104results about How to "Correct difference" patented technology

An apparatus and method of enhancing color of image is provided. The apparatus for enhancing color of image including: a saturation enhancement unit to enhance a saturation of an input image using a saturation variation according to a brightness feature of the input image; a gray scale area protection unit to determine a final saturation variation depending on a saturation value of the input image and the saturation variation, and to prevent a saturation enhancement of a gray scale area; a color control unit to control a color of the input image using a color variation according to the brightness feature of the input image; and a brightness value correction unit to correct a difference between a resultant brightness value and an input brightness value of the input image, the resultant brightness value being generated by applying the final saturation variation and the color variation to the input image.

A method of counting an actual usage time of each CPU in a computer system using a plurality of computers for distributed processing of jobs comprising first counting a CPU usage time used for each job, then counting a processing wait time in memory access of each CPU whenever executing each job, subtracting the processing wait time of each CPU from the CPU usage time for every job, and setting the thus calculated corrected CPU usage time as the actual CPU usage time. A job control system has a means for realizing this method and uses the CPU usage time and the corrected CPU usage time obtained by this means to control the jobs and charge the users.

Marching band string instruments and wearable string instruments are described that include a stiff waist band to prevent excessive side to side movement during use, while providing easy doff and don of the string instrument. String instruments also are provided with adjustable chest braces to allow accommodation for different player sizes and for minimization of back strain when playing the electric string instrument for extended time periods. Electric string instruments optionally have soft material interposed between bridge feet and a string instrument body, to allow a more resonant sound detection from a pickup located between the bridge feet and the body. Other advances include generation of a stereo signal from bridge vibrations, and electronic processing of sound that enhances the electric string instrument playing and learning experience.

An environmental map correction device that acquires an environmental map that matches an actual ambient environment includes a conversion unit arranged to convert object existence probability information of respective grids configuring a global map into image information (shading information of a black and white image, a display unit arranged to display a global map image based on the converted image information, an operation input unit arranged to receive a correcting operation from a user, a correction unit arranged to correct the global map image displayed by the display unit according to the correcting operation by the user, and an inversion unit arranged to acquire a corrected global map by inverting the corrected global map image (shading information) into the object existence probability information.

The invention discloses a passive equalization method for a lithium iron phosphate battery pack, comprising: determining a voltage range in which a State of Charge can be accurately queried for a cell in the battery pack, and determining a corresponding relation between a voltage at which a State of Charge can be accurately queried and the State of Charge; collecting an open circuit voltage of each cell in a quiescent state; judging whether the open circuit voltage is within the voltage range in which a State of Charge can be accurately queried; if the open circuit voltage is within the voltage range in which a State of Charge can be accurately queried, acquiring the State of Charge of the cell corresponding to the open circuit voltage according to the open circuit voltage and the corresponding relation between a voltage at which a State of Charge can be accurately queried and the State of Charge, and determining equalizing capacity of each cell according to the State of Charge of each cell; calculating equalizing discharge current of each cell according to a passive equalization principle, and calculating equalizing discharge time of each cell according to the equalizing capacity and the equalizing discharge current of each cell; and subjecting the battery pack to passive equalization based on the equalizing discharge time of each cell.

A method and apparatus are provided for sub-pixel motion estimation which performs sub-pixel motion estimation in which the precision of a difference between a pixel value of a block to be searched and a pixel value of a block of a search area, i.e., the number of bits of the difference, is reduced. The method for sub-pixel motion estimation in inter-prediction includes (a) determining one integer pixel corresponding to an estimated block by performing integer-pixel motion estimation, (b) receiving a value of a sub-pixel that is adjacent to the determined integer pixel and a value of an integer pixel of a block to be searched, (c) reducing a difference between the value of the sub-pixel and the value of the integer pixel and reducing a bit precision of the difference, and (d) calculating a similarity using the difference whose bit precision is reduced.

