阅读说明：本技术 一种高度调节的方法 (A kind of method of height adjustment ) 是由 周群 于 2018-05-25 设计创作，主要内容包括：本发明涉及一种高度调节的方法,包括提供一种高度可调节式餐桌来进行调节高度,所述高度可调节式餐桌包括：高度调节设备,与餐桌的可伸展支腿连接,用于接收参考高度,并基于所述参考高度对所述可伸展支腿进行伸展长度调整,以使得所述餐桌的高度等于所述参考高度；实时采集设备,用于对餐桌周围场景进行实时图像数据采集,以输出实时餐桌图像；数据提取设备,与碎片组合设备连接,用于接收碎片组合图像,基于预设腿部图像特征从所述碎片组合图像中识别出多个腿部子图像,基于每一个腿部子图像的高度确定并输出所述参考高度。通过本发明,使得餐桌高度能够适应不同人群。(The present invention relates to a kind of methods of height adjustment, height is adjusted including providing a kind of height-adjustable type dining table, the height-adjustable type dining table includes: height adjusting apparatus, it is connect with the extensible supporting leg of dining table, for receiving reference altitude, and spread length adjustment is carried out to the extensible supporting leg based on the reference altitude, so that the height of the dining table is equal to the reference altitude；Acquisition equipment in real time, for carrying out real time image data acquisition to scene around dining table, to export real-time dining table image；Data extraction device, it is connect with fragment unit equipment, for receiving fragment combination image, multiple leg subgraphs are identified from fragment combination image based on default leg characteristics of image, the height determination based on each leg subgraph simultaneously exports the reference altitude.Through the invention, so that dining table height can adapt to different crowd.)

1. a kind of method of height adjustment, including a kind of height-adjustable type dining table is provided height, the height is adjusted Adjustable dining table includes:

Height adjusting apparatus is connect with the extensible supporting leg of dining table, for receiving reference altitude, and is based on the reference altitude pair The extensible supporting leg carries out spread length adjustment, so that the height of the dining table is equal to the reference altitude；

Acquisition equipment in real time, for carrying out real time image data acquisition to scene around dining table, to export real-time dining table image.

2. the method as described in claim 1, which is characterized in that the dining table further include:

Early warning controls equipment, connect with the real-time acquisition equipment, for receiving the real-time dining table image, extracts the reality When dining table image in each pixel each pixel value, based on each of each pixel in the real-time dining table image Calculated for pixel values standard deviation, and when the standard deviation transfinites, pre-warning signal is blocked in sending, and does not transfinite in the standard deviation When, issue unobstructed standby signal.

3. method according to claim 2, which is characterized in that the dining table further include:

Subgraph component devices connects with early warning control equipment, for receive it is described block pre-warning signal when, extraction Each brightness value of each pixel in the real-time dining table image, and the picture by brightness value less than or equal to predetermined luminance threshold value Vegetarian refreshments as pixel is blocked, remove in the real-time dining table image it is isolated block pixel, by the real-time dining table image In each non-orphaned block pixel composition and each block subgraph.

4. method as claimed in claim 3, which is characterized in that the dining table further include:

Controlling alarm equipment is connect with the subgraph component devices, for receiving each screening in the real-time dining table image Blind image, calculates quantity that each blocks pixel occupied by subgraph using as the corresponding area for blocking subgraph, The subgraph that blocks that area is less than or equal to preset area threshold value is rejected, remaining each each area for blocking subgraph is tired out Meter to obtain blocks the gross area, and it is described block the gross area and transfinite when, alarm signal is blocked in sending, and it is described block it is total When area does not transfinite, signal unconfirmed is blocked in sending；

Decision Control equipment is connect with the controlling alarm equipment, for receive it is described block signal unconfirmed when, starting To the median filtering operation of the real-time dining table image, the filtered image replacement real-time dining table image is exported, also For receive it is described block alarm signal, the alarm signal of blocking is wirelessly transmitted at the management server of distal end；

