45results about How to "Remove motion blur" patented technology

A display device has a display panel and a driver. The display panel displays an image signal. The driver provides the display panel with a frame data in a first sub frame using a first gamma curve that has a first gamma value, and provides the display panel with the frame data in a second sub frame using a second gamma curve that has a second gamma value, wherein the second gamma value is greater than the first gamma value. Therefore, the display device may have an improved brightness and display moving pictures in a high display quality.

An image sensor includes a plurality of pixels with each pixel having a photosensitive area that captures a sequence of at least two light exposures by accumulating photon-induced charge for each exposure; at least two charge storage areas each of which is associated respectively with one of the sequence of light exposures into which the accumulated charge for each exposure is transferred sequentially; and at least one amplifier that is associated with at least one of the charge storage areas.

The invention provides a method of license plate image deblurring based on depth learning. The method is divided into a data set preprocessing stage, a training stage and a testing stage. In the dataset preprocessing stage, the license plate region in the image is determined, the license plate characters are segmented and the image size is normalized, Gaussian noise is added to obtain the training set. In the training phase, the linear sum of the mean square error, the gradient error and the discrimination error of the restoration result is used as the discriminator and generator of the network loss alternately. In the testing phase, the license plate characters are segmented and used as the input of the generator in turn, and the deblurring results are combined according to the originalorder of the license plate characters to obtain the deblurring license plate images. The model of the invention effectively restricts the edge of the license plate image, thereby improving the qualityof deblurring the license plate image and shortening the restoration time.

The invention discloses an iris collecting device for controlling turn-on time of an infrared lamp. The device comprises an image sensor, a camera module, an infrared lamp, a micro control unit; the micro control unit detects a frame synchronization signal sent by the image sensor and computes exposure time of the image sensor, computes the turn-on time of the infrared lamp, and controls the on-ffof the infrared lamp. Through the iris collecting device disclosed by the inventio, the infrared lamp power consumption can be reduced, and the motion blurring is eliminated; the bad frame phenomenoncan be avoided in an alternate lighting scheme, thereby guaranteeing that each frame image can acquired exposure with uniform brightness.

A backlight unit and an LCD employing the backlight unit are provided. The backlight unit includes: a base substrate; a plurality of point light sources arranged in two or more lines on the base substrate; a diffusion plate disposed over the plurality of point light sources to diffuse and transmit incident light; and at least one barrier rib forming two or more division areas by being disposed between the base substrate and the diffusion plate to be upright with respect to the base substrate between the lines and having a wall surface reflecting light incident from the plurality of point light sources, at least a portion of an end portion of the barrier rib being inserted into the diffusion plate.

A display apparatus and a method for driving a display panel thereof are provided. Each column of data line in the display panel has tow sub-data lines. The driving method is described as follows. An input image signal is divided into a plurality of image segments, and each of the image segments has display data of pixels coupled to two adjacent scan lines. Every K image segments are defined as a group. An image signal is formed by inserting a reset data in each group of image segments. Display data of a first group are written in K batches according to a first start wave. After a predetermined time from the first start wave, the scan lines corresponding to the first group are driven at the same time according to a second start wave, and the reset data is output to the first sub-data lines and the second sub-data lines.

The invention relates to a method for frame frequency doubling method based on image contour matching. The inventive method compares present frame with reference frame, and determines movement area and static area of present frame; edge detection of the movement area is performed to determine present contour of image in movement area; generating present block containing the contour according to determined present contour, matching search area of reference frame, and searching block similar to present block in search area by matching rule; executing interpolation by adopting frame repetition or black frame insertion; calculating image data of present block in interpolation frame; generating frame frequency doubling time sequence and outputting interpolation frame image data of present frame and then image data of present frame in a frame time according to time sequence. The invention processes 50 frame / second and 60frame / second non-interlaced signal based on image contour matching, provides better visual effect at 100Hz / 120 Hz liquid crystal screen, achieves goal for removing movement blurring.

The present invention particularly relates to an image processing apparatus in which motion blur contained in a blurred image can be eliminated. An area specifying unit 103 specifies a non-mixed area formed of a foreground area consisting of foreground object components which form a foreground object and a background area consisting of background object components which form a background object, or a mixed area in which the foreground object components and the background object components are mixed. A separating / blur-eliminating unit 1503 simultaneously performs processing for separating the foreground object components and the background object components from the pixel data of the mixed area and processing for eliminating motion blur from the separated foreground object components based on a result obtained by specifying the area. The present invention is applicable to an image processing apparatus in which a difference between a signal detected by an image-capturing device and the real world is considered.

