Abstract: A mobile POS terminal includes an enclosure, a POS system, a touch display panel, a sealant, and at least two temperature sensors. The POS system is disposed in the enclosure. The touch display panel is disposed on the enclosure. The sealant is disposed between the touch display panel and the enclosure. The sealant attaches the touch display panel to the enclosure. The at least two temperature sensors are disposed at at least two corners of the enclosure and under the touch display panel. A tamper warning is generated according to detecting results of the temperature sensors.

Abstract: The disclosure relates to a method and system for AC line distance protection in AC/DC hybrid power grid, and storage medium.

Abstract: In some embodiments, a method analyzes content of a video to generate a representation for a video that represents a relationship of a bitrate to a quality measurement for the video. A plurality of candidate points on the representation are selected. Then, the method selects a profile ladder from at least a portion of the plurality of candidate points. Each profile in the profile ladder is associated with a candidate point and the profile includes a corresponding bitrate and a quality measurement for the respective candidate point. The profile ladder is used for the video.

Abstract: In some embodiments, a method selects a first template of pixels that is outside of a first block and a second template of pixels that is outside of the first block. Then, the method selects a first region of pixels that are inside the first block and a second region of pixels that are inside the first block. A first weight is calculated based on the first template of pixels and the first region of pixels and a second weight is calculated based on the second template of pixels and the second region of pixels. The first weight and the second weight are used in a motion prediction search for a second block.

Abstract: In some embodiments, a method receives a first video and processes frames of the first video to generate a second video. A frame matching process is performed to determine whether frames of the second video and frames of the first video meet a condition that determines whether frames match to generate a new version of the second video and a new version of the first video. A sequence of frames in the new version of the first video is different from the first video. The method compares frames of the new version of the second video and frames of the new version of the first video to generate a score based on a quality metric.

Abstract: A semiconductor device including: a first formation site and a second formation site for forming a first conductive bump and a second conductive bump; when a first environmental density corresponding to the first formation site is greater than a second environmental density corresponding to the second formation site, a cross sectional area of the second formation site is greater than a cross sectional area of the first formation site; wherein the first environmental density is determined by a number of formation sites around the first formation site in a predetermined range and the second environmental density is determined by a number of formation sites around the second formation site in the predetermined range; wherein a first area having the first environmental density forms an ellipse layout while a second area having the second environmental density forms a strip layout surrounding the ellipse layout.

Abstract: A three-in-one RGB mini-LED device includes a substrate, a second electrical semiconductor layer, a plurality of multiple-quantum well layers, a plurality of first electrical semiconductor layers, and a plurality of mirrors. The second electrical semiconductor layer is disposed on the substrate. The plurality of multiple-quantum well layers are disposed on the second electrical semiconductor layer. An area of each of the plurality of multiple-quantum well layers is smaller than an area of the second electrical semiconductor layer, and a region on the second semiconductor layer is not covered by the plurality of multiple-quantum well layers.

Abstract: After inputting input data to a floating pre-trained convolution neural network to generate floating feature maps for each layer of the floating pre-trained CNN model, a statistical analysis on the floating feature maps is performed to generate a dynamic quantization range for each layer of the floating pre-trained CNN model. Based on the obtained quantization range for each layer, the proposed quantization methodologies quantize the floating pre-trained CNN model to generate the scalar factor of each layer and the fractional bit-width of a quantized CNN model. It enables the inference engine performs low-precision fixed-point arithmetic operations to generate a fixed-point inferred CNN model.

Abstract: A semi-supervised machine learning system and method to detect ransomware using low-level hardware information. Employing semi-supervised learning method on performance counter data for anomaly prediction, the system can detect ransomware in real-time with its online detection process.

Abstract: A method for feature extraction and data prediction based on pre-training, includes building a first neural network, inputting first processed data to the first neural network to perform a first training operation to generate a first trained neural network, inputting second processed data to the first trained neural network and fixing a first portion of neurons of the first trained neural network to perform a second training operation to generate a second trained neural network, and inputting third processed data to the second trained neural network to generate a predicted result. A first portion of neurons of the second trained neural network is the same as the first portion of neurons of the first trained neural network.

Abstract: A method for predicting operational indicators includes performing a training operation according to first data to train a demand model, inputting second data into the demand model to generate predicted demand data, collecting actual demand data, and performing an adjustment operation according to the predicted demand data and the actual demand data to update the demand model.

