107results about How to "Reduce spatial resolution" patented technology

A method and apparatus for capturing image data from multiple image sensors and generating an output image sequence are disclosed. The multiple image sensors capture data with one or more different characteristics, such as: staggered exposure periods, different length exposure periods, different frame rates, different spatial resolution, different lens systems, and different focal lengths. The data from multiple image sensors is processed and interleaved to generate an improved output motion sequence relative to an output motion sequence generated from an a single equivalent image sensor.

A method and apparatus for inspecting the surface of articles, such as chips and wafers, for defects, includes a first phase of optically examining the complete surface of the article inspected at a relatively high speed and with a relatively low spatial resolution, and a second phase of optically examining with a relatively high spatial resolution only the suspected locations for the presence or absence of a defect therein.

The present invention provides an apparatus for evaluating biological function that, in differentiating as far as possible information from the capillaries, which reflects tissue metabolism, from information from outside the tissue (for example, the arteries and veins), has high speed and accuracy enabling it to compensate for the low spatial resolution of conventional near infrared spectroscopy methods, and that furthermore does not merely monitor changes in oxygen concentration and the like, but makes it possible to easily and conveniently distinguish between capillary reactions, metabolic reactions and the like; its configuration is characterized in that it provides a light irradiation means for irradiating light to a specified site of a living body, a light detection means for detecting light exiting from the living body, a calculation means for determining the respective changes in concentration of oxygenated hemoglobin and deoxygenated hemoglobin by performing calculations in near infrared spectroscopy with the intensity of the detected light as a parameter, and a display means for displaying information concerning the relative ratio “k” between both these data over time.

The present invention relates to a method for the histologic classification of a tissue section. The method includes acquiring a mass spectrometric image and a light-optical image of the same tissue section (the optical image having a higher spatial resolution than the mass spectrometric image) and combining optical information on the structures of a subarea of the tissue section with mass spectrometric information on the subarea (the structures not being spatially resolved in the mass spectrometric image).

A method and apparatus for inspecting the surface of articles, such as chips and wafers, for defects, includes a first phase of optically examining the complete surface of the article inspected at a relatively high speed and with a relatively low spatial resolution, and a second phase of optically examining with a relatively high spatial resolution only the suspected locations for the presence or absence of a defect therein.

The present invention relates to an imaging apparatus for IR four-wave mixing polarization microscopy. The imaging apparatus comprises a pump beam source for generating an infrared pump beam; a probe beam source for generating a probe beam (search beam); a polarizer for linearly polarizing the pump beam and probe beam; a beam combiner which synchronizes temporally and overlaps spatially the polarized pump beam and probe beam on the same axis; a scanner for two-dimensionally scanning the combined pump beam and probe beam; an optical focusing system for focusing the scanned pump beam and probe beam on a local point of the sample; a collecting optical system for collecting the beam which is formed by that the focused beams are interacted with the sample and of which phase is anisotropically retarded by nonlinear birefringence of the sample and forming a parallel beam; a dichroic beam splitter for removing the infrared pump beam out of the parallel beam and splitting the probe beam of which phase is anisotropically retarded; a polarizing beam splitter for converting the split and ansotripically phase-retarded probe beam into linerly polarized beams having their axes perpendicular to each other; a photodetector for detecting an intensity of each of the converted linerly polarized beams; a polarization differential detector for detecting a polarization difference based on the detected intensities of the linerly polarized beams; and a data analyzer for acquiring the detected polarization difference signal and extracting a spectrospcopic information corresponding to the strength of molecular vibrational coherence of the sample.

A touch-sensitive apparatus is configured to define a touch surface on a panel by propagating diverging energy beams (e.g. of radiation) across the touch surface inside the panel. Two rows (20A, 20B) of components (2, 3) of a first type that emits energy as a diverging beam and a second type that detects energy are functionally connected to the panel at opposite ends of the touch surface. The rows (20A, 20B) are defined by consecutive component blocks (B) that each contain only components (2, 3) of one type and are defined by type and number of included components. Each row (20A, 20B) comprises a respective sequence (S) of two component blocks (B) of different types and is defined by systematically repeating the sequence (S) along the respective opposite end. To achieve an improved spatial resolution of the touch-sensitive apparatus for a given number of components, at least one of the sequences (S) is selected to consist of two component blocks (B) with different number of components, and the sequences (S) are selected such that at least one component block (B) differs between the sequences (S).