The invention discloses an image anti-shake method, electronic equipment and a storage medium. The electronic equipment has an optical anti-shake mode and an electronic anti-shake mode, and the methodcomprises the steps: employing the optical anti-shake mode to control a shooting module for shooting, and obtaining the measurement offset of the center of a lens of the shooting module and the current working temperature of the shooting module through measurement; correcting the measurement offset based on a preset offset correction strategy and the current working temperature to obtain a real offset of the center of the lens; and performing electronic anti-shake processing on the shot image by adopting an electronic anti-shake mode based on the real offset of the center of the lens. Therefore, when the anti-shake mode of EIS + OIS is in use, the real offset is obtained by correcting the measurement offset of the center position of the lens, and the electronic anti-shake effect can be improved by performing EIS anti-shake processing on the shot image based on the real offset, so the electronic equipment has the advantages of eliminating motion blur by OIS anti-shake and enlarging thecompensation range by EIS anti-shake.

A backlight unit and an LCD employing the backlight unit are provided. The backlight unit includes: a base substrate; a plurality of point light sources arranged in two or more lines on the base substrate; a diffusion plate disposed over the plurality of point light sources to diffuse and transmit incident light; and at least one barrier rib forming two or more division areas by being disposed between the base substrate and the diffusion plate to be upright with respect to the base substrate between the lines and having a wall surface reflecting light incident from the plurality of point light sources, at least a portion of an end portion of the barrier rib being inserted into the diffusion plate.

An overdriving apparatus and an overdriving method for a liquid crystal display (LCD) panel are disclosed. The overdriving apparatus includes a temperature measuring apparatus and an overdriving signal generator apparatus. The temperature measuring apparatus is coupled to the overdriving signal generator apparatus. The temperature measuring apparatus measures an operation temperature of the LCD panel. The overdriving signal generator apparatus generates a first overdriving signal according to a first image data of a current frame, x second image data of previous x frame(s), and the operation temperature, where x is a natural number.

The invention discloses a control method, a camera assembly and a mobile terminal. The control method comprises the steps that color pixels are exposed to obtain at least one frame of color original image; within the time when the color pixels are exposed once to obtain a frame of color original image, the plurality of full-color pixels in the same subunit are exposed respectively to obtain a plurality of frames of full-color original images, the initial exposure moments of the plurality of full-color pixels in the same subunit are different, and / or the cut-off exposure moments of the plurality of full-color pixels in the same subunit are different; and correcting at least one frame of color original image by utilizing the multiple frames of full-color original images to obtain a target image. According to the invention, a plurality of panchromatic pixels with high sensitivity in the same subunit are used for staggered exposure to acquire a plurality of frames of full-color original images, the plurality of frames of full-color original images can provide correction data, and the correction data can be used for correcting at least one frame of color original image acquired by normal exposure of color pixels so as to eliminate motion blur of the color original image.

A display device has a display panel and a driver. The display panel displays an image signal. The driver provides the display panel with a frame data in a first sub frame using a first gamma curve that has a first gamma value, and provides the display panel with the frame data in a second sub frame using a second gamma curve that has a second gamma value, wherein the second gamma value is greater than the first gamma value. Therefore, the display device may have an improved brightness and display moving pictures in a high display quality.

A method and a device for optical examination of transparent bodies made of plastic, glass, or glass ceramic are provided. The examination is carried out by contactless detection and measurement of the body using optical imaging devices. For this purpose, a plurality of individual images are taken of the body during the examination in different positions relative to the imaging device, which are subsequently analyzed.

A control subsystem determines based on the characteristics of light from a secondary illumination source reflected off optics of a data collection device whether a display screen of an electronic device (e.g., smartphone, smartwatch, tablet computer) are in a field of view of the data collection device, and switches operational modes accordingly. Thus, the control subsystem can employ a Fresnel pattern for such determination. The data collection device can operate in a diffuse reading mode, characterized by active illumination and / or relatively fast exposure times. The data collection device can operate in a reflective reading mode, characterized by a lack of active illumination and / or relatively slow exposure times. Characteristics can include the number of reflections versus a number of air-substrate interfaces and / or a relative intensity of the reflections produced by successive air-substrate interfaces in a path of the light.

The invention relates to a video compression collecting system and method. The video compression collecting system is used for imaging scenery on a modulation face of a passive light signal modulator through an objective, a high-precision displacement device is used for enabling the passive light signal modulator to generate a modulation effect with precise displacement and continuous conversion, video signals of the scenery are converted and modulated through the passive light signal modulator, and then integration and collection are conducted on the video signals through an area array detector. Compression image signals collected by the area array detector can be reconstructed, and original video signals of the scenery can be obtained. According to the video compression collecting method, an optical compression means is directly used for achieving parallel compression and collection of video data, and then original video data are reconstructed in a high-fidelity mode. According to the method, the video data collecting amount can be compressed in a large rate mode, the data management burden of video collection is relieved, and the method is particularly suitable for collecting high-resolution and high-frame frequency video signals.