Noise identification equipment is connect, for receiving the real-time dining table image, to the real-time meal with the real-time acquisition equipment Table image carries out noise type analysis, to obtain various noise types and each noise type in the real-time dining table image Corresponding maximum amplitude, and the sequence from big to small based on maximum amplitude is ranked up the various noise types, by sequence Number first five five kinds of noise types are as five kinds of noise types to be processed outputs；The noise identification equipment is by CPLD chip Lai real It is existing, it is also integrated with memory in the CPLD chip, is used for the storage class weight table of comparisons, the type weight table of comparisons saves Influence coefficient of each noise type to binarization threshold, is also used to storing initial binarization threshold；

Data correction equipment is connect with the noise identification equipment, for receive described five kinds noise types to be processed, it is described just Beginningization binarization threshold and the type weight table of comparisons determine that described five kinds to be processed are made an uproar based on the type weight table of comparisons The corresponding five influences coefficient of sound type, and the initialization binarization threshold is carried out using five influence coefficients Correction processing in order, to obtain the correction threshold value corrected after being disposed, and exports the correctionization threshold value；

Normalized equipment is connect with the data correction equipment, using the correctionization threshold value to the real-time dining table figure As executing binary conversion treatment, to obtain image to be detected, and described image to be detected is exported；

Image equalization equipment is connect with the normalized equipment, for receiving described image to be detected, and to described to be checked Altimetric image executes white balance processing, to obtain corresponding white balance image, and exports the white balance image；

It is homogenized processing equipment, is connect with described image equalizing equipment, for receiving the white balance image, to the white balance figure As executing homogenizing piecemeal processing, to obtain each homogenizing fragment；

Mean value measuring device is connect with the homogenizing processing equipment, for receiving each homogenizing fragment, to each homogenizing Fragment executes following operation: obtaining the mean value of the brightness value of each pixel of the homogenizing fragment；

Deviation detection equipment is connect with the mean value measuring device, for receiving each mean value of each homogenizing fragment, and is based on Each mean value of each homogenizing fragment determines the image level luminance mean value of the white balance image, by mean value to described image The homogenizing fragment that the absolute value of the difference of grade luminance mean value transfinites is homogenized fragment as target, and exports in the white balance image Each target is homogenized fragment；

Equipment is deepened at edge, is connect with the deviation detection equipment, is deepened for executing edge to each target homogenizing fragment Processing to obtain corresponding intensification homogenizing fragment, and exports the homogenizing fragment of each intensification in the white balance image；

Fragment unit equipment deepens equipment with the edge respectively and the deviation detection equipment is connect, for receiving each add Deep homogenizing fragment and each homogenizing fragment to be filled, by each intensification homogenizing fragment and each homogenizing fragment to be filled Combination to obtain fragment combination image, and exports the fragment combination image；

Data extraction device is connect with the fragment unit equipment, for receiving the fragment combination image, based on default leg Characteristics of image identifies multiple leg subgraphs from fragment combination image, and the height based on each leg subgraph is true Determine and exports the reference altitude.

5. method as claimed in claim 4, it is characterised in that:

In the data extraction device, the height based on each leg subgraph is determining and exports the reference altitude The height for comprising determining that each leg subgraph is ranked up the height of each leg subgraph, selects central serial number Height is used as the reference altitude.

6. method as claimed in claim 4, it is characterised in that:

In the data extraction device, the height based on each leg subgraph is determining and exports the reference altitude The height for comprising determining that each leg subgraph calculates the mean value of the height of each leg subgraph using as the reference Highly.

7. the method as described in claim 5-6 is any, it is characterised in that:

Filter window size used in the median filtering operation to described to block the gross area directly proportional.

8. the method for claim 7, it is characterised in that:

In the deviation detection equipment, by the white balance image in addition to each target homogenizing fragment multiple homogenizing fragments As multiple homogenizing fragments to be filled, and export the multiple homogenizing fragment to be filled.

9. method according to claim 8, it is characterised in that:

In the fragment unit equipment, the resolution ratio and the resolution ratio phase of the white balance image of the fragment combination image Together.

Technical field

The present invention relates to automation dining table field more particularly to a kind of methods of height adjustment.

