30results about How to "Improve motion blur" patented technology

A method for constructing a final image using adaptive exposure control in multiple exposure photography, comprising: (a) capturing an exposure; (b) analyzing the exposure at least to determine deficiencies in the exposure; (c) setting exposure parameters for at least one next exposure adapted to construct the final image with ameliorated deficiencies; (d) capturing the at least one next exposure using the set exposure parameters; and, (e) constructing a final image utilizing portions of at least the two exposures.

The invention discloses a method for eliminating dynamic streaking of liquid crystal display. The concrete steps include: (a). convert images of two following frames into black and white brightness signal images; (b). compare the pixels at the corresponding position in the black and white brightness signal images and retain the pixel with a smaller grayness value; (c). form a frame of black frame insertion images (Gn) with the group of pixels obtained after the comparison of each pair of pixels; (d). insert the black frame insertion images (Gn) into images of two following frames. The method of the invention is to compare continuous image signals of two frames, and form a frame of 'new grayness distribution signal' with the darker pixels of each pixel position as the black frame insertion image to reach the purpose of lowering MPRT and eliminating streaking of dynamic images. The invention can not only overcome the shortcoming of the low efficiency of the black frame insertion technique, but also overcome the inadequate elimination of dynamic blurs and the high decline of the contrast in gray frame insertion technique. In addition, the method of obtaining insertion frames is simple and accessible, thus greatly saving the production cost.

An image processing apparatus includes a still / motion determining unit and a motion blur adder. The still / motion determining unit makes a still / motion determination for each region of respective unit images constituting motion image data. The motion blur adder then adds motion blur to the motion image data on the basis of the still / motion determination and imaging information expressing parameters whereby the motion image data was generated as a result of imaging by an imaging apparatus.

A display device includes: a plurality of pixels, each of the pixels including: a switching transistor; a relay transistor; a first capacitor; a driving transistor; and an organic light emitting diode (OLED). The OLED emits light according to a driving current from a first power source voltage, and a light emitting period for the OLED is one of a first light emitting period that is not temporally overlapped with a scan period in which data are written to the pixels or a second light emitting period that is temporally overlapped with the scan period. A duty of the light emitting period is controlled by controlling a time when a second power source voltage is applied as a low level voltage within the first light emitting period or controlling a time when the second power source voltage is applied as a low level voltage within the second light emitting period.

The invention is applied in the technical field of LCD display, and provides a grey insertion method and a drive circuit for the LCD display, wherein the method comprises the following steps of: judging that the LCD display displays a dynamic frame or static frame; when the LCD display displays the dynamic frame, improving the extent of the grey insertion of the frame displayed by the LCD display, and synchronously prolonging a working cycle of a pulse width modulation signal, wherein the pulse width modulation signal is used for driving a backlight module of the LCD display; and when the LCD display displays the static frame, reducing the extent of the grey insertion of the frame displayed by the LCD display, and synchronously shortening the working cycle of the pulse width modulation signal. Because a frame detector is used to judge that a second frame displayed by the LCD display is the dynamic frame or static frame, the increase or decrease of the extent of the grey insertion of the frame is determined, and the working cycle of the pulse width modulation signal is synchronously prolonged or shortened, the method and the drive circuit can be suitably used for adjusting the extent of the grey insertion of the frame, synchronously adjusting the brightness of the backlight, and improving the dynamic fuzzy problem of the dynamic frame.

The invention belongs to the technical field of computer vision measurement, and relates to a high-precision restoration method of fuzzy image based on vision prior information and system reference quantity. According to the exposure time of binocular vision measurement system, The accurate prior information of frame rate is used to obtain the changing direction of the same center position in image coordinate system and the moving distance in exposure time, that is, the blur direction and the blur scale, so as to obtain the accurate blur kernel of each image by using the relationship between two adjacent frames in the image sequence. Then the non-blind image restoration algorithm is used to deconvolution and get the clear restoration image, which realizes the high-speed image deblurring and restoration in the machine tool dynamic detection, and improves the measurement accuracy of the vision measurement system. The method can effectively improve the motion blurring problem of serial images, and the deblurring effect is obvious, which meets the requirements of precise extraction of machine tool positioning information in high-speed motion state.

