Ricoh Company, Ltd.

Haike Guan

Takashi Saitoh

Shin Aoki

Masaaki Ishikawa

Hiroshi Shimura

Koichi Ejiri

Taeko Ishizu

Takao Yamaguchi

Tao Li

Gang Wang

Yasushi Abe

Hiroyuki Yoshida

Zhongchao Shi

Shuichi Suzuki

Ryosuke Kasahara

Naoki Kikuchi

Hiroyoshi Sekiguchi

Mitsuru Nakajima

Soichiro Yokota

Takashi Maki

Cheng Du

Tomoaki Yano

Yuji Yamanaka

Takayuki Hara

Jun Yoshida

Hideaki Yamagata

Tadashi Araki

Akihiro Mihara

Satoshi Hikida

Hideomi Fujimoto

Norikatsu Niinami

Xun Yuan

Motohiro Kuroda

Tadashi Arakai

Ying-Jieh Huang

Liu Tong

Du Cheng

A state recognition apparatus includes circuitry configured to: recognize a monitoring target based on a captured image; recognize a motion of each part of the recognized monitoring target; recognize a state of the monitoring target based on the recognized motion of each part; and output a state recognition result indicating the recognized state of the monitoring target.

State recognition apparatus, state recognition method, and non-transitory computer-readable medium storing program

A behavior recognition apparatus, a behavior recognition method, and a recording medium storing a control program for performing the behavior recognition method, each of which: receives an input of a movie obtained by capturing images of a site; recognizes one or more element behaviors constituting a standard work of a worker included in the input movie; and determines a start time and a required time for the standard work from the recognized one or more element behaviors.

Behavior recognition apparatus, behavior recognition method, and recording medium

A distance measuring device includes a plurality of image taking parts, a first distance information acquisition part that acquires distance information of an object for distance measuring from taken images that are taken by the plurality of image taking parts, an electromagnetic wave emission part that emits an electromagnetic wave, a reflected-wave receiving part that receives a reflected wave of an electromagnetic wave emitted from the electromagnetic wave emission part, and a second distance information acquisition part that acquires distance information of the object for distance measuring from a reflected wave received by the reflected-wave receiving part, wherein irradiation with an electromagnetic wave emitted from the electromagnetic wave emission part is executed under optical axes of the plurality of image taking parts.

Distance measuring device and parallax calculation system

A driving determination device includes an acquirer configured to acquire at least a captured image of a driving body in a driving direction and information that changes with movement of the driving body; a driving level calculator configured to calculate a driving level for evaluating a driving method for the driving body for each predetermined determination item, using at least one of the acquired captured image and the acquired information that changes with the movement of the driving body; an itemized calculator configured to calculate values based on a plurality of the calculated driving levels for each determination item; and an evaluation result calculator configured to calculate a value for comprehensively evaluating the driving method for the driving body, using the values based on the driving levels for each determination item.

Driving determination device and detection device

A detection apparatus includes a camera, a recognizer, and a first detector. The camera is configured to acquire image data around a vehicle. The recognizer is configured to recognize an area indicating a light of a traffic signal from the image data. The first detector is configured to detect that the vehicle runs through the light when a size of the area indicating the light is larger than a first threshold, a distance between the area indicating the light and an end of the image data is shorter than a second threshold, and velocity data of the vehicle is higher than a third threshold.

Detection apparatus, detection method, and computer-readable recording medium

An information processing apparatus includes a correlation unit that correlates distance information indicating a distance to an emission position of electromagnetic waves emitted in a shooting direction of a plurality of image pickup units with a first pixel in a first image that constitutes images taken by the image pickup units, the distance information being obtained based on reflected waves of the electromagnetic waves and the first pixel corresponding to the emission position of the electromagnetic waves, and a generation unit that generates a parallax image by using the distance information correlated with the first pixel for parallax computation of pixels in a second image that constitutes the images.

Parallax operation system, information processing apparatus, information processing method, and recording medium

A detection device includes a camera, a recognition unit, and a detection unit. The camera acquires image data obtained by capturing surroundings of a vehicle. The recognition unit recognizes switching of signal indication of a traffic signal from the image data. The detection unit detects a dangerous driving degree indicating a degree of dangerous driving done by a driver of the vehicle based on acceleration data of the vehicle acquired after the signal indication is switched.

Detection device, detection system, and detection method

An image processing apparatus for processing images captured by an image capturing apparatus includes an image input unit to receive a plurality of image frames of a subject captured by the image capturing apparatus along the time line; a tracking area setting unit to set a target tracking area on the plurality of image frames; a tracking unit to track the target tracking area on the plurality image frames; a subject condition prediction unit to predict a condition of the subject at a time point delayed from a time point when the most recent image frame of the plurality of image frames is captured based on a tracking result of the target tracking area; and a parameter setting unit to set a parameter to be used for an image capturing of the subject based on the predicted condition of the subject to the image capturing apparatus.