Background technique

Dining table is the desk for dining being fabricated to solid wood for main material.The furniture that general solid wood is constituted seldom is mixed It is miscellaneous to have other materials, it is all seldom used from main material and auxiliary material, four feet and panel are solid wood, between four feet Connection is also in this way by stamping the connection between hole and panel between each pillar of four feet largely.

Summary of the invention

In order to solve current dining table height can not adapt to difference have dinner crowd the technical issues of, the present invention provides a kind of high Adjustable dining table is spent, by the statistical result to dining table surrounding body's leg length, automatically controls the height of dining table with convenient The use of user, wherein by the custom analysis to image, the processing strategie to image is driven, is included in when blocking unconfirmed, Start the median filtering operation to image, it, will by the replacement described image output of filtered image, and in determining block The alarm signal of blocking is wirelessly transmitted at the management server of distal end, in order to take remote control measure, overcomes scene Occlusion issue；Noise measuring and analysis to image is realized using CPLD chip, on this basis, using data correction equipment The self-adapting correction for executing segmentation threshold, to improve the accuracy of subsequent detection；Each homogenizing fragment of image is carried out bright Mean analysis is spent, is deviateed at each homogenizing fragment and the corresponding orientation edge intensification of progress of image level luminance mean value with determining Reason, to reduce meaningless operation.

According to an aspect of the present invention, a kind of method of height adjustment is provided, including a kind of height-adjustable type is provided Dining table is adjusted height, and the height-adjustable type dining table includes:

Height adjusting apparatus is connect with the extensible supporting leg of dining table, for receiving reference altitude, and based on described with reference to high Degree carries out spread length adjustment to the extensible supporting leg, so that the height of the dining table is equal to the reference altitude；In real time Equipment is acquired, for carrying out real time image data acquisition to scene around dining table, to export real-time dining table image.

More specifically, in the height-adjustable type dining table, further includes:

Early warning controls equipment, connect with the real-time acquisition equipment, for receiving the real-time dining table image, extracts institute The each pixel value for stating each pixel in real-time dining table image, based on each pixel in the real-time dining table image Pre-warning signal is blocked in each calculated for pixel values standard deviation, and when the standard deviation transfinites, sending, and the standard deviation not When transfiniting, unobstructed standby signal is issued.

More specifically, in the height-adjustable type dining table, further includes:

Subgraph component devices connects with early warning control equipment, when for blocking pre-warning signal described in receive, Each brightness value of each pixel in the real-time dining table image is extracted, and brightness value is less than or equal to predetermined luminance threshold value Pixel as pixel is blocked, remove in the real-time dining table image it is isolated block pixel, by the real-time dining table Each non-orphaned in image blocks pixel composition and each blocks subgraph.

More specifically, in the height-adjustable type dining table, further includes:

