42results about How to "Suppress image blur" patented technology

There are provided a light-emitting device and a driving method thereof capable of suppressing an image blur and a flicker. The light-emitting device includes: a display unit in which a plurality of pixel circuits for allowing light-emitting elements to emit light with brightness corresponding to a data signal is arranged; an image acquiring unit for acquiring a first image and a second image corresponding to times different from each other in a frame period of time, respectively; a data-line driving unit for supplying a data signal corresponding to the first image to the pixel circuits belonging to a first group among the plurality of pixel circuits and supplying a data signal corresponding to the second image to the pixel circuits belonging to a second group other than the first group; and a light-emission control unit for allowing the light-emitting elements of the pixel circuits belonging to the first group to emit light in a first period of the frame period of time and allowing the light-emitting elements of the pixel circuits belonging to the second group to emit light in a second period other than the first period of the frame period of time.

An electrophotographic photoconductor having at least a photosensitive layer on a conductive support, wherein the electrophotographic photoconductor comprising, in the outermost layer thereof: a filler, an organic compound having an acid value of 10–400 mgKOH / g, and at least one of compounds represented by the following general formulas 1 and 2: where R1, R2 are substituted or unsubstituted alkyl groups or aromatic hydrocarbon rings, and may be identical or different. R1, R2 may also be bonded together to form a substituted or unsubstituted heterocycle containing a nitrogen atom. R3, R4, R5 are substituted or unsubstituted alkyl or alkoxy groups, or halogen atoms. Ar is a substituted or unsubstituted aromatic hydrocarbon ring or aromatic heterocycle. n is an integer in the range 2 to 4, and k, l, m are respectively integers in the range 0 to 3. X is an oxygen atom, or a sulfur atom.

A moving vehicle includes a skid-steer electric motor vehicle chassis that is capable of traveling and an optical sensor provided on the electric motor vehicle chassis. The electric motor vehicle chassis includes a chassis body, a plurality of wheels that are provided as pairs of right and left wheels at the front and rear of the chassis body, and a driving unit that individually rotation-drives the pairs of right and left wheels. The optical sensor is disposed, in planar view, at a position nearby an axle line of a pair of right and left wheels on one side of the front and rear. A pair of right and left wheels on the other side of the front and rear is configured of wheels with rollers each having a wheel body and a plurality of rollers provided on an outer circumferential portion of the wheel body.

A data converter divides input data into first subframe data and latter subframe data, and the latter subframe data is given to a data serial-parallel converter and serial-parallel converted. The first subframe data is given to a line memory group, and given to an overdrive operation circuit after a given delay. The latter subframe data converted into parallel data is given to a line memory group, and given to a data parallel-serial converter after a given delay, where it is parallel-serial converted, and then it becomes output data after the first subframe data outputted from the overdrive operation circuit.

An image blur compensation device detects the shake of an apparatus and compensates image blur by means of a mechanism for rotating an image sensor about an axis perpendicular to the imaging plane of the image sensor. A rotary member for holding the image sensor is rotatably held by a base member. The rotary member and the base member are urged by a tension spring in a direction closer to each other, and a ball provided between the rotary member and the base member rotatably supports the rotary member in a state where the ball abuts against both the rotary member and the base member. The ball is arranged within a ball-receiving groove formed in the base member. The ball is brought into abutment against the abutment surface provided on the rotary member by an urging force of a tension spring.

An image processing apparatus comprises a detection unit configured to detect a main subject from an image captured by an image sensor that captures a subject image, a position detection unit configured to detect a position, on a screen, of the main subject, and a correction unit configured to correct, based on the position of the main subject detected by the detection unit, at least one of a blur and a distortion of an image of a subject other than the main subject, the blur and the distortion occurring due to correction of a blur of an image of the main subject performed by an optical image stabilization unit configured to optically correct a blur, on the screen, of the image of the main subject.

