CN111883114A - Ship voice control method, system, device and storage medium - Google Patents
Ship voice control method, system, device and storage medium Download PDFInfo
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- CN111883114A CN111883114A CN202010547873.XA CN202010547873A CN111883114A CN 111883114 A CN111883114 A CN 111883114A CN 202010547873 A CN202010547873 A CN 202010547873A CN 111883114 A CN111883114 A CN 111883114A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000007781 pre-processing Methods 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000013598 vector Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
The invention discloses a ship voice control method, a system, a device and a storage medium, wherein the method comprises the following steps: acquiring a collected first voice signal; preprocessing the first voice signal to obtain a second voice signal; performing feature extraction on the second voice signal to obtain voice features; matching according to the voice characteristics to obtain corresponding voice sentences; and taking the voice sentence as an operation instruction, and controlling the ship according to the operation instruction. The invention directly converts the voice signal into the operation instruction of the ship to be sent out, thereby realizing the control of the ship through voice and effectively reducing the workload of a driver or a rudderman. The invention can be widely applied to the field of ship control.
Description
Technical Field
The invention relates to the technical field of ship control, in particular to a ship voice control method, a ship voice control system, a ship voice control device and a storage medium.
Background
Statistics, investigation and analysis of various marine accidents show that the probability of human factors in ship collision, sinking, oil leakage, fire explosion, reef touch and other various sea damage accidents accounts for 80%, a large number of accidents all relate to human factors such as ship management and personnel operation errors, and even the accidents caused by the problems of ship mechanical failure, instrument failure, ship structure and the like are directly related to the human errors. In water traffic accidents in China, 95 percent of the accidents are responsible accidents, and most of the accidents are caused by human factors.
The statistical analysis report of the ship accidents in 2018 shows that the ship collision and self-sinking accidents in 2018 are caused by three reasons: on one hand, part of ship drivers have weak safety awareness and good luck psychology and do not obey the restricted navigation regulation; on one hand, when some ship drivers drive ships, decision errors are caused by fatigue or improper information processing; on one hand, severe weather such as strong wind and fog increases the difficulty of safe driving of the ship, and challenges are brought to on-site supervision and emergency treatment.
The language interaction is the most convenient and effective means for human to communicate, and how to make the machine understand the human language, realize the human-computer interaction and complete various operations becomes an urgent need in daily life. The automatic speech recognition technology is a mode which takes speech as a research object and converts speech signals into texts or commands which can be recognized by a machine so as to realize man-machine intelligent interaction. The technology has important application prospects in the aspects of voice navigation, document retrieval, indoor equipment control and the like. With the wide application of embedded systems in life and the continuous development of intelligent human-computer interaction technology, people begin to design and implement various embedded systems to complete specific applications.
Voice broadcast is an effective way to help drivers handle information. At sea with multiple weather changes, environmental parameters change in real time, such as: wind direction, wind speed, flow direction velocity, visibility, tide, etc. When a ship pilot drives a ship, operation decision is needed based on the complicated information, but in the process of collecting the information by the pilot, decision errors can be caused due to fatigue or improper information processing.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a method, a system, a device and a storage medium for voice control of a ship.
In a first aspect, an embodiment of the present invention provides a ship voice control method, including the following steps:
acquiring a collected first voice signal;
preprocessing the first voice signal to obtain a second voice signal;
performing feature extraction on the second voice signal to obtain voice features;
matching according to the voice characteristics to obtain corresponding voice sentences;
and taking the voice sentence as an operation instruction, and controlling the ship according to the operation instruction.
In an embodiment of the present invention, the preprocessing the first voice signal to obtain a second voice signal includes:
and filtering and pre-emphasis processing are carried out on the first voice signal to obtain a second voice signal.
In an embodiment of the present invention, the matching according to the voice feature to obtain a corresponding voice sentence further includes:
performing acoustic feature matching on the voice features to obtain acoustic feature vectors;
matching the voice characteristics through a preset pronunciation dictionary to obtain corresponding voice vocabularies;
and carrying out sentence matching according to the acoustic feature vector and the voice vocabulary to obtain a corresponding voice sentence.
