894 results about "Single shot" patented technology

A phase-difference sensor measures the spatially resolved difference in phase between orthogonally polarized reference and test wavefronts. The sensor is constructed as a pixelated phase-mask aligned to and imaged on a pixelated detector array. Each adjacent pixel of the phase-mask measures a predetermined relative phase shift between the orthogonally polarized reference and test beams. Thus, multiple phase-shifted interferograms can be synthesized at the same time by combining pixels with identical phase-shifts. The multiple phase-shifted interferograms can be combined to calculate standard parameters such as modulation index or average phase step. Any configuration of interferometer that produces orthogonally polarized reference and object beams may be combined with the phase-difference sensor of the invention to provide, single-shot, simultaneous phase-shifting measurements.

A single-shot spectral imager or imaging system which acquires multiplexed spatial and spectral data in a single snapshot with high optical collection efficiency and with the speed limited only by the readout time of the detector circuitry. The imager uses dispersive optics together with spatial light modulators to encode a mathematical transform onto the acquired spatial-spectral data. A multitude of encoded images is recorded simultaneously on a focal plane array and subsequently decoded to produce a spectral/spatial hypercube.

This invention discloses a fast two-dimensional inverse Discrete Cosine Transform (iDCT) that adapts to compressed video source statistics to reduce execution time. iDCT algorithms for sparse blocks eliminate calculations for some zero coefficients and are implemented with quad-word parallel single-instruction-multiple-data (SIMD) multimedia instructions. It is observed that end-of-block marker value histograms vary little within single shots. An adaptive control mechanism is proposed that selects the optimal set of iDCTs to prepare for an entire shot from its first frames (to reduce software overheads and penalties). This introduces no degradation of decoded video quality as compared with a conventional SIMD 8×8 iDCT implemented with Intel MMX instructions.

The method for compressive sensing (CS) and reconstruction of ultra-wideband (UWB) channels includes building four practically-based dictionaries related to the antenna angles of transmission and angles of arrival that enhance the sparsity of UWB signals. The dictionaries account for the practical effects of the channel, such as pulse dispersion and the unavoidable effects of the antenna. Utilizing the practically-based dictionaries CS is able to reconstruct the UWB signals more efficiently with reasonable complexity. In addition to waveform reconstruction, the dictionaries are used for channel estimation. The CS method can be used with either a single-shot full profile correlator or a Rake receiver. The Rake receiver employs CS in adjusting its parameters to take advantage of the energy available in the strongest propagation paths.

An adapter is provided for adapting an optical instrument, such as a camera (3) or a projector, to capture or display panoramic three-dimensional images. The adapter comprises a plurality of mirrors (1a, 1b, 1c), each of which has a reflective surface which is in the shape of a curved non-circular conic section rotated about an axis of symmetry (15a, 15b, 15c). The reflective surfaces have first foci which are spaced perpendicularly from a longitudinal axis of the adapter and which are angularly spaced around the longitudinal axis. For example, the conic section may be a hyperbola with first foci equidistantly spaced from the longitudinal axis and equiangularly spaced around 15b the longitudinal axis. The axes of symmetry (15a, 15b, 15c) of the mirrors (1a, 1b, 1c) converge to intersect the longitudinal axis at a point which is coincident with the front principal point of, for example, a camera lens (12). Thus, single shot capture of all the image data for the or each panoramic three-dimensional image may be performed.

Methods and apparatus are presented for obtaining high-resolution 3-D images of a sample over a range of wavelengths, optionally with polarisation-sensitive detection. In preferred embodiments a spectral domain OCT apparatus is used to sample the complex field of light reflected or scattered from a sample, providing full range imaging. In certain embodiments structured illumination is utilised to provide enhanced lateral resolution. In certain embodiments the resolution or depth of field of images is enhanced by digital refocusing or digital correction of aberrations in the sample. Individual sample volumes are imaged using single shot techniques, and larger volumes can be imaged by stitching together images of adjacent volumes. In preferred embodiments a 2-D lenslet array is used to sample the reflected or scattered light in the Fourier plane or the image plane, with the lenslet array suitably angled with respect to the dispersive axis of a wavelength dispersive element such that the resulting beamlets are dispersed onto unique sets of pixels of a 2-D sensor array.

Scribe lines demarcating semiconductor chips comprise, in both the vertical direction and the horizontal direction, first-type scribe lines of the minimum width enabling cutting by dicing or other means, and second-type scribe lines enabling placement of TEGs, alignment marks or other accessories, and a placement pattern is set so that a unit cell which can be exposed in a single shot comprises one second-type scribe line. By this means, the area occupied by scribe lines can be reduced. Further, by decreasing the number of placement of semiconductor chips constituting a unit cell, and by cutting substantially along the center line of second-type scribe lines, the shapes of scribe lines on the periphery of semiconductor chips can be changed, so that the position in the unit cell can be determined.

Computer program products, methods, systems, apparatus, and computing entities provide a unique single-shot text detector that generates word-level text bounding boxes in an image by at least identifying text regions in the image via an automatically learned attention map and by conducting pixel-wise review of text; aggregating multi-scale inception features; generating, based at least in part on the multi-scale inception features, a set of aggregated inception features; and generating, using at least the set of aggregated inception features, the word-level text bounding boxes in the image.