Controlling alarm equipment is connect with the subgraph component devices, each in the real-time dining table image for receiving It is a to block subgraph, quantity that each blocks pixel occupied by subgraph is calculated using as the corresponding face for blocking subgraph Product is rejected the subgraph that blocks that area is less than or equal to preset area threshold value, by remaining each each face for blocking subgraph Accumulation meter to obtain blocks the gross area, and it is described block the gross area and transfinite when, alarm signal is blocked in sending, and in the screening When the gear gross area does not transfinite, signal unconfirmed is blocked in sending；Decision Control equipment connect with the controlling alarm equipment, is used for Receive it is described block signal unconfirmed when, start the median filtering operation to the real-time dining table image, after filtering The image replacement real-time dining table image output, be also used to receive it is described block alarm signal, block alarm for described Signal is wirelessly transmitted at the management server of distal end；Noise identification equipment is connect, for receiving with the real-time acquisition equipment The real-time dining table image carries out noise type analysis to the real-time dining table image, to obtain in the real-time dining table image Various noise types and the corresponding maximum amplitude of each noise type, and the sequence from big to small based on maximum amplitude is right The various noise types are ranked up, and using serial number, first five five kinds of noise types are exported as five kinds of noise types to be processed； The noise identification equipment is realized by CPLD chip, is also integrated with memory in the CPLD chip, is weighed for storage class The weight table of comparisons, the type weight table of comparisons save influence coefficient of each noise type to binarization threshold, are also used to Storing initial binarization threshold；Data correction equipment is connect with the noise identification equipment, for receiving described five kinds wait locate Noise type, the initialization binarization threshold and the type weight table of comparisons are managed, it is true based on the type weight table of comparisons Corresponding five influence coefficient of fixed five kinds of noise types to be processed, and using five influence coefficients at the beginning of described Beginningization binarization threshold carries out correction processing in order, to obtain the correction threshold value corrected after being disposed, and exports institute State correctionization threshold value；Normalized equipment is connect with the data correction equipment, using the correctionization threshold value to the reality When dining table image execute binary conversion treatment, to obtain image to be detected, and export described image to be detected；Image equalization equipment, It is connect with the normalized equipment, executes white balance for receiving described image to be detected, and to described image to be detected Processing, to obtain corresponding white balance image, and exports the white balance image；It is homogenized processing equipment, it is balanced with described image Equipment connection executes homogenizing piecemeal processing to the white balance image for receiving the white balance image, each equal to obtain Change fragment；Mean value measuring device is connect with the homogenizing processing equipment, for receiving each homogenizing fragment, to each It is homogenized fragment and executes following operation: obtaining the mean value of the brightness value of each pixel of the homogenizing fragment；Deviation detection equipment, It is connect with the mean value measuring device, for receiving each mean value of each homogenizing fragment, and is based on each homogenizing fragment Each mean value determine the image level luminance mean value of the white balance image, by the difference of mean value to described image grade luminance mean value The homogenizing fragment that absolute value transfinites is homogenized fragment as target, and it is broken to export the homogenizing of each target in the white balance image Piece；Equipment is deepened at edge, is connect with the deviation detection equipment, for executing at edge intensification to each target homogenizing fragment Reason to obtain corresponding intensification homogenizing fragment, and exports the homogenizing fragment of each intensification in the white balance image；Fragment combination Equipment is deepened equipment and the deviation detection equipment with the edge respectively and connect, for receive each intensifications be homogenized fragment with Each homogenizing fragment to be filled combines each intensification homogenizing fragment and each homogenizing fragment to be filled, to obtain Fragment combines image, and exports the fragment combination image；Data extraction device connect with the fragment unit equipment, is used for The fragment combination image is received, multiple leg are identified from fragment combination image based on default leg characteristics of image Image, it is determining based on the height of each leg subgraph and export the reference altitude.

More specifically, in the height-adjustable type dining table: described to be based on each in the data extraction device The height of leg subgraph is determining and exports the height that the reference altitude comprises determining that each leg subgraph, to each The height of leg subgraph is ranked up, and selects the height of central serial number as the reference altitude.

More specifically, in the height-adjustable type dining table: described to be based on each in the data extraction device The height of leg subgraph is determining and exports the height that the reference altitude comprises determining that each leg subgraph, calculates each The mean value of the height of a leg subgraph is using as the reference altitude.

More specifically, in the height-adjustable type dining table: filter window used in the median filtering operation is big It is small to described to block the gross area directly proportional.

More specifically, in the height-adjustable type dining table: in the deviation detection equipment, by the white balance figure As in addition to each target homogenizing fragment multiple homogenizing fragments as multiple homogenizing fragments to be filled, and export it is the multiple to Filling homogenizing fragment.

More specifically, in the height-adjustable type dining table: in the fragment unit equipment, the fragment constitutional diagram The resolution ratio of picture is identical as the resolution ratio of the white balance image.

Specific embodiment

Embodiment of the present invention will be described in detail below.

Dining table can be divided by shape: round wooden dining table, rectangular solid wood dining table, square wooden dining table, polygon are real Wooden dining table etc..It is most of to use round dining table or elliptical dining table if dining number is more generally in dining.Square Dining table and rectangle dining table are generally adapted four people dining, and four people are each a side, have meal also convenient.

In order to overcome above-mentioned deficiency, a kind of method that the present invention builds height adjustment, including provide a kind of height-adjustable Formula dining table is adjusted height, and the height-adjustable type dining table is able to solve corresponding technical problem.

