WO1996013000A1

WO1996013000A1 - Lin code chinese character input method

Info

Publication number: WO1996013000A1
Application number: PCT/CN1995/000081
Authority: WO
Inventors: Bing Lin
Original assignee: Bing Lin
Priority date: 1994-10-24
Filing date: 1995-10-24
Publication date: 1996-05-02
Also published as: CN1116334A; JPH10507556A; CN1050914C; AU3740095A

Abstract

LIN Code chinese character input method is an invention refer to method of chinese character input on key board and hand writing on-line input by researching result for chinese character structure and property. This invention uses chinese character form on paper for keyboard and input board, men-made operating region of input device is divided corresponding with parts of chinese character, thereby the encode system will reduce difference between hand-writing and pushing down keys. It is easy to study and it has high efficiency for input chinese characters, and may resolve some difficult question of chinese character input of computer.

Description

Forest code Chinese character input method Technical field

The invention relates to a computer Chinese character input method in the field of computer Chinese information processing. Background

Computers play a huge role in human society today. The popularity of computers in China depends to a large extent on the level of computer processing of Chinese character information, including input and output of Chinese characters, retrieval of Chinese taro interest, and understanding of Chinese. Chinese character input is currently the most popular field. Computer Chinese character input has three main aspects, namely computer Chinese character keyboard input, Chinese voice input, online handwritten Chinese character recognition input and optical Chinese character recognition input. Among them, Chinese character keyboard input technology is dominant at this stage.

Chinese characters are ideographic characters. Unlike Western pinyin characters, Chinese characters are complex and large in number. It is very difficult to enter Chinese characters. After years of efforts, a Chinese character encoding scheme and input system have been developed. Kanji keyboard input has become possible. However, completely satisfactory input schemes have not yet been developed. To truly achieve the goals of easy learning, use, and efficiency, further research is needed.

Chinese characters have the attributes of sound, form and meaning. All Hannian schemes are based on these attributes. According to the characteristics used, the input schemes can be divided into phonetic codes, shape codes, and phonetic codes. Each scheme has strengths and weaknesses.

At present, Chinese character input technology is developing in both horizontal and vertical directions. Horizontal is single-word input, and the goal is to be easy to learn, efficient, and standardized; vertical is word, word, and sentence input. Through intelligent processing, the contradiction between easy to learn and efficient is solved.

The pronunciation characteristics of Chinese characters are relatively simple, there are many words, but not many sounds, so there are many single codes of phonetic codes.

The glyph characteristics of Chinese characters are very complicated, and they can be understood differently from different angles, leading to a large number of glyph schemes. There are many glyphs, many features, many codes, few heavy codes, hard to learn, and hard to remember.

In the following, several common Chinese character encoding schemes are taken as examples to perform performance analysis and comparison.

The phonetic code input method uses the pronunciation features of Chinese characters to encode; it is easy to master, but the recoding is high, and although the recoding rate can be reduced by intelligent means, 铕 is large, the effect is limited, it is difficult to type blindly, and the speed is slow; the requirements for Chinese pinyin are high, there are regional and age restrictions; and the use in large character sets is limited.

The stroke coding method divides the strokes into several categories according to different forms. According to the writing order of the strokes, the Chinese characters are encoded and inputted one by one. It is easy to master and can be entered when the Chinese characters are written. However, the encoding efficiency is very low. Long.

The Wubi font coding scheme is a root-type coding. According to the frequency of use of Chinese character roots, the roots are selected and classified, and key positions are assigned, and the entire word input is completed by "root-shaped spelling". The characteristic is the root key positions. After memorizing, the input speed is fast, and the problems are:

1. It has many roots and a large memory burden;

2. The selection of more than 200 first-level radicals is based on statistics. The allocation of radical keys is determined according to the "compatibility principle". The so-called compatibility has a certain statistical range. It is included in the character sets GB2312-80 and ISO10646. The statistical results must be different, that is, the roots that are compatible in GB may not be compatible in ISO, and the result will cause the change of the recoding rate;

3. The input of second-level radicals and non-root radicals should be split into first-level radicals. The regularity and standardization of the splitting process are not strong, and the splitting is ambiguous;

4. The last font identification code is difficult to grasp and use.

The Zheng code Chinese character encoding scheme is a root-type encoding. It introduces the design ideas of the main root and the auxiliary root. It has certain adaptability to large character sets. The input speed is fast after the root is memorized. The problems are:

1. The introduction of the main root and the auxiliary root is to solve the compatibility problem of word roots in a wide range, but the coding and key position design of the auxiliary root is difficult to remember;

2. The root key arrangement is not easy to locate and cannot be combined with the theory of ergonomics;

3. The input of non-Yiding radicals and single words needs to be split into main roots or sub-roots. The splitting is ambiguous and difficult to grasp.

