TW201207786A - Map, positioning apparatus, positioning system and method thereof - Google Patents

Abstract

A map, a positioning apparatus, a positioning system and a positioning method thereof are disclosed. The positioning method is suitable for a positioning system having the map and the positioning apparatus, and includes the following steps of: capturing a map image based on a map by a image capturing unit; providing a location information based on a current location of the positioning apparatus by a satellite positioning unit; receiving the map image and decoding a 2D barcode to take out a map information by a control unit; when the location information is in the map image determined by the control unit, forming and transmitting a projected signal to a projection unit; and forming a projected point based on the projected signal, and pointing the projected point on the map by the projecting unit.

Description

201207786 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a map, a positioning device, a positioning system and a method thereof, in particular to a projection point projected on a paper map according to a current position Positioning system and method therefor. [Previous Technology·] [0002] At the end of the 21st century, where digital information is highly digitized, I believe that the universal screen is no stranger to the one-dimensional barcode. The one-dimensional barcode is composed of multiple black bars and Gongbai with different widths. , ?, a certain coding rule is selected, used to express a set of information graphic recognition elements, convenient to distinguish drugs or prepare for quick reading. One-dimensional barcodes are commonly used in various items in supermarkets to indicate the manufacturing period, item name, manufacturer, etc. of the items; they are also commonly used on books to indicate the classification number, category, and date of publication. However, the one-dimensional bar code can only hold 13 Arabic numerals and is subject to data capacity.

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Form No. Α0101 Page 4/Total 28 099126014 0992045622-0 201207786 Ο [0004] [0005] ❹ [0006] 099126014 On the map. Even if the current navigation machine is quite convenient, you can go to any place you want to reach. “There are many problems in the forest or country guidance route, for example: Ming Mu, | Forest or Country It is difficult to supplement the power of the navigation machine; since the error of the navigation machine is about to fly within 10 feet, the route of action in the forest must be refined. 'Otherwise, the difference is a thousand miles. In addition, many users are still learning>匮Use paper maps or maps on travel books as a place to search for aunt, marry. But on the paper map, the brother is looking for the current location of the user to tell + +, ^ Tian Hao, so provide a map, positioning device, The positioning system and the method thereof are extremely urgent. [Invention] In view of the above-mentioned problems of the prior art, the present invention provides a map, a positioning device, a positioning system, and the like. Dan Wan went to solve the inconvenience of the prior art to search for a location on the map by the human eye. According to the purpose of the present invention, a map is proposed, which has different settings. A: = bar code and a plurality of anchor points' two-dimensional bar code system records map of map information. In accordance with the purpose of the present invention, it is further noted that the i-in-clamping device </ RTI> includes - the image capturing a few satellites. Control 罝 _ + control early 兀 and a single shot single shot - the image capture unit, the satellite positioning unit and the image also contain two images _ unit system according to the target operation - image, image 1 material dimension bar code The system is based on the location of the positioning device. The control unit receives the image to obtain the image information image and decodes the one-dimensional bar and according to the position of the message and the image information with the form number eight _ 岍 苐 页 5 pages / a total of 28 pages 201207786 whether the information is located in the image . When the control unit determines that the location information is located in the image, the control unit generates a projection signal according to the location information, and transmits the projection signal to the projection unit, so that the projection unit generates a projection point according to the projection signal to mark the target object. In accordance with the purpose of the present invention, a positioning system is further provided that includes a map and a positioning device. The map is provided with one or two different barcodes and a plurality of anchor points, and the two-dimensional barcode records one map information of the map. The positioning device is electrically connected to an image capturing unit, a satellite positioning unit and a projection unit by a control unit. The image capture unit captures a map image based on the map. The satellite positioning unit provides a location information based on the location of the positioning device. When the control unit receives the map image transmitted by the image capturing unit and the location information transmitted by the satellite positioning unit, the two-dimensional barcode is decoded to obtain the map information. Then, the control unit determines whether the location information is located in the map image based on the location information and the map information. When the control unit determines that the location information is located in the map image, the control unit generates a projection signal according to the location information, and transmits the projection signal to the projection unit, so that the projection unit generates a projection point according to the projection signal to be marked on the map. [0008] wherein the map information includes a latitude/longitude value and a range thereof, a map size, and information of each anchor point. [0009] wherein the image capturing unit further extracts another map image according to the map of the marked projection point, and the control unit further analyzes the relative positional relationship between the projection point and each positioning point on the other map image to generate another The projection signal is transmitted to the projection unit. When the projection unit receives another projection signal, another projection point is generated according to another projection signal to be marked on the map. 099126014 Form No. A0101 Page 6 of 28 0992045622-0 201207786 [0010] wherein, the two-dimensional barcode is a Quick Response C〇de (QR code), a portable data slot 417 code (Portable) Data File 417 Code, PDF417 Code)' — One of the Hanshin codes or the Quick Mark Code. [0011] wherein, a plurality of positioning points are disposed on each corner of the map. [0012] wherein the material of the map may be a paper, a paper coated with heat-sensitive ink or a paper coated with a fluorescent paint. [0013] wherein the location information may be a longitude value and a latitude value.

