CN104333686A - Intelligent monitoring camera based on face and voiceprint recognition and control method of intelligent monitoring camera - Google Patents
Intelligent monitoring camera based on face and voiceprint recognition and control method of intelligent monitoring camera Download PDFInfo
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Abstract
The invention discloses an intelligent monitoring camera based on face and voiceprint recognition and a control method of the intelligent monitoring camera. The intelligent monitoring camera belongs to an audio-video monitoring module. After images and voices are collected by virtue of the front end of the intelligent monitoring camera, voiceprints in face and voice information in the images are recognized by virtue of an intelligent algorithm and are compared with pre-stored information, and the identity of people is judged; identity information of people and monitored audios and videos are superposed and stored in real time and can be sent to the rear end of the intelligent monitoring camera through a network; meanwhile, an alerting signal is emitted according to a preset logic. According to the intelligent monitoring camera and the control method, the identity of people in a monitored region can be accurately analyzed by virtue of the intelligent analysis and the recognition of the images and the voices, and the information is transmitted to the rear end of the intelligent monitoring camera; meanwhile, the dual recognition on the faces and the voiceprints are supplemented with each other, so that the recognition accuracy is greatly improved.
Description
Technical field
The present invention relates to audio-video monitoring field, particularly a kind of Intelligent monitoring camera based on face and Application on Voiceprint Recognition and control method thereof.
Background technology
Along with the development of information technology and intelligent algorithm, every profession and trade is more and more higher for the intelligent requirements of product, and various voice recognition and image recognition technology are arisen at the historic moment, and is widely used in each field.CCTV camera, as the front-end product of security protection industry, more needs progressively to promote intelligence degree.At present, video monitoring system is a face recognition technology main flow direction in actual applications, monitoring camera-shooting equipment common on market can only do some simple photography functions, and monitor before will accomplishing to be engraved in watch-dog when people is needed to the timely process of emergency case such as stealing in guarded region, only find emergency case by staff, such quality monitoring is low, and in some special occasions, such as in secret monitoring place, and the place not needing stranger to enter just is difficult to accomplish reminding alarm function, and face recognition technology due to error rate high, in use often there is the situation of false alarm.
Summary of the invention
The present invention provides a kind of Intelligent monitoring camera based on face and Application on Voiceprint Recognition and control method thereof in order to solve the problem.
The present invention for addressing this problem taked technical scheme is:
Based on an Intelligent monitoring camera for face and Application on Voiceprint Recognition, comprise the SENSOR(transducer be connected with CPU board) plate, light sensor, sound transducer and control board; And SENSOR plate gathers image and transfers to CPU board, light sensor Real-time Collection environmental light brightness reads for CPU board, sound transducer gathers ambient sound for CPU board Treatment Analysis, control board is controlled by CPU board and controls to drive lamp plate to realize the adjustment of light filling brightness, CPU board by accept and the CPU of process information, the power supply chip of power supply is provided for CPU, storage accepts the memory chip of data, the Ethernet unit of transmission information forms.
Based on an Intelligent monitoring camera control method for face and Application on Voiceprint Recognition, comprise the following steps:
I, start;
II, image and sound is gathered;
III, image ISP(Image Signal Processor, image procossing) process and Noise reduction process;
IV, image intelligent analysis and phonetic analysis;
V, characteristics of image and vocal print aspect ratio pair;
VI, Logic judgment;
VII, meet setting, meet when presetting and enter step VIII, do not meet when presetting and enter step I;
VIII, output alarm signal.
The advantage that the present invention has and good effect are:
The present invention can by the intellectual analysis of image and sound and identification, analyze accurately the piece identity in monitoring field, and by information transmission to rear end.Meanwhile, face and the dual identification of vocal print, the two complements each other, and recognition accuracy is greatly improved.
Accompanying drawing explanation
Fig. 1 is the internal structure block diagram of the Intelligent monitoring camera that the present invention is based on face and Application on Voiceprint Recognition;
Fig. 2 is the control flow chart of the Intelligent monitoring camera control method that the present invention is based on face and Application on Voiceprint Recognition.
Embodiment
Referring to drawings and Examples, the Intelligent monitoring camera based on face and Application on Voiceprint Recognition of the present invention and control method thereof are described in detail.