Image processing apparatus, image capturing apparatus, and storage medium storing image processing program

A moving object recognizer includes an image input to receive stereo image signals from a stereo camera consecutively and output a stereo image, a brightness image generator to consecutively store frames of at least one of images of the output stereo image and generate a brightness image frame, a disparity image generator to calculate a disparity between the images of the stereo image output to the brightness image generator and generate a disparity image frame, an object recognizer to recognize an object at least from the brightness image frame, a tracking processor to track an object recognized at a certain time from an image frame through brightness image frames obtained from image frames subsequent to the image frame recognized at the certain time, and a change detector to detect a change in the state of the tracked object from the disparity image frame synchronized with the brightness image frame.

Moving object recognizer

An image capturing apparatus includes: an image input unit that inputs an image; a designating unit that receives designation of an initial tracking-target region that is a first region in a first image frame of time-series image frames input from the image input unit; a feature value extracting unit that extracts a predetermined feature value from a target region in the first image frame; a first search unit that searches for a second region obtained by changing a size of the first region and by determining whether the feature value extracted from the second region satisfies a predetermined condition for enabling successful tracking and sets the second region as a new initial tracking-target region; and a second search unit that searches for a region similar to the newly set initial tracking-target region as a tracking-result region in a second image frame subsequent to the first image frame.

Image capturing apparatus, image capturing method, and computer program product

A line recognition apparatus for recognizing a line on a surface over which a vehicle moves, using an image of an area ahead of the vehicle captured by an image capturing unit mounted on the vehicle, includes a dividing line setting unit to set a dividing line in the captured image area ahead of the vehicle to divide the captured image area into a first image area corresponding to a surface close to the vehicle and a second image area in the captured image area corresponding to a surface far from the vehicle; a straight line recognition unit to conduct a linear approximation to an image in the first image area to recognize a straight line; and a curved line recognition unit to conduct a curved line approximation to an image in the second image area to recognize a curved line.

Line recognition apparatus, line recognition method and line recognition program storage medium

An object detection apparatus, using at least one processing circuit, for detecting an object in an image capturing area based on parallax information generated from a plurality of images captured by a plurality of image capturing units, includes a parallax histogram information generator to generate vertical-direction parallax histogram information indicating a frequency profile of parallax values in each of vertical row areas in a captured image based on the parallax information; and an object image area extraction unit to extract, among parallax values having frequency exceeding a given frequency threshold, a group of pixels having parallax values existing within proximity of a given parallax value and having a pixel-to-pixel interval in an image left-to-right direction within a given range as an object image area displaying an object based on the vertical-direction parallax histogram information.

Object detection apparatus, vehicle-mounted device control system and storage medium of program of object detection

A target point arrival detector for detecting that a vehicle arrives at a target point based on an image ahead of the vehicle moving on a surface captured by an image capturing unit includes a target point arrival signal output unit, using a processing circuit, to output a signal indicating that the vehicle arrives at the target point where an inclination condition of a surface ahead of the vehicle with respect to a surface over which the vehicle moves changes to a downward based on the captured image.

Target point arrival detector, method of detecting target point arrival, storage medium of program of detecting target point arrival and vehicle-mounted device control system

An imaging device includes an imaging unit capturing an image of a subject, and tracks, through images captured in time series, an area in which a specific target appears. The device includes a parameter acquiring unit acquiring a photographic parameter from the imaging unit, a target area determining unit determining an area of a captured image including the specific target as a target area, a track area adjusting unit setting a track frame for a track area to track the target area including the specific target and adjusting a size of the track frame based on the photographic parameter, and a track area searching unit searching the captured image for the track area, while moving the size-adjusted track frame, based on a similarity between a characteristic amount of the track area of a current captured image and that of the target area of a previous captured image.

Imaging device including target tracking function

An imaging apparatus includes: a setting processor which sets an image area including a tracking shooting object image in a pan-blur shooting as a tracking object image as a tracking image area, with respect to a specific frame image; a searching processor, by respectively setting a scanning area for a plurality of frame images following the frame image used to set the tracking image area, and respectively moving the scanning area on each corresponding frame image of the frame images, and makes a comparison of a characteristic amount of an image between the tracking image area and the scanning area, which respectively obtains a scanning area where the characteristic amount of the image is similar to the image in the tracking image area as a tracking object existing area including the tracking object image, with respect to the frame images; a measuring processor, by dividing a difference between a coordinate of the tracking object existing area obtained with respect to one frame image of the frame images and that obtained with respect to a next one by a certain time interval, which measures a moving speed of the tracking object image on a monitor screen; and a displaying processor which displays a speed display mark corresponding to the moving speed of the tracking object image on the monitor screen.

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Kanagawa, Japan

Haike Guan