In short, the crux of the difficulty in encoding Chinese characters is that the glyphs of Chinese characters are complex and diverse, and the essential laws are difficult to find. Various coding schemes extract the characteristics of Chinese characters from different levels and different sides, and encode Chinese characters accordingly. The current situation is:

1. Many schemes are repetitive labor at the same level and there is no essential difference;

2. The feature extraction and utilization of Chinese characters in different schemes are incomplete and unscientific.

Various existing schemes apply the two-dimensional features between the roots and strokes of Chinese characters. Insufficient, the last-stroke font identification code of Wubi font is designed for the two-dimensional features of Chinese characters, but the effect is not ideal and it is not easy to grasp.

Summary of the Invention

In view of this situation, the task of the present invention is:

1. Solve the conflict between easy-to-learn and easy-to-use and high efficiency in Chinese character coding, and find an efficient coding scheme that has both the ease of learning of stroke codes and pinyin codes, and the root code of characters;

2. Reduce the difference between handwriting and keystroke;

3. Make the coding process consistent with human thinking habits;

4. Make the coding comply with the text specifications;

5. Make coding consistent with ergonomic research results;

6. Establish a unified and complete text characterization system to meet the needs of various text symbols in large character sets.

The general idea of the present invention is that: since Chinese characters can be split, and the writing area on paper can also be divided into character grids, the panel surface of the keyboard should also be divided; Chinese characters can be split into multiple levels, and character grids can be split into multiple levels. The keyboard can also be divided in multiple levels. The time and space characteristic attributes of the Chinese character composition unit can be reflected by the time and space characteristic attributes of the keyboard composition partition, thereby achieving the purpose of Chinese character keyboard input.

Overview of the drawings

Figure 1. Schematic diagram of manual operation area of input device.

Sleepy 2. Schematic diagram of the upper and lower partitions.

Figure 3. Schematic diagram of left and right partitions.

Sleepy 4. Schematic diagram of two partitions.

Figure 5. One-way stroke classification is sleepy.

Figure 6. Schematic diagram of bidirectional stroke classification.

Figure 7. Schematic classification of stroke positions.

Figure 8. Schematic diagram of keyboard partition and stroke position.

Figure 9. Keyboard partition and left and right stroke positions.

Figure 10. Schematic diagram of stroke type 1 key position.

Figure 11. Schematic diagram of stroke-type keys (with folded strokes). Figure 12. Schematic diagram of stroke 3 key position (with folded strokes).

Figure 13. Stroke Type 1 keys are sleepy.

Fig. 14. Schematic diagram of stroke 3 key position (root 1).

Figure 15. Stroke type 4 key (root 2) type is sleepy.

Figure 16. The dimorphic glyph structure is sleepy.

Figure 17. Schematic diagram of the three-body glyph structure.

Figure 18. Schematic diagram of the local structure of Chinese characters (the relationship between the first and second roots).

Figure 19. Schematic diagram of keypad operation sequence and glyph knot.

Figure 20. Schematic diagram of radical position classification.

Sleepy 21. Schematic diagram of root, root position and keypad.

Best Mode of the Invention

The present invention is described in detail below with reference to the appendix and the embodiments.

In order to achieve the above-mentioned task, the present invention makes in-depth and comprehensive analogical research on the inherent characteristic attributes of paper, pen, key, and character, and the relationship between these things. Subtle and objective correspondences exist in composition structure, time attribute, and space attribute. Using this correspondence, a new Chinese character coding style is formed.