In one embodiment of the present invention, when an image is displayed in an image display device which has a frequency of 50 to 70 Hz in one frame period, a control LSI is set so that, in the case where the frame average luminance of a pixel is in the range of 150 [cd / m2] to 350 [cd / m2], the contrast ratio between subframe periods is set to: a range of not greater than 50 and not smaller than 1.5 when the luminance is 150 [cd / m2]; a range of not greater than 3.5 and not smaller than 1.5 when the luminance is 200 [cd / m2]; a range of not greater than 2.2 and not smaller than 1.5 when the luminance is 250 [cd / m2]; a range of not greater than 1.8 and not smaller than 1.5 when the luminance is 300 [cd / m2]; 1.5 when the luminance is 350 [cd / m2], and, for a frame average luminance other than the frame average luminance in the range, the contrast ratio is set so as to be monotonously changed between the contrast ratios corresponding to the respective frame average luminance. As a result, flicker visibility can be prevented and moving image blur can be suppressed, thereby realizing an image display device that can display a moving image with high quality.

A high speed moving image processing section of a liquid crystal display device includes: a calculation section having a plurality of LUTs in accordance with which an output for performing overshoot drive is obtained with reference to current frame data and previous frame data; and a frame memory in which a video data signal of a previous frame is stored. During each writing period in a single frame period, the calculation section carries out data conversion for performing the overshoot drive by using a video data signal, transmitted from the host device, as current frame data, and by using a video data signal, read out from the frame memory, as pervious frame data. Further, an LUT for performing the overshoot drive is switched in every writing period.

The present invention aims to provide a mobile vehicle that can effectively suppress an image blur with a simple configuration.The present invention provides a mobile vehicle comprising: an electric undercarriage that can travel; and an imaging unit provided on the electric undercarriage, wherein the electric undercarriage includes an undercarriage body, multiple wheels which are provided as a pair of left and right wheels on a front part of the undercarriage body and as a pair of left and right wheels on a rear part thereof, two electric motors that independently and rotationally drive the pair of left and right wheels on at least one of the front part and the rear part out of the multiple wheels, and a battery that supplies electric power to the two electric motors, the pair of left and right wheels rotationally driven by the electric motors being disposed on the same axle line, and in a plan view, the imaging unit is disposed in a circular region that is centered at a middle point on the axle line between the pair of left and right wheels rotationally driven by the electric motors and has a predetermined radius shorter than a distance between axle lines of the left and right wheels on the front and rear parts.

A moving vehicle includes a skid-steer electric motor vehicle chassis that is capable of traveling and an optical sensor provided on the electric motor vehicle chassis. The electric motor vehicle chassis includes a chassis body, a plurality of wheels that are provided as pairs of right and left wheels at the front and rear of the chassis body, and a driving unit that individually rotation-drives the pairs of right and left wheels. The optical sensor is disposed, in planar view, at a position nearby an axle line of a pair of right and left wheels on one side of the front and rear. A pair of right and left wheels on the other side of the front and rear is configured of wheels with rollers each having a wheel body and a plurality of rollers provided on an outer circumferential portion of the wheel body.

Achieved are suppression of image-quality deterioration caused by an incorrect motion vector and suppression of flicker in video without causing adverse effects such as image blur. A video display apparatus performs multi-level gradation display by controlling light emission of subfields into which one field displaying a picture is divided, the video display apparatus comprising: an image processing unit configured to calculate a motion vector of the picture; a reliability value calculation unit configured to calculate a reliability value of the calculated motion vector; and a subfield display control unit configured to determine a subfield control pattern based on the calculated reliability value, and to control the light emission according to the determined subfield control pattern.

An imaging apparatus controls a size of an imaging region according to a spread of Z positions of substances in an object. For example, the imaging region becomes wide when the spread is small and becomes narrow when the spread is large. Or, the number of image sensors to be used is increased when the spread is small and is decreased when the spread is large. Or, an image sensor having a wide image pickup area is used when the spread is small, and an image sensor having a narrow image pickup area is used when the spread is large.

Provided is an image capture device capable of suppressing blurring of images and keeping a subject image at the start of capturing in the picture frame, even when a plurality of objects such as persons are photographed over a long time. The image capture device includes: an imaging optical system 1; an image capture element 2; a feature detector unit (face detector unit 8) for detecting the features of the objects contained in an image represented by an image signal obtained by the image capture element 2; a movement quantity detector unit for detecting the movement quantities of the features including the face regions of the human figures; and a composition change correction unit for correcting a change in the composition of the image based on the movement quantities of the face regions.