A lamp driving apparatus includes a change rate calculating section, a dimming transforming section and a power supplying section. The change rate calculating section calculates a change rate signal from an image signal corresponding to the image. The dimming transforming section outputs a digital dimming signal and an analog dimming signal, in response to a dimming signal provided from an external device and the change rate signal. The power supplying section provides the lamp with power, in response to a vertical synchronizing signal, the analog dimming signal and the digital dimming signal. Thus, although an instantaneous lamp current is increased, life and characteristics of the lamp will not be adversely influenced, and motion blur of a moving image may be removed.

A display apparatus and a method for driving a display panel thereof are provided. Each column of data line in the display panel has two sub-data lines. The driving method is described as follows. An input image signal is divided into a plurality of image segments, and each of the image segments has display data of pixels coupled to two adjacent scan lines. Every K image segments are defined as a group. An image signal is formed by inserting a reset data in each group of image segments. Display data of a first group are written in K batches according to a first start wave. After a predetermined time from the first start wave, the scan lines corresponding to the first group are driven at the same time according to a second start wave, and the reset data is output to the first sub-data lines and the second sub-data lines.

The invention provides a space-time joint optimization reconstruction system based on a scanning light field microscopic imaging system. The space-time joint optimization reconstruction system comprises a scanning light field acquisition module, a preprocessing module and a time-space joint bidirectional circulation reconstruction module. The invention further provides a space-time joint optimization reconstruction method based on a scanning light field microscopic imaging system. The space-time joint optimization reconstruction system and method add space-time joint constraints, optimize traditional reconstruction algorithm, greatly increase the reconstruction speed, effectively reduce the three-dimensional reconstruction time, recover the volume imaging time resolution, namely the time resolution sacrificed by scanning, and meanwhile, eliminate motion blur and artifacts caused by too fast change of a sample, so that the performance of a scanning light field microscopic imaging systemis improved, and the application of the scanning light field microscopic imaging system in scenes such as biological tissue high-speed capture is expanded; and for the whole time delay three-dimensional video, the time bidirectional circulation algorithm mainly utilizes the continuity and redundancy of four-dimensional information in the time dimension, and the whole signal-to-noise ratio can beimproved.

The invention discloses an interpolation sampled value protection method. The interpolation sampled value protection method includes the steps of setting fixed valves for interpolation sampled value protection; discretizing and sampling an alternating current signal to obtain a sampled value sequence 0; assigning an absolute value from the sampled value sequence 0 to obtain a sampled value sequence 1; subtracting the sampled value sequence 1 by the fixed value I<iset> to obtain a sampled value sequence 2; subjecting a zero-crossing point of the sampled value sequence 2 to interpolation to obtain a virtual zero-crossing point sampled value, with which the sampled value sequence 2 form a sampled value sequence 3; acquiring t<w> data windows from the sampled value sequence 3, and calculating each accumulative time, which has a sampled value larger than zero; calculating a value K according to the t<k> and t<w>; performing protection logic judgment according to the value K, and determining protection actions. By the use of the interpolation sampled value protection method, the problems that the existing sampled value protection method has a large action fuzzy area and low precision; the interpolation sampled value protection method has the advantages of high action precision, high action speed and high reliability; the interpolation sampled value protection method is applicable to over-amount protection and under-amount protection universal to sinusoidal alternating current signals and has good application prospect.

The invention discloses a laser difference imaging detection method and a device for the same. The method comprises the following steps: performing range-gated imaging to obtain n frames of retroreflected images of n slices of a region to be detected in a one-frame one-pulse one-gate exposure manner; dividing the n frames of retroreflected images into m information frames and n-m background frames according to a grayscale threshold value; calculating differences of the m information frames and the background frames to obtain m enhanced information frames of the m information frames, and dividing the m enhanced information frames into k bubble information frames and m-k pseudo information frames by adopting a trained classifier; calculating a grayscale mean value and modulation time delays of the k bubble information frames respectively, and performing fitting to obtain a spatial distribution curve of bubbles along with the time delay; obtaining a range of a bubble region and yield of the bubbles according to the spatial distribution curve, wherein m, n and k are all natural numbers not smaller than 1. According to the method and the device, the range and the yield of the bubble region can be accurately detected, and the method and the device have the characteristics of high accuracy, high adaptability and high flexibility, and is significant for underwater bubble detection and analysis.