The invention discloses a video decoding method for reducing the LCD displaying motion fuzzy, which includes the following steps: a video stream enters a de-multiplexing module to be de-multiplexed to obtain motion coding information and texture coding information; after the motion coding information enters a motion coding module, the vector information of motion estimation is analyzed, and the vector information is input into a motion compensation module to obtain a motion compensation image; the texture coding information enters an image texture decoding module to obtain a texture decoding image which is combined with the motion compensation image to obtain a reconstructed image; the reconstructed image is input into an image marginal detecting module to obtain marginal vector information, which enters a dynamic image marginal enhanced module together with the motion estimation vector information; the dynamic image marginal enhanced module inputs enhanced video images into an LCD displaying module. The invention also discloses a device for realizing the method. The method of the invention can effectively improve the motion fuzzy phenomenon during the LCD displaying and save software and hardware resources as well as reduce implementation costs.

A method and apparatus are described including determining an inter-frame object displacement for each object in a left eye image frame pair, determining an inter-frame object displacement for each object in a right eye image frame pair, determining a convergence shifting field between each object in the left eye image and the right eye image pair, determining an amount of motion blur responsive to the inter-frame object displacement for each object in the left eye image frame pair, the inter-frame object displacement for each object in the right eye image frame pair, and the convergence shifting field between each object in the left eye image and the right eye image pair and adjusting the motion blur by the amount of motion blur.

The present disclosure relates to an organic light emitting display device and a device for driving the same. The present provides the organic light emitting display device that enables implementationof a narrow bezel and easy implementation of a circuit by simplifying a structure of an EM driver, and a device for driving the same.

The present invention relates to signal processing for motion blur improvement. The image memory of the present invention sequentially stores input image data of a plurality of frames inputted. The writing control unit controls writing to the image memory. The read control unit controls read from the image memory. The drive image data control unit generates the drive image data based on read image data sequentially read from the image memory. The drive image data generation unit replaces at least a part of the read image data with mask data to generate the drive image data. The pixel value indicated by the mask data is determined based on the pixel value indicated by the read image data corresponding to the pixel to be replaced by the mask data. In this way, it is possible to improve the blurring of moving images that occurs in the image display device, and suppress the attenuation of the brightness level of the displayed image.

An inverse blending process is appropriately and easily performed on a receiving side in a case of transmission of blended moving image data.Information indicating blending rates and information indicating blending target pictures are inserted into encoded image data associated with pictures of blended images in a case of transmission of blended moving image data. In addition, information indicating blending rates and information indicating blending target pictures in correspondence with image data associated with pictures of blended images are also transmitted in a case of transmission of blended moving image data by a digital interface. An inverse blending process can be appropriately and easily performed on a receiving side on the basis of the information indicating the blending rates and the information indicating the blending target pictures.

A light-emitting diode apparatus and a control method of the light-emitting diode apparatus are provided. The control method includes: applying a pre-reset voltage to a control terminal of a driving transistor of the light-emitting diode apparatus in a pre-resetting stage to pre-reset the control terminal of the driving transistor; resetting the control terminal of the driving transistor of the light-emitting diode apparatus by using a reset voltage source in a first resetting stage; compensating the control terminal of the driving transistor to a compensation voltage in a compensation stage; and providing, by the driving transistor, a driving current in a light emission stage to drive a light-emitting diode of the light-emitting diode apparatus to emit light.

The invention discloses an automatic exposure method. The method comprises the following steps: S1, acquiring current frame image data shot by a shooting device according to current exposure parameters, and calculating the brightness Ya of a current frame; S2, calculating a target exposure EVb according to the brightness Ya of the current frame, the current exposure EVa and the target brightness Yb; S3, selecting a corresponding exposure parameter table according to the motion state of the shooting device; S4, determining a target exposure parameter according to the target exposure EVb and the selected exposure parameter table; S5, updating the exposure parameter of the shooting device to the target exposure parameter and returning to the step S1, wherein the current exposure EVa is calculated by a current exposure parameter of the shooting device, and the target brightness Yb is obtained by calculating an exposure index Na by the current exposure EVa and then combining the exposure index Na with a brightness lookup table. According to the invention, the problems of motion blur of a picture caused by shooting in a motion state and serious noisy points of the picture caused by shooting in a static state of the shooting device are improved.

An imaging and measuring system of vocal cord vibration based on plane wave ultrasonography, includes: a digital ultrasonography system, a data acquisition unit, and a computer; wherein the digital ultrasonography system comprises an ultrasound linear array transducer and a host; wherein the ultrasound linear array transducer is controlled by the host for sending an ultrasound plane wave and receiving echo; the echo is sent back to data acquisition unit; wherein the data acquisition unit converts the echo into digital signal and then sends it to the computer; wherein the computer provides beamforming, envelope detection, and dynamic range compression of the digital signal received, for obtaining a laryngeal tissue structure image. The present invention provides high-speed imaging of the vocal cord vibration with temproal and spatial synchronization, and quantitatively extracting information of biomechanical parameters as well as vibrational phase changes.

