CN113093978A - Input method based on annular virtual keyboard and electronic equipment - Google Patents
Input method based on annular virtual keyboard and electronic equipment Download PDFInfo
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- CN113093978A CN113093978A CN202110430324.9A CN202110430324A CN113093978A CN 113093978 A CN113093978 A CN 113093978A CN 202110430324 A CN202110430324 A CN 202110430324A CN 113093978 A CN113093978 A CN 113093978A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
- G06F3/0219—Special purpose keyboards
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- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention provides an input method and electronic equipment based on an annular virtual keyboard, wherein a plurality of touch keys are arranged into the annular virtual keyboard, when a continuous stroke trigger instruction is received, the annular virtual keyboard is activated by taking an initial trigger point as a center, diversified input information is generated by combined touch of different keys, and the input information is displayed in a blank position in the center of the annular virtual keyboard; according to the method and the device, the annular virtual keyboard is arranged, the input success rate is high, the usability is high, and the single-hand interactive operation on the mobile intelligent terminal is greatly facilitated.
Description
Technical Field
The present disclosure relates to the field of human-computer interaction technologies, and in particular, to an input method based on an annular virtual keyboard and an electronic device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Due to the development of a large screen of the mobile intelligent terminal, the space occupied by both hands of the terminal is larger and larger when a text is input, the input efficiency of inputting the text by one hand of a user is relatively low, the error rate is higher, and the one-hand interaction operation on the mobile intelligent terminal is more and more difficult. The problem of interaction between a user and a mobile intelligent terminal with one hand has been much relevant research in the past decade, and some researchers have confirmed that people often use a thumb or an index finger to operate on a touch screen of an intelligent mobile terminal. In one-handed operation, the user prefers to use the thumb, which is more convenient than using a stylus or index finger.
In interaction with a mobile intelligent terminal, the most common text input is touch input, and a keyboard similar to T9 (namely a 3X 3 layout Sudoku keyboard) is also commonly used on a touch screen of the terminal. The Optidium-T9 keyboard is a keyboard like the T9 that can rearrange the position of the keys to reduce word collisions, but requires multiple clicks by the user to spell the word, which increases thumb fatigue; stroke-based text input is another effective and commonly used text input method on mobile intelligent terminals, and there are some stroke-based text input methods, for example, sharewriter, which support imprecise input, in which a user slides all letters in a word in order on a touch screen keyboard, but such sliding input may output a large number of irrelevant words.
Disclosure of Invention
In order to solve the defects of the prior art, the annular virtual keyboard-based input method and the electronic equipment are provided by the disclosure, and by arranging the annular virtual keyboard, the input success rate is high, the usability is high, and great convenience is brought to single-hand interactive operation on the mobile intelligent terminal.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
the first aspect of the present disclosure provides an input method based on a ring-shaped virtual keyboard.
A method for inputting based on ring virtual keyboard includes arranging multiple touch keys to form ring virtual keyboard, activating ring virtual keyboard by using trigger point as center when click trigger command is received, generating diversified input information by using combination touch of different keys or one or multiple touch of one key and displaying input information at blank position of center of ring virtual keyboard.
Furthermore, the annular virtual keyboard can rotate around the center, and touch keys are selected by sliding of the annular virtual keyboard.
The second aspect of the present disclosure provides an input method based on an annular virtual keyboard, in which a plurality of touch keys are arranged in the annular virtual keyboard, when a continuous stroke trigger instruction is received, the annular virtual keyboard is activated with an initial trigger point as a center, diversified input information is generated by combined touch of different keys, and the input information is displayed in a central blank of the annular virtual keyboard.
Furthermore, a plurality of character combination sequences are obtained according to the touch keys sequentially connected by the continuous strokes, a plurality of candidate words are obtained according to the character combination sequences, and the candidate words are displayed in the blank position in the center of the annular virtual keyboard.
Further, the slide-down and/or slide-up operation is a delete operation;
furthermore, a preset dictionary is set, after input information is received, the whole dictionary is directly read into an array in the input information, when matching is established, all possible combinations are listed, a binary search strategy is used for placing the combinations into a tree map, and frequency ordering is carried out on candidate words.
