30 results about "Image signal" patented technology

A solid-state imaging apparatus including: a pixel section having two-dimensionally arrayed unit pixels each having a first pixel and a second pixel respectively containing photoelectric conversion devices that are located at positions regarded as the same position at which image is formed by an imaging optical system; a reset control means for simultaneously resetting respectively independently all first pixels and all second pixels of each unit pixel arrayed in the pixel section; a difference signal output means for obtaining a difference signal between signals of the first pixel and of the second pixel; a control section for rendering control such that a reset is effected of signals of all first pixels of the pixel section and, after a desired exposure time, a reset is effected of signals of all second pixels of the pixel section by the reset control means, and then signals of the first pixel and of the second pixel are read out respectively in a simultaneous or substantially simultaneous manner immediately after the reset of signal of all second pixels by the reset control means so as to output a difference signal between these as imaging signal by the difference signal output means; and a characteristic difference correction means for correcting a characteristic difference between the first pixel and the second pixel.

The invention provides a mixed-light-source liquid-crystal projection light engine system. The portable liquid-crystal projection light engine system is composed of a light source module, a polarized light management module, an image signal module and a projection lens, wherein the light source module consists of a high-brightness laser, an incoherent LED (Light-Emitting Diode) solid light source, a fluorescent device and the like. The output brightness of the projection system is greatly increased, the light source module is safe and environmentally friendly, and projected images have bright color and clear quality. The polarized light management module consists of a color-combining prism, a polarization beam splitter (PBS), a polarization color-combining device and the like, and different polarization states of three-primary-color mixed light are integrated into the same polarized light to be emitted to the image signal module. The image signal module is a monolithic reflection type liquid crystal light modulation device, and image signals are loaded to the three-primary-color polarized light in sequence according to the image signals corresponding to primary colors. The projection lens is used for projecting the light carrying the image signals onto a screen.

The invention relates to a cable inspection robot and a control system of the cable inspection robot. The control system comprises a control module, a temperature collecting module, an image collecting module, a servo system, a power source module and a storage module. The temperature collecting module and the image collecting module are used for collecting temperature signals of cables and image signals of the cables respectively. The control module comprises a first controller and a second controller. The first controller is connected with the temperature collecting module, the image collecting module and the servo system and is used for processing the temperature signals collected by the temperature collecting module and the image signals collected by the image collecting module and controlling the servo system. The second controller is connected with the first controller, the power source module and the storage module and is used for storing the temperature signals processed by the first controller and the image signals processed by the first controller into the storage module. Due to the fact that the first controller and the second controller are arranged in the control system, processing speed can be greatly improved, so that the control system is suitable for high-speed inspection of the cable inspection robot.

The invention discloses a CMOS image sensor dual-mode communication receiving system of an integrated photoelectric detector. The system comprises a CMOS image sensor of the integrated photoelectric detector, a 01 picture generation module, a threshold value generation module, a light source detection module, a gray image generation module, a high-speed communication signal processing module and a low-speed communication signal processing module. The CMOS image sensor of the integrated photoelectric detector outputs an image signal, a mark picture is generated through self-feedback by employing the threshold value generation module, the gray image generation module and the 01 picture generation module, a detected light source position is fed back to the CMOS image sensor of the integrated photoelectric detector via the light source detection module, a received communication signal is processed via the high-speed communication signal processing module and the low-speed communication processing module, high-speed communication information and low-speed communication information are outputted, and the reception of dual-mode communication is realized. According to the system disclosed by the invention, the accuracy of light source detection is effectively improved; and the system can be used in visible light communication.

An image capturing apparatus comprises an optical system, an image sensor having pixels each including a plurality of photoelectric converters capable of outputting image signals independently, a driving unit which controls driving of the image sensor, a focus detection unit, and an addition unit which adds the output image signals on a per-pixel basis. In each pixel, the photoelectric converters are divided into groups each including at least two photoelectric converters and a charge accumulation period for one group is delayed from and partially overlaps a charge accumulation period for another. The driving unit drives the image sensor so that image signals are read from the groups in turn, and the focus detection unit detects a focus state using a phase difference method based on the read image signals independently output from the photoelectric converters.

An image restoration method includes providing image data (260) including image statistics (230) using a digital camera module. A set of digital camera module characterization parameters is selected from a common dynamic camera configuration file (210) using the image statistics (230). The selected digital camera module characterization parameters are converted to image signal processing parameters and the image data is tuned using the image signal processing parameters for providing a tuned image (270). The method may involve lens shading correction as well adjusting the processing to the characteristics of the image sensor (250).

