Abstract: Range adaptive, dynamic metadata generation for high-dynamic images includes generating, using computer hardware, histogram-based data for video including one or more frames. The histogram-based data is generated for each of a plurality of dynamic ranges. For each dynamic range, a predetermined amount of dynamic metadata for the video is generated from the histogram-based data for the dynamic range. The video and the dynamic metadata is output.

Abstract: Provided are a dark-field confocal microscopic measurement apparatus and method based on frequency mismatch demodulation, relating to a dark-field confocal microscopic measurement apparatus and method. The problems that lateral and axial resolutions are affected and the stability of a microscopic system is reduced because the traditional nondestructive testing technology of subsurface defects in dark-field confocal microscopic measurement relies on a complex beam shaping mechanism are solved. The apparatus includes a dual-channel waveform generator, a modulated illumination module, an optical scanning module, a mismatch demodulation module, and an axial displacement table. A sample is placed on the axial displacement table, and one channel of the dual-channel waveform generator is connected to the modulated illumination module.

Abstract: This application relates to the technical field of confocal microscopy measurement, and provides a dark-field confocal microscopy measurement apparatus and method based on multi-fractional angular momentum demodulation. The apparatus includes a modulated illumination module and a signal collection and demodulation module. The modulated illumination module obtains vortex light with different fractional orders through modulation using vortex phase patterns with different fractional orders, so as to scan a to-be-measured sample. The vortex light with different fractional orders irradiates the to-be-measured sample and is reflected out. The signal collection and demodulation module collects the reflected light and generates dark-field images, and finally performs cross-correlation processing on the dark-field images generated under the vortex light with different fractional orders, to obtain high SNR data.

Abstract: A method for hydrotreating and recycling waste lubricating oil, the method comprising the two steps of slurry bed pre-hydrotreatment and deep hydrotreatment, specifically as follows: mechanical impurities are removed from waste lubricating oil, and then the oil is subjected to flash distillation to separate free water and a portion of light hydrocarbons; a bottom product of the flash distillation column is mixed with hydrogen and a self-sulfurizing oil-soluble transition metal catalyst, and then enters a slurry bed reactor for pre-hydrotreatment; a liquid product obtained by performing separation on a reaction effluent is subjected to hydrocyclone separation and solvent washing to remove solid residue, and then a pre-treated lubricating oil component is obtained; said component is mixed with hydrogen and then enters a hydrofining reactor, an isomerization-dewaxing reactor, and a supplementary refining reactor, connected in series, for hydrotreatment; and the reaction products are separated to obtain high-qual

Abstract: Provided is a living cell microbeam directional and quantitative irradiation imaging apparatus. The problem that qualitative analysis of the mechanism of action of biological cells irradiated cannot accurately study the mechanism of action of different irradiation doses on biological cells as the cell irradiation technology can be only used to perform qualitative irradiation on living biological cells is solved. The apparatus includes a vertical microbeam terminal, a living cell directional irradiation module, a wide-field microscopic module, a mode switching module, and a single-proton counting and radiation synchronous control module.

Abstract: One embodiment provides a computer-implemented method that includes providing a dynamic list structure that stores one or more detected object bounding boxes. Temporal analysis is applied that updates the dynamic list structure with object validation to reduce temporal artifacts. A two-dimensional (2D) buffer is utilized to store a luminance reduction ratio of a whole video frame. The luminance reduction ratio is applied to each pixel in the whole video frame based on the 2D buffer. One or more spatial smoothing filters are applied to the 2D buffer to reduce a likelihood of one or more spatial artifacts occurring in a luminance reduced region.

Abstract: Disclosed are a dark-field confocal microscopic measurement apparatus and method based on vortex dichroism. The apparatus includes an array vortex light generation module, an array vortex light illumination module and an array dark-field confocal detection module; an array vortex wave plate of the array vortex light generation module generates vortex light to illuminate a sample of the array vortex light illumination module; and the array dark-field confocal detection module extracts scattering signals, and identifies differences between scattering signals collected under the illumination of opposite-order vortex light.

Abstract: One embodiment provides a computer-implemented method that includes adaptively adjusting a detection time interval based on stationary region type of one or more stationary regions and a scene length in a video. The method further includes tracking pixels of the one or more stationary regions from a number of previous frames to a current frame in the video in real-time. A minimum and a maximum of max-Red-Green-Blue (MaxRGB) pixel values are extracted from each frame in a scene of the video as minimum and a maximum temporal feature maps for representing pixel variance over time. Segmentation and block matching are applied on the minimum and maximum temporal feature maps to detect the stationary region type.

Abstract: This application relates to the technical field of confocal microscopy measurement and provides a dark-field confocal microscopy measurement apparatus and method based on time-varying fractional-order vortex demodulation. The apparatus includes a time-varying modulated illumination module, an optical scanning module, a signal collection and demodulation module, a function generator, and a sample platform. The function generator is separately connected with. The time-varying modulated illumination module is configured to emit fractional-order vortex light to the optical scanning module. The optical scanning module is configured to transmit the fractional-order vortex light to the to-be-measured sample on the sample platform and transmit a reflected light signal to the signal collection and demodulation module.

Abstract: Provided are a dark-field confocal microscopy measurement apparatus and method.