A method for suppression of image blur is applied to an image capturing apparatus in a photography mode whose exposure time is set to be greater than a safe exposure time. The method comprising the following steps: capturing a long exposure image with the present exposure time, and a short exposure image with an exposure time smaller than or equal to the safe exposure time in the same landscape. Besides, obtain a locus signal in the process of long exposure image capture. Afterwards, execute an arithmetic procedure to smooth the short exposure image, and then produce a point scale image using the auxiliary arithmetic of locus signal. Finally, process the long exposure image and the point scale image with multiplication arithmetic to restore the long exposure image, thus forming an output image.

An image blur compensation device detects the shake of an apparatus and compensates image blur by means of a mechanism for rotating an image sensor about an axis perpendicular to the imaging plane of the image sensor. A rotary member for holding the image sensor is rotatably held by a base member. The rotary member and the base member are urged by a tension spring in a direction closer to each other, and a ball provided between the rotary member and the base member rotatably supports the rotary member in a state where the ball abuts against both the rotary member and the base member. The ball is arranged within a ball-receiving groove formed in the base member. The ball is brought into abutment against the abutment surface provided on the rotary member by an urging force of a tension spring.

A method for suppression of image blur is applied to an image capturing apparatus in a photography mode whose exposure time is set to be greater than a safe exposure time. The method comprising the following steps: capturing a long exposure image with the present exposure time, and a short exposure image with an exposure time smaller than or equal to the safe exposure time in the same landscape. Besides, obtain a locus signal in the process of long exposure image capture. Afterwards, execute an arithmetic procedure to smooth the short exposure image, and then produce a point scale image using the auxiliary arithmetic of locus signal. Finally, process the long exposure image and the point scale image with multiplication arithmetic to restore the long exposure image, thus forming an output image.

An image forming apparatus includes an image bearing member for bearing a developer image; a driving portion for rotationally driving the image bearing member; a developing device for developing an electrostatic latent image on the image bearing member into the developer image; a cleaning blade, slidably contacting the image bearing member which is rotated, for removing from the image bearing member a developer remaining on the image bearing member after transfer of the developer image; a controller capable of executing a stop operation of the image bearing member in which the image bearing member is, after being temporarily stopped at the time of an end of an image forming operation, rotated in the same direction as that during the image forming operation and then is rotated in a direction opposite to that during the image forming operation; and a predicting portion for predicting a remaining usable lifetime of the image bearing member. In the stop operation of the image bearing member after the remaining usable lifetime is below a threshold, the controller controls an amount of rotation in the direction opposite to that during the image forming operation so as to be smaller than the amount of rotation before the remaining usable lifetime is below the threshold.

The present invention is an ink-jet recording apparatus 100 capable of carrying out printing continuously onto both surfaces of a recording medium 1, the ink-jet recording apparatus 100 having: a first unit 10a having a first ink-jet recording head 2a for carrying out printing onto a first surface la of the recording medium 1 and having a first drying drum 3apositioned below the first ink-jet recording head 2a and heating and drying the recording medium 1 after the printing; and a second unit 10b having a second ink-jet recording head 2b for carrying out printing onto a second surface 1b of the recording medium 1 and having a second drying drum 3b positioned below the second ink-jet recording head 2b and heating and drying the recording medium 1 after the printing.

A display apparatus including a display having an upper display part and a lower display part, comprises a frame memory for storing therein the video image data at a rate of N frames / sec and supplying the stored video image data twice to each of the upper display part and the lower display part to write the video image data into the display at a rate of 2N frames / sec, wherein while the video image data of the (I+1)th frame are written in the upper display part as the first time, the video image data of Ith frame preceding by one frame to the (I+1)th frame is written in the lower display part as the second time, and while the video image data of (I+1)th frame are written in the upper display part as the second time, the video image data of the (I+1)th frame are written in the lower display part as the first time.

