CN109409345B - Intelligent playing performance device - Google Patents
Intelligent playing performance device Download PDFInfo
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- CN109409345B CN109409345B CN201811581175.0A CN201811581175A CN109409345B CN 109409345 B CN109409345 B CN 109409345B CN 201811581175 A CN201811581175 A CN 201811581175A CN 109409345 B CN109409345 B CN 109409345B
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- 239000002023 wood Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 241001669679 Eleotris Species 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 239000007858 starting material Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 45
- 238000012545 processing Methods 0.000 claims description 34
- 238000000605 extraction Methods 0.000 claims description 27
- 230000011218 segmentation Effects 0.000 claims description 24
- 238000012937 correction Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
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Abstract
The invention relates to an intelligent playing and performing device, which comprises: the auxiliary component comprises a keyboard frame, a wood shell and a pedal, wherein the pedal is made of metal materials and is divided into three parts: a left pedal, a middle pedal and a right pedal; the string striking machine component comprises an iron frame, a main beam, a sleeper beam, a regulator, a starter, a rotary hammer and a sound arrester; in the auxiliary component, the keyboard frame comprises a front frame, a rear frame, a frame and a cross-batten structure which is higher than the front frame, the rear frame and the frame; and the LED indicator lamp is arranged above the wooden shell, is connected with the pixel point analysis equipment and is used for carrying out red light display operation when the received representative parameters exceed the limit. By the invention, the playing performance equipment can be prevented from being caused by fire or being smoked by alcohol.
Description
Technical Field
The invention relates to the field of playing performance equipment, in particular to an intelligent playing performance device.
Background
The piano is a common playing performance device, the piano strikes keys by fingers, the keys are driven by a linkage rod after being struck, the tail end of the action machine is provided with a small hammer which is elliptical and wrapped by wool felt, the hammer is called as an action hammer, the action hammer is driven by the action hammer to lift firstly and then strike forwards, the steel wire is arranged in front of the action hammer, when the action hammer strikes forwards, the steel wire can accurately strike the steel wire, and the steel wire is vibrated to produce sound. The soundboard is used for transferring sound sources, the force is used for connecting the keys with the hammer by the lever principle, and the hammer can move downwards along with the keys when the keys are pressed down to knock the metal wires in the piano so as to make sound.
Disclosure of Invention
In order to solve the technical problem that fire disasters are easily caused or alcohol is easily damaged when playing performance equipment is too close to alcohol in the prior art, the invention provides an intelligent playing performance device.
The invention has at least the following two important points:
(1) after the customized efficient image processing, analyzing wine bottle objects around the playing performance device to determine whether the user needs to be reminded to move the playing performance device away from the current position or not based on the analysis result;
(2) on the basis of executing inverse harmonic mean filtering processing based on noise amplitude on an image to be processed, determining whether distortion correction processing meeting requirements of image data after the inverse harmonic mean filtering processing is started according to a distortion degree reciprocal judgment result of the image after the inverse harmonic mean filtering processing.
According to an aspect of the present invention, there is provided an intelligent playing performance apparatus, the apparatus comprising:
the auxiliary component comprises a keyboard frame, a wood shell and a pedal, wherein the pedal is made of metal materials and is divided into three parts: a left pedal, a middle pedal and a right pedal; the string-striking machine component comprises an iron frame, a main beam, a sleeper beam, a regulator, a starter, a rotary hammer and a sound arrester.
More specifically, in the intelligent playing performance apparatus: in the auxiliary component, the keyboard frame comprises a front frame, a rear frame, a side frame and a cross bar structure which is higher than the front frame, the rear frame and the side frame.
