JP7162520B2 - Insect counting device and insect counting system - Google Patents

Description

The present invention relates to an insect counting device and an insect counting system.

Conventionally, an insect counting device that counts the number of insects has been used for the purpose of environmental survey, ecological survey, pest control, etc. It is

For example, in Patent Document 1, an image reader reads the surface of an adhesive sheet and performs image processing on the read two-dimensional image in order to grasp the capture situation when an insect is captured with the adhesive sheet. Accordingly, an image extractor is disclosed that counts insects contained within the image.

In addition, in Patent Document 2, in order to grasp the occurrence situation of insects occurring in the accumulation part that attracts pests etc., the accumulation part is photographed with a 3D camera, and the volume of the colony obtained from the photographed data is calculated. , a pest measuring device that counts the number of pests present in a three-dimensionally formed colony by dividing by the average adult volume of pests.

JP 2014-183744 A JP 2016-19504 A

However, in the image extracting device disclosed in Patent Document 1, image processing is performed on a two-dimensional image obtained by reading the surface of the adhesive sheet with an image reading device. or similar to the color of the adhesive sheet that serves as the background of the insect, it becomes difficult to distinguish between the insect and the adhesive sheet that serves as the background of the insect in image processing. However, there is a problem that the number of insects that are trapped cannot be accurately counted.

In addition, in the pest measuring device disclosed in Patent Document 2, the information obtained from the photographed data obtained by photographing the accumulation part with a 3D camera is the volume of the colony, and the number of pests obtained from the colony volume is only an estimated number. Therefore, if the pests do not exist uniformly in the colony, or if the volume of the pests that occurred in the accumulation part differs from the average adult pest volume due to environmental factors, etc., the number of pests should be reduced. There was a problem that it was impossible to count accurately.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and provides an insect counter capable of accurately counting insects without being affected by their characteristics such as body color, body shape, and body length. The object is to provide an insect counting system.

The present invention is intended to solve the above problems, and an insect counting device according to an embodiment of the present invention comprises:
a data reception unit that receives three-dimensional shape measurement data obtained by measuring the three-dimensional shape of an insect attracting surface on which insects perch;
a detection unit that detects a convex portion formed by the insect based on the three-dimensional shape measurement data received by the data reception unit;
a counting unit that counts the number of the insects perched on the insect collecting surface by counting the number of the convex portions detected by the detection unit.

Further, the insect counting device according to one embodiment of the present invention is
The detection unit detects a planar portion formed by the insect attracting surface, and detects a portion higher than a predetermined threshold with respect to the planar portion as the convex portion.

Further, the insect counting device according to one embodiment of the present invention is
The insect attracting surface is characterized in that it is an adhesive surface that traps the insects by adhering them.

Further, the insect counting device according to one embodiment of the present invention is
The color of the insect-attracting surface is characterized in that it is a color favored by the insects.

Further, the insect counting device according to one embodiment of the present invention is
The data receiving unit further receives color measurement data obtained by measuring the color of the insect attracting surface,
The detection unit detects the shape of the convex portion as the body shape of the insect based on the three-dimensional shape measurement data received by the data reception unit, and measures the color received by the data reception unit. detecting the color of the convex portion as the body color of the insect based on the data;
It is characterized by further comprising a type discriminating section that discriminates the type of the insect based on the body shape and the body color of the insect detected by the detecting section.

In addition, an insect counting system according to an embodiment of the present invention includes:
a three-dimensional shape acquisition unit that measures the three-dimensional shape of an insect attracting surface on which insects perch and acquires three-dimensional shape measurement data;
an insect counting device that processes the three-dimensional shape measurement data acquired by the three-dimensional shape acquisition unit and counts the number of insects that perch on the insect attracting surface;
The insect counting device
a data reception unit that receives the three-dimensional shape measurement data acquired by the three-dimensional shape acquisition unit;
a detection unit that detects a convex portion formed by the insect based on the three-dimensional shape measurement data received by the data reception unit;
a counting unit that counts the number of the insects perched on the insect collecting surface by counting the number of the convex portions detected by the detection unit.

