CN113384234B - Animal three-dimensional vision measuring device and method - Google Patents
Animal three-dimensional vision measuring device and method Download PDFInfo
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- CN113384234B CN113384234B CN202110775081.2A CN202110775081A CN113384234B CN 113384234 B CN113384234 B CN 113384234B CN 202110775081 A CN202110775081 A CN 202110775081A CN 113384234 B CN113384234 B CN 113384234B
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Abstract
The invention relates to the technical field of animal vision experiments, and discloses an animal three-dimensional vision measuring device which comprises a transparent box body and an image generating device, wherein an experimental animal is placed in the transparent box body, so that the experimental animal has a certain moving space, the interference to the animal is reduced, the real reaction of the experimental animal can be reduced, the animal is not damaged, the safety of an operator is ensured, a holographic image is displayed through the image generating device, the holographic image can be watched by the experimental animal in the transparent box body, the experimental animal is attracted, the visual range of the animal can be controlled by controlling the holographic image, the animal can be stimulated to make a visual reaction, the real visual state of the animal is obtained, and the visual measurement is more accurate. The invention also provides an animal three-dimensional vision measuring device, which judges the visual direction by collecting the relative position relation between the visual targets of the experimental animal and the holographic image and the head gravity information of the experimental animal, thereby realizing the measurement of the animal three-dimensional vision.
Description
Technical Field
The invention relates to the technical field of animal vision experiments, in particular to an animal three-dimensional vision measuring device and method.
Background
Vision is the most important perception capability of humans and animals. The vast majority of the external information acquired by the brain is provided by vision. Therefore, the method has great significance for the visual research of animals to a visual system and a bionic device.
Mantis is the only insect among insects that has been demonstrated to possess 3D vision, and mantis can be said to be the lowest-order organism possessing 3D vision. Mantis is therefore a very important visual study. In the experiment for researching the animal vision, because the mantis has a larger moving range and a larger visual range, how to restrict the visual range of the mantis is always a very important problem in the process of researching the vision of the mantis, but the mantis is fixed, so that a lot of unnecessary problems can be brought.
An experimental device for fixing mantis inevitably damages the life of mantis, and a clamp of mantis has certain danger to human body, so that the process is tedious and has certain danger in the fixing process of mantis. In addition, in the natural predation process of the mantis, the rears can gradually adjust the position of the mantis along with the movement of a prey, the mantis is attacked when the rears are in the best position, and the rears cannot restore the real visual state of the animal after being fixed.
Chinese invention patent CN108535871a (published as 2018, 09 and 14) discloses a desktop virtual reality visual stimulation system for animal experiments, comprising: the system comprises a display bracket, a visual stimulation screen system and an image processing device; the display bracket comprises a plane plate, and one side of the plane plate is provided with a notch; the visual stimulus screen system includes: the three displays are respectively arranged on three side parts outside the opening of one side of the notch of the plane board, and the image processing device is simultaneously connected with the three displays of the visual stimulation screen system so as to synchronously transmit the images in three directions to the corresponding displays to form a 3D visual effect. A small panel is detachably embedded in the notch of the plane plate, so that when a non-human primate with a large body size is used for carrying out an experiment, a monkey chair for placing animals can be fixed on the notch, and a vision related experiment can be conveniently carried out; in experiments using smaller rodents, small panels may be inserted into the recesses to eliminate the recesses so that the rodents may be placed directly on the planar sheet. This patent need take fixed measure when placing experimental animals, has the interference to the animal, can not hundred percent restore animal's true visual state, if do not restrict experimental animals, then can cause experimental animals to flee, leads to the experiment to go on unable.
Disclosure of Invention
The invention aims to provide an animal three-dimensional vision measuring device and method which are safe to operate, can reduce damage to animals and can truly restore the vision states of the animals.
In order to achieve the above object, the present invention provides an animal three-dimensional vision measuring device, comprising an animal placing device and an image generating device, wherein the image generating device is used for displaying a holographic image, the animal placing device comprises a transparent box body, and the transparent box body is positioned in front of the image generating device; the image generation device comprises a first display screen, a second display screen and a semipermeable membrane which are vertically arranged, the first display screen is perpendicular to the second display screen, the semipermeable membrane is positioned between the first display screen and the second display screen, and an included angle between the semipermeable membrane and the first display screen and an included angle between the semipermeable membrane and the second display screen are both 45 degrees; the transparent box body is a cylinder, and the side surface of the transparent box body is provided with an observation surface vertical to the semi-permeable membrane; preferably, the transparent box body is a triangular prism with a right-angled triangle section, and the hypotenuse vertical face of the transparent box body is the observation face.
