Abstract: An image analysis device comprising: an input interface to acquire image data indicating an image of an operator performing task; and a controller to detect the task performed by the operator sequentially, based on the image data, to generate task detection information indicating a detection result of the task, wherein the task includes a plurality of processes performed by the operator, and the controller compensates the task detection information by interpolating a detection result of the task within an undetected period, in accordance with a pre process and/or a post process of the undetected period, the undetected period being a period in which the task is not detected, the pre process being a process of the task detected previously to the undetected period, and the post process being a process of the task detected subsequently to the undetected period.

Abstract: A trajectory analysis device extracting a trajectory of movement of a moving object by using results of detection by one or more sensors disposed in an environment where the moving object exists, is provided. The device includes a storage and a controller. The storage stores: partial trajectory data indicative of a plurality of partial trajectories extracted in advance from the results of detection; connection parameter information indicative of a connection condition for connecting the partial trajectories to each other; and partial area data defining each of a plurality of partial areas. The controller connects two partial trajectories each belonging to any of the plurality of partial areas, based on the connection parameter information, to extract a trajectory of the moving object for each of the partial areas. The connection parameter information is set for each of the partial areas.

Abstract: An image analysis device including: an input interface to acquire image data indicating a captured image of a site in which a plurality of operators performs a plurality of tasks; a controller to generate, based on the image data, task history information indicating the tasks performed in the site by respective operators; and a storage to store the task history information, the controller successively recognizes the tasks and positions of the operators, based on the image data at each time in the site; and detects crossing caused between a plurality of trajectories each including successive positions for each of the operators; generates the task history information associating tasks recognized at each time with the respective operators, based on the trajectories, when the crossing is not detected; and associates the recognized tasks with the respective operators, based on the recognized tasks and past task history information, when the crossing is detected.

Abstract: An information analysis device for displaying information on a moving object in plural areas corresponding to plural facilities, includes: a display configured to display information; an input interface configured to receive a user operation; a processor configured to control the display, based on the user operation received by the input interface; and a memory configured to store status information indicating a state where each facility in the plural facilities operates, and detection information indicating a detection result of the moving object in each area in the plural areas. The processor is configured to: receive, via the input interface, a status information operation designating information on a specific facility in the status information on the plural facilities; and limit information to be displayed among the status information on the plural facilities and the detection information on the plural areas, based on information on the facility designated by the status information operation.

Abstract: A work analysis device for generating information on a plurality of works performed by one or more workers in a workplace, the work analysis device comprising: a storage that stores map information indicating an area associated with each of the works in the workplace; an acquisition circuitry that acquires position information including positions of the workers at each time in the workplace: and a controller that performs arithmetic processing to discriminate the works of the workers at each time based on the position information and the map information, wherein the controller generates probability information indicating a probability that a work associated with an area including positions of the workers at each time in the map information is performed by the workers based on the position information, and adjusts the probability information according to work tendency information indicating a tendency for the workers to perform the works in the workplace.

Abstract: A visible light communication method transmits a signal by visible light communication. The visible light communication method includes modulating the signal into a predetermined blinking pattern, and transmitting the signal by causing visible light to blink according to the predetermined blinking pattern, from a projector disposed in an indoor space surrounded by a wall toward the wall. The visible light communication method also includes projecting video from the projector toward the wall, wherein the visible light is reflected by the wall to prevent the signal from being received in an outside of the indoor space, and the signal is used to transmit data related to the video projected to a terminal in the indoor space.

Abstract: A visible light communication method transmits a signal by visible light communication. The visible light communication method includes modulating the signal into a predetermined blinking pattern, and transmitting the signal by causing visible light to blink according to the predetermined blinking pattern, from a projector disposed in an indoor space surrounded by a wall toward the wall. The visible light communication method also includes projecting video from the projector toward the wall, wherein the visible light is reflected by the wall to prevent the signal from being received in an outside of the indoor space, and the signal is used to transmit data related to the video projected to a plurality of terminals in the indoor space.

Abstract: A visible light communication method transmits a signal by visible light communication. The visible light communication method includes modulating the signal into a predetermined blinking pattern, and transmitting the signal by causing visible light to blink according to the predetermined blinking pattern, from a projector disposed in an indoor space surrounded by a wall toward the wall. The visible light communication method also includes projecting video from the projector toward the wall, wherein the visible light is reflected by the wall to prevent the signal from being received in an outside of the indoor space, and the signal is used to transmit data related to the video projected to a plurality of terminals in the indoor space.

Abstract: A moving object detection system detecting moving objects based on a captured image comprising: cameras capturing images to generate image data; image recognition circuitries each performing image recognition on the image data generated by each camera to detect a moving object in a captured image indicated by the image data; and an information management apparatus managing image data supplied from each camera to a corresponding image recognition circuitry. The information management apparatus includes a communication interface performing data communication with the cameras and the image recognition circuitries, and a controller managing congestion information on the number of moving objects localized within a range of a captured image indicated by image data for each camera, and controlling the communication interface to supply the image data generated by the cameras to each image recognition circuitry, distributing the image data according to the congestion information.

