TWI613615B - Guiding system and method - Google Patents

Abstract

The invention discloses a navigation system which is composed of an image generating device and a wearable device, wherein a specific image corresponding to a specific external exhibit and not recognized by a human eye is generated by the image generating device, and a specific image is projected. The image is sent to an external exhibit, and when the user views the external exhibit through the wearing device, the specific image is received, and the specific image is compared with the built-in preset image, and the navigation information is output after comparison. With the design of the present invention, the navigation information required by the user can be automatically provided without affecting the visual perception of the user viewing the exhibit.

Description

Navigation system and method

The present invention relates to a navigation system and method, and more particularly to a navigation system and method that can be automatically navigated.

The navigation methods used in the exhibition hall can be broadly divided into special person guides, paper guides, mobile device guides and inductive guides. The mobile device guides are further divided into touch audio guides. Button-type audio guides and Quick Response Code (QR Code) guides, while inductive guides detect that users are close to an exhibit, the navigation information is played by voice. The guided tour is a guided tour of the exhibition materials. The paper guide is to print the guide information on paper. The mobile device guide is a mobile device for each user. When the user touches an exhibit on the mobile device, the touch or push-button audio guide enters the number of the exhibit on the mobile device, and the navigation information is dialed. The quick response code guide is built in the mobile device. An application, the mobile device can scan the quick response code of each exhibit by the application, and the mobile device displays the navigation information conforming to the quick response code.

However, the push-button or touch-sensitive audio guide requires the user to input a series of numbers that match the exhibits, causing inconvenience to the user. The quick response code guide must be commissioned to write a navigation-specific application. Setting a quick response code on the exhibit not only affects the aesthetics of the exhibit, but also adds additional cost to the application. As for the inductive audio guide, the user needs to be close to the exhibit to move the guide information. Affecting the population movement of the exhibition hall, there are many ways to navigate the above.

In order to solve the problems described in the prior art, the main purpose of the present invention The invention provides a navigation system. The navigation system is composed of an image generating device and a wearable device. The image generating device generates a specific image corresponding to a specific external exhibit and projects a specific image to an external exhibit. Then, when the user views the external exhibit through the wearing device, the specific image is received, and the specific image and the built-in preset image are compared, and the navigation information is output. With the design of the present invention, the navigation information required by the user can be automatically provided without affecting the visual perception of the user viewing the exhibit.

In accordance with the above objects, a primary object of the present invention is to provide a navigation system comprising: an image generating device that generates a specific image that is incapable of being recognized by a human eye, and projects a specific image to an external exhibit; and a wearable device For allowing a user to receive a specific image through the wearable device to view an external exhibit, determine whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user, and set the specific image with a built-in preset. The images are compared, and after the comparison, the navigation information corresponding to one of the specific images is output, and the user views the navigation information on the wearable device.

The navigation system, wherein the image generating device comprises: a casing; a light source wrapped in the casing for emitting an infrared light; and a focusing plate disposed in front of the light source and separated from the light source a distance for focusing the infrared light emitted by the light source; a mask sheet disposed in parallel in front of the focusing sheet and spaced apart from the focusing sheet, the mask sheet having a pattern for generating a specific image; a focal piece disposed parallel to the mask sheet and spaced apart from the mask sheet for adjusting a focal length of the specific image; and a second focusing sheet disposed in parallel with the first focusing sheet And spaced apart from the first focus lens to adjust the focal length of the particular image.

The navigation system includes: a receiving unit having an input end and an output end, the input end receiving the visible image projected by the user on the external exhibit and the visible light of an external environment; a filter The unit has an input end and an output end, and the input end is connected to the output end of the receiving unit. After the input end of the filter unit receives the specific image and the visible light, the visible light is filtered out, and the specific image is outputted at the output end; The determining unit has an input end and an output end, and the input end is connected to the output end of the filter unit, and the input end of the judging unit receives the specific image, and Determining whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user; a comparison unit having an input end and an output end, the input end being connected to the output end of the judging unit, and the comparison unit having a built-in preset An image, and the input end of the comparison unit receives the specific image filtered by the visible light, compares the specific image with the preset image, and outputs the navigation information corresponding to the specific image at the output end; and a display The unit, one end of which is connected to the output end of the comparison unit, receives and displays the navigation information.