There is provided a sound processing apparatus including an input correction unit that corrects a difference between characteristics of a first input sound input from a first input apparatus and characteristics of a second input sound input from a second input apparatus, a sound separation unit that separates the first input sound corrected by the input correction unit and the second input sound into a plurality of sounds, a sound type estimation unit that estimates sound types of the plurality of sounds separated by the sound separation unit, a mixing ratio calculation unit that calculates a mixing ratio of each sound in accordance with the sound type estimated by the sound type estimation unit, and a sound mixing unit that mixes the plurality of sounds separated by the sound separation unit in the mixing ratio calculated by the mixing ratio calculation unit.

An integrated circuit device includes: a plurality of data line driving circuits that drive a plurality of data voltage supply lines; and a correction data calculation section that calculates correction data for correcting differences in data voltages outputted from the plurality of data line driving circuits, wherein the correction data calculation section executes, in one horizontal scanning period in a non-display period in a vertical scanning period, a first mode to obtain the correction data corresponding to a data line driving circuit to be corrected among the plurality of data line driving circuits.

There is provided by this invention an apparatus and method for controlling a dc magnetron plasma processing system that automatically adjusts the control signal to the power supply based upon the dynamic impedance of the load to control the output power to the plasma. The output voltage and the output current of the power supply that supplies power to the plasma is sampled over at a sampling frequency at least four to five times higher than the switching frequency and the dynamic impedance of the plasma is calculated based upon the sampled voltage and current from the algorithm $R_{\mathrm{plasma}}=\frac{\Delta V_n}{\Delta I_n}$

wherein ΔV_n and ΔI_n is the maximum difference among samples on one switching cycle. If the dynamic impedance seen is negative in nature then the control signal is compensated accordingly.

A solid-state image pickup apparatus includes an image sensor having its photosensitive array divided into sections. Image signals are respectively output from the divided sections via corresponding output amplifiers as image signals representative of a field picked up and then processed by corresponding preamplifiers. Valid pixel data representative of the field picked up and correction information data representative of stepwise quantities of light are respectively produced from a valid and a correction pixel region, which constitute the photosensitive array, in each of the divided sections. The valid image pixel data are corrected by the correction information data. The valid image data thus corrected in plural are combined to constitute a single image signal.

Provided is a defect review technique that can accurately correct coordinate differences with respect to unusual defects in which it is difficult to accurately correct coordinate misalignments by conventional automatic fine alignment. If it is impossible to correct a coordinate misalignment on the basis of a first optical microscope image acquired by a first light source, a defect review apparatus according to the present invention acquires a second optical microscope image using a second light source, and determines whether it is possible to correct the coordinate misalignment on the basis of the second optical microscope image.

For compensation of a magnetic field in an operating region a number of magnetic field sensors (S1, S2) and an arrangement of compensation coils (Hh) surrounding said operating region is used. The magnetic field is measured by at least two sensors (S1, S2) located at different positions outside the operating region, preferably at opposing positions with respect to a symmetry axis of the operating region, generating respective sensor signals (s1, s2), the sensor signals of said sensors are superposed to a feedback signal (ms, fs), which is converted by a controlling means to a driving signal (d1), and the driving signal is used to steer at least one compensation coil (Hh). To further enhance the compensation, the driving signal is also used to derive an additional input signal (cs) for the superposing step to generate the feedback signal (fs).

A liquid crystal display device includes a first voltage source providing a first voltage; a second voltage source providing a second voltage greater than the first voltage; and a switching unit arranged at a connection between a gate terminal of a first TFT and a scan line. The switching unit has a control terminal electrically connected to the scan line, an input terminal electrically connected to the first voltage source, and an output terminal electrically connected to the second voltage source and a common electrode of a storage capacitor of a pixel unit. When the switching unit receives a scan signal, the first voltage source supplies the first voltage to the common electrode of the storage capacitor of the pixel unit. When no scan signal is received, the second voltage source supplies the second voltage to the common electrode of the storage capacitor of the pixel unit.

