Abstract: A PDP driving and power recovery method. X and Y electrode voltages of a panel capacitor are maintained to be V2 and V1 volts, respectively. The Y electrode voltage is converted into V2 to store energy in the inductor, the energy stored therein is used to convert the X electrode voltage into V1, and the voltages at the X and the Y electrodes are maintained to be V1 and V2, respectively. The voltage at the X electrode is converted into V2 to store energy in the inductor, and the energy stored therein is used to convert the voltage at the Y electrode into V1.

Abstract: The present invention provides for systems and methods for dimming a LED matrix functioning as a backlight to an avionics display. A system according to an embodiment of the present invention comprises a processor for receiving inputs of ambient lighting and temperature, as well as light generated by the LED matrix. The processor provides modulated pulse wave signals (square waves) to two control circuits for controlling the LED matrix in two modes. At low dimming levels, the processor modulates the duty cycle of a first square wave for affecting the light level and maintains a minimal duty cycle of a second square wave. Once the highest light level is obtained by increasing the duty cycle of the first square wave, the processor then modulates a second square wave by increasing its duty cycle. The duty cycle of the second square wave is modified by a circuit to produce a voltage level which is provided as an input to control light level of the LED matrix.

Abstract: An improved light-emitting display having a plurality of micro-components sandwiched between two substrates is disclosed. Each micro-component contains a gas or gas-mixture capable of ionization when a sufficiently large trigger voltage is supplied across the micro-component by up to two triggering electrodes and ionization can be maintain by a sustain voltage supplied by up to two sustain electrodes. The display is further divided into a plurality of panels that can be individually addressed in parallel, preferably directly through the back of the panels and can include voltage multiplying circuitry to decrease the power demands for addressing circuitry. Alternative methods of addressing the micro-components include the use of directed light and arrangements of electrodes to address multiple micro-components with a single electrode.

Abstract: A capacitive load circuit and a plasma display apparatus using such a circuit, being able to use a sustain transistor having a voltage rating in accordance with a sustain voltage even when a voltage larger than the sustain voltage is applied to a sustain electrode, have been disclosed, wherein a switch whose one end is connected to a capacitive load is comprised and when a third voltage, whose voltage difference from a second voltage is larger than the voltage difference between a first voltage and the second voltage, is applied to the capacitive load, a fourth voltage is selectively applied to the other end of the switch.

Abstract: The light-emitting element has a problem that reliability, heat-resisting stability and durability are low because of the deterioration in an organic compound layer. The TFT for driving the light-emitting element has a problem that variation readily occurs in its electrical characteristic due to the defects existing in grain boundaries. The present invention provides a light-emitting device by using the fact that, by applying to the light-emitting element a drive voltage having a polarity reverse to that in light emission during each constant period, the light-emitting element is improved in current-voltage characteristic. Furthermore, the present invention provides a light-emitting device made not dependent upon transistor characteristic, by controlling the amount of a current flowing through the light-emitting element.

Abstract: An electroluminescence display device has a plurality of electroluminescence elements and a driver circuit formed over a substrate. At least a part of the driver circuit is disposed in a display portion of a substrate in order that the size of the display device can be reduced.

Abstract: To provide a light emitting device having a highly definite pixel portion. An anode (102) and a bank (104) orthogonal to the anode (102) are formed on an insulator (101). A portion of the bank (104) (controlling bank 104b) is made of a metal film. By applying a voltage thereto, an electric field is formed, and a track of an EL material that is charged with an electric charge can be controlled. Thus, it becomes possible to control a film deposition position of an EL layer with precision by utilizing the above method.

Abstract: A UV laser beam is selectively irradiated on an active layer (semiconductor layer) of a second TFT in a pixel, so as to degrade crystallinity of the active layer and thereby execute electrical disconnection. According to this method, dimming out of pixels can be performed without generating undesirable influences in other components. By directing the laser beam to a portion of the active layer located beneath the gate electrode, the laser beam can be reflected by the gate electrode, allowing execution of a more efficient laser irradiation.

Abstract: An organic LED (OLED) display device and an operating method of driving the same. In an OLED image display device, one switch transistor is provided in one pixel. For at least a part of an OFF period of time of the switch transistor, the OLED is in the non-light emission state, and also the bias of the polarity reverse to that in the light emission is applied to the OLED.