In an embodiment of the present invention, the ship voice control method further includes:
and acquiring navigation information of the ship, and broadcasting the navigation information.
In an embodiment of the present invention, the acquiring navigation information of a ship and broadcasting the navigation information specifically includes:
acquiring navigation information of a ship;
and broadcasting the navigation information according to the navigation information and a broadcasting condition corresponding to the navigation information.
In an embodiment of the present invention, the navigation information at least includes at least one of the following: navigation speed, navigation direction, wind speed, wind direction, water flow velocity, water flow direction and ship fault information.
In a second aspect, the present invention provides a voice control system for a ship, comprising:
the acquisition unit is used for acquiring the acquired first voice signal;
the preprocessing unit is used for preprocessing the first voice signal to obtain a second voice signal;
the feature extraction unit is used for extracting features of the second voice signal to obtain voice features;
the matching unit is used for matching according to the voice characteristics to obtain corresponding voice sentences;
and the operation control unit is used for taking the voice statement as an operation instruction and controlling the ship according to the operation instruction.
In an embodiment of the present invention, the ship voice control system further includes:
and the broadcasting unit is used for acquiring the navigation information of the ship and broadcasting the navigation information.
In a third aspect, an embodiment of the present invention provides a ship voice control apparatus, including:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the method for voice control of a ship.
In a fourth aspect, an embodiment of the present invention provides a storage medium having stored therein processor-executable instructions, wherein the processor-executable instructions, when executed by a processor, are configured to perform the ship voice control method.
The invention has the beneficial effects that:
the ship voice control method, the system, the device and the storage medium directly convert the voice signal into the operation instruction of the ship to be sent out, thereby realizing the control of the ship through voice and effectively reducing the workload of a driver or a rudderman.
Furthermore, the invention transmits various navigation information of the ship during navigation to a decision maker in a broadcasting mode, has accurate data and convenient and quick information acquisition, and can effectively reduce accidents caused by information error processing.
Drawings
FIG. 1 is a flow chart of the steps of a voice control method for a ship of the present invention;
FIG. 2 is a block diagram of a voice control system for a vessel according to the present invention;
FIG. 3 is a schematic diagram of a fitting of a rotating high definition probe image to a radar in an embodiment of the present invention;
fig. 4 is a schematic diagram of a broadcast condition in the embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art. Furthermore, it should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a ship voice control method, including the following steps:
s101, acquiring the collected first voice signal.
S102, preprocessing the first voice signal to obtain a second voice signal.
S103, extracting the characteristics of the second voice signal to obtain voice characteristics.
And S104, matching according to the voice characteristics to obtain a corresponding voice statement.
And S105, taking the voice sentence as an operation instruction, and controlling the ship according to the operation instruction.
In this embodiment, the first voice signal may be a voice signal spoken by a person, that is, a spoken instruction of a crew, and then the spoken instruction is converted into an operation instruction that can be recognized by a ship, so as to achieve an effect of controlling the ship by voice.
In an embodiment of the present invention, the preprocessing the first voice signal to obtain a second voice signal includes:
and filtering and pre-emphasis processing are carried out on the first voice signal to obtain a second voice signal.
In this embodiment, the preprocessing may be filtering, pre-emphasizing, and the like on the voice signal, so as to reduce the influence of environmental noise, channel, and the like on the characteristics.
In an embodiment of the present invention, the matching according to the voice feature to obtain a corresponding voice sentence further includes:
s1041, performing acoustic feature matching on the voice features to obtain acoustic feature vectors;
s1042, matching the voice characteristics through a preset pronunciation dictionary to obtain corresponding voice vocabularies;
and S1043, carrying out sentence matching according to the acoustic feature vector and the voice vocabulary, and obtaining a corresponding voice sentence.