Fig. 1 is the internal structure block diagram of the Intelligent monitoring camera that the present invention is based on face and Application on Voiceprint Recognition.As shown in Figure 1, a kind of Intelligent monitoring camera based on face and Application on Voiceprint Recognition of the present invention, comprises the SENSOR plate, light sensor, sound transducer and the control board that are connected with CPU board; And SENSOR plate gathers image and transfers to CPU board, light sensor Real-time Collection environmental light brightness reads for CPU board, sound transducer gathers ambient sound for CPU board Treatment Analysis, control board is controlled by CPU board and controls to drive lamp plate to realize the adjustment of light filling brightness, CPU board by accept and the CPU of process information, the power supply chip of power supply is provided for CPU, storage accepts the memory chip of data, the Ethernet unit of transmission information forms.
Described SENSOR plate is 2,000,000 1080P CMOS(Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductors (CMOS)) imageing sensor, three-way power 1V2 needed for SENSOR plate, 1V8, 2V7 is by three groups of LDO(low dropout regulator, low pressure difference linear voltage regulator) provide, the master clock of SENSOR, reset signal and SPI(Image Signal Processor, image procossing) provide by rear end CPU board, CPU is configured SENSOR by SPI mouth, the image collected is by RAWDATA(initial data) mode transfers to rear end CPU board.
Described light sensor Real-time Collection environmental light brightness is also directly changed into digital quantity, and CPU board reads brightness value in real time by iic bus.
Described sound transducer gathers ambient sound, analyzes for rear end CPU board process.
Described control board is the independent constant-current drive circuit controlling infrared LED and white light LEDs, and CPU board can the change of environmentally illumination, is adjusted drive current by PWM mode.
Described CPU board uses the CPU of ARM11 framework, embedded DSP, the power supply of CPU and electrifying timing sequence control to be realized by power management chip, CPU board plate carries 4 2GB DDR3 memory chips altogether, 128MB nand FLASH is used for program and stores, there is TF video recording and data storage cell, there is 100M/1000M self adaptation Ethernet unit.
Fig. 2 is the control flow chart of the Intelligent monitoring camera control method that the present invention is based on face and Application on Voiceprint Recognition.As shown in Figure 2, a kind of Intelligent monitoring camera control method based on face and Application on Voiceprint Recognition, is characterized in that, comprise the following steps:
I, start;
II, image and sound is gathered;
III, image ISP process and Noise reduction process;
IV, image intelligent analysis and phonetic analysis;
V, characteristics of image and vocal print aspect ratio pair;
VI, Logic judgment;
VII, meet setting, meet when presetting and enter step VIII, do not meet when presetting and enter step I;
VIII, output alarm signal.
The audio-video signal that described step II exports is exported by network data and returns step I after audio/video coding.
Described SENSOR plate uses 2,000,000 1080P cmos image sensors.Three-way power 1V2 needed for SENSOR, 1V8,2V7 are provided by three groups of LDO, and the master clock of SENSOR, reset signal and SPI provide by rear end CPU board, CPU is configured SENSOR by SPI mouth, and the image collected transfers to rear end CPU board by RAWDATA mode.
Described CPU board uses the CPU of ARM11 framework, embedded DSP.The power supply of CPU and electrifying timing sequence control to be realized by special chip, guarantee the steady operation of CPU.CPU board plate carries 4 2GB DDR3 memory chips altogether, 128MB nand FLASH(flash memory) store for program, support that TF video recording and data store.Support 100M/1000M self adaptation Ethernet, ensure that HD video implements transmission.
Described control board is the constant-current drive circuit that infrared LED and white light LEDs independently control, CPU can the change of environmentally illumination, by PWM(Pulse Width Modulation, pulse width modulation) mode adjusts drive current, thus the accurate control realized light filling brightness, ensure IMAQ quality.
Described light sensor Real-time Collection environmental light brightness is also directly changed into digital quantity, and CPU can pass through IIC(Inter-Integrated Circuit, integrated circuit (IC) bus) bus reads brightness value in real time.
Described sound transducer gathers ambient sound, analyzes for rear end CPU process.
After front end cmos image sensor and sound transducer gather image and sound, by the intelligent algorithm of CPU, the face in image and the vocal print in acoustic information are identified, carry out contrasting and judging with the information being stored in nand FLASH in advance after identifying, and then judge the identity of personage.The identity information of personage and monitoring audio/video are carried out superposing rear real-time storage, and is sent to rear end by network.Simultaneously according to the logic pre-set, send alarm signal.
The present invention can by the intellectual analysis of image and sound and identification, analyze accurately the piece identity in monitoring field, and by information transmission to rear end.Meanwhile, face and the dual identification of vocal print, the two complements each other, and recognition accuracy is greatly improved.