Abstract: A light-emitting device having a higher aperture ratio in pixels than that of the prior art.

Abstract: Control is carried out in such a manner that a transformer 10 constituting a DC voltage converting circuit 15 stores energy while a switching element 11 provided on the primary side of the transformer 10 is set in an ON state, and the transformer 10 outputs the energy while the element 11 is turned ON when the energy is completely output from a secondary winding 10s. For this purpose, a duration from a time that a secondary current I2 of the transformer 10 reaches zero to a time that a primary current Ip of the transformer 10 is started to flow is detected, and a switching frequency is changed by control means 16 in order to shorten the duration.

Abstract: A circuitry arrangement for operating n gas discharge lamps, n being a whole number greater than 1, includes a single inverter, fed with d.c. voltage, for generating an a.c. voltage alterable in its frequency, delivered to a load circuit arranged at the inverter's output. The load circuit includes a series resonant circuit of an inductance and capacitance, n gas discharge lamps connected to a common node point between the inductance and capacitance, which lamps are connected in parallel to one another, and (n−1) balancing transformers for balancing currents in two gas discharge lamps. The load circuit further has for each gas discharge lamp at least one d.c. current supply line, connected between an output side terminal of a corresponding balancing transformer winding and gas discharge lamp and via which there is delivered to each gas discharge lamp a d.c. current, so as to avoid an unintended extinguishing of a lamp.

Abstract: To eliminate the disadvantage that the lamp current becomes large in a light source device with a discharge lamp with high radiance in a lamp with a low saturation lamp voltage, in a light source device having a discharge lamp with a pair of opposed electrodes connected to a feed device which starts the discharge lamp and which is used to supply the discharge current to the electrodes, the feed device is made to control the current feed such that the current flowing in the discharge lamp does not exceed a given current boundary value, such that, during the interval immediately after starting of the discharge lamp until sufficient heating of the discharge lamp is achieved, the current boundary value is a first boundary value, and that, after the interval expires, the current boundary value is changed to a second boundary value that is smaller than the first boundary value.

Abstract: An electronic ballast operates a gaseous discharge lamp. The electronic ballast includes a filter circuit for removing noise from an electrical power signal. The power factor of the filtered power signal is adjusted by a power factor correction circuit. The power factor correction circuit includes a programmable inductor circuit having a plurality of selectable inductance values for varying the amount of power factor adjustment to accommodate operation of different lamp types and/or different lamp wattages. A power supply circuit converts electrical power received from the filtered power signal to provide low level power for operating the electronic ballast. An output circuit receives the corrected power signal produced by the power factor correction circuit and produces an electrical signal to ignite and operate the discharge lamp.

Abstract: An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of power supplied to the inductively powered device. In another aspect, the present invention is directed to an inductive power supply system having a primary coil and a receptacle disposed within the magnetic field generated by the primary coil. One or more inductively powered devices are placed randomly within the receptacle to receive power inductively from the primary coil. The power supply circuit includes circuitry for adjusting the power supplied to the primary coil to optimize operation based on the position and cumulative characteristics of the inductively powered device(s) disposed within the receptacle.

Abstract: A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in series with the lamp and the secondary to tune the circuit to resonance. The capacitor is preferably selected to have a reactance that is substantially equal to or slightly less than the reactance of the secondary and the impedance of the lamp. In a second aspect, the lamp assembly includes a sealed transparent sleeve that entirely encloses the lamp circuit so that the transparent sleeve is fully closed and unpenetrated. The transparent sleeve is preferably the lamp sleeve itself, with the secondary, capacitor and any desired starter mechanism disposed within its interior.

Abstract: A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in series with the lamp and the secondary to tune the circuit to resonance. The capacitor is preferably selected to have a reactance that is substantially equal to or slightly less than the reactance of the secondary and the impedance of the lamp. In a second aspect, the lamp assembly includes a sealed transparent sleeve that entirely encloses the lamp circuit so that the transparent sleeve is fully closed and unpenetrated. The transparent sleeve is preferably the lamp sleeve itself, with the secondary, capacitor and any desired starter mechanism disposed within its interior.