The height-adjustable type dining table shown according to an embodiment of the present invention includes:

Height adjusting apparatus is connect with the extensible supporting leg of dining table, for receiving reference altitude, and based on described with reference to high Degree carries out spread length adjustment to the extensible supporting leg, so that the height of the dining table is equal to the reference altitude；

Acquisition equipment in real time, for carrying out real time image data acquisition to scene around dining table, to export real-time dining table figure Picture.

Then, continue that the specific structure of height-adjustable type dining table of the invention is further detailed.

In the height-adjustable type dining table, further includes:

Early warning controls equipment, connect with the real-time acquisition equipment, for receiving the real-time dining table image, extracts institute The each pixel value for stating each pixel in real-time dining table image, based on each pixel in the real-time dining table image Pre-warning signal is blocked in each calculated for pixel values standard deviation, and when the standard deviation transfinites, sending, and the standard deviation not When transfiniting, unobstructed standby signal is issued.

In the height-adjustable type dining table, further includes:

Subgraph component devices connects with early warning control equipment, when for blocking pre-warning signal described in receive, Each brightness value of each pixel in the real-time dining table image is extracted, and brightness value is less than or equal to predetermined luminance threshold value Pixel as pixel is blocked, remove in the real-time dining table image it is isolated block pixel, by the real-time dining table Each non-orphaned in image blocks pixel composition and each blocks subgraph.

In the height-adjustable type dining table, further includes:

Controlling alarm equipment is connect with the subgraph component devices, each in the real-time dining table image for receiving It is a to block subgraph, quantity that each blocks pixel occupied by subgraph is calculated using as the corresponding face for blocking subgraph Product is rejected the subgraph that blocks that area is less than or equal to preset area threshold value, by remaining each each face for blocking subgraph Accumulation meter to obtain blocks the gross area, and it is described block the gross area and transfinite when, alarm signal is blocked in sending, and in the screening When the gear gross area does not transfinite, signal unconfirmed is blocked in sending；

Decision Control equipment is connect with the controlling alarm equipment, for receive it is described block signal unconfirmed when, Start the median filtering operation to the real-time dining table image, it is defeated that filtered image is replaced the real-time dining table image Out, be also used to receive it is described block alarm signal, by the management service blocked alarm signal and be wirelessly transmitted to distal end At device；

Noise identification equipment is connect, for receiving the real-time dining table image, to the reality with the real-time acquisition equipment When dining table image carry out noise type analysis, to obtain various noise types and each noise in the real-time dining table image The corresponding maximum amplitude of type, and the sequence from big to small based on maximum amplitude is ranked up the various noise types, Using serial number first five five kinds of noise types as five kinds of noise types to be processed outputs；The noise identification equipment is by CPLD chip It realizes, is also integrated with memory in the CPLD chip, be used for the storage class weight table of comparisons, the type weight table of comparisons Influence coefficient of each noise type to binarization threshold is saved, storing initial binarization threshold is also used to；

Data correction equipment is connect with the noise identification equipment, for receiving described five kinds noise types to be processed, institute State the initialization binarization threshold and type weight table of comparisons, based on the type weight table of comparisons determine described five kinds wait locate The corresponding five influences coefficient of noise type is managed, and using five influence coefficients to the initialization binarization threshold Correction processing in order is carried out, to obtain the correction threshold value corrected after being disposed, and exports the correctionization threshold value；

Normalized equipment is connect with the data correction equipment, using the correctionization threshold value to the real-time meal Table image executes binary conversion treatment, to obtain image to be detected, and exports described image to be detected；

Image equalization equipment is connect, for receiving described image to be detected, and to described with the normalized equipment Image to be detected executes white balance processing, to obtain corresponding white balance image, and exports the white balance image；

It is homogenized processing equipment, is connect with described image equalizing equipment, for receiving the white balance image, to described white flat The image that weighs executes homogenizing piecemeal processing, to obtain each homogenizing fragment；

Mean value measuring device is connect with the homogenizing processing equipment, for receiving each homogenizing fragment, to each It is homogenized fragment and executes following operation: obtaining the mean value of the brightness value of each pixel of the homogenizing fragment；

