CN111776054A - Multifunctional cart control method - Google Patents
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- CN111776054A CN111776054A CN201910270848.9A CN201910270848A CN111776054A CN 111776054 A CN111776054 A CN 111776054A CN 201910270848 A CN201910270848 A CN 201910270848A CN 111776054 A CN111776054 A CN 111776054A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 53
- 238000012163 sequencing technique Methods 0.000 claims description 12
- 238000003707 image sharpening Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000015654 memory Effects 0.000 description 14
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/24—Safety guards for children, e.g. harness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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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
- G06T5/40—Image enhancement or restoration using histogram techniques
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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
- G06T5/73—Deblurring; Sharpening
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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
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Abstract
The invention relates to a control method of a multifunctional cart, which comprises the following steps: performing, using an adult detection device, an adult target search on the equalized image based on the standard adult profile to issue a first control command when an adult target is searched for, and also to issue a second control command when an adult target is not searched for; and when the first control command is received, the railings around the baby stroller are put down to remove the protection action.
Description
Technical Field
The invention relates to the field of automatic control, in particular to a control method of a multifunctional cart.
Background
Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical treatment, services, and home. The automatic technology can not only liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, but also expand the functions of human organs, greatly improve the labor productivity and enhance the ability of human to know the world and transform the world.
The automation is a high-tech company specially engaged in research, development, production and sale of intelligent automatic control, digitalization and networking controllers and sensors, and a plurality of functional modules and a perfect embedded solution can meet the personalized requirements of a plurality of users to the greatest extent. Large plants in automation systems are also referred to as automation devices. Refers to a process in which a machine or apparatus automatically operates or controls according to a prescribed program or instruction without human intervention. Therefore, automation is an important condition and a significant sign for the modernization of industry, agriculture, national defense and scientific technology.
Disclosure of Invention
The present invention has at least the following important points:
(1) detecting whether an adult target exists in the surrounding environment of the infant stroller or not, so that when the adult target does not exist, the railings around the infant stroller are automatically erected to realize protection action, and the automation level of the infant stroller is improved;
(2) determining the corresponding redundancy of the image based on the maximum sequence number of a sequencing queue obtained by sequencing the gray values of all pixel points in the image on the basis of the color level adjustment processing;
(3) and the user-defined sharpening device is introduced and used for selecting different sharpening mechanisms to perform self-adaptive sharpening processing on the image based on the redundancy of the image, so that the image sharpening effect is ensured and the image operation resource is saved.
According to an aspect of the present invention, there is provided a multi-function cart control method, the method including: using an adult detection device connected to the histogram equalization device for performing an adult target search on the equalization-processed image based on the standard adult profile to issue a first control command when the adult target is searched; the adult detection device is also used for sending a second control command when the adult target is not searched; the guardrail driving device is connected with the adult detection device and used for erecting the railings around the infant trolley to realize protection action when receiving a second control command; the railing driving equipment is also used for putting down railings around the baby stroller to relieve the protection action when receiving the first control command; the data capturing device is arranged on the baby stroller and used for capturing image data towards the surrounding scenes of the baby stroller so as to obtain and output a corresponding surrounding image of the baby stroller; the using parameter adjusting device is connected with the data capturing device and used for receiving images around the trolley and performing color level adjustment on the images around the trolley to obtain and output field adjusting images; and using a custom sharpening device which is respectively connected with the parameter adjusting device and the redundancy identification device and is used for starting image sharpening processing based on Prewitt operator on the received field adjusting image when the redundancy of the received field adjusting image exceeds the limit so as to obtain a corresponding custom sharpened image.
The control method of the multifunctional cart is compact in design, safe and reliable. The detection of whether the adult target exists in the surrounding environment of the baby stroller is carried out, so that when the adult target does not exist, the railings around the baby stroller are automatically erected to realize the protection action, and the automation level of the baby stroller is improved.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a stroller to which a multi-function stroller control system according to an embodiment of the present invention is applied.
Detailed Description
Embodiments of the multi-function cart control method of the present invention will be described in detail below with reference to the accompanying drawings.
The baby stroller is a transportation tool for babies, and can be moved only by assisting in pushing or pulling by people. The baby stroller generally comprises a sunshade, a seat cushion, a sleeping basket and a haze-proof cover, and the service life of the baby stroller is generally three to five years. The age of the baby is taken into consideration when choosing, and the functions of the baby stroller are upgraded to sleep, eat, play and play.