In accordance with the above objects, another object of the present invention is to provide a navigation system comprising: an image generating device that generates a specific image that is unrecognizable by a human eye and projects a specific image onto an external exhibit; The device is configured to allow a user to receive a specific image through the wearable device to view the external exhibit, determine whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user, and determine that the output corresponds to one of the specific images. Navigation information; and a cloud database, which is wirelessly connected to the wearable device, and the cloud database has built-in plural preset images for receiving the specific image transmitted by the wearable device, and comparing the specific image with the pre- An image is set and one of the preset images identical to one of the specific images is output to the wearable device.

The navigation system includes: a receiving unit having a first input end, a second input end, a first output end, and a second output end, the first input end receiving the user view The specific image projected on the external exhibit and the visible light of an external environment, the second input receives the navigation information output by the cloud database, the first output outputs a specific image and visible light, and the second output outputs the navigation information; The filter unit has an input end and an output end, and the input end is connected to the first output end of the receiving unit, after receiving the specific image and the visible light, filtering the visible light, and outputting a specific image at the output end; Having an input end and an output end, the input end being connected to the output end of the filter unit, receiving a specific image, and determining whether the specific image is located near an external exhibit corresponding to the maximum viewing angle viewed by the user; The first input end, the second input end, the first output end and the second output end, the first input end is connected to the output end of the judging unit, and the receiving filter is filtered. After the visible light of a specific image, the specific image and transmits to the first output terminal to the cloud database for a specific ratio of an image with a predetermined image, a second input connected to a a second output end of the receiving unit receives the navigation information output by the receiving unit, the second output end outputs the navigation information; and a display unit, one end of which is connected to the second output end of the transmitting unit, and receives the navigation of the output of the transmitting unit News.

In the navigation system, the cloud database transmits the navigation information to the receiving unit, and the sending unit transmits the specific image to the cloud database in a wireless transmission manner.

In accordance with the above objects, it is still another object of the present invention to provide a navigation method comprising the steps of: generating a particular image that is unrecognizable by a human eye, the particular image corresponding to a particular external exhibit; receiving a particular image and an external The visible light of the environment is received by a wearable device worn by the user when viewing the external exhibit by a user; filtering visible light; determining whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user Comparing a specific image with a built-in plural preset image; and generating a navigation information corresponding to the preset image of the specific image.

It can be seen from the above that the navigation system of the present invention can automatically provide the navigation information required by the user without affecting the user's visual perception of the exhibit.

1, 2‧‧‧ navigation system

10‧‧‧External exhibits

11‧‧‧Image generating device

111‧‧‧Shell

111a‧‧‧First bracket

111b‧‧‧second bracket

112‧‧‧Light source

113‧‧‧Focus

114‧‧‧ Mask

115‧‧‧First focus lens

116‧‧‧Second focus lens

12, 21‧‧‧ wearable devices

121, 211‧‧‧ receiving unit

122, 212‧‧‧ Filter unit

123, 213‧‧‧ judgment unit

124‧‧‧ comparison unit

125, 215‧‧‧ display unit

214‧‧‧Send unit

22‧‧‧Cloud database

A, B, C, D‧‧‧ patterns

S1~S6‧‧‧Steps

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of a navigation system in accordance with an embodiment of the present invention.

Fig. 2 is a schematic diagram of an image generating apparatus of a navigation system according to an embodiment of the present invention.

Figure 3 is a schematic illustration of various specific images of an embodiment of the invention.

Figure 4 is a schematic illustration of a navigation system in accordance with another embodiment of the present invention.

Figure 5 is a flow chart of a navigation system in accordance with an embodiment of the present invention.

Since the present invention discloses a navigation system in which the optical mode for filtering visible light is well known to those skilled in the art, the description below will not be fully described. Meanwhile, the drawings referred to in the following text express the structure and function related to the features of the present invention, and are not based on According to the actual size of the complete drawing, the first description.

The present invention relates to a navigation system, and more particularly to a navigation system and method that can be automatically navigated.

First, please refer to FIG. 1. FIG. 1 is a schematic diagram of a navigation system according to an embodiment of the present invention.

As shown in FIG. 1, a navigation system 1 according to an embodiment of the present invention is composed of an image generating device 11 and a wearable device 12, wherein the image generating device 11 generates an image that cannot be recognized by the human eye. A specific image is projected onto an external exhibit 10, and a user views the external exhibit 10 through the wearable device 12 to receive visible light of the specific image and the external environment, and filters the visible light band. Only the specific image is retained, and it is determined whether the specific image is located near the external exhibit 10 corresponding to the maximum viewing angle viewed by the user, that is, whether the user is viewing the external exhibit 10, and the specific image of the visible light band is filtered after the judgment. Comparing with a plurality of preset images built in, and comparing the navigation information corresponding to one of the specific images, the user can view or receive the navigation information related to the external exhibit 10 at the wearable device 12. .

