CN112686943A - Car body deceleration platform based on water mark detection - Google Patents
Car body deceleration platform based on water mark detection Download PDFInfo
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Abstract
The invention relates to a vehicle body deceleration platform based on water mark detection, which comprises: the driving control equipment is connected with the driving wheel of the entertainment type rail car and used for providing power for the driving wheel of the entertainment type rail car so as to drive the car body of the entertainment type rail car to run; a speed adjustment device for reducing power provided to a drive wheel of the amusement rail car to reduce a car body speed of the amusement rail car when receiving a water track detection signal; and the button type camera is arranged above the seat of the entertainment type rail car and is used for executing image capturing action on the front live-action so as to obtain a front live-action image. The vehicle body deceleration platform based on water mark detection is intelligent in operation and timely in control. When the fact that suspected spraying port water exists in the front passenger of the rail car is detected, the speed of the rail car is reduced in time, so that discomfort of the front passenger is prevented from increasing, and the rear passenger is prevented from being sprayed by more port water.
Description
Technical Field
The invention relates to the field of data analysis, in particular to a vehicle body deceleration platform based on water mark detection.
Background
The data analysis has an extremely wide application range. A typical data analysis may comprise the following three steps:
1. exploratory data analysis: when the data is just obtained, the data may be disordered and the regularity cannot be seen, and possible forms of regularity are explored by means of drawing, tabulation, equation fitting with various forms, calculation of certain characteristic quantities and the like, namely in what direction and in what way to search and reveal the regularity hidden in the data.
2. And (3) model selection and analysis, wherein one or more types of possible models are proposed on the basis of exploratory analysis, and then certain models are selected through further analysis.
3. And (3) inference analysis: inferences are typically made regarding the degree of reliability and accuracy of a determined model or estimate using mathematical statistical methods.
Disclosure of Invention
In order to solve related problems related to the current field, the invention provides a vehicle body deceleration platform based on water mark detection, which can send out a water mark detection signal when a water target in an image to be detected exceeds a preset area threshold value, so as to identify whether a scene of suspected saliva injection exists in front of a vehicle body seat; it is particularly critical that, upon receipt of the water track detection signal, the power provided to the drive wheels of the amusement ride is reduced to reduce the body speed of the amusement ride, thereby avoiding more undesirable injuries to passengers.
According to an aspect of the present invention, there is provided a vehicle body deceleration platform based on water trail detection, the platform comprising:
the driving control equipment is connected with the driving wheel of the entertainment type rail car and used for providing power for the driving wheel of the entertainment type rail car so as to drive the car body of the entertainment type rail car to run;
the speed adjusting equipment is connected with the driving control equipment and used for reducing power provided for driving wheels of the entertainment type rail car so as to reduce the car body speed of the entertainment type rail car when receiving the water mark detection signal;
the button type camera is arranged above a seat of the entertainment type rail car and used for executing image capturing action on the front live-action to obtain a front live-action image;
the bilateral filtering fuzzy equipment is connected with the button type camera and used for receiving the front live-action image and executing bilateral filtering fuzzy on the front live-action image to obtain a bilateral filtering fuzzy image;
the directional blurring device is connected with the bilateral filtering blurring device and is used for executing directional blurring processing on the received bilateral filtering blurring image to obtain a directional blurring image;
the statistical sorting filtering equipment is connected with the directional blurring equipment and is used for performing statistical sorting filtering processing on the received directional blurring image to obtain a corresponding statistical sorting filtering image;
the high-pass filtering sharpening device is connected with the statistical sorting filtering device and is used for carrying out high-pass filtering sharpening processing on the received statistical sorting filtering image so as to obtain a filtering sharpened image;
and the water mark analysis device is connected with the high-pass filtering sharpening device and is used for receiving the filtering sharpened image, identifying the water body target in the filtering sharpened image and sending a water mark detection signal when the water body target in the filtering sharpened image exceeds a preset area threshold value.
According to another aspect of the invention, a method for slowing down a car body based on water mark detection is also provided, and the method comprises the step of using a car body slowing down platform based on water mark detection as described above for reducing power provided for driving wheels of an amusement type rail car when a water mark detection signal is received so as to reduce the car body speed of the amusement type rail car.
The vehicle body deceleration platform based on water mark detection is intelligent in operation and timely in control. When the fact that suspected spraying port water exists in the front passenger of the rail car is detected, the speed of the rail car is reduced in time, so that discomfort of the front passenger is prevented from increasing, and the rear passenger is prevented from being sprayed by more port water.
