30results about How to "Effect on image quality" patented technology

An immersion lithographic apparatus includes a voltage generator or power source that applies a potential difference to an object in contact with the immersion liquid such that bubbles and / or particles in the immersion liquid are either attracted or repelled from that object due to the electrokinetic potential of the surface of the bubble in the immersion liquid.

To provide an image bearing member protecting agent that includes at least a hydrophobic organic compound and an amphiphile organic compound. Preferred embodiments are that the hydrophobic organic compound is a hydrocarbon wax, and the hydrocarbon wax is at least a wax selected from normal paraffins, isoparaffins, and cycloparaffins; and that the amphiphile organic compound is an polyalcohol esterified compound including a nonionic surface active surfactant, and the nonionic surface active surfactant is an alkyl carboxylic acid represented by a structural formula, CnH2n+1COOH.

For use in MR imaging of a patient a plurality of surface electrodes such as ECG or defibrillator are provided for obtaining electrical signals for determining electrical activity within the body of the patient and remain in place during the MR imaging. The surface electrodes include a quick disconnect wire for carrying the signals to a signal processing system to be removed during the MR imaging to prevent heating. Each electrode comprises a conductive layer divided by slits into separate side by side sections to reduce eddy currents which are induced in the surface electrodes when they are exposed to variations in the magnetic field. The sections all are connected through the layer to the conductive location to allow the signal therefrom to be connected to the communication conductor.

The resolution, frame rate, or both can be improved when imaging moving subjects in an imaging apparatus using a CMOS image sensor. The imaging apparatus has an image sensor having a two-dimensional array of pixels. Each of the pixels includes an element operable to produce an electric charge by photoelectrically converting light from an imaged subject and a part operable to accumulate the produced charge and output an accumulated charge or a signal representing the accumulated charge. The imaging apparatus also has an area control unit operable to define a specified area of the image sensor containing a plurality of pixels and an area density control unit operable to specify a density of pixels read from the specified area defined by the area control unit.

A video signal is produced from a color imaging array of the type having luminance elements of a first color (typically green) and chrominance elements of second and third colors (typically red and blue). The video signal processing includes, for each element of the second color, estimating a chrominance value of the third color as a function of the actual chrominance value of that element, the local neighborhood of actual chrominance values of the third color, and an anti-aliasing control value derived from the local neighborhood of actual luminance values and actual third color chrominance values. In preferred forms, a similar estimation of the second color at each third color element is performed.

A metering blade suspension system utilizes a leaf spring that performs multiple combined functions such as supporting a metering blade assembly, controlling the angle, position and / or load of the blade assembly while allowing the assembly to pivot in a quasi-frictionless motion, locking the blade assembly in place, providing an electrical connection and / or bleeding static charge.

A metering blade suspension system utilizes a leaf spring that performs multiple combined functions such as supporting a metering blade assembly, controlling the angle, position and / or load of the blade assembly while allowing the assembly to pivot in a quasi-frictionless motion, locking the blade assembly in place, providing an electrical connection and / or bleeding static charge.

A power converter for powering a gradient coil (22) of a magnetic resonance examination system, comprising: a plurality of essentially identical switching cells (14, 16, 18), each switching cell (14, 16, 18) having a plurality of switching members (52) that are provided to switch between a conducting state configuration and an essentially non-conducting state configuration, and the switching cells (14, 16, 18) being provided to switch at at least a fundamental switching frequency fSW and in a pre-determined temporal relationship to each other, a pulse control unit (20) provided to control the pre-determined temporal relationship of switching of the switching cells (14, 16, 18) by providing switching pulses to the switching members (52) of the switching cells (14, 16, 18), wherein the pulse control unit (20) is provided to determine a correction for the pre-determined temporal relationship of the switching of the switching cells (14, 16, 18) from at least one electrical quantity each of each one of the plurality of switching cells (14, 16, 18), and to adjust the pre-determined temporal relationship according to the determined correction, such that at least one electrical quantity of a power converter output essentially has a zero amplitude at the fundamental switching frequency fSW; and a method of operating a power converter, particularly for powering a gradient coil (22) of a magnetic resonance examination system, for compensating inductance asymmetries.

A method and apparatus for optimizing the voltage supply of an image sensor pixel array to minimize pixel noise and maximize dynamic range is disclosed. The voltage supply is adjusted in response to the exposure level of the pixel array when it captures an image. The voltage supply is increased in higher exposure levels to expand the dynamic range of the pixel array. In lower exposure levels, when the full dynamic range of the pixel array is not utilized, the voltage supply is decreased to lower pixel noise level and reduce its effect on image quality.