In order to write Chinese characters well, the predecessors summarized many methods. One of them is to use the character form in the early stage of learning to write Chinese characters. The use of character grids can help beginners better understand the structure of Chinese characters, and reasonably adjust the layout of Chinese character parts. There are many types of character grids, such as Tian grid, Tic-tac-toe, and Mi grid. Character lattices are also widely used in other fields, such as the four-line lattice used in English calligraphy; the five-line language and the six-line cymbal used in music;

Chinese characters are sleepy on a two-dimensional plane. Each character root and each stroke are not completely independent, but are related to each other. This is reflected in the relative position of them. The purpose of the grid is to determine this positional relationship. A simple example can illustrate the importance of the positional relationship between radicals and strokes. The first strokes of the three characters "Wang", "Wood", and "Lin" are horizontal. In isolation, they are the same, but from the overall perspective of the characters, there are differences between them. If someone writes one of the three characters in a tic-tac-toe box, we can determine which character he is going to write just by writing the first stroke. In the above example, why can you make a judgment based on a stroke? In addition to the background knowledge of the structure of Chinese characters, the character grid plays a great role in it. It limits the spatial position of a stroke. Any stroke is matched with other strokes above and below to form a whole. word. Without a grid, it's hard to judge on a white paper. By the same token, an I] graph can represent a certain pitch only in the five-line grid.

The writing process is to write on the paper one stroke at a time, one character at a time; the typing process is to tap on the keyboard surface with a key. Characters can be drawn on paper, can "characters" be drawn on the keyboard, so that "writing" can be done on the keyboard?

The idea of the invention is to move the characters on the paper onto the keyboard.

The character grid on paper divides a writing space into thousands of small areas, and each area and area has a specific spatial position and positional relationship. This positional relationship can exist with the components and components of Chinese characters. The spatial positional relationships correspond to each other.

There should also be "character grids" and Chinese characters on the keyboard to establish similar correspondence.

Through research, the present invention makes analogies on Chinese characters and keyboards in three aspects:

1. In structure, according to the principle of objective object separability, Chinese characters and keyboard can be divided into lower-level constituent sheep positions;

2. In space, Chinese characters are plane and sleepy, with flat features. The keyboard is arranged on a flat surface and also has flat features.

3. In time, the components of Chinese characters are written in chronological order, and the keys of the keyboard are also in chronological order when they are operated.

To sum up, the general idea of the present invention is: Since Chinese characters can be split, and the writing area on paper can also be divided into character grids, the panel surface of the keyboard should also be divided; Chinese characters can be split in multiple levels. The grid can be divided in multiple levels, and the keyboard can also be divided in multiple levels. The time and space characteristic attributes of the Chinese character composition unit can be reflected by the time and space characteristic attributes of the keyboard composition partition, thereby achieving the purpose of Chinese character keyboard input.

After the keyboard is partitioned, the interval between Chinese character components is very simple and natural, which also provides greater freedom for the Chinese character feature code table. For a single character, the stroke characteristics or other characteristics of the character can be stored in the code table; for a combined character, only the character can be stored. The radical sequence information and the radical position information may be the sum of the full features of all component parts or the sum of the features of some parts when inputting the combined word. Dynamic combination coding makes Chinese character coding very flexible.

The concept of a character grid can also be introduced into a handwriting input device. A whole-word handwriting input area on the handwriting panel is divided into thousands of sub-areas, and each area corresponds to the spatial position of a Chinese character component, and is written into the corresponding sub-area according to the position of the stroke when writing. The introduction of character grids can simplify the writing process. It is not necessary to be strict, and can allow the choice of strokes.

According to the research of the present invention, papers, ordinary keyboards and handwriting input pads, as well as on-screen keyboards, soft keyboards, touch screens, digitizers, and other computers are provided with a common feature. They are all tools for recording or sensing spatial locations. Or change of position performance information or conversion information. The difference is that the accuracy of position perception is different to meet the needs of different applications. The accuracy of the keyboard is low, but it is easy to locate; the accuracy of the handwriting input board is high, and it is not easy to accurately locate when writing. The characters on the paper can be directly applied to the handwriting input board, and some modifications are required when applied to the keyboard, which will be described in detail below. When typing, a group of keys on the keyboard representing the same position but different stroke directions is reduced to a region on the handwriting input board, and this region can represent different stroke directions. In other aspects, such as the computer's internal code table lookup conversion process is similar. Therefore, the invention essentially unifies the handwriting of Chinese characters and the manipulation of keystrokes. The present invention can also be used to input other text symbols, such as Japanese kana; English letters can also be split into stroke segments, which can be input using the present invention.