Further, the annular virtual keyboard comprises at least nine uniformly distributed touch keys, and each touch key has the same format as a standard T9 keyboard.
Furthermore, the touch keys of the annular virtual keyboard are arranged in a clockwise direction, and the touch keys of the standard T9 keyboard are matched with the touch keys of the annular virtual keyboard from left to right from top to bottom.
A third aspect of the present disclosure provides a computer-readable storage medium on which a program is stored, the program, when executed by a processor, implementing the steps in the ring-based virtual keyboard input method according to the first or second aspect of the present disclosure.
A fourth aspect of the present disclosure provides an electronic device, including a memory, a processor, and a program stored on the memory and executable on the processor, wherein the processor executes the program to implement the steps in the ring virtual keyboard-based input method according to the first or second aspect of the present disclosure.
Compared with the prior art, the beneficial effect of this disclosure is:
according to the input method based on the annular virtual keyboard, the plurality of touch keys are arranged into the annular virtual keyboard, when continuous stroke trigger instructions are received, the annular virtual keyboard is activated by taking an initial trigger point as a center, diversified input information is generated by combined touch of different keys, the input information is displayed in a blank position in the center of the annular virtual keyboard, the triggering is carried out by depending on the continuous stroke instructions, and the word input efficiency is greatly improved.
According to the input method based on the annular virtual keyboard, the plurality of touch keys are arranged into the annular virtual keyboard, when a click trigger instruction is received, the annular virtual keyboard is activated by taking the trigger point as a center, diversified input information is generated by combined touch of different keys or one or more times of touch of one key, the input information is displayed in a blank position in the center of the annular virtual keyboard, and rapid word input can be realized by using the annular virtual keyboard.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 and fig. 2 are schematic diagrams of an annular virtual keyboard provided in embodiment 2 of the present disclosure.
Fig. 3 and 4 are experimental illustrations provided in example 2 of the present disclosure.
Fig. 5, 6 and 7 are comparative graphs of experimental results provided by example 2 of the present disclosure.
Fig. 8, 9, 10 and 11 are exemplary diagrams of four different layouts of ring-shaped virtual keyboards provided in embodiment 2 of the present disclosure.
Fig. 12, 13 and 14 are comparative graphs of experimental results provided by example 2 of the present disclosure.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example 1:
the embodiment 1 of the present disclosure provides an input method based on an annular virtual keyboard, in which a plurality of touch keys are arranged in an annular virtual keyboard, when a trigger instruction is received, the annular virtual keyboard is activated by using a trigger point as a center, diversified input information is generated by combined touch of different keys or one or more times of touch of one key, and the input information is displayed in a blank space in the center of the annular virtual keyboard.
The annular virtual keyboard can rotate around the center, and touch keys are selected by sliding of the annular virtual keyboard.
Example 2:
the embodiment 2 of the present disclosure provides an input method based on an annular virtual keyboard, in which a plurality of touch keys are arranged in an annular virtual keyboard, when a continuous stroke trigger instruction is received, the annular virtual keyboard is activated with an initial trigger point as a center, diversified input information is generated by combined touch of different keys, and the input information is displayed in a blank space in the center of the annular virtual keyboard.
And obtaining a plurality of character combination sequences according to the touch keys sequentially connected by the continuous strokes, obtaining a plurality of candidate words according to the character combination sequences, and displaying the candidate words at the blank position in the center of the annular virtual keyboard.
Under the existing research guidance for the comfortable area and the maximum movement range of the thumb on the touch screen, the embodiment designs a virtual keyboard based on the sliding input of the mobile intelligent terminal, namely an annular virtual keyboard, as shown in fig. 1, the annular virtual keyboard is more suitable for the sliding movement of the thumb during single-hand input, the virtual keyboard is designed into an annular shape and can be regarded as a mapping of a T9 keyboard, characters are arranged in a vertical direction, and the operation is easy during use (as shown in fig. 2).