Abstract: The invention provides an incandescent electromagnetic radiation source comprising a non-metallic emitter body that conducts electricity, and an emitting volume within the emitter body that has a thermal energy, optical absorption coefficients, and optical scattering coefficients, and that generates and externally emits electromagnetic radiation. An electric current is applied to the emitting volume such that a substantial portion of the thermal energy is generated by electrical resistive heating within the emitting volume. The optical absorption coefficients have significantly larger values within a predetermined high emissivity portion of the electromagnetic spectrum than within a predetermined low emissivity portion of the spectrum, and the optical scattering coefficients have much larger values than the optical absorption coefficients within the predetermined low emissivity portion of the spectrum.

Abstract: High-brightness LEDs, combined with a processor for control, can produce a variety of pleasing effects for display and illumination. A system disclosed herein uses high-brightness, processor-controlled LEDs in combination with diffuse materials to produce color-changing effects. The systems described herein may be usefully employed to bring autonomous color-changing ability and effects to a variety of consumer products and other household items. The system may also include sensors so that the illumination of the LEDs might change in response to environmental conditions or a user input. Additionally, the system may include an interface to a network, so that the illumination of the LEDs may be controlled via the network.

Abstract: The present invention relates generally to an electron gun for a color cathode ray tube, and more particularly to an electron gun for achieving an excellent focus characteristic on the whole screen by forming a dynamic quadruple lens in the electron gun used for a transpose scan type cathode ray tube.

Abstract: It is an object of the invention to provide a color image display device having an auxiliary means for compensating brightness simply and inexpensively, by using an electron gun of a cathode ray tube.

Abstract: A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are electrostatically confined in a deep energy well, created by tuning an externally applied magnetic field. In this configuration, ions and electrons may have adequate density and temperature so that upon collisions they are fused together by the nuclear force, thus forming fusion products that emerge in the form of an annular beam. Energy is removed from the fusion product ions as they spiral past electrodes of an inverse cyclotron converter. Advantageously, the fusion fuel plasmas that can be used with the present confinement and energy conversion system include advanced (aneutronic) fuels.

Abstract: A system and apparatus for controlled fusion in a field reversed configuration (FRC) magnetic topology and conversion of fusion product energies directly to electric power. Preferably, plasma ions are magnetically confined in the FRC while plasma electrons are electrostatically confined in a deep energy well, created by tuning an externally applied magnetic field. In this configuration, ions and electrons may have adequate density and temperature so that upon collisions they are fused together by the nuclear force, thus forming fusion products that emerge in the form of an annular beam. Energy is removed from the fusion product ions as they spiral past electrodes of an inverse cyclotron converter. Advantageously, the fusion fuel plasmas that can be used with the present confinement and energy conversion system include advanced (aneutronic) fuels.

Abstract: An opening and closing control device of opening and closing member for a vehicle Includes a motor for actuating the opening and closing member, and a control unit for driving the motor so as to become a predetermined target speed and for driving the motor in reverse direction as a detection of entrapped obstacles when the actual speed of the motor reaches to an entrapment Judgment speed which is set lower than the target speed. The control unit sets a threshold speed which is higher than the target speed and outputs an output duty to the motor for achieving the target speed by feedback control. The control unit switches the output duty after the actual speed of the motor becomes higher than the threshold speed to an output by feedforward control based on the target speed.

Abstract: A system for driving a stepper motor and adapting characteristic parameters of the stepper motor comprising a driver sub-system, responsive to control signals, for transferring power to the stepper motor. A power supply provides a driver current to the driver sub-system. A current detection device, responsive to the driver current, generates a digital feedback signal representative of the driver current. A digital processor, responsive to the digital feedback signal, generates the control signals. The digital processor is further responsive to a software algorithm to generate the control signals. These control signals provide functionality comprising detecting forces applied by the stepper motor to a load preventing a stall condition, adapting stepper motor speed and torque parameters, and limiting applied forces and driver current.

Abstract: Circuits and methods for use with an integrated circuit chip having internal back EMF estimation to control a permanent magnet synchronous motor includes an AC current feedback circuit, a scaling circuit, and a current regulator. Additionally, a speed regulator may be employed. In one embodiment, during operation at very low speed, the speed regulator is in an open loop control mode due to a back EMF detection limitation of the IC chip, and only the current regulator is active. A feedback current signal, together with a user-defined command current signal, serves the input of the current regulator, which controls the AC motor current and drives the motor speed from standstill. Once the motor speed reaches a certain level, the measured back EMF from the IC chip is sufficient to estimate the motor speed, which is compared with a user-defined command speed, and an error of the these two signals provides the input of a speed regulator.