In the drawings, FIG. 1 is a manual operation area of an input device, which can be a keyboard panel, a handwriting input board, and the like. Sleepy 1 is to partition the manual operation area up and down. Figure 3 shows the left and right partitions of the artificial work area. Figure 4 shows the partitioning of the manual operation area up, down, left, and right.

It can be considered that the division of the operating area in Figs. 1 to 4 is to transplant the concept of character on paper to a computer input device. Three embodiments are described below to illustrate their use.

Example 1:

Project name: stroke type

Technical characteristics: The stroke characteristics of Chinese characters are directly used. When the Chinese characters are coded and input, they can be used when writing, which is easy to grasp. Scheme sub-categories: There are four sub-categories for this scheme, namely:

Stroke 1 type; Stroke 2 type; Stroke 3 type; Stroke 4 type Coding method:

Features used for encoding:

Stroke 1 type: stroke direction + folding stroke form + key position; stroke 2 type: stroke direction + (folding stroke form) + upper and lower pen position + key position;

Stroke type 3: stroke direction + (folded stroke form) + left and right pen position + key position;

Stroke type 4: stroke direction + (folded stroke form) + vertical and horizontal stroke position + key position;

Features use:

Stroke orientation, Figure 5: The stroke orientations of one-way strokes are summarized into four categories, namely: horizontal, vertical, skimming, and 捺. Each category contains Ruoqian patterns, such as: horizontal lifting, 捺 point, and so on.

Shapes of folding strokes, Figure 6: The double-stroke strokes are folding, and the different shapes of folding are determined according to the number of stroke direction changes and the orientation of the initial stroke. They can be classified as: one-fold, two-fold, and three-fold; Vertical fold, skim fold, fold. This plan divides one fold into four types: horizontal fold, vertical fold, skimming, and fold. The two folds and the three folds are not subdivided, and the three folds also include folding strokes whose direction changes more than three times. This classifies strokes into 10 categories.

If necessary, you can also categorize the folding strokes into one type.

Pen position, sleepy 7: The relative positional relationship of the strokes on the plane to get the position in the vertical direction is classified into three levels: top, middle, and bottom. The strokes are classified as:

Upper stroke: The relative position of the starting point of the stroke is the highest; Middle stroke: The relative position of the starting point of the stroke is lower than the upper stroke;

Lower stroke: The relative position of the starting point of the stroke is lower than the middle stroke; Parity strokes: If the positions of thousands of strokes are the same.

The relative position of the stroke on the plane is related to the horizontal position, which can be classified into two types: left and right. The strokes are categorized as-left stroke: the relative position of the starting point of the stroke is the leftmost; right stroke: the relative position of the starting point of the stroke is the leftmost; parity stroke: if the position of the thousand strokes is the same. There are two types of pen positions: 1. pen position in the root; 2. pen position in the whole word.

Keypad, Figure 8, Sleepy 9: Use the plane position of the keyboard partition to reflect the plane position of the strokes, and arrange a keypad for each type of stroke position.

Root order: When fetching codes, the root order is determined according to the order in which the Chinese characters are written: first root, second root, and last root.

Key arrangement:

Stroke 1 type, Figure 10: 10 kinds of strokes are arranged in the middle row of keys; Strokes are classified according to direction, and folding strokes have various forms;

Stroke type 2, Figure 11, Figure 13: Add up and down stroke features, arrange the stroke direction code in the upper, middle, and lower three rows of key positions, and fold stroke styles are available;

Stroke type 3, Figure 12, Figure 14: Add the left and right pen position features, arrange the stroke direction code at the left and right key positions, and fold the stroke form to choose from;

Stroke type 4, Figure 15: Use the up, down, left, and right pen position features to arrange the stroke direction codes in the upper, middle, and lower rows of the left and right sides. Code access method:

Method 1. Sequential extraction, coding, input

Method 1. Select some strokes to reduce code length and improve efficiency:

Single character: The first two strokes of the single character + the last stroke are repeated once the two-character characters: the first first stroke + the first last stroke + the second first stroke + the second last stroke Sanxiu: first stroke + first stroke + second stroke + last stroke

Polysyllabic: first stroke + second stroke + third stroke + last stroke

If the root is less than two strokes, repeat;

Vocabulary input method: Two-character words are given the first two digits of each word; three-character words are given the first two digits, and the remaining characters are given the first digit; words with more than four characters are given the first three digits and the last digit.