The biggest obstacle to adapting to the new keyboard is the familiar layout, and in order to reduce the learning cost, in the present embodiment, the letter arrangement on each area on the annular virtual keyboard is the same as that of the conventional T9 keyboard, and the first key (the key with the number 1 thereon) is a punctuation key, and the user can select a punctuation by sliding the area key.
The user uses the thumb to slide and move from the ring for inputting, according to the popularity frequency of the candidate words, the candidate words are arranged in the central blank area of the virtual keyboard ring, so that the user can select the candidate words as soon as possible.
Compared with a traditional matching algorithm based on a large dictionary T9 keyboard, the embodiment uses a dictionary containing 50000 English words with frequency information, and some researchers store the dictionary in a HashMap structure and use a prefix search tree; the hash table is a classic data structure using space exchange time, and the prefix search tree increases memory overhead of the storage node, which may result in a mobile phone with a smaller memory and reduced operation performance.
In this embodiment, when the program runs, the whole dictionary is directly read into the array, when a match is established, all possible combinations are listed, and put into the tree map using a binary search strategy, and the candidate words may be frequency-ordered. The intelligent word selection algorithm is low in memory overhead and capable of outputting candidate words in real time.
The embodiment provides feasibility evaluation of a ring-shaped virtual key of a mobile intelligent terminal, and the specific contents are as follows:
in the feasibility evaluation of the annular virtual key of the mobile intelligent terminal, a single-factor evaluation experiment design is adopted, and the difference of an invisible virtual keyboard (T9 sliding input keyboard) and an annular virtual keyboard (T9 annular mapping sliding input keyboard) on three evaluation indexes of input rate, error rate and usability is researched.
Firstly, a user participating in the evaluation experiment is guided to learn the basic operations of the two virtual keyboards and practice the text input methods of the two virtual keyboards. After the practice is completed, each user completes the English word input task as required, and the experimenter randomly selects 5 sentences from the selected phrase set. The experiment records the number of words entered per sentence, the time taken and the number of wrongly written words. After completing the task with the two virtual keyboards, the user fills in the usability questionnaire, and at the end of the whole experiment, the experimental results are processed.
Under the two virtual keyboard text input operations, the experimental evaluation shows the difference test results of three indexes of input rate, error rate and usability, as shown in fig. 3-11, for a specific evaluation result, compared with the invisible virtual keyboard, the input rate of the annular virtual keyboard has a significant advantage, the error rate is relatively low, the usability evaluation scores of the two keyboards also have a significant difference, and the experimental user considers that the annular virtual keyboard has higher usability.
The results show that the ring-shaped virtual keyboard is easier to use.
The embodiment provides a mobile intelligent terminal annular virtual key layout design evaluation, which comprises the following contents:
in the layout design evaluation of the annular virtual key of the mobile intelligent terminal, the design adopts 2 (shape: circle/ellipse) multiplied by 2 (radius: large/small) double-factor design, and the experiment researches the differences of 4 layouts of the annular virtual keyboard on three evaluation indexes of input rate, error rate and usability.
The circle with the eccentricity ratio of 0 and the ellipse with the eccentricity ratio of 0.83 are selected; according to the length of the major radius of the circle and the ellipse, the ellipse is divided into a large shape and a small shape respectively.
This application has designed four kinds of annular virtual keyboard models:
l-0: a circular keyboard with a radius of 26 mm and an eccentricity of 0 (shown in fig. 8).
S-0: a circular keyboard with a radius of 20 mm and an eccentricity of 0 (shown in fig. 9).
L-0.83: an elliptical keyboard with a major radius of 29 mm and an eccentricity of 0.83 (shown in fig. 10).
S-0.83: elliptical keyboard, long radius 24 mm, eccentricity 0.83 (shown in fig. 11).
Under the four layout annular virtual keyboard text input operations, the difference test results of the three indexes of input rate, error rate and availability are experimentally evaluated, and are shown in fig. 12 to 14 as specific evaluation results.
