70 results about "Surveillance imaging" patented technology

The invention discloses a multi-scale geometric analysis super-resolution processing method of a video blurred image, belonging to the technical field of intelligent information processing. Single-frame blurred images or multi-frame blurred images are acquired by surveillance videos, the input blurred images are decomposed into low-frequency coefficients and high-frequency coefficients by NSCT, the blurred images are de-noised by an HMT model in the NSCT domain, edge details are enhanced by visual suppression networks, sub-band images with low-frequency coefficients and high-frequency coefficients are interpolated nonlinearly by a HyperBF neural network model, the processed NSCT decompression coefficients are reconstructed by NSCT, and the multi-scale Retinex algorithm is introduced to regulate the image contrast in accordance with human eye visual consciousness. The processing of multi-frame blurred images is based on an image fusion method in the MGT domain and a non-uniform interpolation method in the MGT domain. Without changing the hardware of traditional video surveillance imaging system, the method can effectively restrain common noise in video images and further improve the resolution and the definition of the blurred images.

A wide-angle imaging optical system includes a refractive optical system (3), a reflective optical system, and an image-forming optical system (5). The reflective optical system includes a first reflection surface (1) that directly reflects rays of light from an object, and a second reflection surface (2) that reflects rays of light from the first reflection surface (1). An open portion is provided between the first reflection surface (1) and the second reflection surface (2), and rays of light from the object enter the open portion. A light-transmitting portion (2a) is provided in the second reflection surface (2) and transmits rays of light that have entered the refractive optical system (3). An aperture (1a) is provided in the first reflection surface (1) and allows rays of light from the second reflection surface (2) and the refractive optical system (3) to enter the image-forming optical system (5).

The invention belongs to the field of geological disaster monitoring, and discloses a landslide crack monitoring method based on single-image close-range photogrammetry. The method comprises the following steps: S1, collecting an image of a monitoring region in real time through a camera; S2, comparing the real-time image of the monitoring image with the initial image, respectively acquiring feature points of the real-time image and the initial image by using a SIFI algorithm, and performing feature point matching to obtain homonymous feature points of the real-time image and the initial image; S3, establishing a two-dimensional field displacement vector model based on the homonymous feature points of the initial image and the real-time image, and detecting an active area based on a grayscale image to obtain a landslide fracture area; and S5, calculating to obtain the width of the landslide crack according to the coordinates in the ground photogrammetry coordinate system correspondingto the homonymous feature points in the landslide body area in the initial image and the real-time image. The method has the advantages of high precision, no contact, wide monitoring range, visual monitoring result and the like.

A surveillance system is presented that aims to improve image quality. The surveillance system comprises a plurality of lighting apparatuses comprising one or more lights; a surveillance imaging device arranged to capture image data of a monitored area illuminated by one or more of the lighting apparatuses; an image processor arranged to receive the image data from the surveillance imaging device, wherein the image data comprises a plurality of frames, and the image processor is arranged to analyse each frame of the image data to obtain an image quality parameter for each frame; and a controller arranged to determine a difference between a value of the image quality parameter for a current frame and a reference value of the image quality parameter, wherein if said difference is greater than a threshold value. The controller is arranged to repeat a process of: 1) controlling a lighting parameter of at least one of the plurality of lighting apparatuses so as to change illumination of the monitored area; and 2) determining a new difference between a value of the image quality parameter for a new current frame and the reference value of the image quality parameter; until said new difference is less than or equal to a threshold value.

Diffractive waveplate lenses, mirrors, devices, systems and methods for performing imaging over a broad spectral band in imaging systems, such as but not limited to astronomical imaging, surveillance imaging, and in communication systems, such as laser communication systems. Corrector mirrors are used with a flat diffractive wave diffractive waveplate lens so that chromatic aberrations of the diffractive waveplate lens are reduced with the imaging system.

The invention discloses an unmanned aerial vehicle image monitoring control device. The device comprises a camera, an identification unit, a data processing unit, a command conversion unit, an adjustment unit, a database, a sending unit and a display unit; the camera is used for acquiring monitoring of the unmanned aerial vehicle on images in real time, automatically acquiring monitoring image information and transmitting the monitoring image information to the recognition unit; a storage image of a monitored object is stored in the database. According to the invention, through the arrangementof the data processing unit, the data analysis is performed on the identified analysis image information, so the motion position and the related conversion ratio of each part in the object information are calculated; therefore, the actual motion of the object and the deviation value in the image are calculated, the image of the object cannot be obtained after the object moves in the image information for a long time, the accuracy of data analysis is improved, the persuasion of data is improved, the time consumed by analysis is saved, and the working efficiency is improved.