An immersion lithographic apparatus includes a voltage generator or power source that applies a potential difference to an object in contact with the immersion liquid such that bubbles and / or particles in the immersion liquid are either attracted or repelled from that object due to the electrokinetic potential of the surface of the bubble in the immersion liquid.

A color adjustment method for a color sequential liquid crystal display (LCD) having at least one white light source is provided. In the color adjustment method, firstly, an original image signal is converted into a target color point located in a chromaticity diagram in a color space. Then, a modified image signal having white data is calculated according to the original image signal. Afterwards, the modified image signal is converted into a main color point located in the chromaticity diagram by using a matrix group. Then, a plurality of subfield data are calculated according to the main color point and the target color point. The subfield data are used for enabling the main color point to fall on the target color point.

A superconducting, actively shielded magnet has a first and second superconducting coil modules that generate a homogeneous magnetic field in a first direction in an operating volume of the magnet and that reduces the scatter magnetic field in an environment of the magnet. A third superconducting coil module is arranged in proximity to the first and second coil modules. The third coil module is fashioned to generate a compensation gradient field given occurrence of an interference gradient field in the environment so that the effect of the interference gradient field in the operating volume is reduced.

To provide an image bearing member protecting agent that includes at least a hydrophobic organic compound and an amphiphile organic compound. Preferred embodiments are that the hydrophobic organic compound is a hydrocarbon wax, and the hydrocarbon wax is at least a wax selected from normal paraffins, isoparaffins, and cycloparaffins; and that the amphiphile organic compound is an polyalcohol esterified compound including a nonionic surface active surfactant, and the nonionic surface active surfactant is an alkyl carboxylic acid represented by a structural formula, CnH2n+1COOH.

The invention relates to a monolithic optical mount, which is divided by a plurality of cutouts into a stationary outer mount ring, a laterally adjustable inner mount ring, and manipulator units that are arranged with uniform offset from each other and formed by the remaining material connections. The cutouts have a uniform constant width and can therefore advantageously be produced by milling. The manipulator units have a simple geometrical design in the form of T- or L-shaped webs.

A superconducting, actively shielded magnet has a first and second superconducting coil modules that generate a homogeneous magnetic field in a first direction in an operating volume of the magnet and that reduces the scatter magnetic field in an environment of the magnet. A third superconducting coil module is arranged in proximity to the first and second coil modules. The third coil module is fashioned to generate a compensation gradient field given occurrence of an interference gradient field in the environment so that the effect of the interference gradient field in the operating volume is reduced.

The resolution, frame rate, or both can be improved when imaging moving subjects in an imaging apparatus using a CMOS image sensor. The imaging apparatus has an image sensor having a two-dimensional array of pixels. Each of the pixels includes an element operable to produce an electric charge by photoelectrically converting light from an imaged subject and a part operable to accumulate the produced charge and output an accumulated charge or a signal representing the accumulated charge. The imaging apparatus also has an area control unit operable to define a specified area of the image sensor containing a plurality of pixels and an area density control unit operable to specify a density of pixels read from the specified area defined by the area control unit.

In a method and an apparatus for magnetic resonance tomography, an eddy current field is compensated by taking into account its progression over time and its dependence on a sensed value, by having a sensor determine the sensed value and, on the basis of the sensed value, a current strength for a conductor in order to generate an opposing field to reduce the eddy current field is determined, and supplied to the conductor.

In a method for reconstruction of a three-dimensional image data set from magnetic resonance slice data of a target region acquired in target slices while a noise object distorting the magnetic field is present in the target region, for each target slice to be acquired, in addition to a central partition slice corresponding to the respective target slice, location, multiple partition slices adjacent to the central partition slice are acquired in a supplementary encoding direction perpendicular to the slice plane in multiple phase-encoding steps. A correction area and a standard reconstruction area of the target region are determined on the basis of a distortion criterion, obtained by evaluating the slice data that describes the distortion along the supplementary encoding direction. In the standard reconstruction area, only slice data are used, and in the correction area, slice data of partition slices outside the target slice are assigned to target slices in order to correct the distortion.

A method and apparatus for optimizing the voltage supply of an image sensor pixel array to minimize pixel noise and maximize dynamic range is disclosed. The voltage supply is adjusted in response to the exposure level of the pixel array when it captures an image. The voltage supply is increased in higher exposure levels to expand the dynamic range of the pixel array. In lower exposure levels, when the full dynamic range of the pixel array is not utilized, the voltage supply is decreased to lower pixel noise level and reduce its effect on image quality.