According to the insect counting device and the insect counting system according to one embodiment of the present invention, the detection unit detects the convex portion formed by the insect based on the three-dimensional shape of the insect collecting surface, and the counting unit detects By counting the number of convex parts detected by the part, the number of insects perched on the attracting surface is counted, so insects can be detected accurately without being affected by characteristics such as body color, body shape, and body length. can be counted to

1 is an overall configuration diagram showing an insect counting system 1A according to a first embodiment of the present invention; FIG. The state of the insect collecting surface 40 according to the first embodiment of the present invention is shown, (a) is a plan view, and (b) is a front view. 1 is a block diagram showing an insect counting system 1A according to a first embodiment of the invention; FIG. 4 is a flow chart showing the operation of the insect counting system 1A according to the first embodiment of the present invention; FIG. 11 is a block diagram showing an insect counting system 1B according to a second embodiment of the present invention; FIG. 9 is a flow chart showing the operation of the insect counting system 1B according to the second embodiment of the present invention;

An embodiment of the present invention will be described below with reference to the accompanying drawings.

(First embodiment)
FIG. 1 is an overall configuration diagram showing an insect counting system 1A according to the first embodiment of the present invention. FIG. 2 shows the state of the insect attracting surface 40 according to the first embodiment of the present invention, where (a) is a plan view and (b) is a front view. FIG. 3 is a block diagram showing an insect counting system 1A according to the first embodiment of the invention.

As shown in FIG. 1, the insect counting system 1A includes a 3D scanner (three-dimensional shape acquisition unit) 2A that measures the three-dimensional shape of an insect collecting surface 40 on which an insect 10 perches and acquires three-dimensional shape measurement data, and a 3D An insect counting device 3A, to which the scanner 2A is connected, processes three-dimensional shape measurement data acquired by the 3D scanner 2A and counts the number of insects 10 that perch on the insect attracting surface 40.

The insect 10 is an object to be counted by the insect counting system 1A and the insect counting device 3A. and arthropods other than insects, such as spiders, mites, centipedes, and any other type of insect. Therefore, the insect 10 may be a flying insect, an insect that walks or crawls on the ground, or a mixture of multiple types of insects. Moreover, the color and size of the insect 10 are not particularly limited, and a plurality of insects having various colors and sizes may be mixed.

As shown in FIG. 2A, the insect attracting surface 40 is, for example, a rectangular flat surface formed on the surface of the adhesive sheet 4 that traps the insects 10 by adhering them. An insect-collecting surface 40 is formed as an adhesive surface on the surface of the adhesive sheet 4 by coating or scattering an adhesive material such as polybutene. Note that the insect collecting surface 40 is not limited to a rectangular shape, and may be of any shape. Moreover, the insect collecting surface 40 is not limited to a flat surface, and may be a curved surface.

Moreover, the insect attracting surface 40 is colored with, for example, blue, dark blue, black, etc., so as to attract the insects 10 with colors that the insects 10 instinctively like. The color of the insect attracting surface 40 may be a color similar to the body color of the insect 10 in at least one element of hue, saturation and lightness.

The insect attracting surface 40 may be colored in a predetermined color scheme (for example, grid pattern or striped pattern), and the color and color scheme coloring the insect attracting surface 40 are not counted. You may change it suitably according to the color which an insect likes.

The adhesive sheet 4 is placed on the measuring table 5, and the three-dimensional shape of the insect attracting surface 40 is measured by a 3D scanner. The adhesive sheet 4 is installed in a trapping place (either indoors or outdoors) for trapping the insects 10 at a place different from the measuring table 5, and the insects 10 are adhered and captured. It is installed on the table of the measuring table 5 by being carried. The adhesive sheet 4 may be placed on the floor or on the wall instead of on the measuring table 5 .

The 3D scanner 2A is a stationary measuring device installed above the measuring table 5, and measures the three-dimensional shape of the insect attracting surface 40 of the adhesive sheet 4, which is the object to be measured installed on the measuring table 5. Measure. The 3D scanner 2A may be a handheld measuring device. In that case, the 3D scanner 2A measures the three-dimensional shape of the insect collecting surface 40 with the adhesive sheet 4 placed on the measuring table 5. may be measured, or the three-dimensional shape of the insect attracting surface 40 may be measured with the adhesive sheet 4 placed at the trapping location.

