Speech control method of geographic information system with quantitative parameter
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A geographic information system and quantitative parameter technology, applied in the field of voice control, can solve the problems that the accuracy of voice commands cannot be fully exerted, the distance and turning range of the robot cannot be effectively controlled, and there is no consideration.
Active Publication Date: 2009-01-14
SUZHOU MAIPU INFORMATION TECH
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Problems solved by technology
In all the above-mentioned products and voice control methods, only commands and instructions are used to drive the system to run or query information (targets), and do not consider the various quantifications of modifying the commands themselves in the command sentences issued by the user For example, when controlling the robot to "forward" and "turn left", the robot cannot effectively control the distance forward and the magnitude of the turn, so the accuracy of voice commands cannot be fully utilized.
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example 1
[0116] Take the "Zoom in" command as an example. When using voice to control the map roaming, use the voice command "Zoom in 3.45 times". The specific process is as follows:
[0117] (1) Recognizing this voice command by the voice recognition module of Microsoft Corporation (the development kit is Speech SDK 5.1) is: "zoom in 3.45 times";
[0118] (2) Set the matching domain value MIN to 0.8, and through the command vocabulary matching, the command string is obtained as an effective voice command, and the highest matching command returned corresponds to "zoom in", then the full parameter string is "3.45 times ";
[0119] (3) Through parameter vocabulary decomposition, the set of quantifier parameters is obtained as {("3.45", "times", 1, 5)};
[0120] (4) Quantize the numeral character string "three point four five" into a number 3.45 through parameter quantization;
[0121] (5) Through parameter combination, the quantitative parameter set is obtained as {(3.45, "times")};
...
example 2
[0124] Take the "move up" command as an example. When using voice to perform roaming operations in map browsing, use the voice command "move up ten times one hundred and fifty-three meters" (where "ten" is a numeral character at the beginning of a progressive numeral String), the specific process is as follows:
[0125] (1) Recognition of this voice command by the voice recognition module of Microsoft Corporation (the development kit is Speech SDK 5.1) is: "move up ten times of one hundred and fifty-three meters";
[0126] (2) Set the matching field value MIN to be 0.8, and obtain the command string as an effective voice command through the command vocabulary matching, and the highest matching command returned corresponds to "move up", then the full parameter string is "one hundred and fifty Ten times three meters";
[0127] (3) By decomposing the parameter vocabulary, the quantifier parameter set is obtained as {("one hundred and fifty-three", "meter", 1, 6), ("ten", "times"...
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Abstract
The invention discloses a geographic information system speech control method with quantitative parameters, which adds six steps of language acquisition, command vocabulary matching, parameter vocabulary decomposition, parameter quantization, parameter combination and running drive control on the basis of an existing speech recognition module; in the language acquisition step, the obtaining text string of the speech recognition module is utilized in a geographic information system program; in the command vocabulary matching step, a command string and a parameter string are extracted in the text string; in the parameter vocabulary decomposition step, the parameter string is divided into a group of numeral string and quantifier string; in the parameter quantization step, the numeral string is converted into the quantitative data form containing a plurality of types such as integer and decimal fraction, etc.; in the parameter combination step, a group of quantitative data is combined with corresponding quantifier so as to form a quantitative parameter set; in the running drive control step, a corresponding geographic information function module is called according to the command string and the quantitative parameter set obtained by the input speech so as to realize the running operation of the geographic information system.
Description
Technical field: [0001] The invention relates to a voice control method in a geographic information system (GIS), and belongs to the voice control technology, geographic information system technology and application fields. Background technique: [0002] With the development of speech recognition technology, speech interaction between humans and machines through speech dialogue has become a reality. As one of the most natural, smooth, convenient and fast means of human-computer interaction, voice interaction has the advantages of being able to work with hands and eyes at the same time and quickly obtain / input information compared with traditional human-computer interaction methods. At present, voice control technology has been used in voice-activated robots, mobile phone voice-activated dialing, voice-controlled home appliances / automotive equipment, and voice-controlled navigation equipment. It is mainly based on simple command control and information query, without conside...
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