Preferably, the other surfaces of the transparent box body except the observation surface are coated with lubricating layers.
Preferably, the observing surface is provided with floccules.
Preferably, the image generating device further comprises a moving mechanism, and the transparent box body is connected with the moving mechanism to drive the transparent box body to move in a direction close to or far away from the image generating device.
The invention also provides a method for measuring the animal three-dimensional vision by using the animal three-dimensional vision measuring device, which comprises the following steps:
the method comprises the following steps: collecting initial relative position information of an experimental animal placed in a transparent box body and a holographic image displayed by an image generating device;
step two: playing dynamic holographic image by an image generating device, and displaying a visual target stimulating experimental animals;
step three: acquiring experiment relative position information of the experimental animal and the visual target, and acquiring head gravity information of the experimental animal;
step four: and changing the relative position of the visual target and the experimental animal or the type of the visual target or the color of the visual target, and repeating the third step until the preset information acquisition times are reached.
Preferably, in the first step and the third step, the initial relative position information and the experimental relative position information are obtained by collecting the relative position information of the transparent box body and the image generating device and the position information of the experimental animal on the transparent box body.
Preferably, in step three, the gravity sensor is arranged on the head of the experimental animal to collect the head gravity information of the experimental animal.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the transparent box body is arranged, the experimental animal is placed in the transparent box body, so that the experimental animal has a certain moving space, the interference to the animal is reduced, the real reaction of the experimental animal can be restored, the experimental animal does not need to be fixed, the animal is not damaged, the safety of operators is ensured, the holographic image is displayed through the image generating device, the holographic image can be observed by the experimental animal in the transparent box body, the visual stimulation is generated to the experimental animal, the experimental animal is attracted, the visual range of the animal can be controlled by controlling the holographic image, the animal can be stimulated to make a visual reaction, the real visual state of the animal is obtained, and the visual measurement is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of an animal three-dimensional vision measuring device according to an embodiment of the invention.
Fig. 2 is a flow chart of a method for measuring three-dimensional vision of an animal according to an embodiment of the present invention.
In the figure, 1-transparent box; 101-observation surface; 2-a first display screen; 3-a second display screen; 4-a semi-permeable membrane; 5-a guide rail; 6-moving the wheel.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the animal three-dimensional vision measuring device according to the preferred embodiment of the present invention includes an animal placing device and an image generating device, wherein the image generating device is used for displaying a holographic image, the animal placing device includes a transparent box 1, and the transparent box 1 is located in front of the image generating device. This embodiment is through setting up transparent box 1, put into transparent box 1 with the laboratory animal, make the laboratory animal have certain activity space, reduce the interference to the animal, can restore the true reaction of laboratory animal, do not need fixed laboratory animal, can not produce the injury to the animal, operating personnel's safety has been guaranteed, and show holographic image through image generating device, this holographic image can be observed to laboratory animal in the transparent box 1, produce visual stimulation to the laboratory animal, attract the laboratory animal, visual range through the steerable animal of control holographic image, and can stimulate the animal and make visual response, obtain the real visual state of animal, it is more accurate to make visual measurement.
In this embodiment, image generating device includes vertical first display screen 2, second display screen 3 and pellicle 4 that sets up to, first display screen 2 is perpendicular with second display screen 3, and pellicle 4 is located between first display screen 2 and the second display screen 3, and the pellicle 4 is 45 with the contained angle between first display screen 2 and the second display screen 3. The same video is played on the first display screen 2 and the second display screen 3, and a 3D image is generated by utilizing the polarized light principle under the action of the semi-permeable membrane 4. The experimental animal is the mantis, the holographic image target generated by the image generation device is set to be reddish blue, the visual stimulation effect on the mantis is maximum, and in addition, the holographic image target generated by the image generation device is set to be a predatory object of the mantis, so that stimulation on the mantis can be further enhanced.