Abstract: The present invention provides an energy storage system comprising at least one voltage source, and a string of series connected cells, wherein each of the cells is connected to a circuit, wherein the circuit comprises at least one voltage reference, at least one voltage divider, which sets a trip point, and at least one operational amplifier, wherein at least one operational amplifier receives a first input from voltage reference and a second input from voltage divider and shunts an output through a power dissipative device when voltage of a cell exceeds said trip point.

Abstract: The present invention relates to a device and a method for the detection of a charging voltage of at least one rechargeable battery comprising a voltage converter for converting the charging voltage of the at least one rechargeable battery into a voltage signal, an analog/digital converter for converting the voltage signal of the voltage converter into a digital signal, and an evaluation and control device for evaluating the digital signal of the analog/digital converter as well as for controlling the charging process of the at least one rechargeable battery on the basis of the evaluation of the digital signal of the analog/digital converter. The voltage converter comprises an amplifier circuit with a variable gain controlled by at least one control output terminal of the evaluation and control device such that the gain applied for the generation of the voltage signal is adjusted to the input voltage range of the analog/digital converter according to a transfer function.

Abstract: The present invention provides a high current pulse generator for DC powered devices. The generator includes batteries as the power source that charges supercapacitors as well as provides power to the loads as required. During charging, the supercapacitors are connected in parallel, but they are switched to series connection by relays at the moment that the loads demand large currents. No other controlling means except for relays in the circuit is employed, so that the electric arrangement is simple, reliable, and cost-effective. As the batteries are designed to deliver currents at low discharge rates, the effective use-time of batteries is prolonged. Furthermore, due to the high power densities of supercapacitors, the readily available alkaline batteries can be utilized in the power unit for electric power tools.

Abstract: Using the combination of batteries and supercapacitors to provide impulse, various all-in-one power tools driven by the impulse are devised. The impulse may be utilized in three ways, namely, to launch an object, to create an impact force, and to form a peak current that can be greater than 100A. While the supercapacitors greatly enhance the power output of the power module, the supercapacitors are disposed in-parallel for charging and switched to series connection for discharging on depressing the triggers of the tools. Therefore, the batteries required to drive the portable power tools can be minimized & reduced, and the circuitry for conducting the parallel-to-series switch is simple and economical. Using interchangeable attachments or accessories, and power module of the invention, one tool body can be applied to many types of work and maintenance at homes and in the fields.

Abstract: A system and a method are provided for bi-directional power conversion in a portable device. The system uses a single inductor to perform both buck and boost power conversion operations and a controller to supply signals to two switches, enabling electric current paths. The system includes a battery connected to ground and to an inductor terminal. The first switch has a terminal connected to a portable device power bus, a second terminal connected to a second inductor terminal, and an input to accept a control signal. The second switch has a terminal connected to the second inductor terminal, a second terminal connected to a portable device ground, and an input to accept a control signal. Controller inputs accept the bus voltage and the battery voltage and outputs supply power conversion control signals to the switches in response to evaluating the bus and battery voltages.

Abstract: A PWM circuit is provided that is capable of PWM control with duties in a range of 0-100%, and that is also capable of high-speed responses.

Abstract: This invention describes a new Power Supply System that is able to supply a Wireless Communication Device that draws periodic, high current burst-type pulse from a stable bus-powered system like Universal Serial Bus (USB).

Abstract: A multiple-phase power converter comprises a first inductor and a second inductor having respective input terminals and respective output terminals. The output terminals are connected together to provide a common output terminal of the multiple-phase power converter. At least a first switch circuit is connected to the input terminal of the first inductor and a second switch circuit is connected to the input terminal of the second inductor. At least one voltage source is coupled to the first and second switch circuits. A controller is adapted to control operations of the first and second switch circuits to alternately connect the input terminals of the respective inductors to the respective voltage source and ground. The controller includes an error amplifier providing a signal corresponding to a difference between respective voltage waveforms across the first and second inductors. The error amplifier includes a feedback loop providing filtering of at least one of the voltage waveforms.