More specifically, in the intelligent playing performance apparatus, the method further includes:
the LED indicator light is arranged above the wooden shell, is connected with the pixel point analysis equipment and is used for carrying out red light display operation when the received representative parameters exceed the limit; the high-definition camera equipment is arranged above the wood shell and used for carrying out high-definition camera shooting operation on scenes around the wood shell so as to obtain a current image frame; the histogram equalization equipment is connected with the high-definition camera equipment and is used for receiving the current image frame, executing gray level histogram equalization processing on the current image frame to obtain a gray level equalization image and outputting the gray level equalization image; an inverse harmonic mean filtering device configured to receive the gray scale equalized image, perform inverse harmonic mean filtering processing based on a noise amplitude on the gray scale equalized image to obtain a corresponding field filtered image, and output the field filtered image, wherein the performing of the inverse harmonic mean filtering processing based on the noise amplitude on the gray scale equalized image includes: the larger the noise amplitude of the gray scale equilibrium image is, the more the number of inverse harmonic mean filtering processes performed on the gray scale equilibrium image is; a numerical detection device, connected to the inverse harmonic mean filtering device, configured to receive the field filtered image, perform a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal, and output the field distortion reciprocal, where the performing a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal includes: performing a distortion reciprocal extraction operation on the field filtering image based on each pixel value of each pixel point of the field filtering image to obtain a corresponding field distortion reciprocal; the data judgment device is connected with the numerical value detection device and used for receiving the field inverse distortion degree, sending a processing stopping command when the field inverse distortion degree exceeds a preset inverse distortion degree threshold value and sending a continuous processing command when the field inverse distortion degree does not exceed the preset inverse distortion degree threshold value; a distortion correction device, connected to the data determination device and the numerical value detection device, respectively, for performing an image distortion correction operation on the on-site filtered image to obtain a distortion corrected image and outputting the distortion corrected image when receiving the continuous processing command, and for directly taking the on-site filtered image as the distortion corrected image and outputting the distortion corrected image when receiving the stop processing command; an object identification device connected with the distortion correction device for identifying one or more wine bottle objects from the distortion corrected image based on wine bottle imaging characteristics; the pixel point analysis equipment is connected with the object identification equipment and is used for taking the wine bottle object occupying the largest number of pixel points in the distortion correction image as an object to be processed and outputting the area percentage of the distortion correction image occupied by the image to be processed as a representative parameter; and the LED indicator lamp is also used for carrying out blue lamp display operation when the received representative parameter is not over limit.
More specifically, in the intelligent playing performance apparatus: the histogram equalization device, the inverse harmonic mean filtering device, the numerical value detection device, the data judgment device, the distortion correction device, the object recognition device, and the pixel point analysis device are all disposed inside the wooden casing.
More specifically, in the intelligent playing performance apparatus, the method further includes:
and the region segmentation equipment is connected with the high-definition camera equipment and is used for detecting the area of the maximum target in the current image frame and carrying out average region segmentation on the current image frame based on the area of the maximum target so as to obtain a plurality of corresponding image regions.
More specifically, in the intelligent playing performance apparatus, the method further includes:
and the mean square error extraction equipment is connected with the region segmentation equipment and is used for calculating the mean square error of each pixel value of each pixel point in each image region to obtain the corresponding region mean square error, and outputting each image region with the region mean square error exceeding a mean square error threshold as each region to be executed.
More specifically, in the intelligent playing performance apparatus, the method further includes:
and the mean filtering equipment is respectively connected with the histogram equalization equipment and the mean square error extraction equipment and is used for respectively performing mean filtering processing on each region to be executed so as to obtain each mean filtering image, and integrally replacing the current image frame with each mean filtering image and sending the current image frame to the histogram equalization equipment.
More specifically, in the intelligent playing performance apparatus, the method further includes:
the FLASH is connected with the mean square error extraction equipment and is used for pre-storing the mean square error threshold value so as to send the mean square error threshold value to the mean square error extraction equipment when the mean square error extraction equipment is started; the mean filtering device, the region segmentation device and the mean square error extraction device are respectively realized by adopting CPLD chips with different models.
More specifically, in the intelligent playing performance apparatus: the region segmentation device comprises a target analysis unit and an area measurement unit, wherein the target analysis unit is connected with the area measurement unit; wherein, in the region segmentation apparatus, performing region segmentation of the current image frame on average based on the area of the maximum target includes: the larger the area of the maximum target is, the larger the area of the obtained image region that performs region segmentation on the current image frame is.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a configuration diagram of an intelligent playing performance apparatus according to an embodiment of the present invention.
Detailed Description
Embodiments of the intelligent playing performance apparatus of the present invention will be described in detail below with reference to the accompanying drawings.
The performance apparatus refers to a piano, an electronic piano, or the like in a live performance band. The piano back frame is provided with a row of steel wire strings, a single string winding and two or three bare strings. A total of two hundred. The piano produces sound by jacking the string-striking machine by the keys and producing sound by the hammer-hammer striking string row. Because the thickness, length and tension of the root strings are different, different pitches are emitted. If the state of the string changes, its pitch changes accordingly, so that regular tuning is necessary.
