Abstract: Provided is a lightweight infrared sensor that detects a temperature at a portion spaced apart from a circuit substrate with high accuracy, and is installed on the circuit substrate easily and stably. The infrared sensor includes an insulating film; a first and a second heat sensitive elements are disposed on one surface of the insulating film separately; a first conductive film on the insulating film that is connected to the first heat sensitive element; a second conductive film connected to the second heat sensitive element; an infrared reflection film on the other surface of the insulating film so as to face the second heat sensitive element; a plurality of terminal electrodes formed on one end of the insulating film and fitted into an external connector; an edge reinforcing plate adhered to one end of one surface of the insulating film; and a mounting hole that is formed on the other end.

Abstract: A temperature distribution detecting device has a detected temperature acquiring portion that acquires detected temperatures from each individual thermopile array sensor, a temperature difference calculating portion that calculates a temperature difference between detected temperatures, for each combination, between the two thermopile array sensors that structure the combination, a relative error estimating portion that establishes, for each combination, equations indicating the relationships between the relative error between a reference thermopile array sensor selected as a reference from among the thermopile array sensors and each of the thermopile array sensors and temperature differences calculated for each individual combination, and establishes these equations in a system and solving through the least-squares method to estimate the relative errors, and a detected temperature correcting portion that corrects, based on the individual relative errors, the detected temperatures by the individual thermopile

Abstract: A thermal pressure measurement assembly coupled to a rim of an aircraft wheel. A housing is configured to be fastened to a wheel face. An electronics enclosure is positioned in the housing. Electronics are positioned in the electronics enclosure and configured to process a signal received from a remote sensor that measures tire pressure and temperature. Internal insulation is positioned in an interior of the housing. The internal insulation is configured to reduce the temperature of the electronics sufficiently to permit use of low temperature electronics rated to 125 degrees C.

Abstract: A tire temperature and tire pressure wireless sensing device is provided, which includes a housing, a valve body, a power supply module, a circuit board and a transmission antenna. The power supply module is disposed on the fixed seat of the housing, and the circuit board includes a wireless transmission module and a sensing module thereon. The sensing module is disposed corresponding to an air-intake through hole of the bottom seat of the housing. The valve body is engaged with the air-intake through hole and one end of the transmission antenna is disposed in an antenna slot.

Abstract: A clip includes an abutting portion abutting against an outer surface of a case; an insertion hole to which a sensor main body can be inserted; a holding tube through which the sensor main body can pass, and can internally hold an overhanging portion; a leg tube which can be inserted into an attachment hole; and elastic claws sandwiching the case between the abutting portion and the elastic claws. In the abutting portion, at least a pair of ribs is provided, which is positioned respectively in both end portions in a diametrical direction of the abutting portion; protrudes toward the outer surface of the case; and applies a force to the holding tube in a direction bending the abutting portion and narrowing an open end surface when the case is sandwiched between the pair of elastic claws and the ribs.

Abstract: A system and method are provided for estimating interference power at a receiver antenna in a communications systems receiver, in which an interference type signal associated with a received radio signal is detected, an in-band interference power associated with the received radio signal is determined, and an interference power at the antenna is estimated using the determined in-band interference power and the detected interference type. Estimating the interference power at the antenna includes interpolating the determined in-band interference power using scaling factors determined by the interference type signal associated with the received radio signal. The system and method determine in-band carrier power associated with the radio signal based on a channel estimate h(k), and the in-band interference information is based on interference samples I(n).

Abstract: The description herein relates to pilot designs for an Orthogonal Frequency Division Multiplexing (OFDM) based communication system. In at least one embodiment, the communication system is one operating according to the IEEE 802.16m, or WiMax, standard. In general, an OFDM transmitter operates to insert pilot symbols into a resource of a transmit frame according to a predetermined staggered pilot symbol pattern defining pilot symbol locations within the resource of the transmit frame. The predetermined pilot symbol pattern is defined such that pilot symbols are located at or near time boundaries of the resource, at or near frequency boundaries of the resource, or both. By doing so, when generating a channel estimate for the communication channel between the OFDM transmitter and an OFDM receiver based on the pilot symbols, extrapolations needed to estimate the channel near the boundaries of the resource are optimized, thereby improving overall channel estimation accuracy.