Therefore, the invention needs to have the following important points:
(1) when a water target in an image to be detected exceeds a preset area threshold value, a water mark detection signal is sent out, so that whether a scene of suspected saliva jet exists in front of a vehicle body seat is identified;
(2) when the water mark detection signal is received, the power provided for the driving wheel of the entertainment type rail car is reduced so as to reduce the speed of the body of the entertainment type rail car, and therefore more unsuitable injuries to passengers are avoided.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a structural view of an external shape of an amusement rail car to which a car body deceleration platform based on water trail detection is applied according to an embodiment of the present invention.
Detailed Description
Embodiments of the water track detection-based vehicle body deceleration platform of the present invention will be described in detail below with reference to the accompanying drawings.
A hierarchical image analysis process basically has the following four processes:
(1) sensor input: converting the actual object scene into an expression form suitable for computer processing, and converting the three-dimensional object scene into a two-dimensional plane image for processing and analysis;
(2) and (3) dividing: the object and its components are separated from the object scene image, the components are composed of image elements, the object scene is separated into such a hierarchical structure, the knowledge about the object in the object scene is needed to be applied, the division can be generally regarded as a decision process, and the algorithm can be divided into two types of image point technology and area technology. The image point technique is a method of classifying each image point by using a threshold value, for example, a stroke in a character image is obtained by comparing the gray level of the image point with the threshold value, the region technique is a method of detecting a boundary, a line, a region and the like by using the characteristics such as texture, local area gray level contrast and the like, obtaining each component of the image by using the techniques such as region growing, merging, decomposing and the like, and further researching a method such as a relaxation technique in order to further examine the role of the whole image in segmentation;
(3) identification: the objects segmented from the image are given corresponding names, such as roads, bridges, buildings or various machine parts on an industrial automatic assembly line in a natural object scene, and generally classified by using a decision theory and a structural method according to shape and gray scale information, and a series of image models of known objects can be constructed, and objects to be identified are matched and compared with the image models;
(4) explanation: establishing a hierarchical structure of the object scene by combining a heuristic method or a human-computer interaction technology with an identification method, explaining what objects exist in the object scene and what relations exist among the objects, and under the condition of the three-dimensional object scene, deducing the surface trend of the three-dimensional object scene by utilizing various known information of the object scene and knowledge of the constraint relations among objects in the object scene, for example, gray shade, texture change, surface contour line shape and the like in a two-dimensional image; the depth of field can be calculated according to the ranging data or two-dimensional images from different angles, so that the description and explanation of the three-dimensional object scene can be obtained.
In the prior art, on a rail car running at a high speed, due to different physiques of passengers, the passengers feel different in rotation and speed, so that some passengers may vomit spout water, even vomit, if the original running mode of the rail car is still kept unchanged at the moment, the injury to the passengers who spout the spout water is aggravated, and the passengers who are in the back row can bear more spout water or even vomit.
In order to overcome the defects, the invention builds the vehicle body deceleration platform based on water mark detection, and can effectively solve the corresponding technical problem.
Fig. 1 is a structural view of an external shape of an amusement rail car to which a car body deceleration platform based on water trail detection is applied according to an embodiment of the present invention.
The vehicle body deceleration platform based on water trail detection comprises the following components:
the driving control equipment is connected with the driving wheel of the entertainment type rail car and used for providing power for the driving wheel of the entertainment type rail car so as to drive the car body of the entertainment type rail car to run;
the speed adjusting equipment is connected with the driving control equipment and used for reducing power provided for driving wheels of the entertainment type rail car so as to reduce the car body speed of the entertainment type rail car when receiving the water mark detection signal;
the button type camera is arranged above a seat of the entertainment type rail car and used for executing image capturing action on the front live-action to obtain a front live-action image;
the bilateral filtering fuzzy equipment is connected with the button type camera and used for receiving the front live-action image and executing bilateral filtering fuzzy on the front live-action image to obtain a bilateral filtering fuzzy image;
the directional blurring device is connected with the bilateral filtering blurring device and is used for executing directional blurring processing on the received bilateral filtering blurring image to obtain a directional blurring image;
the statistical sorting filtering equipment is connected with the directional blurring equipment and is used for performing statistical sorting filtering processing on the received directional blurring image to obtain a corresponding statistical sorting filtering image;
the high-pass filtering sharpening device is connected with the statistical sorting filtering device and is used for carrying out high-pass filtering sharpening processing on the received statistical sorting filtering image so as to obtain a filtering sharpened image;
the water mark analysis device is connected with the high-pass filtering sharpening device and is used for receiving the filtering sharpened image, identifying a water body target in the filtering sharpened image and sending a water mark detection signal when the water body target in the filtering sharpened image exceeds a preset area threshold;
a rain cover is further arranged above the button camera and used for preventing rainwater from falling onto the camera lens of the button camera;
and the water mark analysis equipment judges whether the pixel value of the pixel point in the filtering sharpened image belongs to the water body pixel point or not based on whether the pixel value of the pixel point falls within the range of the preset water body pixel value or not.
