatbelt has changed from the fastened state to the non-fastened state is detected.

Seat occupant determining apparatus

A seat occupancy determination device configured to be provided at one of seating portions of a plural vehicle seats includes a pair of seat occupancy amount detection devices detecting a seat occupancy amount increasing and decreasing in response to a change of a load applied to each portion of the seating portion, a seat occupancy state determination device determining a seat occupancy state of the vehicle seat, an unbalanced load detection device detecting a degree of unbalance of the load applied to a right portion and a left portion of the seating portion, and a seat occupancy threshold value setting device setting a seat occupancy threshold value and correcting the seat occupancy threshold value in response to the degree of unbalance of the load applied to the right portion and the left portion of the seating portion based on a detected signal transmitted from the unbalanced load detection device.

Seat occupancy determination device and seat occupancy determination method

A seat apparatus for a vehicle includes a load detection device placed at a front and a rear of one of a right-left pair of the attachment members so as to be spaced apart from each other, the load detection device measuring a load applied to a seat to distinguish an existence of a passenger and a type of a passenger, a detection influence determination device determining an existence of an influence on a passenger determination performance of the load detection device in a case where a collision load value detected by the load detection device in the case of a collision of the vehicle corresponds to a detected value between a preset first collision load value and a preset second collision load value, and a collision influence alert device outputting an alert in a case where the detection influence determination device determines that the passenger determination performance is influenced.

Seat apparatus for vehicle

A seat passenger determination apparatus includes: a door closing timing detector configured to detect door closing timing after having gotten out of the vehicle directly or indirectly; a counter unit configured to start counting when the load detected by the load detector falls within a threshold value and reset the count when the load is deviated from the threshold value; a determination processing unit configured to determine that no passenger is seated on the vehicle seat because the passenger has gotten out, and transfer the mode to the not-seated recognition mode when the state in which the load within the predetermined threshold value continues for a predetermined time is detected by the counter unit; and a count restricting unit configured to stop the counting process performed by the counter unit temporarily when the door-closed state is detected by the door closing timing detector during the determination by the determination processing unit.

Seat passenger determination apparatus

A seat load detection apparatus includes: a load detector detecting part of a load acting on a vehicle seat which is capable of changing the posture of a seatback forward from the first stage position as a most upright position of a seatable position to the forwardly inclined position which is a forwardly inclined position on which the passenger cannot be seated; a load body determination unit determining a load body acting on the vehicle seat on the basis of a detected load detected by the load detector; a seat posture detector detecting the forwardly inclined position of the seatback; and a state determination unit determining the state change of the vehicle seat on the basis of the variation of the detected load and restrict the determination of the state change of the vehicle seat on the basis of an output from the seat posture detector.

Seat load detection device

In a seatbelt warning apparatus, a control unit performs a transition process configured to transfer the mode to a baggage recognition mode on the condition that a load detection unit detects a load larger than a first load and smaller than a second load continuously for a preset time in the not-seated recognition mode, and to the not-seated recognition mode on the condition that the load detection unit detects a load smaller than a predetermined load continuously for a preset time in the baggage recognition mode, and a transfer time trequired to transferring to the baggage recognition mode in the transition process is set to be shorter than a time T required for increasing the load from the first load to the second load by the vehicle acceleration characteristics.

Seat belt warning device

A seating determination apparatus includes a transition processing unitconfigured to make a transition of the state between a first seating determination state in which an airbag apparatus is brought into an operation-permitted state and the second seating determination state in which the airbag apparatus is in the operation-prohibited state when a transition condition on the basis of a magnitude relationship between a seat load and a preset threshold value is satisfied, and configured to prohibit the transition of the state between the first seating determination state and the second eating determination state when the direction of variation of the seat load is determined to have inverted before a predetermined time set in advance has elapsed from a time point when the transition condition is satisfied.

Apparatus for determining a seat occupancy

A seat apparatus for a vehicle includes a slide rail arranged slidably relative to a vehicle floor in a longitudinal direction, a bracket including a first end portion fixed to the slide rail, a second end portion, and a connecting portion connecting the first end portion to the second end portion, a vehicle seat supported by the bracket, and a load detection device arranged between the slide rail and the second end portion of the bracket and detecting a load applied to the vehicle seat, wherein rigidity of the connecting portion of the bracket in a vertical direction of the vehicle is set to be lower than rigidities of the first end portion and the second end portion of the bracket in the vertical direction.

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Kariya, Japan

Yoshiaki Tomatsu