The invention discloses a method for eliminating dynamic streaking of liquid crystal display. The concrete steps include: (a). convert images of two following frames into black and white brightness signal images; (b). compare the pixels at the corresponding position in the black and white brightness signal images and retain the pixel with a smaller grayness value; (c). form a frame of black frame insertion images (Gn) with the group of pixels obtained after the comparison of each pair of pixels; (d). insert the black frame insertion images (Gn) into images of two following frames. The method of the invention is to compare continuous image signals of two frames, and form a frame of 'new grayness distribution signal' with the darker pixels of each pixel position as the black frame insertion image to reach the purpose of lowering MPRT and eliminating streaking of dynamic images. The invention can not only overcome the shortcoming of the low efficiency of the black frame insertion technique, but also overcome the inadequate elimination of dynamic blurs and the high decline of the contrast in gray frame insertion technique. In addition, the method of obtaining insertion frames is simple and accessible, thus greatly saving the production cost.

The embodiment of the invention provides an image processing method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of displays. The method comprises the following steps: acquiring a first image and a second image which are adjacent in a time domain; determining dynamic pixel points of the second image relative to the first image; determining an overvoltage driving gain value of the dynamic pixel point; and performing overvoltage driving processing on the second image according to the overvoltage driving gain value. According to the embodiment of the invention, the overvoltage driving processing is carried out on the image according to the overvoltage driving gain value for the dynamic pixel point, the optimization of the overvoltage driving effect for the dynamic region of the image is realized, the technical effect of overvoltage driving is guaranteed, and the dynamic blurring problem of image display is effectively improved.

A display device according to one aspect of the disclosure includes a liquid crystal panel, a backlight including at least one light source to irradiate light to the liquid crystal panel, a timing controller to scan, in each frame period based on a synchronization signal which is input, the liquid crystal panel at a scan rate faster than a frame rate based on the synchronization signal, and a backlight control unit to turn on the backlight till a second time point, which is a scan time point of a next frame, from a first time point when a specified time elapses from a time point in which scan of the liquid crystal panel is finished in each frame period.

The invention provides a display method of an active array type display. Firstly, image data is provided; then the image data is divided into first image block data and second image block data; and thThe invention provides a display method of an active array type display. Firstly, image data is provided; then the image data is divided into first image block data and second image block data; and then first black frame block data and second black frame block data are inserted into the first image block data and the second image block data so as to form a first frame data and a second frame data;en first black frame block data and second black frame block data are inserted into the first image block data and the second image block data so as to form a first frame data and a second frame data; and finally the first frame data and the second frame data are displayed in sequence to display the image data. The method can avoid the great brightness difference between two adjacent output framesand finally the first frame data and the second frame data are displayed in sequence to display the image data. The method can avoid the great brightness difference between two adjacent output frames so as to solve the problems of dynamic image flickering, dynamic fuzzy and remnant image.so as to solve the problems of dynamic image flickering, dynamic fuzzy and remnant image.

The invention discloses a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a data writing module, a driving transistor and a state resetting module, the driving transistor comprises a first grid electrode and a second grid electrode, and the data writing module is used for providing data voltage for the first grid electrode of the driving transistor in a data writing stage; the state reset module is used for writing a first conduction voltage into a second grid electrode of the driving transistor in a first state reset stage so as to enable the driving transistor to be conducted in a linear working area; the state resetting module is also used for writing a second conduction voltage into a second grid electrode of the driving transistor in a second state resetting stage so as to enable the driving transistor to be conducted in the saturated working area; the driving transistor is used for generating driving current according to data voltage in a light-emitting stage; wherein the first state reset stage and the second state reset stage are located between the light emitting stage and the data writing stage. The problems of flicker and motion blur can be solved.

An image processing apparatus includes a still / motion determining unit and a motion blur adder. The still / motion determining unit makes a still / motion determination for each region of respective unit images constituting motion image data. The motion blur adder then adds motion blur to the motion image data on the basis of the still / motion determination and imaging information expressing parameters whereby the motion image data was generated as a result of imaging by an imaging apparatus.