Abstract: A cable modem (CM) device captures signals over a wide spectrum including one or more cable frequency bands and sub-bands, and extracts one or more cable channels from the captured signals. The CM device is operable to analyze the extracted one or more cable channels and assigns a portion of the extracted one or more cable channels for upstream and/or downstream communication based on the analysis. The CM device may recapture one or more previously unused cable channels to be utilized for the upstream and/or downstream communication based on the analysis. The CM device may determine noise, interference and/or blocker information corresponding to the extracted one or more cable channels based on the analysis. Based on the determined noise, interference and/or blocker information, the cable modem termination system (CMTS) may assign or block usage of one or more cable channels for the upstream and/or downstream communication.

Abstract: Embodiments of the present invention relate to a method, an apparatus, and a system for digital subscriber line processing. The signal processing method includes: using a symbol in a frame to be sent to bear data to be sent; acquiring the number of remaining symbols that do not bear the data to be sent in the frame to be sent that bears the data to be sent; and adding information about the number of the remaining symbols in the frame to be sent that bears the data to be sent, and sending the frame that bears the data to be sent and is added with the information about the number of the remaining symbols.

Abstract: A signal processing device for a diversity combining radio receiver is disclosed. Said device comprises a plurality of receive branches and a joint detector adapted to determine a joint received symbol based on a combined signal. Said device also comprises a control unit adapted to determine a branch signal error based on the joint received symbol and the input signal of that receive branch. Each receive branch further comprises an adaptive filter. The control unit is adapted to update the coefficients of the adaptive filter of each receive branch based on a weighted signal error combination, wherein weight of the weighted signal error combination is selected based on channel conditions. A corresponding diversity combining radio receiver, a corresponding electronic apparatus, a corresponding method, a corresponding computer program product, and a corresponding computer readable medium are also disclosed.

Abstract: Certain aspects of the present disclosure relate to a technique for pilot based inter-carrier interference (ICI) cancellation in time-varying channel environments, such as wireless mobile broadband systems based on Orthogonal Frequency Division Multiplexing (OFDM).

Abstract: A method and device are provided for measuring impulse noise in a signal. The method includes: measuring at least one first signal; converting the first signal in the frequency domain; defining a variable-frequency triggering threshold on the basis of stationary characteristics of the first signal; measuring a second signal; converting the second signal in the frequency domain; storing the second signal when the second signal reaches or passes the triggering threshold; and high-pass-filtering the stored signal.

Abstract: The present technology relates to a channel estimator configured to operate based on a discrete wave channel model and measured channel responses between a transmitter having at least one transmit antenna and a receiver having at least one receive antenna. The channel estimator comprises a windowed likelihood determiner and a maximization processor. The windowed likelihood determiner is configured to determine a windowed likelihood function based on the measured channel responses, a selected window function, and modeled channel responses defined based on a number of discrete waves according to the discrete wave channel model. The maximization processor is configured to perform maximization of the windowed likelihood function, using initial input in the form of at least one of predetermined wave propagation delay(s) and predetermined wave propagation direction(s) for at least one of the discrete waves, to extract the wave parameters of the discrete waves.

Abstract: A method includes receiving a signal including a co-channel interference, channel equalizing the received signal and processing the channel equalized signal based on a first precoding vector such that the co-channel interference is mitigated.

Abstract: A clock data recovery circuit includes an equalizer, a multi-phase clock generator, a sampling and check unit, a signal edge detection unit and an adjusting unit. The equalizer performs an equalization on an incoming data signal. The multi-phase clock generator generates multiple clock signals and at least one pair of check signals. The sampling and check unit samples the incoming data signal according to the clock signals to obtain a sequence, and checks whether the sequence matches a predetermined pattern. If so, the signal edge detection unit controls the sampling and check unit to detect a transition between values of the sequence two on two based on the pair of check signals to obtain a detection value. The adjusting unit determines whether the transition is too early or too late according to the detection value, and adjusts the equalization on the incoming data signal according to the determination result.