The present invention provides an apparatus for evaluating biological function that, in differentiating as far as possible information from the capillaries, which reflects tissue metabolism, from information from outside the tissue (for example, the arteries and veins), has high speed and accuracy enabling it to compensate for the low spatial resolution of conventional near infrared spectroscopy methods, and that furthermore does not merely monitor changes in oxygen concentration and the like, but makes it possible to easily and conveniently distinguish between capillary reactions, metabolic reactions and the like; its configuration is characterized in that it provides a light irradiation means for irradiating light to a specified site of a living body, a light detection means for detecting light exiting from the living body, a calculation means for determining the respective changes in concentration of oxygenated hemoglobin and deoxygenated hemoglobin by performing calculations in near infrared spectroscopy with the intensity of the detected light as a parameter, and a display means for displaying information concerning the relative ratio “k” between both these data over time.

An apparatus for sound enhancement has at least two microphones (9) that provide a directional microphone array which is arranged to be pointed in the direction of a sound source. The directional microphone array thereby receives sound emitted by the sound source and generates sound signals. A processor (20) processors the sound signals generated by the microphone array to enhance the sound received by the directional microphone array from the sound source relative to other sound received by the directional microphone array. The processor (20) generates a corresponding enhanced signal (ES). Loud speakers (22) reproduce the enhanced signal as audible sound. Furthermore, sound suppression devices (7, 7a) are provided to suppress ambient should from reaching the eardrums of the user. This sound suppression acts in conjunction with the directional microphone array and the processor (20) which enhance the SOI to provide a listening environment in which the SOI is enhanced.

The invention discloses a distribution-type fiber vibration sensor system based on phase detection and optical time domain reflection, comprising a sensing optical cable, a far end optical module connected with the sensing optical cable and capable of forming interference optical signals, a laser module used for providing laser signals to the far end optical module, a photoelectric conversion unit used for converting the formed interference optical signals into electric signals, a collector used for collecting the electric signals, a control unit used for controlling the laser module and providing time to the collecting unit simultaneously, and a data processor used for processing the collected electric signals and the recorded colleting time so as to determine the phase of the corresponding interference optical signals, thus determining the vibration of the sensing optical cable and the vibration position. The distribution-type fiber vibration sensor system has the beneficial effects of greatly improving the sensitiveness and location capability of the vibration sensor system and capable of detecting and positioning the extremely weak external vibration signals.

A device and a method for the screening of in-vivo tumors in a target tissue are provided. The device and method provide a local measure of a risk of tumor presence in the target tissue with high specificity. The local measure may be based upon a non-linear combination of local hemoglobin and tissue oxygen saturation and other tissue characteristics.

The invention discloses a video live broadcast method for wearable devices, comprising processing at a sender and processing at a receiver. The sender decreases the spatial resolution of a high-definition video signal four times and then executes standard video encoding so as to greatly reduce the pressure put on a wireless network by the encoding data, and the receiver restores the proper resolution through super-resolution reconstruction. Time-domain motion matching needed for super-resolution reconstruction is speeded up with the help of inherent motion vector information of a video encoder. Moreover, a reconstruction residual error compensation link is introduced into a video codec loop to eliminate distortion between a super-resolution high-definition image and a real high-definition image. The mobile video live broadcast efficiency of wearable devices is improved greatly under the premise of no additional damage to the quality of high-definition videos.

A pixel readout circuit for use with an imaging pixel array, said pixel readout circuit comprising: an input channel for receiving an image signal corresponding to electrical output of a photosensitive element of the pixel; and an electronic circuit interconnected between said input channel and an output readout utility. The electronic circuit comprises a capacitive unit, and a single analyzer. The capacitive unit is controllably linked to said input channel for accumulating a charge corresponding to received intensity generated by said pixel during a single frame period, and is connected to said output readout utility for transmitting image data thereto. The signal analyzer unit is controllably linked to said input channel for receiving and analyzing at least a part of said image signal, and is connected to said output readout utility, and is configured and operable for analyzing said at least a part of said image signal by determining an amount of accumulated charge corresponding to said received intensity, and upon detecting that said amount of the accumulated charge satisfies a predetermined condition generating data indicative of a detected event and transmitting said data to said output readout utility.