The 3D scanner 2A irradiates the object to be measured with laser light or patterned light, and detects the reflected light from the object to measure the distance from the 3D scanner 2A to each position of the object to be measured in a non-contact manner. By measuring, the three-dimensional shape of the object to be measured is measured to obtain three-dimensional shape measurement data. The 3D scanner 2A can use any measurement method such as a trigonometric method, a time-of-flight method, a phase difference method (phase shift), or the like.

The insect counting device 3A is a general-purpose computer such as a desktop computer, a notebook computer, a tablet terminal, a smart phone, or the like.

As shown in FIG. 3, the insect counting device 3A is composed of a data reception section 30A functioning as a connection interface with the 3D scanner 2A, a storage section 31 composed of an HDD, a memory, etc., and a processor such as a CPU. It includes a control unit 32, an input unit 33 including a keyboard, a touch panel, and the like, and an output unit 34 including a display, a speaker, and the like.

The data reception unit 30A is connected to the 3D scanner 2A and receives three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the insect attracting surface 40 with the 3D scanner 2A. The data reception unit 30A may be connected to the 3D scanner 2A by wire or may be connected wirelessly. Further, the data reception unit 30A may be connected to a storage device such as a USB memory in which the three-dimensional shape measurement data acquired by the 3D scanner 2A is stored, and may receive the three-dimensional shape measurement data from the storage device. Alternatively, it may be connected to a network such as the Internet or a LAN, and receive three-dimensional shape measurement data from a device connected to the network.

The storage unit 31 stores an insect counting program 310A.

By executing the insect counting program 310A stored in the storage unit 31, the control unit 32 functions as a point cloud model creating unit 320, a detecting unit 321A and a counting unit 322A.

The point cloud model creating unit 320 processes the three-dimensional shape measurement data acquired by the 3D scanner 2A and received by the data receiving unit 30A to create a point cloud model representing the surface shape of the insect attracting surface 40. FIG.

The detection section 321A detects the convex portion 100 formed by the insect 10 based on the point cloud model of the insect attracting surface 40 created by the point cloud model creation section 320 . Specifically, based on the point cloud model of the insect attracting surface 40 created by the point cloud model creating unit 320, the detecting unit 321A detects the plane formed by the insect attracting surface 40 as shown in FIG. The convex portion 100 is detected as a portion of the planar portion 400 that is higher than a predetermined threshold value h. The predetermined threshold h is a parameter that can be adjusted via the input section 33 .

Based on the point cloud model of the insect attracting surface 40, the detection unit 321A detects whether the gradient of the planar portion 400 is higher than a predetermined threshold value or whether the gradient of the planar portion 400 has changed more than a predetermined threshold value. You may detect as the convex-shaped part 100 the part which falls.

The counting section 322A counts the number of insects 10 that land on the insect attracting surface 40 by counting the number of convex portions 100 detected by the detecting section 321A.

Then, the counting unit 322A sends the counting result of counting the number of insects 10 to the output unit 34 and the storage unit 31, so that the counting result is output by the output unit 34 and stored in the storage unit 31 as counting result data. is stored as

The output unit 34 outputs the counting result on the display screen or by voice. Note that the output unit 34 may display, for example, the position detected as the convex portion 100 with respect to the planar portion 400 when outputting the counting result on the display screen.

FIG. 4 is a flow chart showing the operation of the insect counting system 1A according to the first embodiment of the present invention.

First, the 3D scanner 2A measures the three-dimensional shape of the insect attracting surface 40 of the adhesive sheet 4 placed on the measuring table 5, and obtains three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the insect attracting surface 40. acquire (step S11).

Next, the data reception unit 30A of the insect counting device 3A receives three-dimensional shape measurement data from the 3D scanner 2A (step S12). Then, the point cloud model creation unit 320 processes the three-dimensional shape measurement data to create a point cloud model representing the surface shape of the insect attracting surface 40 (step S13).

Next, the detection unit 321A detects the planar portion 400 formed by the insect attracting surface 40 based on the point cloud model of the insect attracting surface 40 created by the point cloud model creating unit 320, and On the other hand, a portion higher than a predetermined threshold value h is detected as a convex portion 100 (step S14).