In this embodiment, the obtained speech features can be matched with acoustic feature vectors constructed by the preset unit model and vocabulary sets and pronunciations in the preset pronunciation dictionary, then modeling is performed on the language targeted by the system, sentence matching is performed, and finally, corresponding speech sentences are obtained, and speech sentences such as "left rudder 5", "enter 3", "broadcast flow direction, flow rate" and the like can be obtained.
In an embodiment of the present invention, the ship voice control method further includes:
and acquiring navigation information of the ship, and broadcasting the navigation information.
In an embodiment of the present invention, the acquiring navigation information of a ship and broadcasting the navigation information specifically includes:
acquiring navigation information of a ship;
and broadcasting the navigation information according to the navigation information and a broadcasting condition corresponding to the navigation information.
In this embodiment, the navigation information is collected by various basic instruments such as a wind sensor, a flow sensor, a log, a magnetic compass, etc. of the ship, and the navigation information is obtained as follows: navigation speed, navigation direction, wind speed and direction, water velocity and water flow direction, and store these information in real time and broadcast according to the broadcast conditions.
Further, as shown in fig. 3, the navigation information can be obtained by the 360 ° rotation high definition probe 1 installed on the top of the driving platform and the driving platform devices such as AIS, ECDIS, radar, etc., and the distance and orientation information of other ships around the ship and objects such as navigation mark can be obtained according to the radar detection area 2 and the camera monitoring area 3 in fig. 3.
The ship fault information is set with safety values or safety ranges for various equipment of the ship before sailing, and if the equipment parameters exceed the safety ranges in the sailing process, an alarm is automatically sent out and the information of faults is broadcasted.
In the embodiment, the AIS, the ECDIS and the pictures obtained by rotating the high-definition probe can be fitted to obtain accurate navigation mark information, channel information and part of other ship information. When the radar is directly adopted for detection, false echo signals and interference signals can be obtained, in order to prevent error information from being broadcasted, the radar signals and information of target objects obtained by rotating the high-definition probe are fitted, and the direction and the distance of a real obstacle and other ships are determined.
As shown in fig. 4, a circle is made with a safe voyage 4 (safe voyage is a speed that allows time for taking appropriate and effective action to avoid collision and can stop the ship within a distance suitable for the environment and situation at that time, and the progress of the ship from the start of the ship stop to the voyage speed of 0 is referred to as safe voyage) as a radius, so that a safe circle 7 having a circular area is obtained, and the broadcast condition may be that the voice broadcast is performed only when a ship 5, an obstacle, a navigation mark 6, or the like appears in the circular area. The broadcasting sequence refers to the far and near sequence of the object marks to broadcast from near to far.
The navigation information of broadcasting in this embodiment is divided into three levels: primary, secondary and tertiary.
The first-level information is information such as navigation speed, wind direction and wind speed, water flow direction, water flow speed and channel width, the information is not automatically broadcast according to a period, and after a voice control system is used for sending a voice command, the broadcast system broadcasts selected information.
The secondary information is information of the object mark in the safety circle. The broadcast contents are the distance and the direction of the target object, the information can be automatically broadcast, and the broadcast period can be set as 'broadcast once every 3 minutes' and 'broadcast once every 5 minutes'.
The third-level information is ship fault information, predicted collision danger information, environment mutation information and other alarm information. The ship fault information is sent out when parameters of a sensor sensing device are not in a normal range, the PAD (collision danger area) is calculated by predicting collision danger information through a radar, when the possibility of collision danger is shown, alarm information is sent out, the environment mutation information is ECDIS or a rotary high-definition probe, when the ship is about to enter the environments such as a narrow water channel and a dense traffic water area and when environmental factors such as wind current sensed by an environment sensor suddenly generate great changes, the alarm is sent out. This information is immediately broadcast.