Claims (8)
1., based on an Intelligent monitoring camera for face and Application on Voiceprint Recognition, comprise the SENSOR plate, light sensor, sound transducer and the control board that are connected with CPU board; It is characterized in that: SENSOR plate gathers image and transfers to CPU board, light sensor Real-time Collection environmental light brightness reads for CPU board, sound transducer gathers ambient sound for CPU board Treatment Analysis, control board is controlled by CPU board and controls to drive lamp plate to realize the adjustment of light filling brightness, CPU board by accept and the CPU of process information, the power supply chip of power supply is provided for CPU, storage accepts the memory chip of data, the Ethernet unit of transmission information forms.
2. the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 1, it is characterized in that: described SENSOR plate is 2,000,000 1080P cmos image sensors, three-way power 1V2 needed for SENSOR plate, 1V8,2V7 is provided by three groups of LDO, the master clock of SENSOR, reset signal and SPI provide by rear end CPU board, and CPU is configured SENSOR by SPI mouth, and the image collected transfers to rear end CPU board by RAWDATA mode.
3. the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 1, is characterized in that: described light sensor Real-time Collection environmental light brightness is also directly changed into digital quantity, and CPU board reads brightness value in real time by iic bus.
4. the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 1, is characterized in that: described sound transducer gathers ambient sound, analyzes for rear end CPU board process.
5. the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 1, it is characterized in that: described control board is the independent constant-current drive circuit controlling infrared LED and white light LEDs, CPU board can the change of environmentally illumination, is adjusted drive current by PWM mode.
6. the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 1, it is characterized in that: described CPU board uses the CPU of ARM11 framework, embedded DSP, the power supply of CPU and electrifying timing sequence control to be realized by power management chip, CPU board plate carries 4 2GB DDR3 memory chips altogether, 128MB nand FLASH is used for program and stores, and has TF video recording and data storage cell, has 100M/1000M self adaptation Ethernet unit.
7., based on an Intelligent monitoring camera control method for face and Application on Voiceprint Recognition, it is characterized in that, comprise the following steps:
I, start;
II, image and sound is gathered;
III, image ISP process and Noise reduction process;
IV, image intelligent analysis and phonetic analysis;
V, characteristics of image and vocal print aspect ratio pair;
VI, Logic judgment;
VII, meet setting, meet when presetting and enter step VIII, do not meet when presetting and enter step I;
VIII, output alarm signal.
8. the Intelligent monitoring camera control method of the Intelligent monitoring camera based on face and Application on Voiceprint Recognition according to claim 7, is characterized in that: the audio-video signal that described step II exports is exported by network data and returns step I after audio/video coding.
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| CN106127156A (en) * | 2016-06-27 | 2016-11-16 | 上海元趣信息技术有限公司 | Robot interactive method based on vocal print and recognition of face |
| CN108965716A (en) * | 2018-08-01 | 2018-12-07 | Oppo广东移动通信有限公司 | Image processing method and device, electronic equipment, computer readable storage medium |
| CN108986153A (en) * | 2018-08-01 | 2018-12-11 | Oppo广东移动通信有限公司 | Image processing method and device, electronic equipment, computer readable storage medium |
| CN109064503A (en) * | 2018-08-01 | 2018-12-21 | Oppo广东移动通信有限公司 | Image processing method and device, electronic equipment, computer readable storage medium |
| CN109346085A (en) * | 2018-10-29 | 2019-02-15 | 合肥赛为智能有限公司 | A kind of prison supervising platform based on Application on Voiceprint Recognition |
| CN109670451A (en) * | 2018-12-20 | 2019-04-23 | 天津天地伟业信息系统集成有限公司 | Automatic face recognition tracking |
| CN110191556A (en) * | 2019-05-28 | 2019-08-30 | 佛山市田昌灯饰有限公司 | It is a kind of can voice control Intelligent lightening device and control method |
| US10929988B2 (en) | 2018-08-01 | 2021-02-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and device for processing image, and electronic device |
| CN112689125A (en) * | 2020-12-18 | 2021-04-20 | 中标慧安信息技术股份有限公司 | Multi-terminal safety monitoring method and system based on Internet of things |
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| CN110191556A (en) * | 2019-05-28 | 2019-08-30 | 佛山市田昌灯饰有限公司 | It is a kind of can voice control Intelligent lightening device and control method |
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