[0014] wherein, the projection unit is a white light source, an ultraviolet light source or a heating light source. [0015] According to the purpose of the present invention, a positioning method is further provided. The positioning method is applicable to a positioning system, and the positioning method comprises: capturing a map image according to the map by the film capturing unit, and transmitting the image through the satellite positioning unit according to the positioning device. The location provides a location information, and the control unit receives the map image and decodes the two-dimensional barcode to obtain the map information' and determines whether the location information is located in the map image according to the map information by the control unit. When the control unit determines that the location information is located in the map image, the control unit generates a projection signal according to the location information, and finally receives the projection signal by the projection unit and generates a projection point according to the projection signal to be marked on the map. [0016] wherein the projection unit generates the projection point to be marked on the map, and further includes the steps of: capturing another map image according to the map of the marked projection point by the image capturing unit, and then analyzing another map by using the control unit; The relative positional relationship between the projection point and each positioning point on the image to generate another projection signal, and another projection signal cover projection unit is transmitted, and then received by the projection unit 099126014 Form No. A0101 Page 7 / Total 28 Page 0! 201207786 A projection signal is generated, and another projection point is generated according to another projection signal to be marked on the map. [0017] further comprising the step of projecting a white light source, an ultraviolet light source or a heating light source onto the map by the projection unit to generate a projection point. [0018] As described above, the map, the positioning device, the positioning system and the method thereof according to the present invention may have one or more of the following advantages: [0019] (1) the map, the positioning device, the positioning system and The method can project a projection point on the map to correspond to the current position of the user by using the positioning device, thereby solving the problem that the user searches for the current position on the map. [0020] (2) The map, the positioning device, the positioning system and the method thereof can project a projection point on the map according to the user's requirement, thereby saving the power of the positioning device, thereby solving the problem of the conventional navigation machine power consumption. . [0021] (3) The map, the positioning device, the positioning system and the method thereof can automatically adjust the position of the projection point projected on the map by using the correction module, thereby improving the accuracy of the projection point. Embodiments [0022] Please refer to FIG. 1 , which is a block diagram of a positioning system of the present invention. In the figure, the positioning system 1 comprises a map 10 and a positioning device 11. The positioning device 11 is electrically connected to an image capturing unit 110, a satellite positioning unit 111 and a projection unit 113. The control unit 112 further includes an identification module 1121 and a decoding module 1122. The two-dimensional barcode 101 and the plurality of positioning points 102 are arranged, and the two-dimensional barcode 101 records the map information of the map 10. The map information includes an image size and information of each positioning point 1 0 2 . , one of the points on the map 1 0 longitude 099126014 Form No. A0101 Page 8 / Total 28 Page 0992045622-0 201207786 Ο Ο Value and a latitude value and the range of latitude/longitude values included in this map 10, each of which The information of the locus 102 includes a longitude value and a latitude value. When the user wants to mark the current position of the user on the map 1 by using the handheld positioning device, firstly, the user can use the image capturing unit 110 on the positioning device to capture a map image according to the map 10. 〇1. Then, the satellite positioning unit 111 provides a location information according to the location of the positioning device 11, wherein the location information is a longitude value and a latitude value of the location of the positioning device, since the user is very close to the positioning device 11, The position of the visual positioning device 11 is the current position of the user. Then, the recognition module Π21 receives the map image 1〇〇1 transmitted from the image capturing unit no, and recognizes the map image 1001 to determine whether the ground image 1 is: 1 is valid. When the recognition module 1121 determines that the map image 1 〇〇 1 is valid, the decoding module 丨丨 22 decodes the two-dimensional barcode 1 〇 1 on the map image 1 〇〇 1 to obtain map information. Next, the control unit 112 determines whether the location information of the current location is located in the map image 1001, that is, the control unit 112 is based on the map information obtained after decoding the two-dimensional bar 101, that is, the range of the latitude/longitude value. To determine whether the location information is located in the map image 1001, so as to confirm whether the current location of the user is located on the map V. When the control unit 112 determines that the location information of the current location is located in the map image 〇〇1, the control unit 112 generates a projection signal π 31 according to the location information to the projection unit 113 ′ so that the projection unit Π 3 generates a signal according to the projection signal 11 31. The projection point is not marked on the map 1 〇. [0023] The above-mentioned identification module 1121 is configured to recognize whether the two-dimensional barcode 101 and at least two positioning points 102 are included in the map image 1001 as a basis for determining whether the map image 1001 is valid. 099126014 Form No. A0101 Page 9 / Total 28 Page 0992045622-0 201207786 [Remuneration (four) image coffee list to take the four to the standard shot point on the map 10 'may be because the user moved or shakes I in the process In the figure, the position of the projection point is inaccurate, in order to avoid the error of the position of the projection point, the control unit 112 further includes a correction module 1123, which is an analysis image capturing unit 11 〇 at different times according to the ground S1° The relative position of the 'projection point and each anchor point 102' on the captured other map image is used to generate another _projection. Then, the projection unit 70113 generates another projection point according to the other projection signal to be marked on the map, and according to the above, the correction module 1123 continuously generates another projection signal to solve the problem of moving or shaking the map. The problem that the projection point is inaccurate' and since the image age unit 110 image map image 1001 to the correction module 1123 generates another projection signal for a very short time, the naked eye can hardly perceive the change of the projection point continuously, so that The green point can mark the projection point of the current position on the map 10. Among them, the 2D barcode can be called: Quick Response Code (Quick Re_

