Abstract: A mask layout containing a non-Manhattan pattern is received. The received mask layout is processed. An edge of the non-Manhattan pattern is identified. A plurality of two-dimensional kernels is generated based on processed pre-selected mask layout samples. The two-dimensional kernels each have a respective rotational symmetry. The two-dimensional kernels are applied to the edge of the non-Manhattan pattern to obtain a correction field for the non-Manhattan pattern. A thin mask model is applied to the non-Manhattan pattern. The thin mask model contains a binary modeling of the non-Manhattan pattern. A near field of the non-Manhattan pattern is determined by applying the correction field to the non-Manhattan pattern having the thin mask model applied thereon. An optical model is applied to the near field to obtain an aerial image on a wafer. A resist model is applied to the aerial image to obtain a final resist image on the wafer.

Abstract: A display substrate, a display apparatus and a manufacturing method are provided. The display substrate includes: a base substrate; a first electrode layer on a side of the base substrate; a light-emitting layer on a side of the first electrode layer facing away from the base substrate including a plurality of light-emitting portions; a second electrode layer on a side of the light-emitting layer facing away from the first electrode layer; a first transparent inhibitor layer including a plurality of mutually separated first pattern portions; and an auxiliary electrode layer including an auxiliary electrode pattern formed by inhibition of the first pattern portions, where at least part of an orthographic projection of the auxiliary electrode pattern on the base substrate is separated from orthographic projections of the first pattern portions on the base substrate, and the auxiliary electrode pattern is in contact and electrically connected with the second electrode layer.

Abstract: A grafted polypropylene resin is prepared by a grafting reaction of a polar monomer capable of absorbing microwave so as to raise its temperature in a microwave field to more than 200° C. and a solid polypropylene resin using microwave irradiation without adding an initiator. The polar grafted polypropylene resin that does not contain initiator residues and does not have a significant reduction in molecular mass compared with a resin before grafting is obtained.

Abstract: A continuous operation method is employed for the microwave high-temperature pyrolysis of a solid material containing an organic matter. The method includes the steps of mixing a solid material containing an organic matter with a liquid organic medium; transferring the obtained mixture to a microwave field; and in the microwave field, continuously contacting the mixture with a strong wave absorption material in an inert atmosphere or in vacuum. The strong wave absorption material continuously generates a high temperature under a microwave such that the solid material containing an organic matter and the liquid organic medium are continuously pyrolyzed to implement a continuous operation.

Abstract: A button structure and an electronic device are provided. The electronic device includes a housing and a button structure disposed at the housing. The button structure includes a button body and an elastic body. The button body includes a keycap and a pillar portion. The keycap is connected to one end of the pillar portion. The elastic body is sleeved on the pillar portion, and one end of the elastic body includes a first engaging portion. The first engaging portion is capable of being engaged with a part of the housing.

Abstract: An elastic buckling element includes a base and an elastic buckling portion. The base includes a bearing surface, and the bearing surface defines a horizontal direction parallel to the bearing surface and a vertical direction perpendicular to the bearing surface, one end of the elastic buckling portion is fixed on the bearing surface of the base, and the elastic buckling portion and the base have a first height in the vertical direction, and the elastic buckling portion is arranged along the horizontal direction and has a horizontal extension length in the horizontal direction, wherein the horizontal extension length is greater than the first height.

Abstract: A quick-release cover structure includes a casing and a cover. The casing includes a through slot, a protrusion and an engagement hole. The protrusion protrudes from a first slot wall of the through slot. The engagement hole is arranged on a second slot wall of the through slot. The cover is assembled to cover the through slot, and includes a plate, an engagement member, an elastic hook and a handle. The engagement member and the elastic hook respectively protrudes from the plate and are adjacent to different side edges, the protrusion is adapted to extend through the engagement member, and the elastic hook is adapted to be engaged with the engagement hole. When the handle is moved away from the through slot by an acting force, the elastic hook is deformed and disengaged from the engagement hole, so that the cover is separated from the casing.

Abstract: A wearable device, which is worn on a user's head, includes a front assembly, a rear assembly, and a connecting assembly. The connecting assembly connects the front assembly and the rear assembly, wherein the front assembly may be rotated by an angle relative to the rear assembly via the connecting assembly.

Abstract: A device for adjusting interpupillary distance is provided. The device for adjusting interpupillary distance includes an adjustment bottom, a housing, and an adjustment support. The housing is disposed on the adjustment bottom. The housing includes a base, a holder, and a deformation part disposed between the base and the holder. The holder moves relative to the base via the deformation part. The adjustment support is connected to the holder and the adjustment bottom.

Abstract: A method of processing signals from an accelerated MRI scan of a dynamic event occurring in the body of a human patient. The patient is subjected to an MRI examination which includes the relevant portion of his body. Those voxels for which there is no substantially no change over the time of the scan are identified and subtracted from the overall scan signal.