The embodiment of the invention discloses a heliostat calibration system and method. According to the technical scheme, the positions of a signal transmitting device, a signal receiving device and a heliostat to be calibrated are positioned, the theoretical transmitting angle and the theoretical receiving angle of at least one of an optical signal, an image signal and a radio signal are determined, a simultaneous equation is constructed according to the spatial positions of the at least one signal transmitting device, the at least one signal receiving device and the heliostat to be calibrated and according to the transmitting direction, the receiving direction and the angle of at least one of the optical signal, the image signal and the radio signal, so that the deviation parameter of the heliostat to be calibrated is determined, and the heliostat to be calibrated is calibrated according to the deviation parameter. By adopting the technical scheme provided by the invention, the aim of improving the calibration efficiency of the heliostat can be achieved.

Disclosed herein is ultrasonic scanning apparatus and method for diagnosing a bladder. The ultrasonic scanning apparatus includes a transducer, a transducer support, an analog signal processing unit, a display unit, a central control unit, a first stepping motor, a second stepping motor, and a drive control unit. The transducer emits ultrasonic signals for respective scan lines and receives ultrasonic signals reflected from an object. The transducer support configured such that the transducer is fixedly installed therein. The analog signal processing unit converts the ultrasonic signals into digital signals. The display unit outputs specific image signals. The central control unit performs image processing on the digital ultrasonic signals, outputs the results of the processing to the display unit, and controls the overall operation of the apparatus. The first stepping motor rotates in a first direction. The second stepping motor rotates in a second direction. The drive control unit controls the operation of the first and second stepping motors in response to drive control signals provided from the central control unit.

Disclosed is a conference system. The conference system comprises a cloud platform, a long-distance communication network and a portable device which is communicated with the cloud platform through the long-distance communication network. The portable device is used for outputting a keyboard projection area, and a user can input characters, instructions and the like through the keyboard projection area; the portable device is also used for receiving image signals output by the cloud platform and projecting the image signals onto the surface of an object to form a projection screen area on the surface of the object. The conference system avoids the defect of space disorder due to connection of various devices via different cables during conferences. The invention also provides the portable device applied to the conference system.

A band-limited image signal generating unit decomposes an input image signal into a plurality of band-limited image signals, each representing an image having different frequencies. An index value obtaining unit obtains an index value indicating a level of noise suppression based on data representing spatial frequencies as well as an evaluation value representing local contrast at a pixel of interest in band-limited images and data representing an X-ray dose. A noise suppression processing unit performs noise suppression processing on each pixel of each of band-limited images based on the index value. A processed image generating unit obtains a processed image, in which noise has been suppressed, by adding signals obtained by subtracting processed band-limited image signals, of which noise has been suppressed, from the band-limited image signals together, extracting a noise image signal, and subtracting the noise image signal from the input image signal.

A display apparatus includes a display on which an image is displayed, an interface feasible to communicate with an image source and to receive identification information of an authentication device, which is disposed on the image source and includes the identification information, from the image source, a data storage in which at least one registration-recognition information is saved, and a controller to decide whether to display the image corresponding to an image signal received from the image source on the display based on a determination of whether the identification information received through the interface is consistent with the registration-recognition information saved in the data storage.

An image processing apparatus for correcting image signals corresponding to a plurality of color images constituting an image, includes: a correction table storage unit storing one or more correction tables; and an image signal correcting unit independently correcting the image signals of the color images on the basis of one or more correction tables stored in the correction table storage unit, wherein the image signal correcting unit makes a geometric correction of a display image corresponding to the image such that display color images each corresponding to the color images superpose each other, independently among the color image.

The invention relates to a detection system for a display screen of a liquid crystal panel, which comprises a high-voltage strip, a button box, a process control system and a low-voltage differential signaling (LVDS) signal generating circuit, wherein the high-voltage provides voltage to illumine the display screen of the liquid crystal panel; the LVDS signal generating circuit generates LVDS signals to detect parameters of the display screen of the liquid crystal panel; different processes are selected by the button box, so that the LVDS signal generating circuit generates the LVDS signals in different modes; and the LVDS signals in different modes can detect different parameters of the display screen of the liquid crystal panel. The detection system has the advantages that: for a display and a projector which have large sizes, an optical probe for analyzing colors can perform multipoint simultaneous measurement, and after the optical probe is matched with a video signal figure generator for analyzing an image signal and a software operating interface, the measurement of all programming projects can be completed by quick one-button operation, so the detection system has high compatibility and stable performance; and the system has a small volume, is convenient to carry, and can be widely applied to the solution of video and color tests.