Abstract: A position analysis device includes: an input interface that acquires the captured image obtained by the camera; a processor that calculates coordinate transformation from a first coordinate system to a second coordinate system with respect to the target position in the acquired captured image; and a memory that stores a correction model to generate a correction amount of a position in the second coordinate system, wherein the processor corrects a transformed position from the target position, based on the correction model including weight functions corresponding to reference positions, the transformed position being a position obtained by the coordinate transformation on the target position in the first coordinate system to the second coordinate system, the weight functions each producing a larger weighting in the correction amount as the transformed position is closer to a corresponding reference position, the reference positions being different from each other in the second coordinate system.

Abstract: A method includes setting an exposure time of an image sensor included in a terminal device so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to each of a plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, by capturing the subject that changes in luminance by the image sensor with the set exposure time. The method further includes estimating a plurality of center areas each of which is in each of the plurality of bright lines, and obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of center areas.

Abstract: It selects learning data that is effective for learning a learning model. An identification information assignment device comprising: a processor; and memory, wherein, using the memory, the processor: acquiring a plurality of image data; selecting a part of the plurality of image data as learning data; assigning identification information to the selected image data by using a learning model which is recorded in the memory; and updating the learning model by using the selected image data to which the identification information is assigned, wherein identification information is assigned to a rest of the plurality of image data by using the updated learning model, the rest of the plurality of image data being different from the selected image data.

Abstract: A trajectory analysis device that displays relevant information on a trajectory of a moving object, comprising: a display interface to display the relevant information; a storage to store trajectory data indicating a plurality of trajectories and the relevant information; an input interface to receive input by a user operation; and a controller to control the display interface based on the relevant information and the user operation input on the input interface, wherein the controller causes the display interface to display one or more staying locations where trajectories stay, based on the trajectory data, receives an input result by a user operation selecting at least one of the staying locations, receives an input result by a user operation designating a designated location different from the selected staying location, and extracts the relevant information to be displayed on the display interface, based on the selected staying location and the designated location.

Abstract: A quality estimation device for generating information on quality with which a plurality of unit products are obtained by using a plurality of facilities to pass at least one step, includes: a memory that stores quality control data associating the facilities passed for each of the unit products in the step when the unit products are obtained, with quality for the obtained unit products; and a circuit that controls calculation processing based on the quality control data stored in the memory. The circuit extracts a plurality of pass records from the quality control data, the plurality of pass records each indicating a series of facilities passed by a unit product in the plurality of unit products and quality for the unit product, and generates facility quality information indicating quality with respect to a facility in the plurality of facilities by the calculation processing, based on the extracted pass records.

Abstract: A method includes setting an exposure time of an image sensor included in a terminal device so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to each of a plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, by capturing the subject that changes in luminance by the image sensor with the set exposure time. The method further includes estimating a plurality of center areas each of which is in each of the plurality of bright lines, and obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of center areas.

Abstract: A layout design device that designs a new layout obtained by changing an existing layout related to arrangement of a facility in a certain space, the layout design device including: a generator that generates a new layout according to stay data related to a stay specified from flow line data representing a motion of a target in a case of a existing layout in a space; and an output processor that outputs the new layout generated by the generator, wherein the generator generates the stay data by extracting a stay portion where the target stays from the flow line data, and generates the new layout by using auxiliary information that associates the facility arranged in the space with the stay portion and the stay data.

Abstract: It reduces labor and time to generate training data for the training model. An identification information assignment apparatus includes an acquirer configured to acquire a plurality of pieces of image data, an assigner configured to assign identification information to image data selected from the plurality of pieces of image data by using a learning model after learning, and an updater configured to update the learned model using the image data to which the identification information is assigned, wherein the assigner assigns identification information to a rest of the image data acquired by the acquirer using the learned model that has been updated.

Abstract: A method evaluating a decrease in production performance for a target work. A work efficiency evaluation method includes the steps of: reading, from a storage, model data used for evaluating work efficiency and generated based on operation data related to work including a predetermined work time and a predetermined work amount; calculating an degree of impact of a decrease in work efficiency on the basis of data related to time required for work and a work amount by the model data; and evaluating a decrease in production performance in accordance with the degree of impact.

Abstract: A method includes determining a pattern of a change in luminance, by demodulating an identification information to be transmitted with a ceiling light, and transmitting the identification information, by the ceiling light changing in luminance according to the determined pattern of the change in luminance. Additionally, in the determining, a first luminance change pattern, corresponding to a first body, and a second luminance change pattern, corresponding to a first header used for the first body, are determined. Furthermore, in the transmitting, the first header and the first body are transmitted by the ceiling light changing in luminance according to the first luminance change pattern, the second luminance change pattern, and the first luminance change pattern in the stated order.

Abstract: A method includes determining a pattern of a change in luminance, by demodulating an identification information to be transmitted with a ceiling light, and transmitting the identification information, by the ceiling light changing in luminance according to the determined pattern of the change in luminance. Additionally, in the determining, a first luminance change pattern, corresponding to a first body, and a second luminance change pattern, corresponding to a first header used for the first body, are determined. Furthermore, in the transmitting, the first header and the first body are transmitted by the ceiling light changing in luminance according to the first luminance change pattern, the second luminance change pattern, and the first luminance change pattern in the stated order.