Sponse Code, 〇p ^ , N code), portable file 417 code (P〇rtableDataFile4i7c〇de, pDF4i7c〇de), Hanxin code or Quick Mark Code. [Caf, wherein the image capturing unit 11Q can be a camera, a camera or an electronic device having an image capturing function. The satellite positioning unit iu can be a navigation device or an electronic device with built-in global satellite positioning function. The positioning device 11 can be a camera phone with a global satellite positioning function and a function of recognizing a two-dimensional bar code. However, those skilled in the art can arbitrarily combine the image capturing unit and the satellite positioning unit to generate a positioning device, and look at the design. Convenient. 099126014 Form No. A0101 Page 10 of 28 0992045622-0 201207786 [0027] Please refer to FIG. 2, which is a first embodiment of the positioning system of the present invention. In this embodiment, the positioning device is a PerS°nal Digltal Asslstant (PDA). The personal assistant 2 has built-in functions of photographing, projecting, globalizing the K-bit and recognizing the two-dimensional code. First of all, the personal digital assistant 2_—the image acquisition unit takes the map 2G, and the image manipulation unit draws the map image according to the ground attack. As shown in the figure, 'the map 2G is provided with different stacks - 2D strip side 1 and a plurality of anchor points (202, 2Q3) 'The number of anchor points can be one, which is only an example, but the above is only an example, but Not limited to this. In the figure, the lower left corner of the map 20 is provided with a money bar, and an anchor point (202, 203) is provided in each of the upper left corner and the lower right corner of the ground attack, wherein the two-dimensional barcode 201 is implemented by a quick response code. The map information of the map 2J, the map information includes a latitude/longitude value and its range, an image size and information of each anchor point, and the information of each anchor point (202, 203) includes a longitude value and a latitude value. [0028] ❹

Please refer to FIG. 2 and FIG. 3A together. When the personal digital assistant 2 takes the map 20 and provides a *r map image according to the map, the map image is displayed on the display screen 21 of the personal digital assistant 2. on. Next, the personal digital assistant 2 uses the identification module to recognize whether the map image is valid. As shown in the figure, the map image includes only one positioning point 202 and one two-dimensional barcode 201. Since the positioning system of the present invention requires at least two positioning points to distinguish the direction of the map image, the identification module determines The map image is invalid, that is, when the map image contains only one anchor point and one two-dimensional barcode, the identification module cannot determine whether the direction of the map image is positive or skewed, so the identification module judges This map image is invalid. Please refer to Figure 2 and 3B 099126014 together, Form No. A0101