Deviation detection equipment is connect with the mean value measuring device, for receiving each mean value of each homogenizing fragment, and The image level luminance mean value that the white balance image is determined based on each mean value of each homogenizing fragment, by mean value described in The homogenizing fragment that the absolute value of the difference of image level luminance mean value transfinites is homogenized fragment as target, and exports the white balance image In each target be homogenized fragment；

Equipment is deepened at edge, is connect with the deviation detection equipment, for executing edge to each target homogenizing fragment Intensification processing to obtain corresponding intensification homogenizing fragment, and exports the homogenizing fragment of each intensification in the white balance image；

Fragment unit equipment deepens equipment with the edge respectively and the deviation detection equipment is connect, each for receiving A intensification homogenizing fragment and each homogenizing fragment to be filled, by each intensification homogenizing fragment and each homogenizing to be filled Fragment combination to obtain fragment combination image, and exports the fragment combination image；

Data extraction device is connect with the fragment unit equipment, for receiving the fragment combination image, based on default Leg characteristics of image identifies multiple leg subgraphs, the height based on each leg subgraph from fragment combination image Degree determines and exports the reference altitude.

In the height-adjustable type dining table: described to be based on each leg subgraph in the data extraction device The height of picture is determining and exports the height that the reference altitude comprises determining that each leg subgraph, to each leg subgraph The height of picture is ranked up, and selects the height of central serial number as the reference altitude.

In the height-adjustable type dining table: described to be based on each leg subgraph in the data extraction device The height of picture is determining and exports the height that the reference altitude comprises determining that each leg subgraph, calculates each leg The mean value of the height of image is using as the reference altitude.

In the height-adjustable type dining table: filter window size used in the median filtering operation and the screening It is directly proportional to keep off the gross area.

In the height-adjustable type dining table: in the deviation detection equipment, by the white balance image in addition to Multiple homogenizing fragments of each target homogenizing fragment export the multiple homogenizing to be filled as multiple homogenizing fragments to be filled Fragment.

And in the height-adjustable type dining table: in the fragment unit equipment, the fragment combination image Resolution ratio is identical as the resolution ratio of the white balance image.

In addition, CPLD has, flexible in programming, integrated level are high, design and develop that the period is short, the scope of application is wide, developing instrument is first Into, design and manufacture cost, low, standardized product low to the hardware skill requirement of designer is without test, strong security, price masses The features such as change, it can be achieved that fairly large circuit design, is therefore widely used in the prototype and production (one of product As at 10,000 or less) among.Nearly all occasion using middle and small scale general digital integrated circuit can apply CPLD Device.CPLD device has become the indispensable component part of electronic product, its design and application becomes Electronics Engineer must A kind of standby technical ability.

CPLD is a kind of user according to respective the need and voluntarily digital integrated electronic circuit of constitutive logic function.Its Basic Design Method is, with the methods of schematic diagram, hardware description language, to generate corresponding file destination by Integrated Development software platform, is led to It crosses download cable (" in system " programming) code is transmitted in objective chip, realizes the digital display circuit of design.

Using height-adjustable type dining table of the invention, for the skill that dining table height can not be adjusted adaptively in the prior art Art problem automatically controls the height of dining table by the statistical result to dining table surrounding body's leg length to facilitate making for user With, wherein by the custom analysis to image, the processing strategie to image is driven, is included in when blocking unconfirmed, starts to figure The median filtering operation of picture by the replacement described image output of filtered image, and in determining block, is blocked described Alarm signal is wirelessly transmitted at the management server of distal end, in order to take remote control measure, blocking for scene is overcome to ask Topic；Realize that noise measuring and analysis to image execute segmentation using data correction equipment on this basis using CPLD chip The self-adapting correction of threshold value, to improve the accuracy of subsequent detection；Luminance mean value point is carried out to each homogenizing fragment of image Analysis is reduced with determining each the homogenizing fragment and the corresponding orientation edge intensification processing of progress that deviate image level luminance mean value Meaningless operation, to solve above-mentioned technical problem.

It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection It is interior.