Abstract: A low drop-out regulator is configured to provide high output current with a fast response during transient conditions, while also maintaining low quiescent current under DC conditions. An exemplary low drop-out regulator comprises an error amplifier, a current feedback amplifier, and a pass device. The low drop-out regulator includes a composite amplifier feedback configuration, with the current feedback amplifier being decoupled from the overall composite feedback configuration and configured to provide effective compensation. As a result, the current feedback amplifier can be configured to operate with low current supplied from the error amplifier and to drive the control terminal of the pass device with sufficiently high current as demanded by a load device. In addition, the current feedback amplifier can be configured to permit the voltage at the control terminal of the pass device to operate from rail-to-rail.

Abstract: A regulated output voltage and an output current are generated by using a switching device for providing the output current and controlling the switching device with the first control circuit functioning in a pulse width modulation mode and in an alternative manner with a second control circuit functioning in a pulse frequency modulation mode. A second feedback circuit is included in the second control circuit and a time delay is introduced in the second feedback circuit in order to introduce a limitation of the pulse frequency.

Abstract: A circuit includes two internal current sources or sinks coupled together by a coupling element, which may be a direct junction as a summing element or a current mirror as a subtracting element. In an associated method, the currents of the two internal current sinks or sources are summed or subtracted by the coupling element to form an output current. The magnitudes and/or temperature coefficients of the two internal currents differ from one another. The temperature coefficient of the output current is determined by the addition or subtraction of the internal currents, and can be selected as desired, simply and economically, by appropriately selecting the temperature coefficients of the internal currents and the adding or subtracting carried out by the coupling element. The output current can even have a negative temperature coefficient, based on economical internal components having only positive temperature coefficients.

Abstract: In an internal power supply voltage control apparatus, reference voltage generating circuit generates a reference voltage. A first internal power supply reference voltage generating circuit generates a first internal power supply reference voltage in accordance with the reference voltage, and a second internal power supply reference voltage generating circuit generates a second internal power supply reference voltage in accordance with a voltage applied to a predetermined pad. A test mode selecting circuit activates one of the first and second internal power supply reference voltage generating circuits in accordance with a control signal. An internal power supply voltage generating circuit generates an internal power supply voltage in accordance with one of the first and second internal power supply reference voltages generated from an activated one of the first and second internal power supply reference voltage generating circuits.

Abstract: An apparatus for current mirroring is provided. In one embodiment, the apparatus includes an input node into which an input current can flow. A transistor, through which an output current can flow, servos the input current. The transistor has an emitter, a base, and a collector. A resistor is coupled to the emitter of the first transistor. The output current can flow through the resistor. A feedback circuit has a control terminal coupled to the emitter of the first transistor and the resistor. A voltage across the resistor acts as a control voltage for the feedback circuit. The feedback circuit provides a correction current to the input node, thereby reducing the error between the output current and the input current.

Abstract: A calibration and adjustment system for post-fabrication control of a delay locked loop charge pump current is provided. The calibration and adjustment system includes an adjustment device that varies an amount of charge pump current. Such control of the charge pump current in a delay locked loop allows a designer to achieve a desired delay locked loop operating characteristic after the delay locked loop has been fabricated. A representative value of the amount of adjustment desired in the charge pump current may be stored and subsequently read to adjust the delay locked loop.

Abstract: A method for detecting steady-state convergence of a signal compares a filtered version of the signal or its derivative to a threshold over a given time interval, and a measure of the signal variability is used to tune the filter behavior. In one implementation, the signal is filtered with a high-pass filter, and the cut-off frequency of the filter is adjusted inversely with respect to the measured variability of the signal. In another implementation, the signal derivative is filtered with a low-pass filter, and the cut-off frequency of the filter is adjusted in proportion to the measured variability of the signal. In each case, the variability of the signal is measured by computing a differential of the signal and then smoothing the differential.

Abstract: A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a metallic target object being monitored. The system further including a cable-length calibration method, an automatic material identification and calibration method, a material insensitive method, an inductive ratio method and advanced sensing characteristics.

Abstract: A digital eddy current proximity system including a digital impedance measuring device for digitally measuring the proximity probes impedance correlative to displacement motion and position of a metallic target object being monitored. The system further including a cable-length calibration method, an automatic material identification and calibration method, a material insensitive method, an inductive ratio method and advanced sensing characteristics.

