CN104701684A - Intelligent socket system for preventing infant from getting electric shock in dark environment - Google Patents
Intelligent socket system for preventing infant from getting electric shock in dark environment Download PDFInfo
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- CN104701684A CN104701684A CN201510150096.4A CN201510150096A CN104701684A CN 104701684 A CN104701684 A CN 104701684A CN 201510150096 A CN201510150096 A CN 201510150096A CN 104701684 A CN104701684 A CN 104701684A
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- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 230000004069 differentiation Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000010606 normalization Methods 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- LHMQDVIHBXWNII-UHFFFAOYSA-N 3-amino-4-methoxy-n-phenylbenzamide Chemical compound C1=C(N)C(OC)=CC=C1C(=O)NC1=CC=CC=C1 LHMQDVIHBXWNII-UHFFFAOYSA-N 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000000513 principal component analysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention discloses an intelligent socket system for preventing an infant from getting an electric shock in a dark environment. The intelligent socket system utilizes an improved Fisher face technology to recognize the face in the dark environment, and a power supply is automatically turned off to prevent the infant from accidentally getting the electric shock. The intelligent socket system comprises an image pickup and acquisition unit, an optical correction unit, a face detection unit, a feature disjunction unit, a feature judgment unit and a power control unit.
Description
Technical field
The present invention relates to a kind of in dark situation anti-child to get an electric shock intelligent socket system, belong to socket device.
Background technology
In dark situation, because light luminance is poor, the accidental touching socket of child produces electric shock accidents, and face recognition is we provide the resolving ideas that this type of accident occurs a kind of child of preventing.Textural characteristics is a kind of characteristics of image of basic difference, and it shows as illumination-insensitive, can provide and describe effect reliably under dark situation.Local binary patterns is a kind of operator being used for Description Image Local textural feature, and proposed in 1994 by T.Ojala etc., it has the remarkable advantage such as rotational invariance and gray scale consistency.
Belhumeur etc. propose Fei Xier face face identification method, and the method utilizes principal component analysis technology to carry out dimensionality reduction to face.But Fei Xier method Lis Hartel used is levied for brightness change very responsive, very large to the Accuracy identified in dark situation, in order to weaken light on the impact of recognition of face effect, local binary patterns is used to extract the textural characteristics of image, define a kind of modified model face identification system, enhance in dark situation recognition of face effect.
The invention discloses a kind of in dark situation anti-child to get an electric shock intelligent socket system, can in dark situation, the situation not by other light source is effectively worked, reduces child and in dark situation, touches socket and the electric shock accidents that produces.
Summary of the invention
The invention discloses a kind of in dark situation anti-child to get an electric shock intelligent socket system, this system utilizes the Fei Xier face technology improved, and this intelligent socket system is identified face in dark situation, automatic cut-off power, prevents child's accidental shock from occurring.Described system comprises shooting collecting unit, optical correction unit, Face datection unit, characteristic extraction unit, feature decision unit, power control unit.
The present invention further discloses described shooting collecting unit, it is characterized in that: comprise fish eye lens, take ZC301 as the USB video acquisition module of process chip, for carrying out the collection of consecutive image, and the consecutive image input optical correction unit that will collect;
The present invention further discloses described optical correction unit, it is characterized in that: with the TW-2871 of Intersil company for main control chip, for calibrating the hemisphere image collected, and the image after calibration being inputed to Face datection unit;
The present invention further discloses described Face datection unit, it is characterized in that: with the ZL-SO621 of Sony company for main control chip, be normalized for retrieving face from image, and the image after normalization is inputed to characteristic extraction unit;
The present invention further discloses described characteristic extraction unit, it is characterized in that: with the EP2C5Q208C8N of altera corp for main control chip, for carrying out feature extraction to the image after calibration, and characteristics of image being inputed to feature decision unit;
The present invention further discloses described feature decision unit, it is characterized in that: with the Cortex-A7 of ARM company for main control chip, for carrying out two discriminant classifications to the characteristics of image extracted, and differentiation result being inputed to power control unit.
The present invention in the dark situation of luminance difference, not by the auxiliary irradiation of external light source, can effectively identify the face of child, can reduce the electric shock accidents that child in dark situation touches socket generation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is structure principle chart of the present invention.
Embodiment
Below in conjunction with Figure of description, concrete structure of the present invention is described in detail.
As shown in Figure 1, the present invention includes shooting collecting unit, optical correction unit, Face datection unit, characteristic extraction unit, feature decision unit, power control unit; Described shooting collecting unit, for carrying out the collection of consecutive image, and the consecutive image input optical correction unit that will collect; Described optical correction unit, for calibrating the image collected, and inputs to Face datection unit by the image after calibration; Described Face datection unit, is normalized for retrieving face from image, and the image after normalization is inputed to characteristic extraction unit; Described characteristic extraction unit, for carrying out feature extraction to the image after calibration, and inputs to feature decision unit by characteristics of image; Described feature decision unit, for carrying out two discriminant classifications to the characteristics of image extracted, and inputs to power control unit by differentiation result; Described power control unit, for reading differentiation result, and controls electric power break-make.