Abstract: A device for adjusting interpupillary distance is provided. The device for adjusting interpupillary distance includes an adjustment bottom, a housing, and an adjustment support. The housing is disposed on the adjustment bottom. The housing includes a base, a holder, and a deformation part disposed between the base and the holder. The holder moves relative to the base via the deformation part. The adjustment support is connected to the holder and the adjustment bottom.

Abstract: A floor mat structure includes an upper cover, a plurality of light bars, a lower cover and at least one sensing element. The upper cover includes a main body and a plurality of indicator blocks. The main body has an upper surface and a lower surface opposite to each other. The indicator blocks are separated from one another and are disposed on the lower surface. The light bars are disposed on the upper cover and are embedded in the upper surface. The lower cover assembled to the upper cover includes a base and a plurality of bumps. The base has a configuration surface facing the lower surface. The bumps are separated from one another and are disposed on the configuration surface, wherein orthographic projections of the indicator blocks on the configuration surface does not overlap the bumps. The sensing element is disposed on the lower cover and are located at at least one bump. When the sensing element senses pressure from the upper cover, the light bars illuminate. Also, a floor mat assembly is provided.

Abstract: Various methods and systems are provided for reconstructing magnetic resonance images from accelerated magnetic resonance imaging (MM) data. In one embodiment, a method for reconstructing a magnetic resonance (MR) image includes: estimating multiple sets of coil sensitivity maps from undersampled k-space data, the undersampled k-space data acquired by a multi-coil radio frequency (RF) receiver array; reconstructing multiple initial images using the undersampled k-space data and the estimated multiple sets of coil sensitivity maps; iteratively reconstructing, with a trained deep neural network, multiple images by using the initial images and the multiple sets of coil sensitivity maps to generate multiple final images, each of the multiple images corresponding to a different set of the multiple sets of sensitivity maps; and combining the multiple final images output from the trained deep neural network to generate the MR image.

Abstract: Various methods and systems are provided for reconstructing magnetic resonance images from accelerated magnetic resonance imaging (MRI) data. In one embodiment, a method for reconstructing a magnetic resonance (MR) image includes: estimating multiple sets of coil sensitivity maps from undersampled k-space data, the undersampled k-space data acquired by a multi-coil radio frequency (RF) receiver array; reconstructing multiple initial images using the undersampled k-space data and the estimated multiple sets of coil sensitivity maps; iteratively reconstructing, with a trained deep neural network, multiple images by using the initial images and the multiple sets of coil sensitivity maps to generate multiple final images, each of the multiple images corresponding to a different set of the multiple sets of sensitivity maps; and combining the multiple final images output from the trained deep neural network to generate the MR image.

Abstract: An MRI system for imaging a moving subject is provided. The MRI system includes a magnet assembly and an MRI controller. The magnet assembly is configured to acquire a k-space via scanning the subject. The acquired k-space includes a plurality of datum each having a motion error. The MRI controller is configured to receive the acquired k-space from the magnet assembly. The MRI controller is further configured to suppress the motion error of each datum by reconstructing the k-space via a soft gating threshold in a non-iterative manner.

Abstract: A floor mat structure includes an upper cover, a plurality of light bars, a lower cover and at least one sensing element. The upper cover includes a main body and a plurality of indicator blocks. The main body has an upper surface and a lower surface opposite to each other. The indicator blocks are separated from one another and are disposed on the lower surface. The light bars are disposed on the upper cover and are embedded in the upper surface. The lower cover assembled to the upper cover includes a base and a plurality of bumps. The base has a configuration surface facing the lower surface. The bumps are separated from one another and are disposed on the configuration surface, wherein orthographic projections of the indicator blocks on the configuration surface does not overlap the bumps. The sensing element is disposed on the lower cover and are located at at least one bump. When the sensing element senses pressure from the upper cover, the light bars illuminate. Also, a floor mat assembly is provided.

Abstract: A method for phase-contrast imaging a fluid within a volume of an imaged subject is provided. The method includes acquiring a plurality of slabs, each slab imaging the fluid flowing within a portion of the volume; and volume merging the plurality of slabs to form an image of the volume. Each slab of the plurality is aligned with respect to the volume such that each slab of the plurality is continuously supplied with a plurality of magnetically unsaturated portions of the fluid during acquisition.

Abstract: A band saw machine includes a working platform, a cutting machine, a vertical displacement element causing the cutting machine to move vertically, a height sensor and a central processor. The working platform includes a reference plane for placing a workpiece. The cutting machine includes a driving wheel, a driven wheel, a band saw wound on the driving wheel and the driven wheel, and a motor that electrically drives the driving wheel. The band saw includes a starting cutting tooth and a processing cutting tooth sequentially arranged. The height sensor detects a starting cutting point of the workpiece farthest from the reference plane. The central processor receives information of a position of the starting cutting point, and controls a displacement speed of the vertical displacement element and a first rotational speed of the motor to cause the starting cutting tooth to first cut at the starting cutting point.

Abstract: A method of processing signals from an accelerated MRI scan of a dynamic event occurring in the body of a human patient. The patient is subjected to an MRI examination which includes the relevant portion of his body. Those voxels for which there is no substantially no change over the time of the scan are identified and subtracted from the overall scan signal.