A plural-mode, plural-receptor surveillance imaging system and methodology which offer very simple, versatile one-handed control over the operations and viewing orientations of three different surveillance imagers, thus to minimize the tasks involved in controlling the specific surveillance views which are established and presented by these imagers. Provided for allowing such control are a one-hand-operable, intuitive touch-screen and joystick controller structure, and a appropriate computer for translating user control actions accurately into changes in system behavior. This one-handedness characteristic promotes an operational environment in which the larger share of a user / operator's attention can successfully be focused on the received surveillance imagery, per se, rather than upon details of operating a control.

The invention discloses an intelligent visual impaired person service method and system based on vehicle-mounted glass vibration feedback, and the method comprises the steps: controlling a temperaturesensor to obtain the temperature information of a cushion if the feedback starting of a vehicle-mounted terminal is received, and analyzing whether a preset temperature is exceeded in real time, if yes, controlling an eye tracker to acquire human eye movement information of the seat and analyzing whether a human body is a person with visual impairment, and if yes, controlling a monitoring camerato shoot a monitoring image and extracting object information contained in the monitoring image according to an image recognition technology; converting the object information into vibration feedbackinformation, generating sound simulation information corresponding to the object information, controlling a laser transmitter and a laser receiver to obtain touch detection information, and analyzingwhether a human body touches the vehicle-mounted glass; and if yes, controlling the vehicle-mounted glass to enter a real-time tactile vibration feedback state through the vibration feedback equipment, controlling the loudspeaker to play voice information corresponding to the sound simulation information, and controlling the vibration feedback equipment and the loudspeaker to stop after analyzingthat the human body cancels touching the vehicle-mounted glass.

System and method for intelligently monitoring the production line that can monitor an inspected object image captured by an image capturing device, thereby allowing an operating station host to provide a labeling module to reinspect a classification decision of a classifier subsystem, to achieve the purpose of verifying the classification decision or checking whether there are missed inspections. In addition, the classifier subsystem can automatically filter out classification decisions with lower reliability to effectively reduce the number of reinspection. Moreover, a group of inspected object images can be analyzed first to obtain image difference features through comparison, which is suitable for insufficient training samples. Furthermore, the labeling module can simultaneously reinspect highly relevant historical classification decisions. Meanwhile, a second image capturing device is provided, so that the system can automatically label defect positions based on the inspected object image before and after repair, thereby learning to judge whether defects occur.

Diffractive waveplate lenses, mirrors, devices, systems and methods for performing imaging over a broad spectral band in imaging systems, such as but not limited to astronomical imaging, surveillance imaging, and in communication systems, such as laser communication systems. Corrector mirrors are used with a flat diffractive wave diffractive waveplate lens so that chromatic aberrations of the diffractive waveplate lens are reduced with the imaging system.

The invention discloses an intelligent atmosphere foiling method and system based on information media and athletic contests. The method comprises the steps: if an atmosphere foiling instruction is received, extracting competition field information, the number of required audiences and advertisement information contained in the atmosphere foiling instruction, and controlling a monitoring camera toshoot monitoring images in real time; obtaining competition information and audience information in real time, and analyzing whether the competition field is in a competition state in real time; if so, analyzing whether the number of audiences reaches the required audience number in real time; if not, controlling the pressure sensor to acquire pressure information in real time and extracting auditorium seats where no human bodies sit; controlling corresponding lifting openings to be opened, and controlling a lifting mechanism to drive a simulation mechanism to rise to enter an audience simulation state; and controlling a loudspeaker to play the advertisement information in real time, controlling the display screen to play the advertisement information and analyzing whether people have cheer actions in the auditorium or not in real time; and if so, controlling the microphone to acquire surrounding cheer information and controlling the loudspeaker to synchronously play atmosphere foiling voice information which is the same as the cheer information.

The invention discloses a security detection method. The safety detection method comprises the following steps: acquiring real-time monitoring image data of a door body; recognizing an occurrence-disappearance event of a moving object according to the image data; and under the condition that the occurrence-disappearance event is recognized, the opening and closing state of the door body is detected, and safety detection is carried out. The door body state is detected after the occurrence-disappearance event of the moving object is recognized through the image data, and the state of the door body does not need to be detected in real time all the time. Safety check is started according to the current state of the door body, and the efficiency of identifying abnormal conditions can be improved while a user can be warned that the state of the door body does not conform to the expected state. The invention also discloses a security detection system and a storage medium.