To provide a semiconductive roller which, when being used as a developing roller in combination with a positively chargeable toner, is capable of suppressing adhesion of the toner thereto to suppress reduction of image density, charging the toner to a higher toner charging level to ensure formation of higher-quality images, and suppressing reduction of toner charging level even after continuous repeated image formation to thereby suppress fogging of formed images for a longer period of time. The semiconductive roller (1) is made of a crosslinking product of a rubber composition containing at least an epichlorohydrin rubber and a chloroprene rubber, and has a fluorinated film (5) formed in an outer peripheral surface (4) thereof by treatment with fluorine gas.

An image forming apparatus having a color mode and a monochromatic mode, which includes: a transmission member, which can be switched between a transmitted state where a motor transfers a drive force to a single photoreceptor drum and a non-transmitted state where the motor does not transfer the drive force to the single photoreceptor drum; and a controller which switches to the non-transmitted state while executing an image formation in the monochromatic mode, and when a command to execute a next image formation is not instructed, switches to the transmitted state after a phase adjustment of each photoreceptor drum after the image formation in the monochromatic mode, and controls the motor to execute a slight rotation operation at every prescribed period of time by synchronizing plural drums including the single photoreceptor drum with each other through the transmission member.

The present invention addresses the problem of providing a head-up display device with which the display quality of a display object can be improved. A mirror holder 30 supporting a concave mirror is equipped with a protruding piece that protrudes from the approximate center of the holder width, which is defined along a rotational axis, and this protruding piece is moved by a position adjustment means. Stress acting on the mirror holder from the protruding piece is uniform in the left and right directions from the center of the mirror holder. Consequently, twisting at the location of the mirror holder is significantly reduced, so the driver is able to view a display object for which distortion has been suppressed, and the display quality of the display object is improved.

An image capturing apparatus comprising: an image capturing unit configured to capture a plurality of images with different exposure amounts; an image compositing unit configured to composite the plurality of images and generate a composited image; and a display control unit configured to display the composited image generated by the image compositing unit on a display unit; wherein the display control unit performs control so that, in accordance with an instruction for magnifying a portion of the composited image displayed on the display unit, a magnified image of an image from among the plurality of images captured by the image capturing unit is displayed on the display unit instead of the composited image.

A developer including a colored resin particle and an external additive added to a surface of the colored resin particle and having a diameter smaller than or equal to 200 nm is provided. The external additive includes a nitrogen-containing resin particle. In elemental analysis of the nitrogen-containing resin particle, a peak appearing in a range of 0.38-0.42 keV is expressed as an N-peak, and a peak appearing in a range of 0.48-0.52 keV is expressed as an O-peak. Maximum count numbers in the N-peak and the O-peak of the external additive on a surface of the colored resin particle are respectively expressed as N1 and O1. Maximum count numbers in the N-peak and the O-peak of the surface of the colored resin particle where no external additive is observed are respectively expressed as N2 and O2. The count numbers N1, O1, N2 and O2 satisfy 1.7×(N2 / O2)<(N1 / O1).

An image forming apparatus having a color mode and a monochromatic mode, which includes: a transmission member, which can be switched between a transmitted state where a motor transfers a drive force to a single photoreceptor drum and a non-transmitted state where the motor does not transfer the drive force to the single photoreceptor drum; and a controller which switches to the non-transmitted state while executing an image formation in the monochromatic mode, and when a command to execute a next image formation is not instructed, switches to the transmitted state after a phase adjustment of each photoreceptor drum after the image formation in the monochromatic mode, and controls the motor to execute a slight rotation operation at every prescribed period of time by synchronizing plural drums including the single photoreceptor drum with each other through the transmission member.

An image capturing apparatus comprising an image capturing unit is provided. A zoom control unit controls a zoom ratio during shooting. An image capture control unit controls the image capturing unit such that a plurality of images with different exposure conditions are captured in a predetermined period. A generation output unit generates a composite image from the plurality of images and outputs the generated composite image. A determination determines whether or not the zoom ratio is being changed during the predetermined period. In a case where it is determined that the zoom ratio is being changed, the generation output unit outputs one of the images captured by the image capturing unit during the predetermined period, instead of the composite image.