The baby stroller is a favorite transportation vehicle for babies to walk, and is an essential product for mothers to go shopping. However, the stroller can be divided into a variety of types according to the growth and usage of the baby, such as: twins baby carriage, high landscape baby carriage, awning baby carriage, pocket carriage, etc. Mainly according to the standard of the load capacity, and the general test standard is nine to fifteen kilograms. A typical stroller may be used for approximately three to five years.
In the prior art, the baby stroller is widely used, and is usually used for children of 1 to 3 years to take, and generally, adults accompany around the baby stroller, however, if the adults are far away from the baby stroller, for example, when chatting with other people or purchasing commodities, the baby in the baby stroller is easy to fall from the stroller without being cared by others.
In order to overcome the defects, the invention provides a control method of the multifunctional cart, which can effectively solve the corresponding technical problems.
Fig. 1 is a schematic structural diagram of a stroller to which a multi-function stroller control system according to an embodiment of the present invention is applied.
The multifunctional cart control system shown according to the embodiment of the present invention includes:
adult detection equipment, connect with equalization equipment of histogram, is used for carrying out the adult's goal search to the equalization processing picture on the basis of the standard adult appearance, in order to while searching for the adult's goal, send out the first control command;
the adult detection device is also used for sending a second control command when the adult target is not searched;
the railing driving device is connected with the adult detection device and used for erecting railings around the infant trolley to realize protection action when receiving a second control command;
the railing driving equipment is also used for putting down railings around the baby stroller to relieve the protection action when receiving the first control command;
the data capturing device is arranged on the baby stroller and used for capturing image data towards the surrounding scenes of the baby stroller so as to obtain and output a corresponding surrounding image of the baby stroller;
the parameter adjusting device is connected with the data capturing device and used for receiving images around the trolley and performing color level adjustment on the images around the trolley to obtain and output field adjusting images;
the user-defined sharpening device is respectively connected with the parameter adjusting device and the redundancy identification device and is used for starting image sharpening processing based on Prewitt operator on the received field adjustment image when the redundancy of the received field adjustment image exceeds the limit so as to obtain a corresponding user-defined sharpened image;
the user-defined sharpening device is further used for starting sharpening processing on the received on-site adjustment image in the horizontal direction and then sharpening in the vertical direction when the redundancy of the received on-site adjustment image is not over the limit, so that a corresponding user-defined sharpened image is obtained;
the histogram equalization equipment is connected with the custom sharpening equipment and is used for executing histogram equalization processing on the received custom sharpened image so as to obtain and output a corresponding equalized image;
the channel value sequencing equipment is connected with the parameter adjusting equipment and used for receiving the field adjusting image and sequencing the gray values of all pixel points in the field adjusting image to obtain the maximum sequence number of a sequencing queue;
the redundancy identification device is connected with the channel value sequencing device and used for receiving the maximum sequence number and determining the redundancy of the field adjustment image which is inversely proportional to the maximum sequence number;
in the channel value sorting device, sorting the gray values of the pixels in the field adjustment image includes: pixel points with the same gray value occupy the serial number of the same queuing sequence;
the user-defined sharpening device is used for interrupting the image sharpening processing of the received on-site adjustment image based on the Prewitt operator when the redundancy of the received on-site adjustment image is not over the limit;
the user-defined sharpening device is used for interrupting the sharpening processing of the received on-site adjustment image in the horizontal direction and then in the vertical direction when the redundancy of the received on-site adjustment image exceeds the limit.
Next, a detailed description of the multi-function cart control system according to the present invention will be further described.
In the multi-function cart control system:
the user-defined sharpening device is one of a programmable logic device or a field programmable gate array device;
wherein the channel value sorting device is connected with the redundancy identification device through a serial communication interface.
The multifunctional cart control system can further comprise:
the distortion processing equipment is connected with the data capturing equipment and used for receiving the images around the trolley, evenly dividing the images around the trolley into blocks with the sizes of the corresponding blocks based on the distance between the signal-to-noise ratio grade of the images around the trolley and a preset lower limit signal-to-noise ratio grade, selecting corresponding distortion processing with different forces for each block based on the pixel value variance of the block to obtain adjustment blocks, and combining the obtained adjustment blocks to obtain an adjustment combined image; in the distortion processing device, the farther the signal-to-noise ratio level of the cart peripheral image is from a preset lower limit signal-to-noise ratio level, the larger the corresponding block into which the cart peripheral image is equally divided, and in the distortion processing device, the larger the variance of the pixel value of each block is, the smaller the selected distortion processing strength is.