A liquid crystal display (LCD) device is provided. The LCD device comprises a data signal line in a first plane and a common electrode line in a second plane, and the common electrode line comprises an intersection region, which is a region where a projection of the common electrode line in the first plane overlaps with a region of the data signal line. The intersection region comprises a plurality of narrow common electrode lines.

The invention relates to a monolithic optical mount, which is divided by a plurality of cutouts into a stationary outer mount ring, a laterally adjustable inner mount ring, and manipulator units that are arranged with uniform offset from each other and formed by the remaining material connections. The cutouts have a uniform constant width and can therefore advantageously be produced by milling. The manipulator units have a simple geometrical design in the form of T- or L-shaped webs.

If the grids of a color conversion table are simply downsampled, the way ink is used (the manner of the changeover in the value of a CMYKlclm signal) differs from that color conversion table before downsampling, there is a shift in the starting point of dark ink at the point of changeover of continuous tone ink, and a decline in image quality ascribable to downsampling of the color conversion table tends to occur. Accordingly, an original LUT is read in, a parameter for selecting a grid to be downsampled is set, a table of evaluation values for selecting a grid to be downsampled is created, a grid capable of being downsampled is selected by referring to the evaluation-value table, and table data that does not contain this grid is copied.

There is provided an image processing apparatus. An obtainment unit obtains a first parameter pertaining to a number of pixels and a second parameter pertaining to image quality aside from the number of pixels. A changing unit instructs the first parameter and the second parameter to be changed. An image processing unit generates a first image by carrying out image processing on an original image in accordance with the changed first parameter and the changed second parameter, and generates a second image in accordance with the changed first parameter and the second parameter before the change. A display control unit displays the first and second images. A recording control unit carries out control such that an image generated by carrying out the image processing on the original image in accordance with the changed first parameter and the changed second parameter is recorded.

There are provided an optical film having both low orientation birefringence and low photoelastic birefringence and, at the same time, having excellent transparency and heat resistance, and a polarizing plate including the optical film and a liquid crystal display device. An acrylic copolymer according to the present invention includes as constituent units 0.5 to 35% by mass of N-aromatic substituted maleimide units and 60 to 85% by mass of alkyl (meth)acrylate units having a negative intrinsic birefringence in terms of a homopolymer.

A color adjustment method for a color sequential liquid crystal display (LCD) having at least one white light source is provided. In the color adjustment method, firstly, an original image signal is converted into a target color point located in a chromaticity diagram in a color space. Then, a modified image signal having white data is calculated according to the original image signal. Afterwards, the modified image signal is converted into a main color point located in the chromaticity diagram by using a matrix group. Then, a plurality of subfield data are calculated according to the main color point and the target color point. The subfield data are used for enabling the main color point to fall on the target color point.

In a method for reconstruction of a three-dimensional image data set from magnetic resonance slice data of a target region acquired in target slices while a noise object distorting the magnetic field is present in the target region, for each target slice to be acquired, in addition to a central partition slice corresponding to the respective target slice, location, multiple partition slices adjacent to the central partition slice are acquired in a supplementary encoding direction perpendicular to the slice plane in multiple phase-encoding steps. A correction area and a standard reconstruction area of the target region are determined on the basis of a distortion criterion, obtained by evaluating the slice data that describes the distortion along the supplementary encoding direction. In the standard reconstruction area, only slice data are used, and in the correction area, slice data of partition slices outside the target slice are assigned to target slices in order to correct the distortion.

An information processing apparatus includes a first developing unit configured to develop an image, a second developing unit by which a developed image better than a developed image developed by the first developing unit is obtained, an estimation unit configured to estimate an improvement effect of a quality of the developed image obtained using the second developing unit instead of the first developing unit, and a notification unit configured to notify content based on the improvement effect estimated by the estimation unit.

There are provided an optical film having both low orientation birefringence and low photoelastic birefringence and, at the same time, having excellent transparency and heat resistance, and a polarizing plate including the optical film and a liquid crystal display device. An acrylic copolymer according to the present invention includes as constituent units 0.5 to 35% by mass of N-aromatic substituted maleimide units and 60 to 85% by mass of alkyl (meth)acrylate units having a negative intrinsic birefringence in terms of a homopolymer.

In a method and an apparatus for magnetic resonance tomography, an eddy current field is compensated by taking into account its progression over time and its dependence on a sensed value, by having a sensor determine the sensed value and, on the basis of the sensed value, a current strength for a conductor in order to generate an opposing field to reduce the eddy current field is determined, and supplied to the conductor.