JP-2026074605-A - Analytical systems, analytical programs, and analytical methods

Abstract

[Problem] To provide an analysis system that can easily improve the accuracy of analysis of an analysis subject, regardless of the subject's physique. [Solution] An analysis system comprising: an image acquisition unit that acquires images of a predetermined monitoring area in which a person to be analyzed is located; a body size-related information acquisition unit that acquires body size-related information related to the physique of the person to be analyzed; an analysis target area determination unit that determines an analysis target area in the image according to the body size-related information; and an analysis unit that analyzes the person to be analyzed in the analysis target area. [Selection Diagram] Figure 16

Inventors

• 坂田 茉実
• 吉澤 将則
• 曾根 慎悟

Assignees

• コニカミノルタ株式会社

Dates

Publication Date

20260507

Application Date

20241021

Claims (18)

1. An image acquisition unit that acquires images of a designated monitoring area where the person being analyzed is located, A body-related information acquisition unit acquires body-related information related to the physique of the person being analyzed, An analysis target area determination unit determines an analysis target area in the image acquired by the image acquisition unit, according to the body size-related information acquired by the body size-related information acquisition unit, An analysis unit that analyzes the subjects of analysis in the area determined by the analysis area determination unit, An analytical system having the following features.
2. The analysis system according to claim 1, wherein the body size-related information acquisition unit acquires skeletal information as body size-related information based on the image acquired by the image acquisition unit.
3. The system further includes an existence determination unit that determines whether the person to be analyzed is present in the monitoring area based on the image acquired by the image acquisition unit, The analysis system according to claim 1, wherein the analysis unit performs an analysis on the person to be analyzed when the existence determination unit determines that the person to be analyzed exists.
4. The analysis system according to claim 1, wherein the analysis target area determination unit determines the analysis target area for each body part of the person being analyzed based on the body size-related information.
5. The analysis system according to claim 1, wherein the analysis target area determination unit determines the analysis target area by adjusting the size and position of the analysis target area relative to reference values for size and position of the analysis target area based on the body size-related information.
6. The analysis system according to claim 2, wherein the analysis target area determination unit determines the analysis target area based on the average or median value of multiple frames of the skeletal information of the person to be analyzed, which is obtained as body size-related information from the image acquired by the image acquisition unit.
7. The analysis system according to claim 5, wherein the analysis target area determination unit adjusts the reference value based on the user's instructions.
8. The system further includes an object detection unit that detects an object to be analyzed in the image acquired by the image acquisition unit, The analysis system according to claim 1, wherein, when the analysis unit detects the object to be analyzed within the analysis target area, it stores the information of the analysis target area, the information of the object to be analyzed, and a timestamp in a storage unit in association with each other.
9. The analysis system according to claim 8, wherein the analysis unit stores information about the object to be analyzed in the storage unit as relative coordinates with respect to the area to be analyzed.
10. The analysis system according to claim 8, wherein the object detection unit detects a plurality of the objects to be analyzed within the analysis target area.
11. The analysis unit determines whether the object to be analyzed was detected within the analysis area, The analysis system according to claim 8, further comprising a notification unit that issues a warning when the analysis unit determines that the object to be analyzed has been detected within the area to be analyzed.
12. The analysis system according to claim 8, wherein the analysis unit uses the data stored in the memory unit to calculate feature quantities for analyzing the actions of the person being analyzed for each area of the analysis target, and analyzes the actions of the person being analyzed based on the calculated feature quantities.
13. The information of the object to be analyzed is the coordinates of the object to be analyzed. The analysis system according to claim 12, wherein the feature quantity is the area of the convex hull of the coordinates of the object to be analyzed within the analysis area, the trajectory length of the coordinates of the object to be analyzed within the analysis area, or the time during which the coordinates of the object to be analyzed are contained within the analysis area, and is calculated for each analysis area.
14. The analysis system according to claim 13, wherein the analysis unit calculates the feature quantity by dividing the area of the convex hull of the coordinates of the object to be analyzed within the analysis area, the trajectory length of the coordinates of the object to be analyzed within the analysis area, or the time during which the coordinates of the object to be analyzed are contained within the analysis area, by the area of the analysis area.
15. The analysis system according to claim 12, further comprising a display unit that visually displays the aforementioned feature quantities for each area to be analyzed.
16. The analysis system according to claim 8, wherein the object to be analyzed is a cleaning roller.
17. Step (a) acquires an image of a designated monitoring area in which the person to be analyzed is located, (b) A step of obtaining body-related information related to the body size of the person being analyzed, Step (c) is to determine the area to be analyzed in the image obtained in step (a) according to the body size-related information obtained in step (b), An analysis program for causing a computer to perform a process comprising: step (d) analyzing the person to be analyzed in the area to be analyzed determined in step (c);
18. A method performed by an analysis system, Step (a) acquires an image of a designated monitoring area in which the person to be analyzed is located, (b) A step of obtaining body-related information related to the body size of the person being analyzed, Step (c) is to determine the area to be analyzed in the image obtained in step (a) according to the body size-related information obtained in step (b), An analysis method comprising step (d) of analyzing the person to be analyzed in the area to be analyzed determined in step (c).