Continuing to refer to FIG. 1 , the wearable device 12 includes a receiving unit 121 , a filter unit 122 , a determining unit 123 , a comparing unit 124 , and a display unit 125 . The receiving unit 121 has an input end and a At the output end, the filter unit 122 has an input end and an output end. The judging unit 123 has an input end and an output end. The comparing unit 124 has an input end and an output end, and the input end of the filter unit 122 is connected to the output end. The output end of the receiving unit 121 is connected to the output end of the filter unit 122. The input end of the comparing unit 124 is connected to the output end of the determining unit 123. One end of the display unit 125 is connected to the comparing unit 124. The output.

Referring to FIG. 1 , the input end of the receiving unit 121 receives the specific image projected on the external exhibit 10 and the visible light of the external environment, and then outputs the output to the input end of the filter unit 122 at the output end, and the filter unit 122 After receiving the specific image and the visible light, the input end filters the visible light band, retains only the specific image, and outputs a specific image to the input end of the determining unit 123 at the output end to determine The input end of the unit 123 receives the specific image and determines whether the specific image is located near the external exhibit 10 corresponding to the maximum viewing angle viewed by the user, that is, whether the user is viewing the external exhibit 10, and then outputs the output to the output. For the input end of the unit 124, the comparison unit 124 has a plurality of preset images and various exhibit navigation information corresponding to the respective preset images, and the input end of the comparison unit 124 receives the specific color of the filtered visible light band. After the image, comparing the specific image with the preset image, and outputting the exhibit navigation information corresponding to the preset image of the specific image to one end of the display unit 125 at the output end, the display unit 125 receives and displays Guided information.

Next, please refer to FIGS. 2 and 3 together. FIG. 2 is a schematic diagram of an image generating apparatus of a navigation system according to an embodiment of the present invention, and FIG. 3 is a schematic diagram of various specific images according to an embodiment of the present invention.

As shown in FIG. 2, the image generating device is composed of a casing 111, a first bracket 111a, a second bracket 111b, a light source 112, a focusing sheet 113, a mask sheet 114, and a first focusing sheet. 115 and a second focusing sheet 116; wherein the first bracket 111a is disposed at one end of the outer casing 111, the second bracket 111b is disposed at the other end of the outer casing 111, and the light source 112 is wrapped in the outer casing 111, and the focusing piece 113 is One end surface is fixed to the first bracket 111a, and the other end surface is fixed to the second bracket 111b. The focusing piece 113 is disposed in front of the light source 112 and spaced apart from the light source 112. One end surface of the mask piece 114 is fixed to the first bracket 111a. The other end surface is fixed to the second bracket 111b. The mask sheet 114 is disposed in parallel in front of the focusing sheet 113 and spaced apart from the focusing sheet 113. The mask sheet 114 has a pattern for generating a specific image, and a pattern of a specific image. As shown in FIG. 3, in the present embodiment, there are four patterns A, B, C, and D of a specific image, and each of the patterns A, B, C, and D corresponds to different exhibits, and patterns A and B, respectively. The black part in C and D is the opaque part, and the white part is the permeable part. The first bracket 111a simultaneously penetrates the first focusing sheet 115 and the second focusing sheet 116, and the second bracket 111b simultaneously penetrates the first focusing sheet 115 and the second focusing sheet 116, and the first bracket 111a and the first bracket 111a The two brackets 111b are spaced apart from each other by a distance between the first focusing sheet 115 and the second focusing sheet 116. The first focusing sheet 115 is disposed in parallel with the mask sheet 114 and separated from the mask sheet 114 by a distance. The two focus adjustment sheets 116 are arranged in parallel in front of the first focus adjustment sheet 115 and spaced apart from the first focus adjustment sheet 115 by a distance. The first focusing sheet 115 and the second focusing sheet 116 are movable focusing sheets for adjusting the focal length.

Referring to FIG. 2, the light source 112 is configured to emit infrared light (invisible light) that is unrecognizable by the human eye. After the infrared light passes through the focusing sheet 113, the infrared light is focused, and the focused infrared light passes through the mask 114. A specific image in the form of infrared light is generated through the pattern of the specific image on the mask sheet 114, and then the focal length of the specific image is adjusted via the first focus sheet 115 and the second focus sheet 116. Finally, A specific image is irradiated onto the exterior exhibit 10.