The pressing strips at the upper ends of the piano strings tightly press the strings on the nut, the strings are respectively bent, two small nails with different directions are arranged at the lower ends of the strings, the strings are firmly stabilized on the bridge, so that the vibration energy of the strings is transmitted to the soundboard as completely as possible, strong resonance is caused, and the sound durability is fully maintained. If the bridge is broken or loosened, the support of the strings is not firm, so that the energy of the vibration of the strings is unnecessarily consumed, the transmission of the vibration energy to the soundboard is also influenced, the vibration duration of the strings is short, and the sound lacks necessary durability.
In order to overcome the defects, the invention builds the intelligent playing performance device and can effectively solve the corresponding technical problems.
Fig. 1 is a configuration diagram of an intelligent playing performance apparatus according to an embodiment of the present invention, the apparatus includes:
the auxiliary component comprises a keyboard frame, a wood shell and a pedal, wherein the pedal is made of metal materials and is divided into three parts: a left pedal, a middle pedal and a right pedal; the string-striking machine component comprises an iron frame, a main beam, a sleeper beam, a regulator, a starter, a rotary hammer and a sound arrester.
Next, the detailed structure of the intelligent playing performance apparatus of the present invention will be further described.
In the intelligent playing performance device: in the auxiliary component, the keyboard frame comprises a front frame, a rear frame, a side frame and a cross bar structure which is higher than the front frame, the rear frame and the side frame.
In the intelligent playing performance device, the method further comprises:
the LED indicator light is arranged above the wooden shell, is connected with the pixel point analysis equipment and is used for carrying out red light display operation when the received representative parameters exceed the limit;
the high-definition camera equipment is arranged above the wood shell and used for carrying out high-definition camera shooting operation on scenes around the wood shell so as to obtain a current image frame;
the histogram equalization equipment is connected with the high-definition camera equipment and is used for receiving the current image frame, executing gray level histogram equalization processing on the current image frame to obtain a gray level equalization image and outputting the gray level equalization image;
an inverse harmonic mean filtering device configured to receive the gray scale equalized image, perform inverse harmonic mean filtering processing based on a noise amplitude on the gray scale equalized image to obtain a corresponding field filtered image, and output the field filtered image, wherein the performing of the inverse harmonic mean filtering processing based on the noise amplitude on the gray scale equalized image includes: the larger the noise amplitude of the gray scale equilibrium image is, the more the number of inverse harmonic mean filtering processes performed on the gray scale equilibrium image is;
a numerical detection device, connected to the inverse harmonic mean filtering device, configured to receive the field filtered image, perform a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal, and output the field distortion reciprocal, where the performing a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal includes: performing a distortion reciprocal extraction operation on the field filtering image based on each pixel value of each pixel point of the field filtering image to obtain a corresponding field distortion reciprocal;
the data judgment device is connected with the numerical value detection device and used for receiving the field inverse distortion degree, sending a processing stopping command when the field inverse distortion degree exceeds a preset inverse distortion degree threshold value and sending a continuous processing command when the field inverse distortion degree does not exceed the preset inverse distortion degree threshold value;
a distortion correction device, connected to the data determination device and the numerical value detection device, respectively, for performing an image distortion correction operation on the on-site filtered image to obtain a distortion corrected image and outputting the distortion corrected image when receiving the continuous processing command, and for directly taking the on-site filtered image as the distortion corrected image and outputting the distortion corrected image when receiving the stop processing command;
an object identification device connected with the distortion correction device for identifying one or more wine bottle objects from the distortion corrected image based on wine bottle imaging characteristics;
the pixel point analysis equipment is connected with the object identification equipment and is used for taking the wine bottle object occupying the largest number of pixel points in the distortion correction image as an object to be processed and outputting the area percentage of the distortion correction image occupied by the image to be processed as a representative parameter;
and the LED indicator lamp is also used for carrying out blue lamp display operation when the received representative parameter is not over limit.
In the intelligent playing performance device: the histogram equalization device, the inverse harmonic mean filtering device, the numerical value detection device, the data judgment device, the distortion correction device, the object recognition device, and the pixel point analysis device are all disposed inside the wooden casing.