Next, the counting section 322A counts the number of insects 10 that land on the insect attracting surface 40 by counting the number of convex portions 100 detected by the detecting section 321A (step S15).

Then, when the counting unit 322A sends the counting result of counting the number of insects 10 to the output unit 34 and the storage unit 31, the output unit 34 outputs the counting result on the display screen or by voice, and the storage unit 31 It is stored as counting result data (step S16). In step S16, the output section 34 may simply output the count result, or the storage section 31 may simply store the count result data.

As described above, according to the insect counting system 1A and the insect counting device 3A according to the first embodiment, the detecting section 321A detects the convex portion formed by the insect 10 based on the three-dimensional shape of the insect collecting surface 40. 100 is detected, and the counting unit 322A counts the number of convex portions 100 detected by the detecting unit 321A, thereby counting the number of insects 10 that land on the insect attracting surface 40. Therefore, on the insect attracting surface 40, Even if insects 10 with various body colors, body shapes, and body lengths are resting, the number of insects 10 can be counted by detecting the convex portion 100 formed by the insects 10 as a three-dimensional shape. , the insects 10 can be accurately counted without being affected by the characteristics of the insects 10 such as body color, body shape, and body length.

Further, according to the insect counting system 1A and the insect counting device 3A according to the first embodiment, the detecting section 321A detects the planar portion 400 formed by the insect attracting surface 40, and is higher than the threshold value h is detected as the convex portion 100, the existence of the insects 10 perched on the insect attracting surface 40 can be accurately detected by a simple process.

Further, according to the insect counting system 1A and the insect counting device 3A according to the first embodiment, since the insect collecting surface 40 is an adhesive surface for trapping the insects 10 by adhering them, the insects 10 are captured by the adhesive surface. The number of catches can be counted accurately.

Further, according to the insect counting system 1A and the insect counting device 3A according to the first embodiment, since the color of the insect collecting surface 40 is the color favored by the insects 10, more insects 10 can be collected. Also, the body color of the insect 10 is, for example, the same or similar to the color preferred by the insect 10, that is, the body color of the insect 10 is the same or similar to the color of the attracting surface 40. However, since the number of insects 10 is counted by detecting the convex portion 100 formed by the insects 10 as a three-dimensional shape, it is difficult to identify the insects 10 only with the two-dimensional information of the insect attracting surface 40. Insects 10 can be accurately counted even for situations.

(Second embodiment)
FIG. 5 is a block diagram showing an insect counting system 1B according to a second embodiment of the invention.

In the insect counting device 3B according to the second embodiment, the data receiving unit 30B further receives color measurement data obtained by measuring the color of the insect attracting surface 40 in contrast to the insect counting device 3A according to the first embodiment. By executing the insect counting program 310B stored in the storage unit 31, the control unit 32 functions as a point cloud model creating unit 320, a detecting unit 321B, a counting unit 322B, and a type discriminating unit 323. be. The rest of the basic configuration of the insect counting system 1B is the same as that of the insect counting system 1A according to the first embodiment, so description thereof will be omitted.

The 3D scanner 2B is a color scanner that measures the three-dimensional shape of the insect attracting surface 40 to obtain three-dimensional shape measurement data, and measures the color of the insect attracting surface 40 to obtain color measurement data.

The data receiving unit 30B is connected to the 3D scanner 2B, receives three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the insect attracting surface 40 with the 3D scanner 2B, and measures the color of the insect attracting surface 40 with the 3D scanner 2B. accept color measurement data.

The storage unit 31 stores an insect counting program 310B and an insect feature database 311. FIG. In the insect feature database 311, for example, feature information such as the body shape and body color of the insect 10 is registered for each type of the insect 10. FIG.

The point cloud model creating unit 320 processes the three-dimensional shape measurement data acquired by the 3D scanner 2B and received by the data receiving unit 30B to create a point cloud model representing the surface shape of the insect attracting surface 40 .

The detection unit 321B detects the convex portion 100 formed by the insect 10 as the body shape of the insect 10 based on the point cloud model of the insect attracting surface 40 created by the point cloud model creation unit 320, and detects the data reception unit 30B. detects the color of the convex portion as the body color of the insect 10 based on the color measurement data received by .

