Abstract: The present disclosure provides apparatuses and methods for splitting an image into coding units. An image is divided into coding tree units (CTUs) which are hierarchically partitioned. Hierarchical partitioning includes multi-type partitioning such as binary tree or quad tree splitting. For CTUs completely within the image and CTUs on the boundary, respective multi-type partition depths are chosen. The present disclosure provides for multi-type partitioning flexibility in a boundary portion of the image.

Abstract: An image processing device for use in an image encoder and/or an image decoder, for deblocking a block edge between a first block and a second block of an image encoded with a block code, is provided. The image processing device comprises a filter for filtering the block edge, configured to, for at least some of the pixels to be filtered, within a deblocking range from the block edge, the deblocking range being perpendicular to the block edge, determine a filtered pixel value from an original pixel value of the pixel and at least one further pixel value, determine a clipping value of the pixel, dependent upon a distance of the pixel from the block edge, and clip the filtered pixel value, using the clipping value resulting in a deblocked pixel value.

Abstract: A cross-coupling control method for moving beam of gantry machine tool is disclosed, which relates to the technical field of CNC machine tool control. The cross-coupling control method includes: Step 1: establishing a crossbeam dynamics model considering a ram on the crossbeam, and at the same time simplifying the model for an observer design; step 2: realizing a PID control parameter adjustment of motors at both ends in accordance with a method of parameter tuning of a unilateral servo control system; using a servo system with the same control parameters to jointly drive the crossbeam up and down, realizing the synchronous control and realizing PID control parameter tuning for both end motors. The disclosure not only reduces the synchronization error caused by the torsion of the crossbeam, but also solves the synchronization error caused by the asymmetric load on both sides, and improves the system robustness and stability.

Abstract: The present disclosure provides an encoding apparatus and a decoding apparatus, as well as an encoding method and a decoding method. In particular, the present disclosure relates to block partitioning and signaling the partitioning parameters in a bitstream. An override flag in a slice header indicates whether or not a block is to be partitioned according to a first partition constraint information. The override flag is included in the bitstream and the block is partitioned accordingly.

Abstract: Photovoltaic retinal prosthesis is provided with optically configurable confinement of electrical field. A video stream is projected onto a retinal implant. An array of photovoltaic pixels is configured to provide retinal stimulus responsive to the video stream. The photovoltaic pixels have a common return electrode. Each pixel has an active electrode that is coupled to retinal tissue via a capacitive interface or a faradaic interface. Each pixel includes photodiode(s) connected in series between the common return electrode and the corresponding active electrode. The projected video stream is configured based on a source video stream such that one or more pixels of the retinal implant that will be dark in a next frame of the projected video stream are optically preconditioned (pre-charged) by the projected video stream during the previous frame to become sufficiently conductive to act as transient local return electrodes during the next frame of the projected video stream.

Abstract: Implementations of an ocular contact lens may include a curved surface on a first side, a flat surface on a second side opposing the first side, and one or more chamfered edges between the first side and the second side where the one or more chamfered edges has a wider circumference near the flat surface. A straight edge may be included between the curved surface and the one or more chamfered edges oriented perpendicular with the flat surface along with a light source circling and contact at least a portion of the one or more chamfered edges.

Abstract: A polyamide coating slurry and its preparing method, and a process for preparing polyamide-coated fabric for printing are provided. The present disclosure provides a polyamide coating slurry for precise inkjet printing with wide applicability simple preparation steps. The surface structure and lipophilicity of the coating can be changed by mixing polyvinyl butyral and polyoxypropylene lauryl ether, urea and poly-N-isopropylacrylamide in polyamide 6, so that the adsorption properties and permeability of the coating to ink are greatly improved, and thus high-precision inkjet printing can be realized.

Abstract: A method for measuring parameters in an ultrasonic image, comprising: acquiring an ultrasonic image, the image comprising a target tissue; an ultrasound probe obtaining an ultrasonic image by means of receiving an ultrasound signal from the target tissue; displaying the ultrasonic image; obtaining a measurement instruction on the basis of the ultrasonic image; calculating a related measurement item of the target tissue according to the measurement instruction and obtaining a calculation result; and outputting the calculation result. Further provided is a system for measuring parameters in an ultrasonic image. The method and system solve the problem wherein ultrasonic image measurement operations are inconvenient.

Abstract: An audio recognition method, a method of training an audio recognition model, and an electronic device are provided, which relate to fields of artificial intelligence, speech recognition, deep learning and natural language processing technologies. The audio recognition method includes: truncating an audio feature of target audio data to obtain at least one first audio sequence feature corresponding to a predetermined duration; obtaining, according to a peak information of the audio feature, a peak sub-information corresponding to the first audio sequence feature; performing at least one decoding operation on the first audio sequence feature to obtain a recognition result for the first audio sequence feature, a number of times the decoding operation is performed being identical to a number of peaks corresponding to the first audio sequence feature; obtaining target text data for the target audio data according to the recognition result for the at least one first audio sequence feature.

Abstract: A method for measuring parameters in an ultrasonic image, comprising: acquiring an ultrasonic image, the image comprising a target tissue; an ultrasound probe obtaining an ultrasonic image by means of receiving an ultrasound signal from the target tissue; displaying the ultrasonic image; obtaining a measurement instruction on the basis of the ultrasonic image; calculating a related measurement item of the target tissue according to the measurement instruction and obtaining a calculation result; and outputting the calculation result. Further provided is a system for measuring parameters in an ultrasonic image. The method and system solve the problem wherein ultrasonic image measurement operations are inconvenient.