An organic light emitting display includes a first display unit having pixels coupled to odd scan and data lines, a second display unit having pixels coupled to even scan and data lines, a third display unit having pixels coupled to the odd scan lines and even data lines, and a fourth display unit having pixels coupled to the even scan lines and odd data lines. A timing controller extracts image data corresponding to each of the display units from inputted image data of one frame. A scan driver sequentially supplies a scan signal to the scan lines in each of four sub-frame periods of one frame period. A data driver converts extracted image data of each of the display units into corresponding data voltages, and supplies the corresponding data voltages to respective ones of the display units through the data lines for respective sub-frame periods of the one frame period.

Methods for providing black frame insertion in a display system are provided, wherein the display system includes a display device, a driving module coupled to the display device and a processor coupled to the driving module. First, a control signal is generated and sent to the driving module by the processor to control the driving module to perform black frame insertion in a black frame insertion period. A control signal is generated by the processor and sent to the driving module to control the driving module to perform the black frame insertion in the black frame insertion period. Inserted image data for use in the black frame insertion is generated by the driving module to be displayed by the display device during the black frame insertion period in response to receiving the control signal.

An image sensor includes a plurality of pixels with each pixel having a photosensitive area that captures a sequence of at least two light exposures by accumulating photon-induced charge for each exposure; at least two charge storage areas each of which is associated respectively with one of the sequence of light exposures into which the accumulated charge for each exposure is transferred sequentially; and at least one amplifier that is associated with at least one of the charge storage areas.

A motion-setting section (61) sets a motion amount and a motion direction for obtaining processing coefficients. A student-image-generating section (62) generates student images obtained by adding a motion blur to a teacher image not only based on the set motion amount and the set motion direction but also by changing at least one of the motion amount and motion direction in a specific ratio and student images obtained by adding no motion blur to the teacher image. A prediction-tap-extracting section (64) extracts, in order to extract a main term that mainly contains component of the target pixel, at least a pixel value of pixel in the student image whose space position roughly agrees with space position of the target pixel in the teacher image. A processing-coefficient-generating section (65) generates processing coefficients for predicting the target pixels in the teacher images from the pixel values of extracted pixels based on a relationship between the pixels thus extracted and the target pixels in the teacher images. The processing coefficients that are suitable for any motion blur removing which is robust against any shift of the motion vector can be generated through learning.

A control subsystem determines based on the characteristics of light from a secondary illumination source reflected off optics of a data collection device whether a display screen of an electronic device (e.g., smartphone, smartwatch, tablet computer) are in a field of view of the data collection device, and switches operational modes accordingly. Thus, the control subsystem can employ a Fresnel pattern for such determination. The data collection device can operate in a diffuse reading mode, characterized by active illumination and / or relatively fast exposure times. The data collection device can operate in a reflective reading mode, characterized by a lack of active illumination and / or relatively slow exposure times. Characteristics can include the number of reflections versus a number of air-substrate interfaces and / or a relative intensity of the reflections produced by successive air-substrate interfaces in a path of the light.

An apparatus for removing motion blur of an image is disclosed. The apparatus includes a motion-blur-function-estimation unit that estimates the motion-blur function of an input image, an image-restoration unit that restores the input image using the estimated motion-blur function, a cost-calculation unit that calculates the blur cost of the restored image, and a control unit that determines the re-estimation of the motion-blur function depending on the calculated blur cost.

A motion-setting section (61) sets a motion amount and a motion direction for obtaining processing coefficients. A student-image-generating section (62) generates student images obtained by adding a motion blur to a teacher image not only based on the set motion amount and the set motion direction but also by changing at least one of the motion amount and motion direction in a specific ratio and student images obtained by adding no motion blur to the teacher image. A prediction-tap-extracting section (64) extracts, in order to extract a main term that mainly contains component of the target pixel, at least a pixel value of pixel in the student image whose space position roughly agrees with space position of the target pixel in the teacher image. A processing-coefficient-generating section (65) generates processing coefficients for predicting the target pixels in the teacher images from the pixel values of extracted pixels based on a relationship between the pixels thus extracted and the target pixels in the teacher images. The processing coefficients that are suitable for any motion blur removing which is robust against any shift of the motion vector can be generated through learning.

A display apparatus and a control method which can effectively remove a false contour and a motion blur from a moving picture when an image includes a repetitive pattern of a frame are provided. A display apparatus comprises a pattern determiner to determine a frame pattern of the input image, a motion vector calculator to calculate a motion vector on the basis of a first frame corresponding to a first presented frame among the frames of a repetitive pattern, and a second frame corresponding to an image that is different from the frames of the repetitive pattern after the repetitive pattern is generated, when the input image includes the repetitive pattern, a motion compensating brightness calculator to calculate motion compensating brightness at the beginning of each subfield according to the motion vector, an integral brightness calculator to calculate integral brightness of the quantity of light emitted in the subfield for a predetermined period of time along the motion vector, and an emission pattern selector to select whether light is emitted in the subfield on the basis of the motion compensating brightness and the integral brightness.