Among the multi-functional shallow control system:
the distortion processing equipment is also connected with the parameter adjusting equipment and used for replacing the images around the cart with the adjusted and combined images and sending the images to the parameter adjusting equipment.
The multifunctional cart control system can further comprise:
the signal-to-noise ratio improving device is connected with the distortion processing device and used for performing signal-to-noise ratio improving operation on the images around the trolley before the distortion processing device performs distortion processing on the images around the trolley and when the signal-to-noise ratio level of the images around the trolley is smaller than the preset lower-limit signal-to-noise ratio level, replacing the images around the trolley with the images around the trolley after the signal-to-noise ratio improving operation and inputting the images to the distortion processing device, and when the signal-to-noise ratio level of the images around the trolley is larger than or equal to the preset lower-limit signal-to-noise ratio level, not performing the signal-to-noise ratio improving operation on the;
and the SGRAM storage device is connected with the distortion processing device and is used for pre-storing the preset lower limit signal-to-noise ratio level.
The multifunctional cart control method according to the embodiment of the invention comprises the following steps:
using an adult detection device connected to the histogram equalization device for performing an adult target search on the equalization-processed image based on the standard adult profile to issue a first control command when the adult target is searched;
the adult detection device is also used for sending a second control command when the adult target is not searched;
the guardrail driving device is connected with the adult detection device and used for erecting the railings around the infant trolley to realize protection action when receiving a second control command;
the railing driving equipment is also used for putting down railings around the baby stroller to relieve the protection action when receiving the first control command;
the data capturing device is arranged on the baby stroller and used for capturing image data towards the surrounding scenes of the baby stroller so as to obtain and output a corresponding surrounding image of the baby stroller;
the using parameter adjusting device is connected with the data capturing device and used for receiving images around the trolley and performing color level adjustment on the images around the trolley to obtain and output field adjusting images;
using a custom sharpening device which is respectively connected with the parameter adjusting device and the redundancy identification device and is used for starting image sharpening processing based on Prewitt operator on the received field adjusting image when the redundancy of the received field adjusting image exceeds the limit so as to obtain a corresponding custom sharpened image;
the user-defined sharpening device is further used for starting sharpening processing on the received on-site adjustment image in the horizontal direction and then sharpening in the vertical direction when the redundancy of the received on-site adjustment image is not over the limit, so that a corresponding user-defined sharpened image is obtained;
using a histogram equalization device connected with the custom sharpening device and used for executing histogram equalization processing on the received custom sharpened image to obtain and output a corresponding equalized image;
using a channel value sequencing device, connected to the parameter adjusting device, for receiving the field adjustment image, and sequencing the gray values of the pixels in the field adjustment image to obtain the maximum sequence number of the sequencing queue;
using a redundancy identification device connected with the channel value sorting device and used for receiving the maximum sequence number and determining the redundancy of the field adjustment image inversely proportional to the maximum sequence number;
in the channel value sorting device, sorting the gray values of the pixels in the field adjustment image includes: pixel points with the same gray value occupy the serial number of the same queuing sequence;
the user-defined sharpening device is used for interrupting the image sharpening processing of the received on-site adjustment image based on the Prewitt operator when the redundancy of the received on-site adjustment image is not over the limit;
the user-defined sharpening device is used for interrupting the sharpening processing of the received on-site adjustment image in the horizontal direction and then in the vertical direction when the redundancy of the received on-site adjustment image exceeds the limit.
Next, the detailed steps of the control method of the multi-function cart according to the present invention will be further described.
The multifunctional cart control method comprises the following steps:
the user-defined sharpening device is one of a programmable logic device or a field programmable gate array device;
wherein the channel value sorting device is connected with the redundancy identification device through a serial communication interface.
The multifunctional cart control method may further include:
using distortion processing equipment, connected with the data capturing equipment, for receiving the images around the cart, equally dividing the images around the cart into blocks with corresponding block sizes based on the distance between the signal-to-noise ratio level of the images around the cart and a preset lower limit signal-to-noise ratio level, selecting corresponding distortion processing with different strengths for each block based on the pixel value variance of the block to obtain adjusted blocks, and combining the obtained adjusted blocks to obtain an adjusted and combined image; in the distortion processing device, the farther the signal-to-noise ratio level of the cart peripheral image is from a preset lower limit signal-to-noise ratio level, the larger the corresponding block into which the cart peripheral image is equally divided, and in the distortion processing device, the larger the variance of the pixel value of each block is, the smaller the selected distortion processing strength is.