Next, the following description will be made on a specific structure of the water track detection-based vehicle body deceleration platform of the present invention.
In the automobile body deceleration platform based on water mark detects:
the speed regulating device is also used for keeping the power currently provided for the driving wheels of the entertainment railway vehicle unchanged when the water track detection signal is not received.
The vehicle body deceleration platform based on water track detection can further comprise:
and the noise analysis device is connected with the high-pass filtering sharpening device and used for comparing the maximum amplitude values of various noises of the received filtering sharpened image and outputting the maximum value of the maximum amplitude values as a reference amplitude value.
The vehicle body deceleration platform based on water track detection can further comprise:
and the quantity detection device is connected with the noise analysis device and is used for receiving the reference amplitude and determining the quantity of the patterns obtained by cutting the filtered and sharpened image in inverse proportion to the reference amplitude.
In the automobile body deceleration platform based on water mark detects:
in the number detection device, the size of each pattern obtained by performing slicing on the filtered sharpened image is the same, and the number detection device is further configured to output the each pattern.
The vehicle body deceleration platform based on water track detection can further comprise:
and the repeatability processing equipment is connected with the quantity detection equipment and used for executing the repeatability analysis on each pattern of the received filtered and sharpened image to obtain corresponding repeatability, outputting the pattern corresponding to the middle value of each repeatability of each pattern as a target pattern, and the middle value of each repeatability of each pattern is the repeatability corresponding to the central sequence number after sequencing each repeatability of each pattern.
The vehicle body deceleration platform based on water track detection can further comprise:
the data screening device is connected with the repeatability processing device and used for receiving the target pattern and carrying out noise amplitude analysis on the target pattern to obtain a corresponding representative noise amplitude;
and the signal correction device is respectively connected with the water mark analysis device, the repeatability processing device and the data screening device, and is used for performing noise filtering action on each pattern in the filtered and sharpened image based on the representative noise amplitude to obtain each filtered and cut block, combining the filtered and cut blocks to obtain a filtered and processed image corresponding to the filtered and sharpened image, and replacing the filtered and sharpened image with the filtered and processed image to send the filtered and sharpened image to the water mark analysis device.
In the automobile body deceleration platform based on water mark detects:
the water mark analysis device, the repeatability processing device, the data screening device and the signal correction device are respectively realized by ASIC chips with different models.
In the automobile body deceleration platform based on water mark detects:
performing a noise filtering action on each pattern in the filtered sharpened image based on the representative noise amplitude comprises: the larger the representative noise amplitude value is, the higher the amplitude of the noise filtering action performed on each pattern in the filtered and sharpened image is.
Meanwhile, in order to overcome the defects, the invention also provides a water mark detection-based vehicle body deceleration method, which comprises the step of using the water mark detection-based vehicle body deceleration platform for reducing the power provided for the driving wheels of the entertainment type rail vehicle to reduce the vehicle body speed of the entertainment type rail vehicle when receiving a water mark detection signal.
In addition, due to the convenience and good reliability of ASICs, ASICs are increasingly applied to design and development of safety-related products, such as intelligent safety transmitters, safety bus interface devices, or safety controllers. However, how to evaluate the functional safety of the ASIC, including how to evaluate the functional safety of the product when the ASIC is integrated into the product development, is gradually becoming a new problem and hot spot, because of the difference from the conventional analog circuit or general IC. ASICs have some complexity features of their own. For example, there may be hundreds of millions of MOS transistors on an ASIC, each of which may have a failure, and how to judge and control the failure needs to consider the functional safety: also, for example, in the ASIC design process, special tools such as Verilog need to be used, and how to evaluate the applicability of these tools and control the quality of the development process are also problems to be solved.
In 2010, the functional safety base standard IEC61508 issued a second edition: IEC 61508-2010: ED 2.0. Where detailed specifications are made for the development of security-related systems using ASICs, including defining a lifecycle model for the ASICs, requirements for the ASICs to control failures and avoid failures are suggested.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.