11 11/28 I 0992045622-0 201207786 Figure 'As shown in the figure 'Display the map image through the display screen on the personal digital assistant 2' The map image contains 2 anchor points (2〇2, (10) and part 2D barcode 2 (Π 'Because the information of the 2D barcode is not complete enough, the decoding module cannot decode the 2D barcode 2〇1 and obtain the map information, so that the control unit cannot judge whether the current position of the user is located in the map image. The positional splitting of the present invention cannot obtain map information to generate a projection point 2〇4' on the map to display the current position of the user. Please read the figure as shown in the figure, through the personal digital assistant. 2 display rong 21 display map image, map image Λ contains 2 positioning points (202, is the identification module can be based on 2 positioning points (10) 2, _ judge this map image is valid 'and dismissed' to finish The money 2 _ code 2 financial decoding to obtain the map information 'to enable the control unit to generate - the projection signal, and then the projection unit on the personal digital assistant 2 generates a projection point according to the projection signal, thereby indicating the current position of the user on the map, The firing unit can be a projector 22, the projection s 22 can project a _ self-color light source, an ultraviolet light source or a heating light source onto the map 20 to generate a projection - 2 〇 4 on the map, as the user can The positioning line of the invention is turned into a way of automatically and quickly projecting the current position, thereby saving power of the positioning device, solving the problem that the conventional navigation machine consumes power and is difficult to replenish power. [0029] It is worth mentioning that The material of @ can be -_...coated with thermal induction 'paper from ink or paper coated with fluorescent paint. Since the projection unit is a white light source, - an ultraviolet light source or a heating light source, therefore, when projecting A single 7L projection UV-lighted map can be generated on the map - a fluorescent projection point; when the projection unit projects a heating source to the coating 099126014 'single number Α 0101 page 12 / 28 pages 〇992〇45622-〇201207786 [0030] 〇 [0032] The map of the thermal sensing ink can generate a thermal sensing projection point on the map, and when the projection unit projects the white light source onto the map, a white light refraction can be generated on the map. Point. But The invention does not limit the material of the map and the projection light source emitted by the projection unit. Please refer to Fig. 4, which is a schematic view of a second embodiment of the positioning system of the present invention. The structure of the map is substantially the same as that of the first embodiment. The difference between the two is that the positioning device further includes a viewing angle projection unit that projects a fixed range of light. In the embodiment, the viewing angle projection unit is an infrared projection lamp 23, as shown in the figure, The projection lamp 23 can project a projection point of four viewing angles, so that the user can position the projection point of the four viewing angles on the map 20, thereby adjusting the distance between the image capturing unit and the map 20, so that the personal digital assistant 2 The built-in image capture unit can take off the ground to produce the best map image. However, those skilled in the art can arbitrarily adjust the projection range and number of the viewing angle unit, and look at the convenience of the design. Although the foregoing concept of the slewing positioning method of the present invention has been described in the foregoing description of the positioning system of the present invention, it will be described in detail below for the sake of clarity. Please refer to FIG. 5, which is a flow chart of the steps of the positioning method of the present invention. The positioning system includes - map and bit splitting, the map is set with different ones - one-dimensional bar code and a plurality of fixed (four), two-dimensional bar code is used to record map information of the map, the positioning device comprises an image capturing unit, a satellite positioning The unit, the - (four) unit and the projection unit, and the control unit comprises an identification module and a decoding module. As shown in the figure, the positioning method includes the following steps: 099126014 Form number Α 0101 Page 13 / 28 pages 0992045622-0 201207786 [0033] S51: The image capturing unit captures a map image according to the map; [0034] S52: Providing a position information according to the position of the positioning device through the satellite positioning unit; and then receiving the map image transmitted by the image capturing module by the identification module, [0035] S53: identifying the map image by using the identification module to determine the map image If the recognition module determines that the map image is valid, proceed to S54, otherwise proceed to S 51; [0036] S 5 4: decoding the two-dimensional barcode of the map image by the decoding module to obtain map information; [0037] S55: determining, by the control unit, whether the location information is located in the map image; when the control unit determines that the location information is located in the map image, proceeding to S56; otherwise, performing S51; [0038] S56: generating, by the control unit, a projection signal according to the location information And then receiving, by the projection unit, the projection signal transmitted by the control unit; and [0039] S57: generating, by the projection unit, a projection point according to the projection signal to be marked on the mapFurther, as shown in Fig. 6, it is a flow chart of the steps of adjusting the projection point of the positioning method of the present invention. After step S57, the following steps are further included: [0041] S61: capturing another map image according to the map of the marked projection point by the image capturing unit, [0042] S62: analyzing another by using a correction module The relative positional relationship between the projection point and each positioning point on the map image to generate another projection signal; and 099126014 Form No. A0101 Page 14 of 28 0992045622-0 201207786 [0043] S63: Receiving another projection signal by the projection unit And generate another projection point according to another projection signal to be marked on the map. [0044] The detailed description of the function and operation of the components in the above steps is the same as that of the positioning system of the present invention, and will not be described herein. [0045] In summary, the map, the positioning device, the positioning system and the method thereof of the present invention enable the control unit to generate a projection signal by decoding the two-dimensional barcode on the map to obtain the location information provided by the map information and the satellite positioning unit. And generating a projection point through the transmissive unit to be marked on the map, thereby effectively solving the time-consuming problem of the user searching the current location on the map with the naked eye. [0046] The foregoing is illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS [0047] Fig. 1 is a block diagram of a positioning system of the present invention. Figure 2 is a schematic illustration of a first embodiment of a positioning system of the present invention.

