JP2900720B2 - Map terminal and display method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a map terminal which realizes a navigation function by displaying a map on a portable terminal.

[0002]

2. Description of the Related Art In a conventional map terminal, a detailed map is searched from a rough map in order to determine an area of a map to be displayed.

[0003]

However, in the above-described configuration, when referring to a simple map or when the location is not known, the location cannot be easily limited and a detailed map can be searched. It was difficult.

[0004] In view of the above problems, the present invention limits the necessary area by recognizing the written characters even if a map of an inaccurate scale such as a handwritten map or a schematic map is taken. And a terminal capable of searching a detailed map.

[0005] In addition, it is possible to output a map obtained by synthesizing the captured simple map and the read detailed map.

[0006] Further, in a simple map taken in,
When the current position comes to the area to be switched and displayed with the detailed map, or when the terminal user instructs it, the display can be switched and displayed.

[0007]

In order to solve the above-mentioned problems, a map terminal according to the present invention comprises a map input unit for inputting a simple map whose scale is not accurate, such as handwriting, and a map input unit for inputting a map. From the map, a recognition unit for extracting and recognizing a character or symbol serving as a mark for limiting an area, a map data storage unit storing a detailed map corresponding to character / symbol information serving as a mark, and the recognition unit An area determining unit that compares the detected character symbol information of several places with the data of the map data storage unit and determines the area of the input simple map, and stores the map of the area determined by the area determination unit in the map data storage. And a map extraction unit to be read from the unit.

The map input section has a communication processing function, and has a function of inputting a simple map by a telewriting function, a memo function, a facsimile function, or the like.

There is provided a map output section for outputting a map obtained by combining the simple map fetched by the map input section and the detailed map read by the map extraction section.

In the simple map taken in by the map input unit, there is provided a combination determining unit for determining a portion to be combined.

As a method of deciding a part to be combined in the combination deciding section, a simple map taken in by the map input section is surrounded by character / symbol information of several recognized characters and symbols taken in the recognition section. An instruction is given to synthesize a rectangular area containing characters that could not be recognized by the recognizing unit or character / symbol information that could not be searched by the area determination unit even when compared with the map data storage unit.

The map output unit changes the scale or deforms the portion so as to fit the portion determined by the synthesis determining unit into the detailed map portion read by the map extracting unit. Output the map.

Further, in order to switch to the display of the portion determined by the combination determining section, a frame memory for storing in the memory the area to be combined determined by the combination determining section and the detailed map read by the map extracting section. And a position detection unit for detecting the current position in navigation, an instruction unit for giving an instruction from the outside, and a display unit for displaying a map.

[0014]

According to the present invention, the following operations are performed by the above configuration.

The map input unit takes in a simple map whose scale is not accurate, such as handwriting. The map input unit includes:
A communication processing function can be provided, and a function of inputting a simple map can be provided by a telewriting function, a memo function, a facsimile function, or the like. The recognizing unit extracts characters and symbols serving as landmarks for determining an area from the map input by the map input unit and performs recognition. The map data storage unit stores a detailed map corresponding to character symbol information serving as a mark. The area determination unit compares the character symbol information of several places detected by the recognition unit with the data of the map data storage unit,
The area of the input simple map is determined. The map extraction unit reads a map of the area determined by the area determination unit from the map data storage unit and outputs the map.

The map output section outputs a map obtained by synthesizing the simple map captured by the map input section and the detailed map read by the map extraction section.

The combination determining unit determines a portion to be combined in the simple map captured by the map input unit.

In order to switch to the display of the part determined by the combination determining unit, the frame memory stores the area to be combined determined by the combination determining unit and the detailed map read by the map extracting unit in the memory. I do. The position detection unit detects a current position in navigation. The instruction unit issues instructions from outside. The display unit displays a map.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a map terminal according to one embodiment of the present invention will be described.
This will be described with reference to the drawings.

(Embodiment 1) FIG. 1 is a block diagram of a map terminal having a function of displaying a detailed map from a handwritten simple map in Embodiment 1 of the present invention. In FIG. 1, reference numeral 1 denotes a map input unit which captures a simple map whose scale is not accurate, such as handwriting. 2 is a recognition unit,
Characters and symbols serving as landmarks for determining an area are extracted from the map captured by the map input unit 1 and recognized. Reference numeral 3 denotes a map data storage unit which stores a detailed map corresponding to character symbol information serving as a mark. Numeral 4 denotes an area judging unit which stores information on several characters and symbols detected by the recognizing unit.
To determine the area of the input simple map. Reference numeral 5 denotes a map extraction unit which reads a map of the area determined by the area determination unit 4 from the map data storage unit 3 and outputs the map.

The operation of the map terminal configured as described above will be described with reference to FIG.

The terminal operator inputs a simple map into the map input unit 1 in order to extract a detailed map from a simple map such as handwriting. At that time, using the communication processing function of the map input unit 1, the telewriting function, the memo function, the FA
A simple map can be input using the X function or the like.