The invention discloses a backlight scanning method, a backlight driver and display equipment. According to the embodiment of the invention, at least one scanning signal is generated according to the video signal to drive the backlight source, the number of the scanning pulses in each scanning signal, the number of the masked scanning pulses and the initial position of the masked scanning pulses can be adjusted, so that a backlight extinguishing period is set in a control period, liquid crystal is twisted to change light transmittance, and the brightness of the liquid crystal is improved. The expressive force of a dynamic image is improved, and the effect of motion blur is weakened.

There is provided systems, methods and computer program products for generating motion blur on image frames, comprising: obtaining gaze data related to an eye movement between consecutive images, determining movement of at least one object in relation to said gaze data by calculating the difference in position of said at least one object and said gaze data between the image frames, forming a motion blur vector and applying a motion blur on an image frame based on said motion blur vector.

The invention discloses a video decoding method for reducing the LCD displaying motion fuzzy, which includes the following steps: a video stream enters a de-multiplexing module to be de-multiplexed to obtain motion coding information and texture coding information; after the motion coding information enters a motion coding module, the vector information of motion estimation is analyzed, and the vector information is input into a motion compensation module to obtain a motion compensation image; the texture coding information enters an image texture decoding module to obtain a texture decoding image which is combined with the motion compensation image to obtain a reconstructed image; the reconstructed image is input into an image marginal detecting module to obtain marginal vector information, which enters a dynamic image marginal enhanced module together with the motion estimation vector information; the dynamic image marginal enhanced module inputs enhanced video images into an LCD displaying module. The invention also discloses a device for realizing the method. The method of the invention can effectively improve the motion fuzzy phenomenon during the LCD displaying and save software and hardware resources as well as reduce implementation costs.

A method and apparatus are described including determining an inter-frame object displacement for each object in a left eye image frame pair, determining an inter-frame object displacement for each object in a right eye image frame pair, determining a convergence shifting field between each object in the left eye image and the right eye image pair, determining an amount of motion blur responsive to the inter-frame object displacement for each object in the left eye image frame pair, the inter-frame object displacement for each object in the right eye image frame pair, and the convergence shifting field between each object in the left eye image and the right eye image pair and adjusting the motion blur by the amount of motion blur.

There is provided systems, methods and computer program products for generating motion blur on image frames, comprising: obtaining gaze data related to an eye movement between consecutive images, determining movement of at least one object in relation to said gaze data by calculating the difference in position of said at least one object and said gaze data between the image frames, forming a motion blur vector and applying a motion blur on an image frame based on said motion blur vector.

A light-emitting diode apparatus and a control method of the light-emitting diode apparatus are provided. The control method includes: applying a pre-reset voltage to a control terminal of a driving transistor of the light-emitting diode apparatus in a pre-resetting stage to pre-reset the control terminal of the driving transistor; resetting the control terminal of the driving transistor of the light-emitting diode apparatus by using a reset voltage source in a first resetting stage; compensating the control terminal of the driving transistor to a compensation voltage in a compensation stage; and providing, by the driving transistor, a driving current in a light emission stage to drive a light-emitting diode of the light-emitting diode apparatus to emit light.

The invention provides a display method of an active array type display. Firstly, image data is provided; then the image data is divided into first image block data and second image block data; and then first black frame block data and second black frame block data are inserted into the first image block data and the second image block data so as to form a first frame data and a second frame data; and finally the first frame data and the second frame data are displayed in sequence to display the image data. The method can avoid the great brightness difference between two adjacent output frames so as to solve the problems of dynamic image flickering, dynamic fuzzy and remnant image.

The invention is applied in the technical field of LCD display, and provides a grey insertion method and a drive circuit for the LCD display, wherein the method comprises the following steps of: judging that the LCD display displays a dynamic frame or static frame; when the LCD display displays the dynamic frame, improving the extent of the grey insertion of the frame displayed by the LCD display, and synchronously prolonging a working cycle of a pulse width modulation signal, wherein the pulse width modulation signal is used for driving a backlight module of the LCD display; and when the LCDdisplay displays the static frame, reducing the extent of the grey insertion of the frame displayed by the LCD display, and synchronously shortening the working cycle of the pulse width modulation signal. Because a frame detector is used to judge that a second frame displayed by the LCD display is the dynamic frame or static frame, the increase or decrease of the extent of the grey insertion of the frame is determined, and the working cycle of the pulse width modulation signal is synchronously prolonged or shortened, the method and the drive circuit can be suitably used for adjusting the extent of the grey insertion of the frame, synchronously adjusting the brightness of the backlight, and improving the dynamic fuzzy problem of the dynamic frame.