Q Figure 3A is the first schematic image of the map image shown in Figure 2 on the display screen. Fig. 3B is a second schematic view showing the map image of Fig. 2 displayed on the display screen. Fig. 3C is a third schematic view showing the map image of Fig. 2 displayed on the display screen. Figure 4 is a schematic illustration of a second embodiment of the positioning system of the present invention. Figure 5 is a flow chart showing the steps of the positioning method of the present invention. Figure 6 is a flow chart of the steps of adjusting the projection point of the positioning method of the present invention. 099126014 Form No. A0101 Page 15 of 28 0992045622-0 201207786 [Description of main component symbols] [0048] 1 : Positioning system 10: Map 1 0 01 : Map image 101 : 2D barcode 102 : Positioning point 11 : Positioning device 110 : Image capturing unit 111 : Satellite positioning unit 112 : Control unit 1121 : Identification module 1122 : Decoding module 1123 : Correction module 113 Projection unit 1131 · Projection signal 2: Personal digital assistant 20: Map 201: Two-dimensional barcode 202 and 2 03: Positioning point 204: Projection point 21 · Display screen 22: Projector 23: Infrared projection lamp S51 to S57 and S61~S63: Step Flow 099126014 Form No. A0101 Page 16 / Total 28 Page 0992045622-0

Claims (1)