The type discrimination section 323 discriminates the type of insect based on the body shape and body color of the insect 10 detected by the detection section 321B. Specifically, the type determination unit 323 compares the body shape and body color of the insect 10 detected by the detection unit 321B with the feature information of the insect 10 registered in the insect feature database 311 to determine the type of insect. determine.

The counting unit 322B counts the number of convex portions 100 detected by the detecting unit 321B for each type of insect determined by the type determining unit 323, thereby determining the number of insects that land on the insect attracting surface 40 for each type of insect. Count the number of ten.

FIG. 6 is a flow chart showing the operation of the insect counting system 1B according to the second embodiment of the present invention.

First, the 3D scanner 2B measures the three-dimensional shape and color of the insect attracting surface 40 of the adhesive sheet 4 placed on the measuring table 5, and measures the three-dimensional shape of the insect attracting surface 40. Data and color measurement data obtained by measuring the color of the insect collecting surface 40 are obtained (step S21).

Next, the data reception unit 30B of the insect counting device 3B receives the three-dimensional shape measurement data and color measurement data from the 3D scanner 2B (step S22). Then, the point cloud model creating section 320 processes the three-dimensional shape measurement data to create a point cloud model representing the surface shape of the insect attracting surface 40 (step S23).

Next, the detection unit 321B detects the planar portion 400 formed by the insect attracting surface 40 based on the point cloud model of the insect attracting surface 40 created by the point cloud model creating unit 320, and On the other hand, the portion higher than the predetermined threshold value h is detected as the convex portion 100 (step S24).

Then, the detection unit 321B detects the convex portion 100 as the body shape of the insect 10, and also detects the color of the convex portion as the body color of the insect 10 based on the color measurement data received by the data receiving unit 30B. (Step S25).

Next, the type determination unit 323 determines the type of insect by comparing the body shape and body color of the insect 10 detected by the detection unit 321B with the characteristic information of the insect 10 registered in the insect characteristic database 311. (step S26).

Next, the counting unit 322B counts the number of the protrusions 100 detected by the detecting unit 321B for each insect type determined by the type determining unit 323, thereby determining the number of insects 10 for each insect type. is counted (step S27).

Then, when the counting unit 322A sends the counting result of counting the number of insects 10 to the output unit 34 and the storage unit 31, the output unit 34 outputs the counting result on the display screen or by voice, and the storage unit 31 It is stored as counting result data (step S28). Note that the output unit 34 may output the ratio of each type of insect 10 to the total number of insects 10 when outputting the counting result.

As described above, according to the insect counting system 1B and the insect counting device 3B according to the second embodiment, the detector 321B detects the shape of the convex portion 100 based on the three-dimensional shape measurement data of the insect attracting surface 40. is detected as the body shape of the insect, and based on the color measurement data of the insect attracting surface 40, the color of the convex portion 100 is detected as the body color of the insect 10. Since the types of the insects 10 are discriminated based on the body shape and body color of the insects 10, the insects 10 can be accurately counted, and the types of the insects 10 can also be accurately discriminated. can be counted accurately.

(Other embodiments)
Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and can be modified as appropriate without departing from the technical idea of the present invention.

For example, in the first and second embodiments, the insect attracting surface 40 is the adhesive surface of the adhesive sheet 4 that traps the insects 10 by adhering them. It is not limited to a surface having adhesiveness, such as the adhesive surface of . That is, the insect attracting surface 40 may be a non-adhesive surface, and for example, the insect attracting surface 40 may be a surface on which the insects 10 temporarily rest. At that time, attracting means may be provided near the insect attracting surface 40 to attract the insects 10 by generating light, smell, carbon dioxide gas, or the like.

In the first and second embodiments described above, the insect counting systems 1A and 1B are provided with the 3D scanners 2A and 2B as the three-dimensional shape acquisition units. Any device that can measure the shape may be used, and is not limited to the 3D scanners 2A and 2B. For example, the insect counting system 1A, 1B is provided with a stereo camera consisting of a pair of cameras as a three-dimensional shape acquisition unit instead of the 3D scanners 2A, 2B, and based on parallax images captured by the stereo camera, insects can be collected. Three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the surface 40 may be acquired.