Description

This invention relates to an analytical system, an analytical program, and an analytical method. In recent years, methods for analyzing human work movements using image analysis have been explored. The following prior art is disclosed in Patent Document 1 below: By comparing an acquired image including the subject, taken in an examination room, with a background image, background subtraction is used to extract the subject's area and the area of the roller held by the subject. Then, by acquiring and analyzing the relative movement of the roller relative to each body part of the subject's area using optical flow, it is determined whether the roller application was performed appropriately. The following prior art is disclosed in Patent Document 2 below: Image information of a predetermined area is acquired as area information. Based on the area information and detection information, including motion information from past falls, stored in a memory unit, a dangerous situation in the predetermined area is detected. Then, if a dangerous situation is detected, a notification is issued. Japanese Patent Publication No. 2018-5464Japanese Patent Publication No. 2021-76934 The advantages and features provided by one or more embodiments of the present invention will be better understood from the following detailed description and accompanying drawings. However, these are for illustrative purposes only and are not intended to limit the present invention. This diagram shows the schematic configuration of the analysis system. This is a block diagram showing the hardware configuration of the analytical instrument. This is a schematic diagram showing the subjects of analysis within the monitoring area captured by the imaging device. This is an explanatory diagram to show how the presence of an analysis target is determined within the monitoring area. This is an explanatory diagram to show what happens when it is determined that there are no individuals to be analyzed within the monitoring area. This diagram shows a bounding box surrounding a cleaning component. This is an explanatory diagram showing the reference rectangles for the head area, upper body area, and lower body area. This is an explanatory diagram to explain how the head area, which is the area to be analyzed, is calculated. This is an explanatory diagram illustrating the method for calculating the upper body area, which is the area to be analyzed. This is an explanatory diagram illustrating the method for calculating the lower body area, which is the area to be analyzed. This figure shows an example of an area to be analyzed. This is an explanatory diagram showing the roller data frame. This is an explanatory diagram showing the convex hull of the coordinates of the cleaning rollers in a time series within the head area. This is an explanatory diagram showing the trajectory length of the cleaning roller coordinates within the area being analyzed. This figure shows a display screen where the features are clearly visible. This is a flowchart showing the operation of the analysis system. Figure 16 shows the subroutine flowchart for step S08 of the flowchart. This is the subroutine flowchart for step S21 of the subroutine flowchart shown in Figure 17. This figure shows a Roller data frame in which label transitions are recorded. This figure shows the Range output for each label relative to the Raw of the roller data frame after the label transition determination process. This is an explanatory diagram showing the state in which the analyte has been detected within the analysis area. This is a flowchart showing the operation of the analysis system. The following describes an analysis system, analysis program, and analysis method according to embodiments of the present invention, with reference to the attached drawings. However, the scope of the present invention is not limited to the disclosed embodiments. In the description of the drawings, the same elements are denoted by the same reference numerals, and redundant descriptions are omitted. Furthermore, the dimensional ratios in the drawings are exaggerated for illustrative purposes and may differ from actual ratios. (First Embodiment) Figure 1 is a diagram showing the schematic configuration of the analysis system 1. Figure 2 is a block diagram showing the hardware configuration of the analysis device 10. The analysis system 1 includes an analysis device 10 and an imaging device 20. The analysis system 1 may also consist of only the analysis device 10. The analysis device 10 and the imaging device 20 can be connected to each other in a way that allows them to communicate with one another. The analysis device 10 includes a control unit 100, a storage unit 200, a display unit 300, an input unit 400, and a communication unit 500. These components are interconnected via a bus 600. The analysis device 10 is comprised of a computer. The analysis device 10 may be, for example, a PC (Personal Computer) or a server. The con