In the intelligent playing performance device, the method further comprises:
and the region segmentation equipment is connected with the high-definition camera equipment and is used for detecting the area of the maximum target in the current image frame and carrying out average region segmentation on the current image frame based on the area of the maximum target so as to obtain a plurality of corresponding image regions.
In the intelligent playing performance device, the method further comprises:
and the mean square error extraction equipment is connected with the region segmentation equipment and is used for calculating the mean square error of each pixel value of each pixel point in each image region to obtain the corresponding region mean square error, and outputting each image region with the region mean square error exceeding a mean square error threshold as each region to be executed.
In the intelligent playing performance device, the method further comprises:
and the mean filtering equipment is respectively connected with the histogram equalization equipment and the mean square error extraction equipment and is used for respectively performing mean filtering processing on each region to be executed so as to obtain each mean filtering image, and integrally replacing the current image frame with each mean filtering image and sending the current image frame to the histogram equalization equipment.
In the intelligent playing performance device, the method further comprises:
the FLASH is connected with the mean square error extraction equipment and is used for pre-storing the mean square error threshold value so as to send the mean square error threshold value to the mean square error extraction equipment when the mean square error extraction equipment is started;
the mean filtering device, the region segmentation device and the mean square error extraction device are respectively realized by adopting CPLD chips with different models.
In the intelligent playing performance device: the region segmentation device comprises a target analysis unit and an area measurement unit, wherein the target analysis unit is connected with the area measurement unit;
wherein, in the region segmentation apparatus, performing region segmentation of the current image frame on average based on the area of the maximum target includes: the larger the area of the maximum target is, the larger the area of the obtained image region that performs region segmentation on the current image frame is.
In addition, FLASH memory is one of the memory devices. Flash memory is a Non-Volatile (Non-Volatile) memory that can hold data for a long time without current supply, and has storage characteristics equivalent to a hard disk, which is the basis of flash memory becoming a storage medium for various portable digital devices. The memory unit of the NAND flash memory adopts a serial structure, the reading and writing of the memory unit are carried out by taking a page and a block as a unit (one page comprises a plurality of bytes, a plurality of pages form a memory block, and the size of the NAND memory block is 8-32 KB).
By adopting the intelligent playing performance device, aiming at the technical problem that fire is easily caused or alcohol is easily fumigated when playing performance equipment is too close to alcohol in the prior art, after the customized high-efficiency image processing, wine bottle objects around the playing performance device are analyzed, and whether a user needs to be reminded to move the playing performance device away from the current position is determined based on the analysis result; on the basis of executing inverse harmonic mean filtering processing based on noise amplitude on an image to be processed, determining whether distortion correction processing meeting the requirements of image data after the inverse harmonic mean filtering processing is started according to the judgment result of the inverse distortion degree of the image after the inverse harmonic mean filtering processing; thereby solving the technical problem.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. The utility model provides an intelligent performance device of playing which characterized in that includes:
the auxiliary component comprises a keyboard frame, a wood shell and a pedal, wherein the pedal is made of metal materials and is divided into three parts: a left pedal, a middle pedal and a right pedal;
the string striking machine component comprises an iron frame, a main beam, a sleeper beam, a regulator, a starter, a rotary hammer and a sound arrester;
in the auxiliary component, the keyboard frame comprises a front frame, a rear frame, a frame and a cross-batten structure which is higher than the front frame, the rear frame and the frame;
the LED indicator light is arranged above the wooden shell, is connected with the pixel point analysis equipment and is used for carrying out red light display operation when the received representative parameters exceed the limit;
the high-definition camera equipment is arranged above the wood shell and used for carrying out high-definition camera shooting operation on scenes around the wood shell so as to obtain a current image frame;
the histogram equalization equipment is connected with the high-definition camera equipment and is used for receiving the current image frame, executing gray level histogram equalization processing on the current image frame to obtain a gray level equalization image and outputting the gray level equalization image;
an inverse harmonic mean filtering device configured to receive the gray scale equalized image, perform inverse harmonic mean filtering processing based on a noise amplitude on the gray scale equalized image to obtain a corresponding field filtered image, and output the field filtered image, wherein the performing of the inverse harmonic mean filtering processing based on the noise amplitude on the gray scale equalized image includes: the larger the noise amplitude of the gray scale equilibrium image is, the more the number of inverse harmonic mean filtering processes performed on the gray scale equilibrium image is;