Input prompt: During the input process, the prompt line on the computer screen will display relevant Chinese characters at any time, when the Chinese characters to be input are displayed. You can choose to confirm. If the encoding is not finished, you can continue to enter the encoding. Coding example:

Code access method

Strokes

Middle:, one off, one, I

Country: I, one fold, one, one, I ,,, one, one

Stroke type 2:

Medium: Medium I, middle fold, next, up 1

Country: up I, up one fold, up one, middle one, up one down,, next, middle one

Folding strokes in coding can be easily classified into one category;

Stroke type 3:

Center: left I, left one fold, left one, right I

Country: left I, left one off, left one, left one, right 1 right, left one, left one

The folding strokes in the coding can be selected into one category;

Stroke type 4:

Center: left center I, center left, bottom left, top right I

Country: top left I, top left, top left one, center left one top right bottom right, bottom left, center left one

Code access method 2: Stroke 1:

Middle: I, Yizhe, Han ―, Jin,,

Word one fold, one fold. One

Stroke type 1

Medium: Medium! Middle fold, up I, up 1

Country: Previous I Middle One, Previous, Next

Han: Up, down, up, down, up,

Words: up, middle fold, previous fold, next

Folding strokes in coding can be easily classified into one category;

Stroke type 3:

Middle: left I, left one fold, right 1, right f

Country: left 1, left one, left one, left one

Han: Left,, left one, right one fold, right,

Words: right, left, one fold left, one fold right, one left

Folding strokes in coding can be easily classified into one category;

Stroke type 4:

Middle left, middle left, top right, top right, country I: top left, center left, top left, bottom left, top left, bottom left, top left, top left, character: top right, center left JL, top right, left next Example 2:

Project name: radical

Technical features: The feature extraction part is basically the same as the stroke type, the difference is that the Chinese character keyboard is partitioned, and the Chinese character roots are entered in different key areas. The root partition input enables the coding efficiency to be improved without increasing the coding difficulty.

Scheme details:

Radical type 1; radical type 2;

Coding method: Features used for encoding:

Root 1 type: stroke direction + root position + key position;

Root type 2: stroke direction + pen position + root position + key position + (root frequency); characteristic use:

The characteristics of the pen direction, pen position, and root order are basically the same as those in the first embodiment.

Root position: The relative position on the plane between the roots of Chinese characters is critical, forming a Chinese character. The positional relationship between taro roots is related to the number of roots.

Single word: contains a radical component;

Erti: Contains two radical parts. The relationship between the two radicals is classified as left, right, up and down, and enclosing, which is shown in Figure 16. The enveloping knots include the form of Qianqian, which can be classified into two categories: left and right, and up and down; trisyllabic characters: contains three root parts. The position of the three radicals is an extension of the above two-character structure, and can also be classified into left, right, up, and down, as shown in Figure 17. The enclosing structure includes Ruoqian form, which can be classified into left and right and up and down classes;

Polysyllabic characters: Contains more than four radical components. The position of radicals varies greatly, but they can be classified similarly to the above.

The above is the overall glyph structure of Chinese characters. This solution will use a local knot relationship of Chinese characters. This is the position relationship between the first and second roots of Chinese characters, as shown in Figure 18. It can be summarized as left and right closes and up and down tables.

Keypad: The keyboard is divided into thousands of sub-regions, echoing the split of Chinese characters.

First-level keypad: Corresponds to the root level of Chinese characters. When the radical changes, the first-level keypad changes with the change. The keypad change is a natural interval between the root codes. Secondary keypad: Corresponds to the stroke level of Chinese characters. If the pen position changes, the secondary keypad changes accordingly.