The present invention provides for a method of rendering an image on a reflective display wherein each pixel is capable of rendering a limited number of colors, each of which is rendered by predetermined set of waveforms stored in a waveform lookup table. Furthermore, the present invention provides for a method for rendering an image using such colors, having been chosen for optimal color rendition. This invention further provides for rendering a color image formed from a plurality of pixels on a reflective display wherein each pixel has a color selected from the group consisting of at least: red, green, blue, cyan, magenta, yellow, black and white.

The invention discloses a measuring device and method for carbon and oxygen isotopes of carbonate rocks. The device comprises an ultraviolet laser ablation device and a carbon and oxygen isotope measurer. The ultraviolet laser ablation device comprises an ultraviolet laser and a carbonate sample cell. The ultraviolet laser is arranged above the carbonate sample cell. The carbonate sample cell is provided with a helium inlet and a helium outlet. A helium outlet pipe is provided with a spherical grinding connector, and a quartz filtering film is arranged in the middle of the spherical grinding connector. The oxygen isotope measurer comprises an automatic sample injector, a water removing trap A, an eight-way valve, a chromatographic column, a water removing trap B, an opening shunt and a mass spectrometer, all of which are connected in sequence. The method comprises the steps that a carbonate sample ablated through the ultraviolet laser device is conveyed to the carbon and oxygen isotope measurer, and the carbon and oxygen isotopes are measured through the phosphoric acid hydrolysis method. The problem that in an infrared laser probe carbonate microcell normal-position carbon and oxygen isotope analyzing method, the isotope fractionation cannot be accurately corrected is solved, and the precision and accuracy of an analysis result are greatly improved.

An apparatus and method is provided for determining the minority carrier diffusion length from the back side of the wafer within predetermined areas using pattern recognition system. In particular embodiments SPV probe includes transparent and non-transparent electrodes, to provide measurement of SPV and in area larger than optical beam and to provide accurate determination of diffusion length with spatial resolution <1 mm. The apparatus includes the ability to measure diffusion length from the areas under special areas within scribe line of patterned wafer. This apparatus and method provides a determination of the diffusion length to control metal contamination in product including patterned wafers including measurement within scribe lines and full wafer mapping.

The invention discloses a cesium atom magnetometer comprising a laser, a first polarization beam splitter, a laser frequency stabilization module, a reflecting mirror, a beam expander, a half wave plate, a second polarization beam splitter, a quarter wave plate, a cesium atom bubble, a radio frequency field coil, a magnetic shielding barrel, a lens, a photoelectric detector and a phase-locked module. By applying the self-made 894nm external cavity semiconductor laser, a laser frequency stabilization device and a low-noise magnetic field measurement environment are established, and the double-resonant cesium atom magnetometer based on combination of optical pumping and radio frequency magnetic resonance phases is realized. Through parameter optimization of the magnetometer and closed-loop measurement, the external magnetic field measured by the magnetometer achieves the ultimate sensitivity of 19fT / Hz<1 / 2> and the intrinsic sensitivity of 8.6pT / Hz<1 / 2>, the spatial resolution rate is less than 2cm, and the cesium atom magnetometer is a precision measurement powerful tool for studying of high excited level of atoms and molecules, and has important application value in the aspects ofbiomedicine, geophysics, quantum frequency markers, military detection and the like.

The invention relates to a Markov random field model and non-local prior based image registration method which comprises the following steps of: (1) respectively reading in a target image and a floating image which are to be registered; (2) calculating the quadratic sum of differences of the target image and the floating image which are to be registered, and using the mean square distance of the two images as a similarity measure; (3) calculating non-local prior information of a displacement field as a regular term to carrying out smooth constraint on the displacement field; (4) adding the similarity measure and the non-local prior information to establish a Markov random field model, and converting registration into a question for solving for the minimum of an energy function of the Markov random field; (5) solving for the minimum of the energy function by adopting a sequence weighted tree information transfer algorithm; and (6) searching the minimum of the target function which is the energy function of the Markov random field, and when the energy function of the Markov random field is the minimum, finishing registering. The method has the advantages of high registration precision and strong robustness under the conditions of lower image space resolution, noise influences, and the like.