In the second embodiment, the 3D scanner 2B measures the three-dimensional shape of the insect attracting surface 40 to obtain three-dimensional shape measurement data, and measures the color of the insect attracting surface 40 to obtain color measurement data. However, the insect counting system 1B further includes a color camera in addition to the 3D scanner 2B, the 3D scanner 2B acquires three-dimensional shape measurement data, and the color camera acquires color measurement data. You may make it In this case, the data reception unit 30B may receive three-dimensional shape measurement data from the 3D scanner 2B and color measurement data from the color camera.

In addition, in the second embodiment, the type discriminating unit 323 discriminates the type of insect based on the body shape and body color of the insect 10, but the type discriminating unit 323 determines only the body shape of the insect 10 You may make it discriminate|determine the kind of insect based on.

In addition, in the first and second embodiments, the insect counting programs 310A and 310B are described as being stored in the storage unit 31, but they can be installed in a computer-readable recording medium such as a CD-ROM or DVD. It may be recorded and provided as a file in a usable format or executable format, or may be provided by storing it on a computer connected to a network such as the Internet and downloading it via the network.

1A, 1B... insect counting system,
2A, 2B ... 3D scanner (three-dimensional shape acquisition unit),
3A, 3B... insect counter, 4... adhesive sheet, 5... measuring table,
10... Insect, 30A, 30B... Data receiving unit, 31... Storage unit,
32... control unit, 33... input unit, 34... output unit, 40... insect collecting surface,
100... convex portion, 310A, 310B... insect counting program,
311... insect feature database, 320... point cloud model creation unit,
321A, 321B... detectors, 322A, 322B... counters,
323...Type discrimination part, 400...Plane part

Claims (6)

A 3D scanner capable of non-contact measurement of the distance to each position of the insect attracting surface by irradiating the insect attracting surface on which the insects perch with laser light or patterned light and detecting the reflected light from the insect attracting surface is used as described above. a data reception unit that receives three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the insect attracting surface ;
a detection unit that detects a convex portion formed by the insect based on the three-dimensional shape measurement data received by the data reception unit;
a counting unit that counts the number of the insects perched on the insect attracting surface by counting the number of the convex portions detected by the detection unit;
An insect counting device characterized by: The detection unit detects a planar portion formed by the insect attracting surface, and detects a portion higher than a predetermined threshold with respect to the planar portion as the convex portion.
The insect counting device according to claim 1, characterized in that: The insect attracting surface is an adhesive surface that traps the insects by adhering them.
The insect counting device according to claim 1 or 2, characterized in that: The color of the attracting surface is a color preferred by the insects.
The insect counting device according to any one of claims 1 to 3, characterized in that: The data receiving unit receives the three-dimensional shape measurement data obtained by measuring the three-dimensional shape of the insect attracting surface with a color scanner as the 3D scanner, and measures the color of the insect attracting surface with the color scanner. accept data,
The detection unit detects the shape of the convex portion as the body shape of the insect based on the three-dimensional shape measurement data received by the data reception unit, and measures the color received by the data reception unit. detecting the color of the convex portion as the body color of the insect based on the data;
A type for discriminating the type of the insect based on the body shape and the body color of the insect detected by the detection unit and an insect feature database in which the body shape and the body color are registered for each type of the insect. further comprising a determination unit;
The insect counting device according to any one of claims 1 to 4, characterized in that: By irradiating a laser beam or pattern light onto an insect attracting surface on which insects perch, and detecting the reflected light from the insect attracting surface, the distance to each position on the insect attracting surface is measured in a non-contact manner. a 3D scanner that measures the three-dimensional shape of the insect surface and acquires three-dimensional shape measurement data;
an insect counting device that processes the three-dimensional shape measurement data acquired by the 3D scanner and counts the number of insects perched on the insect attracting surface;
The insect counting device
a data reception unit that receives the three-dimensional shape measurement data acquired by the 3D scanner ;
a detection unit that detects a convex portion formed by the insect based on the three-dimensional shape measurement data received by the data reception unit;
a counting unit that counts the number of the insects perched on the insect attracting surface by counting the number of the convex portions detected by the detection unit;
An insect counting system characterized by:

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