201207786 VII. Patent application scope: 1. A map, which is provided with one of two non-overlapping two-dimensional barcodes and a plurality of positioning points, wherein the two-dimensional barcode records one map information of the map. 2. The map of claim 1, wherein the plurality of anchor points are located on each corner of the map. 3. A map as claimed in claim 1, wherein the map is made of a paper, a paper coated with heat-sensitive ink or a paper coated with a fluorescent paint. 4. The map of claim 1, wherein the two-dimensional barcode is a Quick Response Code (QR code) and a portable data file 417 code (Portable Data File 417 Code, One of PDF417 Code), a Han code or a Quick Mark Code. 5. The map of claim 1, wherein the map information comprises a latitude/longitude value and a range thereof, an image size, and information of each of the anchor points, a positioning device, comprising: The image capturing unit captures an image according to a target, the image includes a two-dimensional barcode and a plurality of positioning points, wherein the two-dimensional barcode records image information of one of the images; a satellite positioning unit Providing a location information according to the location of the positioning device, a control unit electrically connecting the image capturing unit and the satellite positioning unit, receiving the image and decoding the two-dimensional barcode to obtain the image information, and According to the image information, it is determined whether the location information is located in the image, when the 099126014 form number A0101 page 17 / 28 pages 0992045622-0 201207786 control unit determines that the location information is located in the 兮 你 you + 贝 1孓 ° Like the _, the control unit generates a projection signal according to the location information; a projection unit is electrically connected to the control unit, receives the projection signal, and generates a projection signal according to the projection signal - to indicate projection point on the object. For example, if the application (4) is set (4), the image information includes the latitude/longitude value and its range, the _image size, and the information of each of the anchor points. The positioning device according to claim 6, wherein the image manipulation unit further extracts another image according to the target that has been marked with the projection point, and the control sheet 7L analyzes the other one. a relative positional relationship between the projection point and each of the positioning points on the image to generate another projection signal and transmitted to the projection unit. When the projection unit receives the another projection signal, another projection is generated according to the another projection signal. Point to mark on the target. 9. The positioning device of claim 6, wherein the projection unit is a white light source, an ultraviolet light source or a heating light source. 10. The positioning device of claim 6, wherein the two-dimensional barcode is a Quick Rekponse Code (QR code) and a Portable Data File 417 Code (Portable Data File 417 Code, PDF417 Code), one Han code or one of Quick Mark Code. 11. The positioning device of claim 6, wherein the position information is a longitude value and a latitude value. 12. A positioning system, comprising: a map set with one of two non-overlapping two-dimensional barcodes and a plurality of positioning points, and the two-dimensional barcode system records one map information of the map, a positioning device, including · 099126014 Form No. A0101 Page 18 of 28 0992045622-0 201207786 Image capture unit 'Based on the map record _ map image; T satellite positioning unit, according to the location of the positioning device provides - location information - control unit, Electrically connecting the imaging unit with the satellite positioning unit to receive the map image and decompress the two-dimensional barcode to obtain the map information 'and according to the map information_position information is located in the map, = the control Unit Lin purely allocates funds to the secret material, the control unit generates a projection signal based on the position information; and Ο 13 14 ❹ 15 16 . - a projection unit, which is connected to the (4) K, wires the projection signal, and according to the projection signal Generating a __projection point to be marked on the map. For example, the patent system refers to the positioning system described in paragraph 2 of the patent, wherein the map information includes a latitude/longitude value and The locating system of claim 12, wherein the image capturing unit further extracts another map image according to the map that has been marked with the projection point. The control unit further analyzes the relative positional relationship between the projection point and each of the positioning points on the another map image to generate another projection signal and transmits the same to the projection unit, and when the projection unit receives the another projection signal, According to the another projection signal, another projection point is generated to be marked on the map. The positioning system of claim 12, wherein the two-dimensional barcode is a quick response code (Quick ReSp〇nSe Code, QR Cocje), a Portable Data File 417 Code (PDF417 Code), a Han code or a Quick Mark Code, as described in claim 12 The positioning system, wherein the plurality of positioning points are disposed on each corner of the map. 099126014 Form No. A0101 Page 19 / Total 28 Page 0992045622-0 201207786 17 . 18 . 19 . The positioning system of claim 12, wherein the map material is paper, heat-sensitive ink paper on t or paper coated with a light-resistant paint. &amp; The positioning system, wherein the position information is a longitude value and a latitude value. The positioning system of claim 12, wherein the projection unit is a white light source 'an ultraviolet light source or a heating light source . a positioning method, which is suitable for a positioning system, the positioning system comprises a map and a positioning device, the map setting 1 is different from each other - a two-dimensional barcode and a plurality of positioning S, the two green code records the map a map information, the positioning device comprises an image capturing unit, a satellite positioning unit, a control unit and a projection unit, the positioning method comprises the following steps: capturing, by the image capturing unit, a map image according to the map Providing, by the satellite positioning unit, location information according to the location of the positioning device; receiving, by the control unit, the map image and decoding the two-dimensional barcode to obtain the map information; and the control unit fine-cuts the location according to the map information Whether the information is located in the map image, and when the control unit determines that the location information is located in the map image, the control unit generates a projection signal according to the location information; and receives the projection signal by the projection unit, and according to the The projected signal produces a projection point to be marked on the map. The positioning method of claim 20, further comprising the step of projecting a white light source 'an ultraviolet light source or a heating light source onto the map with the projection unit to generate the projection point. 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 After the map is displayed, the method further includes: performing, by the image capturing unit, another map image according to the map that has been marked with the projection point; and analyzing, by the control unit, the projection point on the another map image a relative positional relationship with each of the positioning points to generate another projection signal; and receiving the other projection signal by the projection unit, and generating another projection point according to the another projection signal to be marked on the map. The positioning method according to claim 20, wherein the map information includes a latitude/longitude value and a range thereof, a map size, and information of each of the positioning points. m The positioning method described in claim 20, wherein the two-dimensional barcode is a Quick Response Code (QR code) and a Portable Data File 417 Code (Portable Data File 417 Code, PDF417) Code), a Han code or a Quick Mark Code: one of them. The positioning method according to claim 20, wherein the material of the map is a paper, a paper coated with heat-sensitive ink or a paper coated with a fluorescent coating. The positioning method according to claim 20, wherein the position information is a longitude value and a latitude value. 099126014 Form No. A0101 Page 21 of 28 0992045622-0