Abstract: A new ocular contact lens has been designed to increase the amount of light reaching the retina. The contact lens edge is chamfered to redirect and increase the light reaching the retina. A light source encircles and contacts the straight or curved chamfered edge. Additionally, a reflective cylinder and its top wall encircle the lens to block any loss of light. This distal edge of the contact lens may be rounded to increase the angle of retina visible. A new ocular imaging camera has a low-light camera subassembly with server, a photosensor next to low-light camera, a short cylindrical housing, a space between the camera subassembly and the housing, an internal program in server to detect good or poor image quality and an alarm for poor image quality, wherein an operator recaptures the image. A system has a highly efficient method to screen and diagnose a large number of patients using the new ocular contact lens and ocular imaging camera. The system receives and processes the photographs.

Abstract: Proposed are a method and apparatus for speech recognition, and a storage medium. The specific solution includes: obtaining audio data to be recognized; decoding the audio data to obtain a first syllable of a to-be-converted word, in which the first syllable is a combination of at least one phoneme corresponding to the to-be-converted word; obtaining a sentence to which the to-be-converted word belongs and a converted word in the sentence, and obtaining a second syllable of the converted word; encoding the first syllable and the second syllable to generate first encoding information of the first syllable; and decoding the first encoding information to obtain a text corresponding to the to-be-converted word.

Abstract: A method for measuring parameters in an ultrasonic image, includes: obtaining a pelvic ultrasound image, wherein the pelvic ultrasound image is acquired by receiving ultrasound echoes from a pelvic floor tissue with an ultrasound probe and contains an area representing the pelvic floor tissue; displaying the pelvic ultrasound image; determining a position of an inferoposterior margin of symphysis pubis in the pelvic ultrasound image; determining a central axis of symphysis pubis in the pelvic ultrasound image; determining an axis that passes through the determined position of the inferoposterior margin of symphysis pubis and is at an angle of 135 degree with respect to the determined central axis of symphysis pubis; determining a position of a bladder neck in the pelvic ultrasound image; and calculating a distance from the determined position of the bladder neck to the determined axis to obtain a value of a bladder neck-symphyseal distance.

Abstract: A method for measuring parameters in an ultrasonic image, includes: obtaining a pelvic ultrasound image, wherein the pelvic ultrasound image is acquired by receiving ultrasound echoes from a pelvic floor tissue with an ultrasound probe and contains an area representing the pelvic floor tissue; displaying the pelvic ultrasound image; determining a position of an inferoposterior margin of symphysis pubis in the pelvic ultrasound image; determining a horizontal axis according to the determined position of the inferoposterior margin of symphysis pubis; determining a position of a bladder neck in the pelvic ultrasound image; and calculating a distance from the determined position of the bladder neck to the determined horizontal axis to obtain a value of a bladder neck-symphyseal distance.

Abstract: Disclosed are a method for displaying ultrasonic data and an ultrasound imaging system. The method may include: acquiring ultrasonic video data to be displayed; obtaining at least one representative frame from the ultrasonic video data; classifying the representative frame to obtain a category of the representative frame, and determining a category of the ultrasonic video data according to the category of the representative frame; and displaying in categories the ultrasonic video data according to the category of the ultrasonic video data.

Abstract: The present disclosure provides speech recognition and codec methods and apparatuses, an electronic device and a storage medium, and relates to the field of artificial intelligence such as intelligent speech, deep learning and natural language processing. The speech recognition method may include: acquiring an audio feature of to-be-recognized speech; encoding the audio feature to obtain an encoding feature; truncating the encoding feature to obtain continuous N feature fragments, N being a positive integer greater than one; and acquiring, for any one of the feature segments, corresponding historical feature abstraction information, encoding the feature segment in combination with the historical feature abstraction information, and decoding an encoding result to obtain a recognition result corresponding to the feature segment, wherein the historical feature abstraction information is information obtained by feature abstraction of recognized historical feature fragments.

Abstract: Textile fibers at least partially coated with a coating that includes particles of metal-organic frameworks dispersed in a polymeric base are provided. Also provided are fabrics formed from the textile fibers, protective gear and articles of clothing made from the fabrics, and methods of using the fibers and fabrics to catalyze the hydrolysis of organic molecules, such as organophosphate-based nerve agents, having hydrolysable bonds.

Abstract: An ultrasonic detection method and ultrasonic imaging system for a fetal heart. Since after three-dimensional volume data is obtained, at least one point within a fetal heart in the three-dimensional volume data is identified, the spatial position where a fetal heart cross-section is located in the three-dimensional volume data is identified according to the point, and the fetal heart cross-section is then extracted from the three-dimensional volume data according to the identified spatial position, the fetal heart cross-section can be quickly acquired from the three-dimensional volume data. The present invention is simple and easy to use, and is convenient for a doctor to make a diagnosis.

Abstract: The three-dimensional ultrasound imaging method comprise emitting an ultrasonic wave to a fetal head; receiving an ultrasonic echo to acquire an ultrasonic echo signal; acquiring three-dimensional volume data of the fetal head according to the ultrasonic echo signal; detecting a median sagittal section from the three-dimensional volume data according to features of the median sagittal section of the fetal head; determining a facing orientation of the fetal head in the median sagittal section; displaying the median sagittal section as an image suitable for observation according to the facing orientation of the fetal head.

Abstract: A microwave-based thermal coupling chemical looping gasification method and device. The device includes: a microwave radiation cavity; a loading recess of a microwave absorbing material; and a quartz pipe reaction cavity between the microwave radiation cavity and the loading recess of a microwave absorbing material. A microwave generator consisting of magnetrons is provided at a central portion of the microwave radiation cavity and below the loading recess. An infrared temperature-measuring probe group is arranged at two ends of the magnetrons. Two ends of the microwave radiation cavity are connected to a first and second three-way valves, in communication with the ambient atmosphere and a protection gas charging device. A protection gas cooling device and a protection gas circulating fan are sequentially connected in series on a pipeline between the valves.