Next, please refer to FIG. 4, which is a schematic diagram of a navigation system according to another embodiment of the present invention.

As shown in FIG. 4, the navigation system 2 is composed of an image generating device 11, a wearable device 21, and a cloud database 22, wherein the wearable device 21 and the cloud database 22 are wirelessly connected.

Referring to FIG. 4, the image generating device 11 generates a specific image that is unrecognizable by the human eye, and projects the specific image to an external exhibit 10, and the user receives the specific image through the wearable device 21 to view the external exhibit 10. Like the visible light of the external environment, and filtering out the visible light band of the external environment, only the specific image is retained, and it is determined whether the specific image is located near the external exhibit 10 corresponding to the maximum viewing angle viewed by the user, that is, whether the user is judged whether The external exhibit 10 is being watched, and the specific image is outputted to the cloud database 22, and the cloud database 22 has a plurality of preset images and various exhibit navigation information corresponding to the respective preset images, and the cloud database 22 receives After the specific image of the visible light band is filtered by the wearable device 21, the specific image and the preset image are compared, and the guide navigation information corresponding to the preset image corresponding to the specific image is output to the wearable The device 21 can receive or view the navigation information related to the external exhibit 10 at the wearable device 21.

Continuing to refer to FIG. 4, the wearable device 21 is composed of a receiving unit 211, a filter unit 212, a determining unit 213, a transmitting unit 214, and a display unit 215; wherein the receiving unit 211 has a first The input unit, the second input end, the first output end and the second output end, the filter unit 212 has an input end and an output end, and the judging unit 213 has an input end and an output end. The sending unit 214 has a first input end, a second input end, a first output end and a second output end. The first input end of the receiving unit 211 receives a specific image projected by the user to view the external exhibit 10 . The second input end of the receiving unit 211 is wirelessly connected to the cloud database 22, the first output end of the receiving unit 211 is connected to the input end of the filter unit 212, and the second output end of the receiving unit 211 is connected. At the second input end of the transmitting unit 214, the output end of the filter unit 212 is connected to the input end of the determining unit 213, the output end of the determining unit 213 is connected to the first input end of the transmitting unit 214, and the first output of the transmitting unit 214 The terminal is wirelessly connected to the cloud database 22, and the second output of the transmitting unit 214 is connected to the display unit 215.

Referring to FIG. 4, when the user views the external exhibit 10 by wearing the wearable device 21, the first input end of the receiving unit 211 of the wearable device 21 receives the external exhibit 10 when the user views the external exhibit 10, and projects the external exhibit 10 The specific image and the visible light of the external environment, and then the first output of the receiving unit 211 outputs a specific image and visible light to the input end of the filter unit 212, and the input end of the filter unit 212 receives the specific image and the external environment. After the visible light, the visible light band is filtered out, only the specific image is retained, and the specific image is outputted to the input end of the determining unit 213 at the output end. After the input end of the determining unit 213 receives the specific image, it is determined whether the specific image is located. The vicinity of the external exhibit 10 corresponding to the largest viewing angle viewed by the user, that is, whether the user is viewing the external exhibit 10 and determining whether the received specific image corresponds to the external exhibit 10 within the maximum viewing angle range viewed by the user. The output end of the determining unit 213 outputs a specific image filtered out of the visible light band to the first input end of the transmitting unit 214, and the transmitting unit 214 After receiving the specific image of the visible light band, an input terminal sends a specific image to the cloud database 22 at the first output to compare the specific image with the preset image, and compares the cloud database 22 Then, the exhibit navigation information conforming to the preset image of the specific image is outputted to the second input end of the receiving unit 211, and the second output end of the receiving unit 211 outputs the navigation information to the second input end of the transmitting unit 214, and the transmitting unit The second output end of 214 outputs navigation information to one end of the display unit 215, and the display unit 215 receives and displays the navigation information conforming to the external exhibit 10 viewed by the user; the image generating device of FIG. 11 internal structure and function as shown in Figure 2, will not repeat them here.

Next, please refer to FIG. 1 and FIG. 5 simultaneously. FIG. 1 is a schematic diagram of a navigation system according to an embodiment of the present invention, and FIG. 5 is a flowchart of a navigation system according to an embodiment of the present invention.