Keypad operation sequence, Figure 19: The combination of keypad changes involved in one input. The number of radicals determines the number of keypad changes; the position of the first and second roots determines the order of keypad operations. Root frequency: The radicals are classified according to the frequency of use, and the code key positions are arranged. One-, two-, and three-level roots can be assigned one key, two keys, and three keys, respectively, to improve input efficiency;

Root frequency, root bit, and keypad relation: The most commonly used roots generally have a fixed relative position, which can be summarized as:

Left radical: Generally there are radical parts on the right side, such as:;, Right radical: Generally there are radical parts on the left side, such as: 'J, 夂;

Upper radical: Generally there are radical components on the lower side, such as:, Lower radical: Generally there are radical components on the upper side, such as: '.-,,

;

Figure 20; therefore, the ^ code arrangement of common roots can be considered in combination with the keypad, Figure 21. The use of high-frequency radical keys will slightly change the keypad operation sequence, for example: "Rong", the standard operation sequence is right and left, and the use of high-frequency radical keys will change to right, left and right.

Key arrangement:

Radical 1 type: as shown in sleepy 14. The keyboard surface is divided into two areas, left and right, and 5 types of strokes are arranged on the middle row of each area.

Radical Type 1: As shown in Figure 15. The keyboard surface is divided into two areas, left and right. Five strokes are arranged on the upper, middle, and lower rows of keys in each area.

Code access method: Way 1.

Single character: the first two strokes of a single character + the last stroke repeats the second character: the first first stroke + the first last stroke + the second first stroke + the second last stroke

Three-character characters: first first stroke + first last stroke + second last stroke + last last stroke

Polysyllabic: first stroke + second stroke + third stroke + last stroke

If the root is less than two strokes, repeat;

The single word is entered in one of the left and right keypads;

Multifaceted input involves multiple transformations between keypads, Figure 15.

Vocabulary input method: Two-character words take the first two digits of each word; Three-character words take the first two digits of the first word, and the remaining words take the first digit; Four words or more vocabulary take the first three digits and the last digit.

Method 2. Use dynamic combination coding. In the code table, the complete characteristics of single words and radicals are stored, and the sequence and root bit information of combined words are stored. It can be flexibly configured when input. For example, if you enter the word "lin", you can enter any one of the first two, three, or four strokes of the left root in the left area, and then enter any one of the first two, three, or four strokes of the right root in the right area. In order to reduce the double code, the short code can be assigned according to the frequency of use of the radical. .

Radical Type 1:

Center: Left or right area: 1, 1, 1, 1

Country: right area: 1, 1, one; left area: ","

Han: Left area: ,, a; Right area: L,,

Word: Right area:,; Left area: —

Root type 2: Center left or right: center 1, center C, top 1, top

Country right area: up 1, middle one; left area: up, next

Han Left: Up,, Next; Right: Up, Up,

Word Right: Up,, Middle Left: Up, Next

Code access method 2:

Radical Type 1:

Center: Left or Right: 1,, 1, 1

Country: Right area: 1, —; Left area:, 'Han: Left area:,,,,, one; Right area:, Character: Right area:,,,,,; Left area:] Root type 2:

Middle: Left or Right: Middle 1, Next, Country: Right: Upper 1, Upper, Middle 1; or

Left: Previous, Middle One, Upper 1

Han: left area: up,, middle,, next; or

Right area: up, up,

Word: Right area: up,, middle,, middle or —

Left area: upper, middle 1, next embodiment 3:

Project name: Phonetic code

Technical characteristics: The pronunciation features of Chinese characters are added to the embodiments 1, 2 to reduce the recoding rate of the phonetic code by using simple stroke features.

Scheme details:

Shape 1 type; Shape 2 type;

Coding method:

Features used for encoding:

Phonetic type 1: Initials + features in the previous embodiment; Phonetic type 2: Initials + finals (double spelling) + features in the previous embodiment;

Feature use: Same as the previous embodiment. Key arrangement: The initials correspond directly to the Chinese character keyboard, where zh, ch, sh can be replaced by i, u, v.

The Shuangpin scheme is currently relatively mature, and the more common technology is used to allow users to use their familiar Shuangpin scheme through custom methods.