Hilbert phase microscopy (HPM) as an optical technique for measuring high transverse resolution quantitative phase images associated with optically transparent objects. Due to its single-shot nature, HPM is suitable for investigating rapid phenomena that take place in transparent structures such as biological cells. A preferred embodiment is used for measuring biological systems including measurements on red blood cells, while its ability to quantify dynamic processes on the millisecond scale, for example, can be illustrated with measurements on evaporating micron-size water droplets.

A single-shot nail stapler includes a valve and a valve-opening rod for pushing the valve open. A major trigger includes two side members each with an upper portion pivotally attached to a portion of the single-shot nail stapler and a lower portion defining a substantially horizontal slit and a substantially vertical slot with an upper end and a lower end. A slide includes two side members each including a fin formed thereon and defining an inclined slot with an upper left end and a lower right end. The fins are movable in the substantially horizontal slits of the major trigger. A secondary trigger includes an upper portion, a lower portion and an aperture defined in the lower portion of the secondary trigger. A pin is fit in the aperture of the secondary trigger and movable in the inclined slots of the slide and the substantially vertical slots of the major trigger. Two springs are each compressed between the major trigger and each of the slide members of the slide. A security element extends movably between the side members of the major trigger for pushing the upper portion of the secondary trigger.

A method for enumerating sets of concurrent events handles single-shot events and recurring events. The method involves creating a data structure having records for time periods. The time periods begin and end on overall start and end times of scheduled events. In preferred embodiments the method creates the data structure by collapsing together master schedules for a plurality of resources. The method may create the master schedules by collapsing together mini-schedules of different priorities. The method can produce a minimal list of sets of concurrent events that will occur according to a universal master schedule in a form suitable for processing by an automatic validation system.

Methods and apparatus to perform wavefront analysis, including phase and amplitude information, and 3D measurements in optical systems, and in particular those based on analyzing the output of an intermediate plane, such as an image plane, of an optical system. Measurement of surface topography in the presence of thin film coatings, or of the individual layers of a multilayered structure is described. Multi-wavelength analysis in combination with phase and amplitude mapping is utilized. Methods of improving phase and surface topography measurements by wavefront propagation and refocusing, using virtual wavefront propagation based on solutions of Maxwell's equations are described. Reduction of coherence noise in optical imaging systems is achieved by such phase manipulation methods, or by methods utilizing a combination of wideband and coherent sources. The methods are applied to Integrated Circuit inspection, to improve overlay measurement techniques, by improving contrast or by 3-D imaging, in single shot imaging. Data supplied from the esp@cenet database—Worldwide

The invention discloses a multi-redundant synchronous data acquiring device and method of a non-cable seismograph. The method is a multi-redundant synchronous data acquiring method of a non-cable seismograph based on a UTC (universal time coordinated) time system, and comprises the following steps: through introducing a local auxiliary UTC time service system and combining a GNSS (global navigation satellite system) time service technology, constructing a multi-redundant TUC time service system so as to guarantee that a non-cable seismograph acquiring station can synchronize the data acquisition under the condition of loading a GNSS time service signal; before acquiring the seismic data, firstly timing the local UTC, selecting one of continuous record or UTC time interval or UTC time point to set a synchronous acquiring task so as to generate a synchronous data acquiring task list; and marking the UTC time scale information on the acquired seismic data according to the UTC time service information, storing in a local memory, and finally obtaining a complete synchronous single shot record. The synchronous seismic data can be acquired by the non-cable seismograph acquiring station under any severe satellite signal condition by using the acquiring device and the acquiring method; and the synchronous precision is superior to 4 microseconds, and the synchronous requirement of resource exploration is completed satisfied.

The invention discloses a vehicle detection method and system based on a SSD (Single Shot MultiBox Detector) and vehicle gesture classification. The method comprises the following steps that: according to an angle between a vehicle head and a horizontal axis, dividing a vehicle gesture; adding a vehicle gesture classification task into an original SSD network model; combining a vehicle detection loss with a vehicle gesture classification task loss to form a multi-task loss; replacing the softmax loss of the original SSD model with a flocal loss; carrying out joint optimization on the vehicle gesture classification task and the vehicle detection task; training to obtain a detection model; and utilizing the detection model to carry out vehicle detection on a picture to be detected to realizemultiscale and multi-angle vehicle detection. By use of the method, a deep learning target detection SSD is used for vehicle detection, the vehicle gesture classification is used for assisting the task and the vehicle detection task in carrying out joint training, and the flocal loss is added to solve the problem of unbalanced vehicle samples so as to improve the accuracy and the stability of thesystem.

The present invention is capable of easily and quickly selecting and applying desired effects. In the present invention, single-shot effects and continuous effects for specifying special effects for images are arranged and displayed in the order of use in a single-effect display area 105A and a continuous effect display area 105B of an effect list display area 105, so that the user can easily and quickly select a single-shot effect and a continuous effect to apply desired special effects, in order to easily and quickly apply the desired special effects to input image at desired timing.

The present invention relates to a magnetic resonance spectroscopic imaging (MRSI) method, specifically to a magnetic resonance spectroscopic imaging method with up to three spatial dimensions and one spectral dimension. Interleaving dynamically switched magnetic field gradients into the spectroscopic encoding scheme enables multi-region shimming in a single shot to compensate the spatially varying spectral line broadening resulting from local magnetic field gradients. The method also employs sparse spectral sampling with controlled spectral aliasing and nonlinear sampling density to maximize encoding speed, data sampling efficiency and sensitivity.