Next, the recognizing unit 2 extracts characters and symbols serving as markers for determining the area of the map from the simple map captured by the map input unit 1 and performs recognition. Then, the area determination unit 4 compares the character / symbol information of several places extracted by the recognition unit 2 with the data of the map data storage unit 3 to determine the area of the map input to the map input unit 1. As a result, the map extractor 5 reads out a detailed map of the area determined by the area determiner 4 from the map data storage 3 and outputs the map.

As described above, if a simple map such as a handwritten map contains several characters for specifying a location, it can be recognized to limit the area and read a map corresponding to the area from the database. Yes, it is effective as a terminal that reads maps.

(Embodiment 2) FIG. 2 is a block diagram of a map terminal according to Embodiment 2 of the present invention. here,
The same components as those shown in FIG. 1 are denoted by the same reference numerals. In FIG. 2, reference numeral 1 denotes a map input unit which captures a simple map whose scale is not accurate, such as handwriting.
Reference numeral 2 denotes a recognizing unit that extracts characters and symbols serving as landmarks for limiting an area from the map captured by the map input unit 1 and performs recognition. Reference numeral 3 denotes a map data storage unit which stores a detailed map corresponding to character information information serving as a mark. Reference numeral 4 denotes an area determination unit which compares the character information of several places detected by the recognition unit with the data of the map data storage unit 3 to determine the area of the input simple map. Reference numeral 5 denotes a map extracting unit, and an area determining unit 4
The map of the area determined in step 3 is read from the map data storage unit 3 and output. Reference numeral 6 denotes a combination determination unit that determines a portion to be combined in a simple map captured by the map input unit 1. Reference numeral 7 denotes a map output unit, which combines and outputs a portion to be combined determined by the combination determination unit 6 and detailed map information created by the map data extraction unit 5.

The operation of the map terminal configured as described above will be described with reference to FIG.

The terminal operator inputs a simple map into the map input unit 1 in order to extract a detailed map from a simple map such as handwriting. Next, the recognition unit 2 performs recognition by extracting characters and symbols serving as landmarks for limiting the map area from the map captured by the map input unit 1. And
The area determination section 4 compares the character / symbol information of several places extracted by the recognition section 2 with the data of the map data storage section 3 to determine the area of the map input to the map input section 1. As a result, the map extraction unit 5 reads out the map of the area determined by the area determination unit 4 from the map data storage unit 3 and outputs the map.

The combination determining section 6 determines a portion to be combined in the simple map taken in by the map input section 1. In the synthesis determination unit 6, the characters that could not be recognized in the recognition unit 2 and the map data storage unit 3 in the area determination unit 4.
The position on the map to be read by the map information extracting unit 5 is determined from the positional relationship between the character and symbol information that could not be searched for on the map even by comparing with the character information of several places detected by the recognizing unit 2. .

The map output section 7 combines the simple map obtained by the map input section 1 with the area determined by the synthesis determination section 6 and the detailed map created by the area determination section 5 to operate the terminal. To the person.

Here, a method of combining in the map output unit 7 will be described with reference to FIG. FIG. 4 is an explanatory diagram of a method of synthesizing a map according to the present invention. Reference numeral 20 denotes a display device. Reference numeral 21 denotes a detailed map read by the map data extraction unit 5, and reference numeral 22 denotes a simple map captured by the map input unit 1. An area 23 is described in detail in the map input unit 1. Reference numeral 24 denotes an area corresponding to a part of the map indicated by reference numeral 23 in the detailed map taken in by the map determination unit 5.

The method of FIG. 4 will be described. In the simple map 22, an area 23 obtained by cutting out an area described in detail such as a destination is an area 23. The area corresponding to this area 23 on the detailed map 21 is 24. Here, the region 23 is processed in correspondence with the ratio of the region 24, and is processed into the region 2
This is a method of synthesizing in the part of No. 4.

As described above, a terminal that reads out an easy-to-understand map by limiting the area of a simple map from the position of the character that could not be recognized or the character and symbol information that could not be searched on the map and combining it with a detailed map. It is valid.

(Embodiment 3) FIG. 3 is a block diagram showing a map terminal according to Embodiment 3 of the present invention. here,
The same components as those shown in FIG. 2 are denoted by the same reference numerals. In FIG. 3, reference numeral 1 denotes a map input unit which captures a simple map whose scale is not accurate, such as handwriting.
Reference numeral 2 denotes a recognizing unit that extracts characters and symbols serving as landmarks for limiting an area from the map captured by the map input unit 1 and performs recognition. Reference numeral 3 denotes a map data storage unit which stores a detailed map corresponding to character information information serving as a mark. Reference numeral 4 denotes an area determination unit which compares the character information of several places detected by the recognition unit with the data of the map data storage unit 3 to determine the area of the input simple map. Reference numeral 5 denotes a map extracting unit, and an area determining unit 4
The map of the area determined in step 3 is read from the map data storage unit 3 and output. Reference numeral 6 denotes a combination determination unit that determines a portion to be combined in a simple map captured by the map input unit 1.