Claims (10)
1. A car body deceleration platform based on water mark detection, the platform includes:
the driving control equipment is connected with the driving wheel of the entertainment type rail car and used for providing power for the driving wheel of the entertainment type rail car so as to drive the car body of the entertainment type rail car to run;
the speed adjusting equipment is connected with the driving control equipment and used for reducing power provided for driving wheels of the entertainment type rail car so as to reduce the car body speed of the entertainment type rail car when receiving the water mark detection signal;
the button type camera is arranged above a seat of the entertainment type rail car and used for executing image capturing action on the front live-action to obtain a front live-action image;
the bilateral filtering fuzzy equipment is connected with the button type camera and used for receiving the front live-action image and executing bilateral filtering fuzzy on the front live-action image to obtain a bilateral filtering fuzzy image;
the directional blurring device is connected with the bilateral filtering blurring device and is used for executing directional blurring processing on the received bilateral filtering blurring image to obtain a directional blurring image;
the statistical sorting filtering equipment is connected with the directional blurring equipment and is used for performing statistical sorting filtering processing on the received directional blurring image to obtain a corresponding statistical sorting filtering image;
the high-pass filtering sharpening device is connected with the statistical sorting filtering device and is used for carrying out high-pass filtering sharpening processing on the received statistical sorting filtering image so as to obtain a filtering sharpened image;
the water mark analysis device is connected with the high-pass filtering sharpening device and is used for receiving the filtering sharpened image, identifying a water body target in the filtering sharpened image and sending a water mark detection signal when the water body target in the filtering sharpened image exceeds a preset area threshold;
a rain cover is further arranged above the button camera and used for preventing rainwater from falling onto the camera lens of the button camera;
and the water mark analysis equipment judges whether the pixel value of the pixel point in the filtering sharpened image belongs to the water body pixel point or not based on whether the pixel value of the pixel point falls within the range of the preset water body pixel value or not.
2. The water track detection-based vehicle body deceleration platform of claim 1, wherein:
the speed regulating device is also used for keeping the power currently provided for the driving wheels of the entertainment railway vehicle unchanged when the water track detection signal is not received.
3. The water mark detection-based vehicle body deceleration platform of claim 2, wherein said platform further comprises:
and the noise analysis device is connected with the high-pass filtering sharpening device and used for comparing the maximum amplitude values of various noises of the received filtering sharpened image and outputting the maximum value of the maximum amplitude values as a reference amplitude value.
4. The water mark detection-based vehicle body deceleration platform of claim 3, wherein said platform further comprises:
and the quantity detection device is connected with the noise analysis device and is used for receiving the reference amplitude and determining the quantity of the patterns obtained by cutting the filtered and sharpened image in inverse proportion to the reference amplitude.
5. The water track detection-based vehicle body deceleration platform of claim 4, wherein:
in the number detection device, the size of each pattern obtained by performing slicing on the filtered sharpened image is the same, and the number detection device is further configured to output the each pattern.
6. The water mark detection-based vehicle body deceleration platform of claim 5, wherein said platform further comprises:
and the repeatability processing equipment is connected with the quantity detection equipment and used for executing the repeatability analysis on each pattern of the received filtered and sharpened image to obtain corresponding repeatability, outputting the pattern corresponding to the middle value of each repeatability of each pattern as a target pattern, and the middle value of each repeatability of each pattern is the repeatability corresponding to the central sequence number after sequencing each repeatability of each pattern.
7. The water mark detection-based vehicle body deceleration platform of claim 6, wherein said platform further comprises:
the data screening device is connected with the repeatability processing device and used for receiving the target pattern and carrying out noise amplitude analysis on the target pattern to obtain a corresponding representative noise amplitude;
and the signal correction device is respectively connected with the water mark analysis device, the repeatability processing device and the data screening device, and is used for performing noise filtering action on each pattern in the filtered and sharpened image based on the representative noise amplitude to obtain each filtered and cut block, combining the filtered and cut blocks to obtain a filtered and processed image corresponding to the filtered and sharpened image, and replacing the filtered and sharpened image with the filtered and processed image to send the filtered and sharpened image to the water mark analysis device.
8. The water track detection-based vehicle body deceleration platform of claim 7, wherein:
the water mark analysis device, the repeatability processing device, the data screening device and the signal correction device are respectively realized by ASIC chips with different models.
9. The water track detection-based vehicle body deceleration platform of claim 8, wherein:
performing a noise filtering action on each pattern in the filtered sharpened image based on the representative noise amplitude comprises: the larger the representative noise amplitude value is, the higher the amplitude of the noise filtering action performed on each pattern in the filtered and sharpened image is.
10. A water mark detection based body deceleration method, the method comprising providing a water mark detection based body deceleration platform according to any one of claims 1 to 9 for reducing power to the drive wheels of a railcar upon receipt of a water mark detection signal to reduce the body speed of the railcar.
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Effective date of registration: 20211029 Address after: 225300 609, 6th floor, building a, No. 26, Chengzhong Qingnian Road, Hailing District, Taizhou City, Jiangsu Province Applicant after: Taizhou REBIT Intelligent Technology Co.,Ltd. Address before: 215000 No.310, Southeast Avenue, Southeast Economic Development Zone, Changshu City, Suzhou City, Jiangsu Province Applicant before: Wang Bin |
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Application publication date: 20210420 |