a numerical detection device, connected to the inverse harmonic mean filtering device, configured to receive the field filtered image, perform a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal, and output the field distortion reciprocal, where the performing a distortion reciprocal extraction operation on the field filtered image to obtain a corresponding field distortion reciprocal includes: performing a distortion reciprocal extraction operation on the field filtering image based on each pixel value of each pixel point of the field filtering image to obtain a corresponding field distortion reciprocal;
the data judgment device is connected with the numerical value detection device and used for receiving the field inverse distortion degree, sending a processing stopping command when the field inverse distortion degree exceeds a preset inverse distortion degree threshold value and sending a continuous processing command when the field inverse distortion degree does not exceed the preset inverse distortion degree threshold value;
a distortion correction device, connected to the data determination device and the numerical value detection device, respectively, for performing an image distortion correction operation on the on-site filtered image to obtain a distortion corrected image and outputting the distortion corrected image when receiving the continuous processing command, and for directly taking the on-site filtered image as the distortion corrected image and outputting the distortion corrected image when receiving the stop processing command;
an object identification device connected with the distortion correction device for identifying one or more wine bottle objects from the distortion corrected image based on wine bottle imaging characteristics;
the pixel point analysis equipment is connected with the object identification equipment and is used for taking the wine bottle object occupying the largest number of pixel points in the distortion correction image as an object to be processed and outputting the area percentage of the distortion correction image occupied by the image to be processed as a representative parameter;
and the LED indicator lamp is also used for carrying out blue lamp display operation when the received representative parameter is not over limit.
2. The intelligent playing performance apparatus of claim 1, wherein:
the histogram equalization device, the inverse harmonic mean filtering device, the numerical value detection device, the data judgment device, the distortion correction device, the object recognition device, and the pixel point analysis device are all disposed inside the wooden casing.
3. The intelligent playing performance apparatus of claim 2, wherein the apparatus further comprises:
and the region segmentation equipment is connected with the high-definition camera equipment and is used for detecting the area of the maximum target in the current image frame and carrying out average region segmentation on the current image frame based on the area of the maximum target so as to obtain a plurality of corresponding image regions.
4. The intelligent playing performance apparatus of claim 3, wherein the apparatus further comprises:
and the mean square error extraction equipment is connected with the region segmentation equipment and is used for calculating the mean square error of each pixel value of each pixel point in each image region to obtain the corresponding region mean square error, and outputting each image region with the region mean square error exceeding a mean square error threshold as each region to be executed.
5. The intelligent playing performance apparatus of claim 4, wherein the apparatus further comprises:
and the mean filtering equipment is respectively connected with the histogram equalization equipment and the mean square error extraction equipment and is used for respectively performing mean filtering processing on each region to be executed so as to obtain each mean filtering image, and integrally replacing the current image frame with each mean filtering image and sending the current image frame to the histogram equalization equipment.
6. The intelligent playing performance apparatus of claim 5, wherein the apparatus further comprises:
the FLASH is connected with the mean square error extraction equipment and is used for pre-storing the mean square error threshold value so as to send the mean square error threshold value to the mean square error extraction equipment when the mean square error extraction equipment is started;
the mean filtering device, the region segmentation device and the mean square error extraction device are respectively realized by adopting CPLD chips with different models.
7. The intelligent playing performance apparatus of claim 6, wherein:
the region segmentation device comprises a target analysis unit and an area measurement unit, wherein the target analysis unit is connected with the area measurement unit;
wherein, in the region segmentation apparatus, performing region segmentation of the current image frame on average based on the area of the maximum target includes: the larger the area of the maximum target is, the larger the area of the obtained image region that performs region segmentation on the current image frame is.
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| CN111325081B (en) * | 2019-04-12 | 2021-06-04 | 山东神驰化工集团有限公司 | Intelligent data information matching system |
| CN110910315B (en) * | 2019-04-12 | 2020-08-11 | 上海宣宇企业管理有限公司 | Intelligent data information matching system and method |
| CN111028515B (en) * | 2019-04-22 | 2020-10-16 | 中天思创信息技术(广东)有限公司 | On-site illegal behavior recognition system |
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