An image-luminance transformation section receives a video signal on a frame basis, and transforms the video signal into a luminance signal in each frame. A crosstalk ratio setting section sets a crosstalk ratio. An amount-of-correction calculation section calculates a correction luminance signal, for correcting a video signal of a frame n, using a luminance signal of a frame n−1, a luminance signal of the frame n, and the crosstalk ratio. A luminance-image transformation section transforms the correction luminance signal into a correction video signal. A correction section adds the correction video signal to the video signal of the frame n to generate a video signal of the frame n in which the amounts of crosstalk have been corrected.

A front-end signal processing circuit that stabilizes a black level of an output signal of an image sensor in a prescribed set level, without being influenced by a DC offset component of circuit elements making up a feedback loop, and an imaging device including such the front-end signal processing circuit, are provided. The front-end signal processing circuit includes a feedback loop made up of a luminance detecting/digitizing section and a black level clamp section, and clamps a black level of an output signal of an image sensor to a prescribed set level. The front-end signal processing circuit further includes an offset correction section. The offset correction section stores an offset value being a difference between a signal level of an OB region of the image sensor and the prescribed level, subtracts the offset value from a digital luminance signal corresponding to an effective pixel region of the image sensor, and outputs the obtained signal.

An air-fuel ratio imbalance among cylinders determining apparatus (a determining apparatus) according to an aspect of the present invention, obtains a parameter X for imbalance determination which becomes larger as a variation of an air-fuel ratio of an exhaust gas passing through a position at which the air-fuel ratio sensor is disposed becomes larger, based on an output value Vabyfs of an air-fuel ratio sensor 67. At the same time, the determining apparatus changes a target air-fuel ratio which is a target value of an air-fuel ratio of a mixture supplied to an engine to “an air-fuel ratio (a target rich air-fuel ratio AFrich or a target lean air-fuel ratio AFlean) other than a stoichiometric air-fuel ratio” from the stoichiometric air-fuel ratio. Accordingly, the determining apparatus can obtain the parameter X for imbalance determination in a state in which a responsivity of the air-fuel ratio sensor 67 is not low. As a result, it can make a determination on the air-fuel ratio imbalance among cylinders with high accuracy.

A sound field control device has an input part through which an audio signal is input. A storage part stores a first factor obtained by calculating a proportion of energy of direct sound in total energy of sound collected in an adjustment environment within a predetermined time. A sound field generation part generates a sound field effect sound from the audio signal input through the input part, and outputs the sound field effect sound at a volume corresponding to the first factor. A calculation part calculates a second factor which represents a ratio of an energy of a direct sound to an energy of sound which is collected in a reproduction environment and which contains the direct sound. A correction part corrects the volume of the sound field effect sound based on a ratio between the first factor and the second factor.

An image forming apparatus includes: a developing device having a developing vessel, a developing roller and a toner supply port; a toner supply device; a toner supply detecting sensor for detecting the toner concentration inside the developing vessel; a toner concentration controller for directing toner supply; a toner empty detector; and a sheet conveyance detecting sensor. The toner concentration controller has a toner supply device control function; and a toner supply stopping function of stopping toner supply when the last sheet of image printout being executed has passed by the predetermined position in the sheet conveyance path.

Base stations concerned with soft hand-over respecting a mobile terminal notify sums of control values to a wireless network controller at intervals of the predetermined number of frames. In each base station, the control values are obtained by decoding common transmission power control signals transmitted by the mobile terminal at intervals of time slot shorter than the frame. The mobile terminal notifies ratios of signal power to noise power regarding common pilot signals transmitted by the base stations. The wireless network controller selects one of the base stations as a reference station according to the ratios of signal power to noise power. The wireless network controller instructs the base stations to match transmission power of the base station(s) other than the reference station to that of the reference station.