Reference numeral 8 denotes a frame memory, which stores the area to be combined determined by the combination determining unit 6 and the detailed map read by the map extracting unit 5 in the memory. Reference numeral 9 denotes a position detection unit which detects a current position in navigation. 10
Is an instruction unit for giving an external instruction. A display unit 11 displays a map.

The operation of the map terminal configured as described above will be described with reference to FIG.

The terminal operator inputs a simple map into the map input unit 1 in order to extract a detailed map from a simple map such as handwriting. Next, the recognition unit 2 performs recognition by extracting characters and symbols serving as landmarks for limiting the map area from the map captured by the map input unit 1. And
The area determination section 4 compares the character / symbol information of several places extracted by the recognition section 2 with the data of the map data storage section 3 to determine the area of the map input to the map input section 1. As a result, the map extraction unit 5 reads out the map of the area determined by the area determination unit 4 from the map data storage unit 3 and outputs the map. The combination determining unit 6 determines a portion to be combined in the simple map captured by the map input unit 1.

In the area to be synthesized determined by the synthesis determining unit 6,
When the current position detected in the navigation comes, or when the terminal user selects the area by input from the instruction unit 10, the area to be synthesized determined by the synthesis determination unit 6 and the map extraction unit 5 read the area. By switching the frame memory 8 holding the outputted detailed map, the portion determined by the combination determining unit 6 is displayed on the display unit 11.

[0038]

As described above, according to the present invention, even if a simple map includes several places in which a local name can be limited, it is detected by using the recognition function. The area of the map can be determined from the positional relationship between the several places.

[Brief description of the drawings]

FIG. 1 is a block diagram of a map terminal according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a map terminal according to a second embodiment of the present invention.

FIG. 3 is a block diagram of a display method according to a third embodiment of the present invention.

FIG. 4 is an explanatory view of an embodiment of a method for synthesizing a map according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Map input part 2 Recognition part 3 Map data storage part 4 Area judgment part 5 Map extraction part 6 Composition determination part 7 Map output part 8 Frame memory 9 Position detection part 10 Instruction part 11 Display part 20 Display device 21 Detailed map 22 Simple Simple map 23 Combined area in simple map 24 Area corresponding to area 23 in detailed map

──────────────────────────────────────────────────続 き Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G08G 1/0969 G01C 21/00 G09B 29/10

Claims (8)

(57) [Claims] 1. A map input unit for inputting a simple map whose scale is not accurate, such as handwriting, etc., and extracting and recognizing characters and symbols serving as landmarks for limiting an area from the map input by the map input unit. And a map data storage unit storing a detailed map corresponding to the character symbol information serving as a mark, and comparing the character symbol information of several places detected by the recognition unit with the data of the map data storage unit, A map comprising: an area determining unit that determines an area of an input simple map; and a map extracting unit that reads a map of the area determined by the area determining unit from the map data storage unit and outputs the map. Terminal. 2. The map input unit has a communication processing function.
The map terminal according to claim 1, wherein a simple map is input by a telewriting function, a memo function, a facsimile function, or the like. 3. A map output unit for outputting a map obtained by synthesizing a simple map fetched by the map input unit and a detailed map read by the map extraction unit. Item 2. The map terminal according to Item 1. 4. The map terminal according to claim 3, further comprising a combination determining unit that determines a portion to be combined in the simple map taken in by the map input unit. 5. Characters that could not be recognized by the recognizing unit or character / symbol information that could not be searched by the area determination unit even when compared with the map data storage unit, From the positional relationship with the character symbol information of several places that could be recognized, the synthesis position on the detailed map read by the map information extraction unit was determined, and the character symbol information that could not be recognized or the character symbol information that could not be searched for The map terminal according to claim 4, further comprising a combination determination unit that instructs to combine only the map information. 6. A method according to claim 1, wherein said synthesizing determination unit is configured to include, in a simple map taken in by said map input unit, information on characters and symbols taken in said recognizing unit, which are surrounded by several recognized character / symbol information. A combination determination unit that instructs to combine a rectangular area containing a character that could not be recognized by the unit or a character / symbol information that could not be searched by the area determination unit even when compared with the map data storage unit. The map terminal according to claim 4, wherein: 7. The map output unit changes the scale or deforms the part in order to fit the part determined by the synthesis determination part into the detailed map part read by the map extraction part. The map terminal according to claim 3, wherein the map terminal is configured to output a synthesized map. 8. A frame memory for storing in a memory a region to be synthesized determined by the synthesis determining unit and a detailed map read by the map extracting unit, a position detecting unit for detecting a current position in navigation, 5. The map terminal according to claim 4, further comprising: an instructing unit that issues an instruction from outside, and a display unit that displays a map. 6. A display method characterized in that, when a user selects by input from an instruction unit, the frame memory is switched to display the part determined by the combination determination unit.