Further, the transparent case 1 of the present embodiment is a cylinder, and the side surface of the transparent case 1 has an observation surface 101 perpendicular to the semi-permeable membrane, so that the experimental animal has the side surface for optimally watching the hologram. The transparent box body 1 of the embodiment is a triangular prism with a right-angled triangle section, and the hypotenuse vertical face of the transparent box body is an observation face, so that the position of the experimental animal in the transparent box body 1 can be conveniently determined. In addition, the other surfaces of the transparent box body 1 except the observation surface 101 are coated with lubricating layers, so that the mantis of the experimental animal in the embodiment can only climb on the observation surface 101, and the mantis is subjected to visual stimulation, so that the visual range of the mantis is limited. The lubricating layer of this example is a grease layer. Furthermore, the observation surface 101 is provided with floccules, so that mantis can conveniently climb up, the mantis habit is met, and the living environment of the mantis is restored to obtain the real reaction of the mantis. In this embodiment, the transparent box 1, the first display screen 2 and the second display screen 3 have the same height, and the length of the observation surface of the transparent box 1 is equal to the distance between the side of the first display screen 2 departing from the third display screen 3 and the side of the second display screen 3 departing from the first display screen 2. In addition, the transparent case 1 of the present embodiment is a glass case.
The measuring device of the embodiment further comprises a moving mechanism, the transparent box body 1 is connected with the moving mechanism to drive the transparent box body 1 to move along the direction close to or far away from the image generating device, the spatial position of the transparent box body 1 can be adjusted through the moving mechanism, and the holographic image of the image generating device is in the visual range of the experimental animal as far as possible. The moving mechanism of the embodiment includes a guide rail 5, and the guide rail 5 is parallel to the first display screen 2 and perpendicular to the second display screen 3, so that the transparent box 1 moves along the direction perpendicular to the second display screen 3. In addition, the bottom of the transparent box body 1 is connected with a moving wheel 6, and the moving wheel 6 is connected on the guide rail 5, so that the transparent box body 1 can be conveniently moved. It should be noted that the movement of the present embodiment also includes a robotic arm having three degrees of freedom.
As shown in fig. 2, an embodiment of the present invention further provides a method for measuring three-dimensional vision of an animal by using the above apparatus for measuring three-dimensional vision of an animal, including the following steps:
the method comprises the following steps: collecting initial relative position information of an experimental animal placed in a transparent box body and a holographic image displayed by an image generating device;
step two: playing dynamic holographic image by an image generating device, and displaying a visual target stimulating experimental animals;
step three: acquiring experiment relative position information of an experimental animal and a visual target, and acquiring head gravity information of the experimental animal;
step four: and changing the relative position of the visual target and the experimental animal or the type of the visual target or the color of the visual target, and repeating the third step until the preset information acquisition times are reached.
The embodiment can judge the visual direction of the experimental animal more accurately by collecting the relative position of the experimental animal and the visual target and the gravity information of the head of the experimental animal, and realize the measurement of the three-dimensional vision of the animal. In step one, the initial relative position information is the relative position of the experimental animal and the region where the visual target to appear in step two is located. In the fourth step, the relative position between the visual target and the experimental animal can be realized by adjusting the relative position between the transparent box where the experimental animal is located and the image generating device, or by changing the visual target of the holographic image, for example, changing the display area of the visual target on the display screen, changing the size of the visual target to achieve the position change far away from or near the experimental animal, and the like.
The experimental animal adopted in the embodiment is mantis, the visual target is a predation object of the mantis, the color of the visual target is set to be red blue, and the stimulation to the mantis is maximum. In addition, the image generating device of this embodiment includes the first display screen, second display screen and the pellicle of vertical setting, in step one, before carrying out positional information and gathering, places first display screen and second display screen perpendicularly to put the pellicle between first display screen and second display screen, make the pellicle and the contained angle between first display screen and the second display screen be 45. Then coating grease on other surfaces of the triangular prism transparent box body with the right-angled triangle section except the bevel edge vertical surface, placing floccules on the bevel edge vertical surface, placing the mantis into the transparent box body, and placing the transparent box body in a mode that the bevel edge vertical surface of the transparent box body is perpendicular to the semipermeable membrane.
Furthermore, in the first step and the third step, the initial relative position information and the experimental relative position information are obtained by collecting the relative position information of the transparent box body and the image generating device and the position information of the experimental animal on the transparent box body, so that the position information of the experimental animal can be obtained more accurately. The image generating device of the embodiment is fixed, and the relative position of the transparent box body and the image generating device is changed by changing the position of the transparent box body in the measuring process, wherein the position change of the transparent box body is carried out according to the preset position, so that the relative position of the transparent box body and the image generating device can obtain accurate data. The experimental animal is positioned in the transparent box body, the shape and the range of the transparent box body are fixed, and the position of the experimental animal in the transparent box body can be easily obtained. Furthermore, the other surfaces except one side surface of the embodiment are coated with the lubricating layer, so that the experimental animal cannot climb on the surface and can only climb on one surface, and the position of the experimental animal is more favorably determined.