The input rate experimental results show that the larger virtual keyboard has a higher input rate but does not find the relevant influence of the keyboard shape compared with the smaller keyboard, and the error rate experimental results show that the larger virtual keyboard has a higher error rate, and the experimental user thinks that the circular layout virtual keyboard has higher usability.
In the embodiment, in the single-hand input research of the mobile intelligent terminal, both hands are liberated, so that the text input of the mobile intelligent terminal does not occupy both hands at the same time, and through the annular design of the virtual keyboard, the layout operation is in a comfortable area of the thumb, so that the thumb becomes a main interactive operation finger.
In the sliding input research of the mobile intelligent terminal, a user does not need to click operation, but inputs letters on the virtual keyboard through sliding, so that the fatigue of fingers is reduced, the thumb is more favorable for performing gesture operation, the virtual keyboard is designed in an annular shape, the user only slides in the ring for inputting, the unnecessary key area is avoided being touched, and the probability of error input is reduced.
Example 3:
the embodiment 3 of the present disclosure provides a computer-readable storage medium on which a program is stored, which when executed by a processor, implements the steps in the ring virtual keyboard-based input method according to embodiment 1 or embodiment 2 of the present disclosure.
Example 4:
an embodiment 4 of the present disclosure provides an electronic device, which includes a memory, a processor, and a program stored in the memory and executable on the processor, where the processor executes the program to implement the steps in the input method based on the ring virtual keyboard according to embodiment 1 or embodiment 2 of the present disclosure.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. An input method based on an annular virtual keyboard is characterized in that:
the method comprises the steps that a plurality of touch keys are arranged into an annular virtual keyboard, when a click trigger instruction is received, the annular virtual keyboard is activated by taking the trigger point as a center, diversified input information is generated by combined touch of different keys or one or more times of touch of one key, and the input information is displayed in a blank position in the center of the annular virtual keyboard.
2. The ring-based virtual keyboard input method of claim 1, wherein:
the annular virtual keyboard can rotate around the center, and touch keys are selected by sliding of the annular virtual keyboard.
3. An input method based on an annular virtual keyboard is characterized in that:
the method comprises the steps that a plurality of touch keys are arranged to form an annular virtual keyboard, when continuous stroke trigger instructions are received, the annular virtual keyboard is activated by taking an initial trigger point as a center, diversified input information is generated by combined touch of different keys, and the input information is displayed in a blank position in the center of the annular virtual keyboard.
4. The ring-based virtual keyboard input method of claim 3, wherein:
and obtaining a plurality of character combination sequences according to the touch keys sequentially connected by the continuous strokes, obtaining a plurality of candidate words according to the character combination sequences, and displaying the candidate words at the blank position in the center of the annular virtual keyboard.
5. The ring-based virtual keyboard input method of any one of claims 1-4, wherein:
the slide down and/or up operation is a delete operation.
6. The ring-based virtual keyboard input method of any one of claims 1-4, wherein:
and setting a preset dictionary, directly reading the whole dictionary into an array in the input information after receiving the input information, listing all possible combinations when establishing matching, putting the combinations into a tree map by using a binary search strategy, and performing frequency sequencing on the candidate words.
7. The ring-based virtual keyboard input method of claim 1, wherein:
the annular virtual keyboard comprises at least nine uniformly distributed touch keys, and each touch key has the same format as a standard T9 keyboard.
8. The ring-based virtual keyboard input method of claim 7, wherein:
the annular virtual keyboard is arranged in a manner that touch keys are arranged in a clockwise direction, and the touch keys of the standard T9 keyboard are matched with the touch keys of the annular virtual keyboard from left to right from top to bottom.
9. A computer-readable storage medium, on which a program is stored, which, when being executed by a processor, carries out the steps of the ring virtual keyboard-based input method according to any one of claims 1 to 8.
10. An electronic device comprising a memory, a processor and a program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of any one of claims 1-8 when executing the program.
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| CN202110430324.9A CN113093978A (en) | 2021-04-21 | 2021-04-21 | Input method based on annular virtual keyboard and electronic equipment |
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