Abstract: This application provides a vortex dichroism dark-field confocal microscopy measurement apparatus based on spiral transformation. An opposite-order vortex beam generation module is configured to generate a mixed vortex beam, a sample scanning module is configured to irradiate a scanning position of a to-be-measured sample by using the mixed vortex beam, to obtain a sample reflection beam. A spiral transformation module is configured to spatially separate the sample reflection beam to obtain spatially separated beams. A multi-order detection module is configured to detect the spatially separated beams to obtain a vortex dichroism signal at the scanning position. When the scanning position of the to-be-measured sample is defect-free, the vortex dichroism signal is zero. Conversely, when defects are present at the scanning position, the vortex dichroism signal is non-zero. The positive and negative the vortex dichroism signal respectively correspond to the left-handed and right-handed chirality of the defects.

Abstract: The present invention relates to a pre-hydrotreatment and purification method for waste lubricating oil, the method comprising the following steps: mechanical impurities are removed from waste lubricating oil, and then the oil is subjected to flash distillation to separate free water and a portion of light hydrocarbons; a bottom product of the flash distillation column is mixed with hydrogen and a self-sulfurizing oil-soluble transition metal catalyst, and then enters a slurry bed reactor for pre-hydrotreatment; a gas product obtained by performing separation on a reaction effluent is subjected to adsorption purification and then enters a hydrogen recycle compressor for cyclic use; a liquid product obtained by performing separation on a reaction effluent is subjected to hydrocyclone separation and solvent washing to remove solid residue, and finally a purified lubricating oil component is obtained.

Abstract: Disclosed are a differential dark-field confocal microscopic measurement apparatus and method based on a polarized vector light beam. The apparatus includes a vector polarized illumination light generation module, a light beam scanning illumination module and a differential dark-field confocal imaging module; a half wave plate and a vortex wave plate are regulated to generate radially polarized signal light and azimuthally polarized signal light respectively, and an acousto-optic modulator is controlled to modulate light beams into a pulse form, so that the radially polarized signal light and the azimuthally polarized signal light alternately illuminate during the same period, both of which have a time occupation ratio of 50%, separately.

Abstract: Disclosed are a dark-field confocal microscopic measurement apparatus and method based on vortex dichroism. The apparatus includes an array vortex light generation module, an array vortex light illumination module and an array dark-field confocal detection module; an array vortex wave plate of the array vortex light generation module generates vortex light to illuminate a sample of the array vortex light illumination module; and the array dark-field confocal detection module extracts scattering signals, and identifies differences between scattering signals collected under the illumination of opposite-order vortex light.

Abstract: Disclosed are a differential dark-field confocal microscopic measurement apparatus and method based on a polarized vector light beam. The apparatus includes a vector polarized illumination light generation module, a light beam scanning illumination module and a differential dark-field confocal imaging module; a half wave plate and a vortex wave plate are regulated to generate radially polarized signal light and azimuthally polarized signal light respectively, and an acousto-optic modulator is controlled to modulate light beams into a pulse form, so that the radially polarized signal light and the azimuthally polarized signal light alternately illuminate during the same period, both of which have a time occupation ratio of 50%, separately.

Abstract: A method includes modeling, by a computing device, color saturation variations of different hues in a working color space with one or more properties of responses of a human vision system (HVS) to color stimulus. The computing device further generates one or more color saturation variation models based on the responses of the HVS to color stimulus.

Abstract: Disclosed are a high temperature blasting resistance isotactic polybutene alloy and a preparation method thereof. The isotactic polybutene alloy of the present invention comprises 1-40% of isotactic polypropylene in parts by mass, 0.1-10% of a polypropylene-polybutene-1 block copolymer in parts by mass, 35-95.9% of isotactic polybutene-1 of a medium molecular weight in parts by mass, and 3-15% of isotactic polybutene-1 of a high molecular weight in parts by mass. The alloy material is prepared using a method of segmented polymerization of propylene polymerization, high hydrogen content butene polymerization and low hydrogen content butene polymerization. The prepared isotactic polybutene alloy has excellent high temperature blasting resistance and high temperature hydrostatic pressure, is high in vicat softening temperature, and is applicable to pressure pipes.

Abstract: One embodiment provides a method comprising determining a first representation of a source gamut of an input content in a first (2D) device-independent color space, determining a second representation of a target gamut of a display device in a second 2D device-independent color space, and determining a color transition protection zone (TPZ) based on the source gamut and the target gamut. The method further comprises utilizing a color gamut mapping (CGM) module to perform, based on the TPZ, linear color gamut compression from the first 2D device-independent color space to the second 2D device-independent color space if the target gamut is narrower than the source gamut. The method further comprises utilizing the same CGM module to perform, based on the TPZ, linear color gamut extension from the first 2D device-independent color space to the second 2D device-independent color space if the target gamut is wider than the source gamut.

Abstract: One embodiment provides a method comprising receiving an input content, and receiving ambient contextual data indicative of one or more ambient lighting conditions of an environment including a display device. The input content has corresponding metadata that at least partially represents a creative intent indicative of how the input content is intended to be viewed. The method further comprises adaptively correcting the input content based on the ambient contextual data to preserve the creative intent, and providing the corrected input content to the display device for presentation. The adaptively correcting comprises applying automatic white balancing to the input content to correct color tone of the input content.

Abstract: One embodiment provides a computer-implemented method that includes receiving region information from a stationary region detection process for a video. A processor performs a flat region ghosting artifact removal process that updates the region information with a flat region indicator utilizing the region information and the video. The processor further performs a region based luminance reduction process utilizing the updated region information with the flat region indicator for display ghosting artifact removal and burn-in protection.