A display control device receives an image signal, and is connected to a display panel to display the image signal in a matching manner and electrically connected to a USB (universal serial bus) device, wherein the display control device comprises a display controller, a power controller and a USB transmission module; the display controller and the power controller are mutually electrically connected; the USB transmission module is electrically connected to the display controller, the power controller and the USB device, and obtains and provides a USB data signal generated by the USB device to the display controller or the power controller; the USB data signal is loaded with a shutdown instruction or a startup instruction; when the USB transmission module receives the shutdown instruction, the shutdown instruction is transmitted to the display controller; the display controller informs the power controller to control the USB data signal; the display controller comes into a standby power supply state; when the USB transmission module receives the startup instruction, the startup instruction is transmitted to the power controller, and the power controller awakens the display controller and informs the display controller to control the USB data signal.

The invention discloses a processing method, device and system for shutter type three-dimensional image display. Compared with an existing processing method, the processing method is characterized in that corresponding monocular frame mixed image signals composed of a part of continuous monocular frame image signals and a part of continuous black screen image signals are inserted behind monocular frame image signals, and the problem of 3D image crosstalk can be effectively solved during 3D image display due to the fact that the monocular frame mixed image signals are composed of the part of monocular frame image signals and the part of black screen image signals; in addition, due to the fact that only the part of black screen image signals exist in the monocular frame mixed image signals, the better brightness evenness can be obtained during display through reducing the ratio of the black screen image signals to the monocular frame mixed image signals.

A screen switching method for an electronic apparatus includes an e-Paper and a display having a backlight module. The e-Paper and the display are used to show an image signal. The screen switching method includes determining whether a brightness value at which the backlight module is set exceeds a threshold value, controlling the display to show the image signal if the brightness value of the backlight module exceeds the threshold value, and controlling the e-Paper to show the image signal if the brightness value of the backlight module does not exceed the threshold value. An electronic apparatus implementing the screen switching method is also disclosed.

The invention provides an intelligent bird recognition method based on a GMM (Gaussian Mixture Model) recognition model and an intelligent bird recognition system based on the GMM recognition model in order to overcome the defect of poor recognition effect in bird recognition by directly utilizing bird buzzing, and the method comprises the following steps: collecting bird sound signals, and collecting image signals in the direction of a sound source; preprocessing the acquired bird sound signals and image signals; and respectively inputting the preprocessed bird sound signal and image signal into a GMM recognition model for recognizing bird sound and a convolutional neural network model for recognizing a bird image, and respectively outputting a bird sound recognition result and a bird image recognition result. According to the invention, the GMM recognition model and the convolutional neural network model are adopted to recognize bird sounds and bird images of the power transmission line environment, so that the bird recognition accuracy is effectively improved.

The embodiment of the invention provides a camera module and a mobile terminal, the camera module comprises a first camera, a second camera and an image fusion unit, the first camera comprises a first lens group, a first light filtering device and a first image sensor which are sequentially arranged from an object side to an image side; the first light filtering device is used for transmitting near-infrared light to the first image sensor; the second camera comprises a second lens group, a second light filtering device and a second image sensor which are sequentially arranged from the object side to the image side, and the second light filtering device is used for transmitting visible light to the second image sensor; and the image fusion unit is electrically connected with the first image sensor and the second image sensor and is used for performing fusion processing on the image signals output by the first image sensor and the second image sensor to obtain a fused image. The camera module provided by the embodiment of the invention has the photosensitive capability for near-infrared light, can realize a defogging imaging effect, obtains a fused image with clear image quality, and improves the quality of the shot image.

The invention relates to an intravascular three-dimensional imaging device for piezoelectric driving scanning, and belongs to the technical field of intravascular interventional imaging. The device comprises an imaging conduit and a spiral ultrasonic motor, wherein the spiral ultrasonic motor drives the imaging conduit to do spiral motion; the imaging conduit comprises a miniature ultrasonic probe, a probe base, a torque spring and a metal matching tube; and the spiral ultrasonic motor comprises a plastic shell, a plastic cover, a metal column, a stator, a rotor, a spring and a nut. The driving device is miniaturized and light, can be held by hand and has no electromagnetic interference, and the imaging signal-to-noise ratio of the system is improved.

A method and apparatus for automatically controlling power of address data in a plasma display panel (PDP), and a PDP device including the apparatus are provided. In this method, first, a difference-sum of pixel value differences between adjacent pixels successively arranged along a column of block is calculated. Then, an address power control level corresponding to the calculated difference-sum for each block is determined. Thereafter, gain information for each block on the basis of the address power control level for each block is determined. Next, a gain for each block corresponding to the gain information for each block is output. Then, the input image signal is multiplied by the gain for each block to correct the input image signal to output the corrected image signal. Accordingly, power consumption, noise, and generation of heat are reduced, and also the brightness is improved.