Code access method:

Phonetic shape type 1: The first code is the initial, the other is the same as the previous scheme; Phonetic shape type 2: The first two codes are the phonological double spelling, the other is the same as the previous scheme. Industrial applicability

Advantages and effects of this solution:

1. Use keyboard characters to naturally distinguish the encoding of each radical and reflect the positional relationship between the radicals. It not only fully uses the characteristics of the radicals without increasing the difficulty of encoding, but also retains the efficiency of radical-type encoding;

2. You can use keyboard characters to describe the strokes of Chinese characters, make full use of the planar features between strokes, overcome the shortcomings of traditional stroke-type coding inefficiencies, and retain the ease of learning of stroke-type coding;

3. The use of keyboard characters reduces the difference between handwriting and keystroke, which conforms to human thinking habits, conforms to text specifications, and conforms to the results of ergonomic research;

4. The character grid of the handwriting input board can reduce the number of strokes and improve the input efficiency and recognition rate;

5. Use dynamic combination code table to make coding flexibility, redundancy and code length combination change more;

6. Strong ability to describe and classify, can be used for encoding input of various characters in large character sets.

Claims

Rights request

1. A Chinese character input method, which uses analogy research methods to apply characters on paper to the field of computer Chinese character input, divides Chinese characters into several levels of components, and divides the keyboard into sub-thousand-level partitions. Each level of Chinese character component and each level of keyboard partition have characteristic attributes, and establish a corresponding relationship between these attributes, so as to form a Chinese character encoding system.

2. The method according to claim 1, characterized by the following steps:

A. The Chinese character glyphs are split to obtain a whole Chinese character to the basic constituent elements of the Chinese character—strokes of thousands of layers of Chinese character components are tied together, where high-level components are composed of low-level components Make up

B. The keyboard surface is divided into different levels to obtain a basic composition element from the keyboard surface to the keyboard-a keyboard system consisting of thousands of layers of keys, where the high-level areas are composed of low-level areas;

C. The division of the keyboard area corresponds to the division of the Chinese character components, and the coding of a certain level of Chinese character components is completed in the corresponding keyboard area.

3. The method according to claim 1, characterized by using the following steps-

A. There is a relative position key on the plane between the Ruoqian Chinese character components in the same level, and this relative position key is grouped into Ruoqian type;

B. There is a relative positional relationship on the plane between the Ruoqian keyboard partitions in the same level, and this relative positional relationship is grouped into several categories;

C. Correspond to the plane relative position key summarized from the keyboard face and the plane relative position key summarized from the Chinese character glyph, so that the various plane position keys on the keyboard reflect the various plane position keys on the Chinese character.

4. The method according to claim 3, characterized in that the relative position in the horizontal direction of the sibling or / and the Japanese component in the Chinese character is closed. ^β , "

5. The method according to claim 4, wherein the attribute of a Chinese character stroke is used when encoding a Chinese character, characterized in that one of the following is used:

Α. According to the vertical position of the starting point of the stroke in the vertical direction, the relative position relationship between the strokes of Chinese characters is summarized as: upper, middle, lower and par According to this, the strokes of Chinese characters are classified into: upper strokes, middle strokes, lower strokes, and strokes at the same position as co-located strokes;

B. According to the horizontal position of the starting point of the stroke in the horizontal direction, the relative positions of the strokes of the Chinese characters are summarized as: left, right, and parity; the strokes of the Chinese characters are classified as follows: Left strokes, right strokes, and strokes at the same position are the same strokes;

C. A and B; (see Figure 7).

6. The method according to claim 5, characterized in that one of the following is used:

A. Arrange the strokes of the upper, middle, and lower three levels on the keyboard's upper, middle, and lower rows of keys (Figure 8);

B. Arrange the strokes at the left and right positions on the left and right side of the keyboard (Figure 9);

C. A and B.

7. The method according to claim 6, wherein the following steps are used:

A. According to whether the strokes of Chinese characters are single, the strokes are divided into one-way strokes and double-direction strokes;

B. For unidirectional strokes, classify them according to their directions;

C. For the strokes with multiple directions, classify the strokes according to the direction of each segment and the number of times the direction changes.