First, as shown in step S1, the image generating device 11 generates a specific image that the human eye cannot recognize, the specific image corresponds to a specific external exhibit 10, and projects the specific image to the external exhibit 10; S2, when the user views the external exhibit 10 by wearing the wearable device 12, the receiving unit 121 of the wearable device 12 receives the visible light of the specific image and the external environment; then, in step S3, the filter unit 122 of the wearable device 12 is executed. Filtering the visible light band of the specific image; then, performing step S4, the determining unit 123 receives the specific image and determines whether the specific image is located near the external exhibit 10 corresponding to the maximum viewing angle viewed by the user, that is, whether the user is Viewing the external exhibit 10; then, performing step S5, the comparison unit 124 internally builds a preset image, and the comparing unit 124 receives the specific image of the visible light band after filtering, and compares the specific image with the preset image; Finally, in step S6, the comparison unit 124 compares the specific image with the preset image to generate an exhibit navigation information corresponding to the preset image of the specific image. Output to the display unit 125 displays navigation information.

Next, please refer to FIG. 4 and FIG. 5 simultaneously. FIG. 4 is a schematic diagram of a navigation system according to another embodiment of the present invention, and FIG. 5 is a flowchart of a navigation system according to an embodiment of the present invention.

First, as shown in step S1, the image generating device 11 generates a specific image that the human eye cannot recognize, the specific image corresponds to a specific external exhibit 10, and projects the specific image to the external exhibit 10; S2, when the user views the external exhibit 10 by wearing the wearable device 21, the receiving unit 211 of the wearable device 21 receives the visible light of the specific image and the external environment; then, step S3 is performed, and the filter unit 212 of the wearable device filters In addition to the visible light band of the specific image; then, in step S4, the determining unit 213 receives the specific image and determines whether the specific image is located near the external exhibit 10 corresponding to the maximum viewing angle viewed by the user; then, step S5 is performed to determine the unit. 213 determines to output a specific image to the cloud database 22, A preset image is built in the cloud database, and the cloud database 22 receives the specific image filtered by the wearable device 21 and filters the specific image and the preset image. Finally, step S6 is performed. After the cloud database 22 compares the specific image with the preset image, the exhibit navigation information corresponding to the preset image of the specific image is generated, and is output to the display unit 215 to display the navigation information.

In the above embodiment of the present invention, the mask sheet 114 is a mask sheet which can be provided with a specific pattern for partially penetrating the light, for example, a GOBO mask sheet, and the invention is not limited thereto.

In the above embodiment of the present invention, the light emitted by the light source 112 may be invisible light that is not recognized by other human eyes in addition to the infrared light. The light source 112 may be obtained as long as the wavelength band is between 700 and 860 nm. A light emitting diode (LED) or a light bulb that emits high-power infrared light, and the invention is not limited thereto.

In the above embodiment of the invention, the visible light band range is about 400 to 700 nm.

In the above embodiment of the present invention, the wireless transmission mode is a transmission mode conforming to the network communication protocol, and the wireless transmission system is, for example, Ethernet, WiFi, 2.5G or 3G, and the present invention is not limited thereto.

In the above embodiments of the present invention, the wearable devices 12 and 21 are, for example, eyeglasses or head-mounted devices, and the invention is not limited thereto.

In the above embodiment of the present invention, the type and number of patterns can be designed and set according to user requirements, and the invention is not limited thereto.

In the embodiment of the present invention, by the configuration determining units 123 and 213 in the wearable devices 12 and 21, by determining which external exhibits are within the maximum viewing angle range currently viewed by the user, in other words, the user can be actively determined. The external exhibits 10 are viewed so that the orientation problem can be solved without solving the positioning problem, and at the same time, the automatic navigation can be achieved without the user having to input the identification code of the exhibit or the rapid scanning of the exhibits by using the mobile device. The response code does not need to be printed on paper or guided by a person, so the navigation system 1 and 2 of the present invention are faster and more convenient than the existing navigation method; further, the image generating device 11 is unrecognizable for the projection human eye. The infrared rays are applied to the external exhibits 10, so that the user's visual perception of the external exhibits 10 is not affected.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The above description should be understood and implemented by those skilled in the relevant art, so that the other embodiments are not disclosed. Equivalent changes or modifications made under the spirit shall be included in the scope of the patent application.