First to a kind of in dark situation the get an electric shock basic structure of intelligent socket system of anti-child be described.With reference to Fig. 1, normally start rear operational process according to system:
(1) design of shooting collecting unit:
Fish eye lens, carries out IMAQ, and wide-angle view can ensure that the image range collected is enough large, but the image after imaging creates barrel distortion;
ZC301 chip adopts the hard compress mode of JPEG, and is sent to optical correction unit by bus;
(2) design of optical correction unit:
TW-2871 chip be a height integrated flake calibration large scale integrated chip (LSI chip), with Built-in Image processor, it can rotate image, tilt and convergent-divergent under non-physical moves prerequisite, support that high definition exports and four line modulating output, the image that ZC301 chip exports can be calibrated by it;
(3) design of Face datection unit:
ZL-SO621 is the Face datection chip of emerging supply of standing upright, support 650 line superelevation horizontal resolutions and the wide dynamic function of numeral, can judge whether it exists face to the facial image of input or video flowing, if existed, then provide the positional information of each face further, the picture input subsequent characteristics comprising face is extracted and carries out recognition of face, and input to characteristic extraction unit by SDI bus;
(4) design of characteristic extraction unit:
EP2C5Q208C8N chip is a high performance on-site programmable gate array, it has 13 18 × 18 hardware multipliers and reaches 142 User Defined input/output ports, plate provides jumbo synchronous dynamic random-access Inner to deposit and the memory cell such as flash memory, there is the extension socket of the 2.54mm spacing of standard.By the process of chip, the picture of input can be converted into texture feature vector, this texture feature vector is input to feature decision unit;
(5) design of feature decision unit:
Cortex-A7 chip is a high-performance microprocessor chip based on ARMv7-A framework released by ARM company, have employed and comprise the brand new technical such as virtual, large physical address extension and AMBA 4 ACE consistency, and consider emphatically the balance between performance and power consumption.In this chip, adopt Python environment, use the naive Bayesian two in SCIKIT machine learning storehouse to classify grader modeling, the picture texture feature vector that characteristic extraction unit obtains is analyzed, and the personage in recognition image.
Claims (1)
1. in dark situation, anti-child gets an electric shock an intelligent socket system, it is characterized in that, comprises shooting collecting unit, optical correction unit, Face datection unit, characteristic extraction unit, feature decision unit, power control unit;
(A) described shooting collecting unit, comprises fish eye lens, take ZC301 as the USB video acquisition module of process chip, for carrying out the collection of consecutive image, and the consecutive image input optical correction unit that will collect;
(B) described optical correction unit, with the TW-2871 of Intersil company for main control chip, for calibrating the hemisphere image collected, and inputs to Face datection unit by the image after calibration;
(C) described Face datection unit, with the ZL-SO621 of Sony company for main control chip, is normalized for retrieving face from image, and the image after normalization is inputed to characteristic extraction unit;
(D) described characteristic extraction unit, with the EP2C5Q208C8N of altera corp for main control chip, for carrying out feature extraction to the image after calibration, and inputs to feature decision unit by characteristics of image;
(E) described feature decision unit, with the Cortex-A7 of ARM company for main control chip, for carrying out two discriminant classifications to the characteristics of image extracted, and inputs to power control unit by differentiation result;
(F) described power control unit, for reading differentiation result, and controls electric power break-make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150096.4A CN104701684B (en) | 2015-04-01 | 2015-04-01 | A kind of child's electric shock intelligent socket system anti-in dark situation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150096.4A CN104701684B (en) | 2015-04-01 | 2015-04-01 | A kind of child's electric shock intelligent socket system anti-in dark situation |
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| Publication Number | Publication Date |
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| CN104701684A true CN104701684A (en) | 2015-06-10 |
| CN104701684B CN104701684B (en) | 2017-07-18 |
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| CN201510150096.4A Expired - Fee Related CN104701684B (en) | 2015-04-01 | 2015-04-01 | A kind of child's electric shock intelligent socket system anti-in dark situation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610013A (en) * | 2016-01-26 | 2016-05-25 | 上海斐讯数据通信技术有限公司 | Socket safety control system and method based on face recognition and safety socket |
| CN106570519A (en) * | 2016-10-14 | 2017-04-19 | 杭州鸿雁智能科技有限公司 | System and method for realizing power differential output by means of object identification technology |
| CN107123237A (en) * | 2017-06-30 | 2017-09-01 | 合肥虎俊装饰工程有限公司 | A kind of smart home door and window safety-protection system based on recognition of face |
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| CN201845965U (en) * | 2010-10-17 | 2011-05-25 | 包宣平 | Intelligent power socket device with fingerprint identification function for protecting children |
| CN104036236A (en) * | 2014-05-27 | 2014-09-10 | 厦门瑞为信息技术有限公司 | Human face gender recognition method based on multi-parameter index weighting |
| CN204441641U (en) * | 2015-04-01 | 2015-07-01 | 中国矿业大学(北京) | A kind of in dark situation anti-child to get an electric shock intelligent socket system |
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2015
- 2015-04-01 CN CN201510150096.4A patent/CN104701684B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845965U (en) * | 2010-10-17 | 2011-05-25 | 包宣平 | Intelligent power socket device with fingerprint identification function for protecting children |
| CN104036236A (en) * | 2014-05-27 | 2014-09-10 | 厦门瑞为信息技术有限公司 | Human face gender recognition method based on multi-parameter index weighting |
| CN204441641U (en) * | 2015-04-01 | 2015-07-01 | 中国矿业大学(北京) | A kind of in dark situation anti-child to get an electric shock intelligent socket system |
Non-Patent Citations (2)
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| 孙霞: "基于自适应核边际费希尔分析的人脸识别算法", 《计算机工程》 * |
| 白冬辉 等: "人脸识别技术在多媒体设备智能管理中的应用", 《计算机应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610013A (en) * | 2016-01-26 | 2016-05-25 | 上海斐讯数据通信技术有限公司 | Socket safety control system and method based on face recognition and safety socket |
| CN106570519A (en) * | 2016-10-14 | 2017-04-19 | 杭州鸿雁智能科技有限公司 | System and method for realizing power differential output by means of object identification technology |
| CN107123237A (en) * | 2017-06-30 | 2017-09-01 | 合肥虎俊装饰工程有限公司 | A kind of smart home door and window safety-protection system based on recognition of face |
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| CN104701684B (en) | 2017-07-18 |
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