The multifunctional cart control method comprises the following steps:
the distortion processing equipment is also connected with the parameter adjusting equipment and used for replacing the images around the cart with the adjusted and combined images and sending the images to the parameter adjusting equipment.
The multifunctional cart control method may further include:
using signal-to-noise ratio improving equipment, which is connected with the distortion processing equipment and used for performing signal-to-noise ratio improving operation on the images around the trolley before the distortion processing equipment performs distortion processing on the images around the trolley and when the signal-to-noise ratio level of the images around the trolley is smaller than the preset lower-limit signal-to-noise ratio level, replacing the images around the trolley with the images around the trolley after the signal-to-noise ratio improving operation and inputting the images to the distortion processing equipment, and when the signal-to-noise ratio level of the images around the trolley is larger than or equal to the preset lower-limit signal-to-noise ratio level, not performing the signal-to-noise ratio improving operation on;
and using an SGRAM storage device, connected with the distortion processing device, and used for pre-storing the preset lower-limit signal-to-noise ratio level.
In addition, the SGRAM is an abbreviation of Synchronous Graphics DRAM, which means that the Synchronous Graphics RAM is a video memory specially designed for a video card, is a video memory with stronger Graphics read-write capability, and is formed by improving SDRAM. The method improves the defect of low video memory transmission rate of low performance in the past, and creates conditions for improving the performance of the display card. The SGRAM reads and writes data not one by one, but uses a Block as a unit, thereby reducing the times of reading and writing the whole memory and improving the efficiency of a graphic controller. But the design and manufacturing cost is higher, and more, the display card is applied to higher-end display cards at that time. At present, such a video memory is not adopted by manufacturers and is replaced by a DDR video memory. SDRAM, Synchronous dynamic random access memory DRAM (SDRAM), was once the most widely used memory type in PC computers, and even today SDRAM still has a place in the market. Since it is a "synchronous dynamic random access memory," it means that its operating speed is synchronized with the system bus speed. The SDRAM memory is divided into different specifications of PC66, PC100, PC133, etc., and the number following the specification represents the maximum normal operating system bus speed of the memory, such as PC100, which means that the memory can operate synchronously in a computer with a system bus of 100 MHz. Synchronous with the system bus speed, namely synchronous with the system clock, thus avoiding unnecessary waiting period and reducing data storage time. Synchronization also allows the memory controller to know during which clock period the data is being requested and therefore the data can begin to be transferred during the pulse rise period. SDRAM uses 3.3 volt working voltage, 168Pin DIMM interface, and the bandwidth is 64 bits. SDRAM is not only used in memories, but also in video memories. SDRAM can work with CPU synchronization, does not have the latency cycle, reduces data transmission delay.
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A multi-function cart control method, the method comprising:
using an adult detection device connected to the histogram equalization device for performing an adult target search on the equalization-processed image based on the standard adult profile to issue a first control command when the adult target is searched;
the adult detection device is also used for sending a second control command when the adult target is not searched;
the guardrail driving device is connected with the adult detection device and used for erecting the railings around the infant trolley to realize protection action when receiving a second control command;
the railing driving equipment is also used for putting down railings around the baby stroller to relieve the protection action when receiving the first control command;
the data capturing device is arranged on the baby stroller and used for capturing image data towards the surrounding scenes of the baby stroller so as to obtain and output a corresponding surrounding image of the baby stroller;
the using parameter adjusting device is connected with the data capturing device and used for receiving images around the trolley and performing color level adjustment on the images around the trolley to obtain and output field adjusting images;
using a custom sharpening device which is respectively connected with the parameter adjusting device and the redundancy identification device and is used for starting image sharpening processing based on Prewitt operator on the received field adjusting image when the redundancy of the received field adjusting image exceeds the limit so as to obtain a corresponding custom sharpened image;
the user-defined sharpening device is further used for starting sharpening processing on the received on-site adjustment image in the horizontal direction and then sharpening in the vertical direction when the redundancy of the received on-site adjustment image is not over the limit, so that a corresponding user-defined sharpened image is obtained;
using a histogram equalization device connected with the custom sharpening device and used for executing histogram equalization processing on the received custom sharpened image to obtain and output a corresponding equalized image;
using a channel value sequencing device, connected to the parameter adjusting device, for receiving the field adjustment image, and sequencing the gray values of the pixels in the field adjustment image to obtain the maximum sequence number of the sequencing queue;
using a redundancy identification device connected with the channel value sorting device and used for receiving the maximum sequence number and determining the redundancy of the field adjustment image inversely proportional to the maximum sequence number;
in the channel value sorting device, sorting the gray values of the pixels in the field adjustment image includes: pixel points with the same gray value occupy the serial number of the same queuing sequence;
the user-defined sharpening device is used for interrupting the image sharpening processing of the received on-site adjustment image based on the Prewitt operator when the redundancy of the received on-site adjustment image is not over the limit;
the user-defined sharpening device is used for interrupting the sharpening processing of the received on-site adjustment image in the horizontal direction and then in the vertical direction when the redundancy of the received on-site adjustment image exceeds the limit.