The invention discloses a single-ended chaotic Brillouin dynamic strain measuring device and method based on Rayleigh scattering, aiming at meeting the current requirements of long-distance, high-resolution, large dynamic range and real-time and rapid application of distributed sensing and simultaneously solving the problem that a system cannot work when a breakpoint occurs because a pump light and a detection light need double-end incidence in a Brillouin optical coherence domain analysis system. A continuous light output by a light source is divided into two paths through a coupler, one pathis used as the pump light, the other path is subjected to double-sideband modulation through a high-speed electro-optic modulator, a backward Rayleigh scattering light is used as the detection lightand generates stimulated Brillouin scattering with the pump light, and a corresponding dynamic strain value is demodulated through a corresponding relation between intensity information acquired by ahigh-speed data acquisition system and strain. The single-ended chaotic Brillouin dynamic strain measuring device is simple in structure and low in cost, can effectively reduce signal power fluctuation, and realizes dynamic strain measurement with single end, high spatial resolution, long distance and good stability.

An integral star sensor based on biological compound eye structure and the application thereof; the star sensor is set as multi field coverage star sensor based on biological compound eye structure, and forms each independent small eye by the electro-optical imaging system in the small field coverage and forms the large field coverage star sensor by a plurality of small eyes; the optical channel between the optical lens and image sensor CCD / APS in the electro-optical imaging system is round hole; in the large field coverage star sensor, the small eyes are located at the semicolumn surface or hemisphere surface, and the optic axis of the small eye is orthometric with axis of the column; the fields coverage of the adjacent small eyes are not overlapped. The invention uses a plurality of independent small field coverage with high spatial resolution to realize the large field coverage to take more stars, which greatly increases theta sep and realizes to improve the precision of the star sensor from two aspects of n and theta sep.

The invention relates to a high-resolution remote sensing image land cover classification method based on depth architecture automatic search. The method is used for automatically searching a convolutional neural network architecture suitable for a specific data set. According to the method, a deep learning theory is combined, a hierarchical search space and a cascade training strategy are designed, a convolutional neural network design is converted into a data-based driving mode, and a series of lightweight operations are constructed as candidates, so that the efficiency of searching a network architecture is ensured. The framework adapts to a network architecture through the cavity pyramid pooling module, so that the framework is suitable for a high-resolution remote sensing image recognition task. According to the method, the problems of high professional knowledge and time cost requirements and the like of an existing artificial design architecture can be solved, a proper deep learning model is automatically searched for a specific high-resolution remote sensing image land cover classification data set, and the model design efficiency and precision can be effectively improved.

A digital image-processing device with a Bayer sensor and an image memory is provided in which the image data of the sensor is written into an image memory, and from this image memory, image data in the Bayer format with a length L and a width B is written continuously into a data buffer, and in which the sample values are combined by means of a computational device with the help of adders, in each case symmetrically to a central point of one or more (2n+1)×(2n+1) neighborhoods, and one or more (n+1)×(n+1) matrices are derived by means of the computational device, and from this (n+1)×(n+1) matrix or these matrices, with the help of additional adders, at least one n×n matrix is formed, and a first color component is in each case calculated from this by means of an adder network.

Embodiments of the present invention provide a cable for optical fiber sensing applications formed from fiber wound around a cable core. A protective layer is then preferably placed over the top of the wound fiber, to protect the fiber, and to help keep it in place on the cable core. The cable core is preferably of a diameter to allow bend-insensitive fiber to be wound thereon with low bending losses. The effect of winding the fiber onto the cable core means that the longitudinal sensing resolution of the resulting cable is higher than simple straight fiber, when the cable is used with an optical fiber sensing system such as a DAS or DTS system. The achieved resolution for the resulting cable is a function of the fiber winding diameter and pitch, with a larger diameter and reduced winding pitch giving a higher longitudinal sensing resolution.

The invention provides an infrared imaging spectrometer and a fast moving target hyperspectral imaging method of the infrared imaging spectrometer. The infrared imaging spectrometer comprises a Michelson interferometer of a special structure, a first optical telescoping system, a second optical telescoping system, a first focusing lens, a first medium wave array infrared detector, a second focusing lens, a second medium wave array infrared detector and a control system, wherein the first optical telescoping system and the second optical telescoping system are installed in front of a first input port of the Michelson interferometer and in front of a second input port of the Michelson interferometer respectively in the direction of the optical axis, interference light emitted from a first output port and interference light emitted from a second output port are focused by the first focusing lens and the second focusing lens respectively and then received and converted into analog electric signals by the first medium wave array infrared detector and the second medium wave array infrared detector respectively, the analog electric signals are transmitted to the control system, the control system is used for converting the analog electric signals into digital signals and is also used for target extracting, space window adjusting and Fourier transform, and then a hyperspectral cubic image is generated.