Abstract: A steering output part is fixed with a worm wheel for power assist. By a spur gear formed on the worm wheel, an input gear of a detecting unit is rotated with a speed increase. Within the detecting unit, provided is a speed-reducing mechanism for speed-reducing the rotation of the detecting shaft. By this speed reduction, a detection rotating member provided in a case rotates at an angle of 1:1 to the rotation of the steering output part, a rotation angle of which is detected by a detecting element.

Abstract: The magnetic field intensity distribution of a magnetic material sample, such as a magnetoresistive device, is measured with a probe having a tip portion of a magnetic material to which current is made to flow from a power source to the magnetic material. The probe is scanned relative to the surface of the magnetic material sample in two modes. In a first mode, the probe is scanned by being oscillated in a vertical direction to tap a surface of the sample to be tested. In a second mode, the probe is scanned while being held in contact with the measured surface. Corresponding first and second output signals from the two modes of scanning are processed to calculate the magnetic field intensity distribution of the sample magnetic material.

Abstract: A method for determining an earth formation property from nuclear magnetic resonance measurements includes applying suppression functions to spin echoes in at least one burst measurement set to produce a modified burst data set, the suppression functions to suppress contribution of spin echoes having non-negligible polarization correction; inverting the modified burst data set and at least one standard spin echo measurement set to produce a nuclear magnetic resonance parameter distribution, the at least one standard spin echo measurement set and the at least one burst measurement set being acquired on an earth formation sample; and computing the earth formation property from the nuclear magnetic resonance parameter distribution. The nuclear magnetic resonance parameter includes at least one selected from longitudinal relaxation time, transverse relaxation time, a ratio of longitudinal relaxation time to transverse relaxation time, and diffusion constant.

Abstract: Novel pulse sequences are used to probe the properties of porous media, such as are found in subterranean formations and core samples. This use allows diffusion effects to be uncoupled from the overall T2 relaxation time of the sample. Properties such as internal field gradient and distribution of diffusion coefficients may be determined. A series of pulse sequences are applied to the media to be evaluated. The series of pulse sequences include first and second windows. The first windows include pulse sequences have varying characteristics, such as increasing echo spacing, while the second windows preferably utilize similar pulse sequences which have very small echo spacing. Apparent internal field gradient distribution and apparent diffusion coefficient may be determined as a function of T2 relaxation time.

Abstract: A system and method for adaptive averaging of velocity spectra using variable density trajectories, comprising: acquiring at least one series of velocity spectra using interleaved variable density trajectories and sampling low kv data more often or more densely than high kv data, the series of velocity spectra further comprising at least one spectrum; identifying a series of velocity spectra that comprises at least one velocity spectrum as a template, aligning at least one of the acquired series of velocity spectra with the template using low kv data; and averaging the aligned spectra, the averaging further comprising averaging the low kv data of the aligned spectra, and combining the averaged low kv data with the high kv data of the aligned spectra, wherein the combination produces enhanced spectra.

Abstract: An imaging method (150, 190) for imaging a subject (16) including fibrous or anisotropic structures (102) includes acquiring a three-dimensional apparent diffusion tensor map (162) of a region with some anisotropic structures (102). The apparent diffusion tensor at a voxel is processed (164) to obtain eigenvectors (e1, e2, e3) and eigenvalues (&lgr;1, &lgr;2, &lgr;3). A three-dimensional fiber representation (208) is extracted (198, 200) using the eigenvectors and eigenvalues. During the extracting (198, 200), voxels are locally interpolated (202) in at least a selected dimension in a vicinity of the fiber representation (208). The interpolating includes weighting the voxels by a parameter indicative of a local anisotropy. The interpolating results in a three-dimensional fiber representation (208) having a higher tracking accuracy and representation resolution than the acquired tensor map (162).

Abstract: An imaging sequence, which generates a static image data set and a plurality of differently diffusion-weighted data sets, is repeated and the data sets stored in memories (360, 361, . . . , 36N). Each data set is reconstructed into corresponding images stored in sub memories (380, 381, . . . , 38N). The images are compared macroscopically (40) and shifted (42) into optimal alignment. Local regions of the images are analyzed (44) and adjusted (46) for better conformity. The static images and like spatially encoded images are compared with each other and those outside a preselected similarity threshold are rejected (48). The remaining like images are combined (50) and subject to a diffusion analysis (52) to generate an image of an anisotropic structure in the imaging region. The anisotropic structure and other image information are displayed on a monitor (58).