Referring to fig. 2, the present invention provides a ship voice control system, comprising:
the acquisition unit is used for acquiring the acquired first voice signal;
the preprocessing unit is used for preprocessing the first voice signal to obtain a second voice signal;
the feature extraction unit is used for extracting features of the second voice signal to obtain voice features;
the matching unit is used for matching according to the voice characteristics to obtain corresponding voice sentences;
and the operation control unit is used for taking the voice statement as an operation instruction and controlling the ship according to the operation instruction.
In an embodiment of the present invention, the ship voice control system further includes:
and the broadcasting unit is used for acquiring the navigation information of the ship and broadcasting the navigation information.
Furthermore, the invention transmits various navigation information of the ship during navigation to a decision maker in a broadcasting mode, has accurate data and convenient and quick information acquisition, and can effectively reduce accidents caused by information error processing.
The embodiment of the invention provides a ship voice control device, which comprises:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement a vessel voice control method.
Furthermore, an embodiment of the present invention provides a storage medium having stored therein processor-executable instructions, wherein the processor-executable instructions, when executed by a processor, are configured to perform a method for voice control of a ship.
According to the invention, the voice signal is directly converted into the operation instruction of the ship to be sent, so that the ship is controlled by voice, and the workload of a driver or a rudderman is effectively reduced.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A ship voice control method is characterized by comprising the following steps:
acquiring a collected first voice signal;
preprocessing the first voice signal to obtain a second voice signal;
performing feature extraction on the second voice signal to obtain voice features;
matching according to the voice characteristics to obtain corresponding voice sentences;
and taking the voice sentence as an operation instruction, and controlling the ship according to the operation instruction.
2. The ship voice control method according to claim 1, wherein the preprocessing is performed on the first voice signal to obtain a second voice signal, specifically:
and filtering and pre-emphasis processing are carried out on the first voice signal to obtain a second voice signal.
3. The ship voice control method according to claim 1, wherein the matching is performed according to the voice features to obtain corresponding voice sentences, and further comprising:
performing acoustic feature matching on the voice features to obtain acoustic feature vectors;
matching the voice characteristics through a preset pronunciation dictionary to obtain corresponding voice vocabularies;
and carrying out sentence matching according to the acoustic feature vector and the voice vocabulary to obtain a corresponding voice sentence.
4. The vessel voice control method according to claim 1, further comprising:
and acquiring navigation information of the ship, and broadcasting the navigation information.
5. The voice control method for the ship according to claim 4, wherein the collecting of the navigation information of the ship and the broadcasting of the navigation information specifically comprise:
acquiring navigation information of a ship;
and broadcasting the navigation information according to the navigation information and a broadcasting condition corresponding to the navigation information.
6. The voice control method for ships according to claim 4 or 5, wherein the navigation information comprises at least one of: navigation speed, navigation direction, wind speed, wind direction, water flow velocity, water flow direction and ship fault information.
7. A marine vessel voice control system, comprising:
the acquisition unit is used for acquiring the acquired first voice signal;
the preprocessing unit is used for preprocessing the first voice signal to obtain a second voice signal;
the feature extraction unit is used for extracting features of the second voice signal to obtain voice features;
the matching unit is used for matching according to the voice characteristics to obtain corresponding voice sentences;
and the operation control unit is used for taking the voice statement as an operation instruction and controlling the ship according to the operation instruction.
8. The marine vessel voice control system of claim 7, further comprising:
and the broadcasting unit is used for acquiring the navigation information of the ship and broadcasting the navigation information.
9. A voice control apparatus for a ship, comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement a method of voice control of a vessel as claimed in any one of claims 1 to 7.
10. A storage medium having stored therein processor-executable instructions, which when executed by a processor, are configured to perform a method of voice control of a vessel as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010547873.XA CN111883114A (en) | 2020-06-16 | 2020-06-16 | Ship voice control method, system, device and storage medium |
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| CN202010547873.XA CN111883114A (en) | 2020-06-16 | 2020-06-16 | Ship voice control method, system, device and storage medium |
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