The present invention relates to a method and a module for improving image fidelity. For doing so, the present invention introduces noise (N) to at least one DAC value of at least some pixels, using one or multiple various patterns.

The shooting, recording and playback system 100 of the present invention receives incoming light 101, stores an image shot, and then subjects the image shot to be reproduced to resolution raising processing, thereby outputting RGB images with high spatial resolution and high temporal resolution (ROUT GOUT BOUT) 102. The system 100 includes a shooting section 103, a color separating section 104, an R imaging sensor section 105, a G imaging sensor section 106, a B imaging sensor section 107, an image shot storage section 108, an image shot writing section 109, a memory section 110, an image shot reading section 111, a spatial resolution upconverter section 112, a temporal resolution upconverter section 113, an output section 114, and a line recognition signal generating section 185. The system can get image data with high spatial resolution and high temporal resolution without getting the camera configuration complicated and without decreasing the optical efficiency.

The shooting, recording and playback system 100 of the present invention receives incoming light 101, stores an image shot, and then subjects the image shot to be reproduced to resolution raising processing, thereby outputting RGB images with high spatial resolution and high temporal resolution (ROUT GOUT BOUT) 102. The system 100 includes a shooting section 103, a color separating section 104, an R imaging sensor section 105, a G imaging sensor section 106, a B imaging sensor section 107, an image shot storage section 108, an image shot writing section 109, a memory section 110, an image shot reading section 111, a spatial resolution upconverter section 112, a temporal resolution upconverter section 113, an output section 114, and a line recognition signal generating section 185. The system can get image data with high spatial resolution and high temporal resolution without getting the camera configuration complicated and without decreasing the optical efficiency.

The invention discloses a one-dimensional dual-redundant antenna array and a construction method. The construction method comprises the steps of establishing a design model of the one-dimensional dual-redundant antenna array based on a minimum array redundancy; by utilizing an intelligent optimization algorithm, obtaining a plurality of first antenna arrays which meet the design model; according to an adjacent array element spacing distribution condition of the first antenna arrays, carrying out an expansion operation on the first antenna arrays to obtain a plurality of second antenna arrays; and using the second antenna arrays which meet requirements of the one-dimensional dual-redundant antenna array and have small array redundancies as third antenna arrays, and according to an adjacent array element spacing distribution condition of the third antenna array, obtaining the one-dimensional dual-redundant antenna array with a random number of array elements. The method for constructing the one-dimensional dual-redundant antenna array, which is provided by the invention, solves the problem of large-degree coverage of a sampling frequency under the condition that a single array element is damaged, and provides guarantee for system reliability of a synthetic aperture radiometer in the microwave and millimeter wave radiation measurement application.

The invention relates to an all-fibre distributed cable safety and reliability monitoring system. The operation conditions of a power cable circuit in a power grid are subjected to omni-directional real-time intelligent monitoring by utilizing optical fibre sensors, and a research object is subjected to the researches, such as reliability analysis or fault diagnosis, according to a fused result byadopting an information fusion fault diagnosis technology so as to determine a fault more accurately without causing false alarm. The intelligent monitoring system can monitor the temperature, load carrying, stealing and invasion and the like of the power cable circuit and ensure safe and high-efficiency operation of the power grid; the information of various sensors is compressively analyzed andprocessed; and when an abnormal situation appears, corresponding linkage equipment is controlled to take certain measures to ensure the normal operation of the power grid. Meanwhile, aiming at the problems that missed alarm and false alarm are easily caused because of the damage to reality of power cable data, a prediction model of a sensor data stream and a prediction mechanism of the predictionmodel are given. When the prediction error of the model exceeds a preset threshold valve, the prediction model can be automatically adjusted, so that the quality of the information of the distributedoptical fibre sensors is improved, and effective modification can be performed when data abnormity appears; therefore, the defect rate of an optical fibre detection system is reduced to a certain degree; a large amount of field work is avoided; and the work efficiency is improved.