2. The multi-function cart control method of claim 1, wherein:
the user-defined sharpening device is one of a programmable logic device or a field programmable gate array device;
wherein the channel value sorting device is connected with the redundancy identification device through a serial communication interface.
3. The multi-function cart control method of claim 2, further comprising:
using distortion processing equipment, connected with the data capturing equipment, for receiving the images around the cart, equally dividing the images around the cart into blocks with corresponding block sizes based on the distance between the signal-to-noise ratio level of the images around the cart and a preset lower limit signal-to-noise ratio level, selecting corresponding distortion processing with different strengths for each block based on the pixel value variance of the block to obtain adjusted blocks, and combining the obtained adjusted blocks to obtain an adjusted and combined image; in the distortion processing device, the farther the signal-to-noise ratio level of the cart peripheral image is from a preset lower limit signal-to-noise ratio level, the larger the corresponding block into which the cart peripheral image is equally divided, and in the distortion processing device, the larger the variance of the pixel value of each block is, the smaller the selected distortion processing strength is.
4. The multi-function cart control method of claim 3, wherein:
the distortion processing equipment is also connected with the parameter adjusting equipment and used for replacing the images around the cart with the adjusted and combined images and sending the images to the parameter adjusting equipment.
5. The multi-function cart control method of claim 4, further comprising:
using signal-to-noise ratio improving equipment, which is connected with the distortion processing equipment and used for performing signal-to-noise ratio improving operation on the images around the trolley before the distortion processing equipment performs distortion processing on the images around the trolley and when the signal-to-noise ratio level of the images around the trolley is smaller than the preset lower-limit signal-to-noise ratio level, replacing the images around the trolley with the images around the trolley after the signal-to-noise ratio improving operation and inputting the images to the distortion processing equipment, and when the signal-to-noise ratio level of the images around the trolley is larger than or equal to the preset lower-limit signal-to-noise ratio level, not performing the signal-to-noise ratio improving operation on;
and using an SGRAM storage device, connected with the distortion processing device, and used for pre-storing the preset lower-limit signal-to-noise ratio level.
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|---|---|---|---|---|
| US20130049331A1 (en) * | 2010-06-18 | 2013-02-28 | Aidrianna, LLC | Stroller |
| US20130162396A1 (en) * | 2011-12-22 | 2013-06-27 | National Kaohsiung University Of Applied Sciences | Automatically Controllable Smart Stroller or Wheelchair |
| CN205273563U (en) * | 2015-11-09 | 2016-06-01 | 吴宇平 | Novel folded cascade perambulator |
| CN108189898A (en) * | 2017-12-29 | 2018-06-22 | 冯长久 | A kind of intelligence stroller and its implementation |
| CN109841086A (en) * | 2019-03-26 | 2019-06-04 | 宋贤 | Radio communication control apparatus |
| CN110392162A (en) * | 2019-04-24 | 2019-10-29 | 桑尼环保（江苏）有限公司 | Environmental monitoring platform based on signal analysis |
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2019
- 2019-04-04 CN CN201910270848.9A patent/CN111776054A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130049331A1 (en) * | 2010-06-18 | 2013-02-28 | Aidrianna, LLC | Stroller |
| US20130162396A1 (en) * | 2011-12-22 | 2013-06-27 | National Kaohsiung University Of Applied Sciences | Automatically Controllable Smart Stroller or Wheelchair |
| CN205273563U (en) * | 2015-11-09 | 2016-06-01 | 吴宇平 | Novel folded cascade perambulator |
| CN108189898A (en) * | 2017-12-29 | 2018-06-22 | 冯长久 | A kind of intelligence stroller and its implementation |
| CN109841086A (en) * | 2019-03-26 | 2019-06-04 | 宋贤 | Radio communication control apparatus |
| CN110392162A (en) * | 2019-04-24 | 2019-10-29 | 桑尼环保（江苏）有限公司 | Environmental monitoring platform based on signal analysis |
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Application publication date: 20201016 |