Abstract: An outboard machine includes a housing including a first shell and a second shell detachably connected to the first shell, a control module including a first control member arranged on the first shell and a second control member arranged on the second shell, and a wiring module including a first conductive member arranged on the first shell and electrically connected to the first control member, and a second conductive member arranged on the second shell and electrically connected to the second control member. When the first shell is fixed to the second shell, the first conductive member abuts against the second conductive member. The wiring module of the outboard machine provides a contact way to connect the first control member and the second control member, and the first shell and the second shell can be directly disassembled, which is easy to operate without being limited by operation spaces thereof.

Abstract: The present disclosure provides a method of testing a subject for COVID-19, the method comprising the steps of: obtaining a saliva sample from the subject; diluting the saliva sample with a dilution buffer comprising a base; contacting the diluted saliva sample with one or more loop-mediated isothermal amplification (LAMP) primers that bind regions in the N gene of the SARS-CoV-2 virus to form a test mixture; and analyzing the color of the test mixture. The present disclosure also provides a COVID-19 rapid-test kit comprising one or more components for the collection of a saliva sample from a subject, one or more components for processing of the saliva sample, and one or more components used to interpret the results of the COVID-19 test.

Abstract: In some embodiments, a method transcodes a first location from a spatial region. The first location is associated with a first pattern defining a structure of splitting a location into smaller shapes. A bit string of bits is included for the first pattern in an encoded bitstream. The method determines the first location in the spatial region when the first pattern of the first location can be reused for a second pattern of a second location. The first location is one of a plurality of locations in the spatial region. Information for the second location is included in the encoded bitstream that indicates the first location in the spatial region without including a bit string of bits for the second pattern. The first location allows the bit string of bits for the first pattern to be retrieved for use to decode the second location from the encoded bitstream.

Abstract: In some embodiments, a method receives a file for transcoding. A timing requirement is associated with the transcoding of the file. The method generates a prediction of a timing estimation based on characteristics of the file and a set of target configurations. A target configuration in the set of target configurations is associated with a transcoding setting. The timing estimation is analyzed for the set of target configurations and the timing requirement to determine a transcoding configuration of a transcoding system. The transcoding configuration of the transcoding system is output to configure the transcoding system to transcode the file. The file is to be transcoded using at least a portion of the set of target configurations based on configuring of the transcoding system.

Abstract: Package structures and methods for manufacturing the same are provided. The package structure includes a first bump structure formed over a first substrate. The first bump structure includes a first pillar layer formed over the first substrate and a first barrier layer formed over the first pillar layer. In addition, the first barrier layer has a first protruding portion laterally extending outside a first edge of the first pillar layer. The package structure further includes a second bump structure bonded to the first bump structure through a solder joint. In addition, the second bump structure includes a second pillar layer formed over a second substrate and a second barrier layer formed over the second pillar layer. The first protruding portion of the first barrier layer is spaced apart from the solder joint.

Abstract: A k-cluster residue number system has a processor and a memory. The processor is used to generate an addition and subtraction look-up table and a multiplication look-up table based on periodic behaviors of the modulo to compress the sizes of the addition and subtraction look-up table and the multiplication look-up table. The addition and subtraction look-up table has 2mi cells for recording values from zero to (mi?1) in an ascending order twice, wherein mi is a coprime integer of a modular set of the k-cluster residue number system. The multiplication look-up table has S cells, where S = ( m i 2 - 1 4 ) .

Abstract: A k-cluster residue number system has a processor and memory coupled to the processor. The processor is used to generate a modular set composed of P coprime integers, generate a dynamic range by taking a product of the P coprime integers, generate quotient indices for all integers in the dynamic range, generate row indices for all integers in the dynamic range, generate column indices for all integers in the dynamic range, and generate a look-up table according to the quotient indices, row indices, the column indices, and all integers in the dynamic range. P is an integer greater than 2, and the P coprime integers include 2. The memory is used to store the look-up table.

Abstract: An air purifier includes a body and a control module. The body is provided with a case, a case door arranged on the case and a door lock; the case is provided with at least one filter, at least one ultraviolet lamp and at least one controller capable of being operated; the door lock includes a magnetic reed switch and a lock matched with the magnetic reed switch; the lock is provided with a lock tongue and a magnet forming a magnetic attraction relationship with the magnetic reed switch; and the lock is provided with a first state, in which the magnet is released from the magnetic attraction relationship when the lock tongue is rotated to a specific angle, and a second state when the magnetic attraction relationship of the magnet is not destroyed.