1‧‧‧Navigation System

10‧‧‧ exhibits

11‧‧‧Image generating device

12‧‧‧Wearing device

121‧‧‧ Receiving unit

122‧‧‧Filter unit

123‧‧‧judging unit

124‧‧‧ comparison unit

125‧‧‧Display unit

Claims (4)

A navigation system comprising: an image generating device that generates a specific image that is unrecognizable by a human eye and projects the specific image to an external exhibit, wherein the image generating device further comprises: a casing; a light source Surrounding the housing for emitting an infrared light; a focusing sheet disposed in front of the light source and spaced apart from the light source for focusing the infrared light emitted by the light source; a mask sheet disposed parallel to the front of the focusing sheet and spaced apart from the focusing sheet, the mask sheet having a pattern for generating the specific image; a first focusing sheet disposed in parallel with the mask a front side of the sheet, and spaced apart from the mask sheet for adjusting a focal length of the specific image; and a second focus sheet disposed in parallel with the first focus sheet, and the first The focus sheet is separated by a distance for adjusting a focal length of the specific image; and a wearable device is configured to allow a user to view the external exhibit through the wearable device to receive the specific image, and determine the specific image. Is it located? The maximum angle of view corresponding to the user premises near the outside exhibits, a plurality of the preset image of a specific image with the built-in comparison, than the output corresponding to the one particular image navigation information, to serve The user views the navigation information on the wearable device, wherein the wearable device further includes: a receiving unit having an input end and an output end, the input end receiving the user viewing the projection on the external exhibit a specific image and visible light of an external environment; a filter unit having an input end and an output end connected to the output end of the receiving unit, the input end of the filter unit receiving the specific image After the visible light is filtered, the visible light is filtered out, and the specific image is outputted at the output end; a determining unit has an input end and an output end, and the input end is connected to the output end of the filter unit, The input end of the determining unit receives the specific image, and determines whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user; a comparison unit, An input end and an output end are connected to the output end of the judging unit, the comparison unit is built with the preset image, and the input end of the comparison unit receives the filtered visible light After the specific image, comparing the specific image with the preset image, and outputting the navigation information corresponding to the specific image at the output end; and a display unit, one end of which is connected to the comparison unit The output receives and displays the navigation information. A navigation system comprising: an image generating device that generates a specific image that is unrecognizable by a human eye and projects the specific image onto an external exhibit; and a wearable device for allowing a user to wear through the wearer The device displays the external exhibit to receive the specific image, determines whether the specific image is located in the vicinity of the external exhibit corresponding to the maximum viewing angle viewed by the user, and outputs the specific image after determining, the wearable device further includes: a receiving unit having a first input end, a second input end, a first output end and a second output end, the first input end receiving the specific image projected by the user on the external exhibit The visible light of the external environment, the second input end receives the navigation information output by the cloud database, the first output end outputs the specific image and the visible light, and the second output end outputs the navigation information; a mirror unit having an input end and an output end connected to the first output end of the receiving unit, after receiving the specific image and the visible light, the visible Light filtering, and outputting the specific image at the output end; a determining unit having an input end and an output end connected to the output end of the filter unit, receiving the specific image, and determining Whether the specific image is located near the external exhibit corresponding to the maximum viewing angle viewed by the user; a sending unit having a first input end, a second input end, a first output end, and a second output end; The first input end is connected to the output end of the determining unit, and after receiving the specific image that filters out the visible light, the specific image is sent to the cloud database at the first output end to perform the specific image. Comparing with the preset image, the second input end is connected to the second output end of the receiving unit, receiving the navigation information output by the receiving unit, and the second output end outputs the navigation information; and a display unit, one end of which is connected to the second output end of the sending unit, and receives the navigation information output by the sending unit; and a cloud database, which is wirelessly connected to the wearable device, and the cloud database is built in After a preset number of images, for receiving the transmitted image of the particular wearable device, and the plurality of preset image than the specific image, and outputs the same to the particular one of the images in FIG preset Like one of the navigation information to the wearable device, the wearable device displays the navigation information. According to the navigation system of claim 2, wherein the cloud database transmits the navigation information to the receiving unit, and the transmitting unit transmits the specific image to the cloud database as a wireless transmission method. . A navigation method includes the steps of: generating a specific image that is unrecognizable by a human eye, and the specific image that is not recognized by the human eye corresponds to and projected on a specific external exhibit; receiving a specific image that is not recognized by the human eye and The visible light of an external environment is received by a wearable device worn by the user when the external exhibit is viewed by a user; the visible light is filtered out; and the specific image that is not recognized by the human eye is determined to be located The vicinity of the external exhibit corresponding to the maximum viewing angle viewed by the user; and a plurality of preset images that are not recognized by the human eye and built in; wherein, when the specific image that the human eye cannot recognize When one of the preset images is the same, one of the navigation information corresponding to the preset image is generated.