8. The method according to claim 7, characterized in that the following steps are used:

A. One-way strokes can be summarized into four categories: horizontal, vertical, skimming, and 捺 (Figure 5), transfer to B or

C;

B. classify the strokes of the double direction into E, transfer to E;

C. The number of directional strokes is divided into: one fold, two fold, and three fold;

D. Multi-directional strokes are divided according to the initial stroke segment: horizontal folding, vertical folding, skimming, and folding (figure

6);

E. Arrange the stroke direction feature code on the key position (Figure 10 to 15).

9. The method according to claim 1, wherein the following steps are used:

A. Chinese characters are divided into root parts, and the Chinese characters are divided into: single characters, two-characters, three-characters, and multi-characters according to the number of root components;

B. Divide the keyboard panel into two or more sub-regions;

C. The input of single taro is completed in a keyboard sub area. Alternate transformations between sub-regions are performed. The transformation of the sub-regions is used as the natural interval for the encoding of each character.

10. The method according to claim 9, characterized by using the following steps-

A. classify the glyph structure of Chinese characters according to the relative plane positional relationship between the root components in the Chinese characters;

B. Inductive sequences of keyboard subregions;

C. Establish corresponding relations between various operation sequences and various glyph structures in the subregion.

11. The method according to claim 10, wherein the following steps are used:

A. According to the positional relationship between the first and second roots of Chinese characters, the local structure of Chinese character glyphs can be summarized into left and right structures and upper and lower structures (Figure 18);

B. Divide the key surface of the ordinary keyboard into two left and right keypads, each keypad contains 15 key positions, which are the 3 X 5 keyboard areas controlled by the left and right hands respectively;

C. The operation sequences of the left and right keypads are summarized as: left, right, left and right, left and right, left and right, left and right, etc .;

D. Correspond to the keypad operation sequence and the glyph structure-single character: left, right;

Left and right structure: left and right, left and right, etc .;

Up and down knots: right and left, right and left, etc .;

The number of radicals determines the number of keypad changes, and the glyph structure determines the first keypad (Figure

19).

12. The method according to claim 11, wherein the following steps are used:

A. Determine a set of high-frequency radicals according to the frequency of radical use;

B. According to the relative position relationship between high-frequency radicals and other radicals in Chinese characters, they are classified as left taro roots, upper roots, right roots, and lower roots (Figure 20);

C. Arrange the left radical and the lower radical in the left key area, and arrange the upper radical and the right radical in the right area (sleepy 21);

D. According to the high-frequency root key position, adjust the relationship between certain glyphs and keypad sequences.

13. The method according to claim 2, 6, 11, 12 characterized by the following steps:

A. Split Chinese characters into radicals, then divide radicals into strokes, and then switch to B or Person C;

B. Divide the keyboard into left and right partitions, arrange the stroke direction codes in the left and right partitions (Figure 12, Figure 14), and enter the stroke direction sequence to combine radicals or single characters and switch to E;

C. Dividing the left and right partitions into three sub-regions: upper, middle, and lower;

D. Arrange the stroke direction codes in the upper, middle, and lower areas of the left and right partitions. The upper, middle, and lower represent the positional relationship of the strokes in the radical. );

E. Enter radicals in the left and right partitions. The changes in the partitions are used as the intervals between the radicals. The entire word is combined by inputting a sequence of radicals with position information.

14. A method for constructing and using a Chinese character dynamic combination code table, which is characterized by:

A. The code table stores the descriptive characteristics of the single word and the radical component;

B. The code table stores the radical sequence and glyph structure of the combined word;

C. The keyboard input operation involves several areas, and the operations in each area generate relatively independent codes, and use them as the character description codes of radicals or single characters, and look them up in the sheep character and root component feature tables. After obtaining the set of thousands of roots, look it up in the Chinese character root sequence and glyph structure table to determine whether it can be combined into a whole word, and output the combined result.

15. The method according to claim 14, characterized in that:

A. The single-character and root-component description features are related to the direction of the stroke and the relative position between the strokes;

B. The glyph structure of the combined word is related to the relative position of the first root and the second root.

16. According to any one of the preceding claims 1 to 15, the method for encoding Chinese characters can be applied to all ordinary keyboards, non-standard keyboards, screen soft keyboards, handwriting input pads, digitizers, touch screens, etc. A device that records, senses, inputs, and communicates spatial location information, and inputs Chinese characters and other text symbols.