Optionally, in step three, the gravity sensor is arranged on the head of the experimental animal to collect the gravity information of the head of the experimental animal, wherein the gravity information includes the included angle between the head of the experimental animal and the horizontal plane and the gravity acceleration of the head, so that the real visual response of the experimental animal receiving the visual stimulus can be restored.
To sum up, the embodiment of the invention provides an animal three-dimensional vision measuring device, through setting a transparent box body 1, experimental animals are placed in the transparent box body 1, so that the experimental animals have a certain moving space, the interference to the animals is reduced, the real reaction of the experimental animals can be restored, the experimental animals do not need to be fixed, the animals are not damaged, the safety of operators is ensured, the holographic images are displayed through an image generating device, the holographic images can be observed by the experimental animals in the transparent box body 1, the visual stimulation is generated to the experimental animals, the experimental animals are attracted, the visual range of the animals can be controlled through controlling the holographic images, the animals can be stimulated to make the visual reaction, the real visual state of the animals is obtained, and the visual measurement is more accurate. The invention also provides an animal three-dimensional vision measuring device, which judges the vision direction by collecting the relative position relationship between the experimental animal and the vision target of the holographic image and the head gravity information of the experimental animal, thereby realizing the measurement of the animal three-dimensional vision.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. The animal three-dimensional vision measuring device is characterized by comprising an animal placing device and an image generating device, wherein the image generating device is used for displaying holographic images, the animal placing device comprises a transparent box body (1), and the transparent box body (1) is positioned in front of the image generating device;
the image generation device comprises a first display screen (2), a second display screen (3) and a semipermeable membrane (4) which are vertically arranged, the first display screen (2) is perpendicular to the second display screen (3), the semipermeable membrane (4) is located between the first display screen (2) and the second display screen (3), and an included angle between the semipermeable membrane (4) and the first display screen (2) and the second display screen (3) is 45 degrees;
the transparent box body (1) is a cylinder, and the side surface of the transparent box body (1) is provided with an observation surface (101) vertical to the semi-permeable membrane (4); the transparent box body (1) is a triangular prism with a right-angled triangle section, and the hypotenuse vertical face of the transparent box body is the observation face (101).
2. The animal three-dimensional vision measuring device according to claim 1, characterized in that the other surfaces of the transparent box body (1) except the observation surface (101) are coated with a lubricating layer.
3. Animal three-dimensional vision measuring device according to claim 1, characterized in that a flock is provided on the viewing surface (101).
4. The animal three-dimensional vision measuring device according to claim 1, further comprising a moving mechanism, wherein the transparent box body (1) is connected with the moving mechanism to drive the transparent box body (1) to move in a direction close to or far away from the image generating device.
5. A method for measuring three-dimensional vision of an animal by using the apparatus for measuring three-dimensional vision of an animal according to claim 1, comprising the steps of:
the method comprises the following steps: collecting initial relative position information of an experimental animal placed in a transparent box body and a holographic image displayed by an image generating device;
step two: playing dynamic holographic image by an image generating device, and displaying a visual target stimulating experimental animals;
step three: acquiring experiment relative position information of an experimental animal and a visual target, and acquiring head gravity information of the experimental animal;
step four: and changing the relative position of the visual target and the experimental animal or the type of the visual target or the color of the visual target, and repeating the third step until the preset information acquisition times are reached.
6. The method for three-dimensional visual measurement of animals according to claim 5, wherein in the first step and the third step, the initial relative position information and the experimental relative position information are obtained by collecting the relative position information of the transparent box body and the image generating device and the position information of the experimental animal on the transparent box body.
7. The method for three-dimensional visual measurement of animals according to claim 5, wherein in step three, the gravity sensor is arranged on the head of the experimental animal to collect the gravity information of the head.
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| US20210068650A1 (en) * | 2018-04-03 | 2021-03-11 | The Schepens Eye Research Institute, Inc. | Assessing visual function |
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| CN104665759A (en) * | 2015-03-26 | 2015-06-03 | 河南中医学院 | Animal visual function determinator |
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