Abstract: Systems, methods, and devices are disclosed that code a supplemental enhancement information (SEI) message. In some examples, the SEI message may contain an identifier of an active video parameter set (VPS). In some examples, the identifier may be fixed-length coded.

Abstract: Disclosed is a method and apparatus for encoding adaptive-loop filter (“ALF”) coefficients. An encoder or decoder codes the ALF coefficients by using k-variable Exp-Golomb codewords where k is larger than 0, and k is the same for each coefficient. This eliminates the need for a k-parameter mapping table.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding reconstructed base layer of the video information. The processor determines a Most Probable Mode (MPM) list associated with the difference video layer based on the characteristics of the difference video layer, and determines a value of a current video unit based on the difference video layer and the MPM list.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines a DC prediction value for a video unit associated with the difference video layer while refraining from using pixel information from a neighboring area of the video unit, wherein the DC prediction value is equal to zero or is offset by an offset value. The DC prediction value is a prediction value used in intra prediction based at least on an average of neighboring video units of the video unit. The processor further determines a value of the video unit based at least in part on the DC prediction value.

Abstract: In one embodiment, a video bitstream is received at a video processing device. The bitstream may be decoded by the video processing device to produce a first picture data and a second picture data. The decoded first picture data and decoded second picture data may be stored in a decoded picture buffer. The first decoded picture data has a corresponding first picture rate and the second decoded picture data has a corresponding second picture rate. Auxiliary information corresponding to the bitstream may be received for the first picture data and second picture data at the video processing device. The decoded first picture data stored in the decoded picture buffer may be processed by the video processing device based on the received auxiliary information. The decoded first picture data may be processed based on the auxiliary information to produce a version of the first picture data at the second picture rate, the second picture rate being different from the first picture rate.

Abstract: Methods and systems are disclosed for a mobile device to decode video based on available power and/or energy. For example, the mobile device may receive a media description file (MDF) from for a video stream from a video server. The MDF may include complexity information associated with a plurality of video segments. The complexity information may be related to the amount of processing power to be utilized for decoding the segment at the mobile device. The mobile device may determine at least one power metric for the mobile device. The mobile device may determine a first complexity level to be requested for a first video segment based on the complexity information from the MDF and the power metric. The mobile device may dynamically alter the decoding process to save energy based on the detected power/energy level.

Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.

Abstract: Provided are image transform/inverse transform methods and apparatuses. The image transform method substitutes a trigonometric function which is included in a discrete cosine transform (DCT) matrix with a rational number, and uses a scaling matrix in a scaling process that is performed in conjunction with quantization, in order to minimize a transform error due to the substituted DCT matrix.

Abstract: Apparatuses and techniques relating to encoding a video are provided. An encoding device includes a motion coding module configured to determine a coding block level for processing an image data, and further configured to determine a block formation for a motion coding of the image data according to the coding block level; and a texture coding module configured to determine a block size for a texture coding of the image data according to the block formation to thereby generate a coded bit stream.

Abstract: An apparatus for adapting media content in one or more networks includes a controller module, one or more network interface modules, and one or more protocol interface modules coupled to the controller module. The apparatus also includes a script interpretation module coupled to the controller module and one or more media adaptation modules coupled to the controller module. The one or more media adaptation modules may support audio, video, or meta data. The apparatus further includes a management interface module coupled to the controller module. Media may be received at the apparatus as streaming media and be provided from the apparatus as a download or a progressive download. Additionally, media may be received at the apparatus as a download or progressive download and be provided from the apparatus as streaming media.

Abstract: An image coding method includes: deriving a candidate for a motion vector predictor from a neighboring motion vector; adding the candidate to a list; selecting a motion vector predictor from the list; coding a current block; and coding a current motion vector. In the deriving, the candidate is derived according to a first derivation scheme when each of a current reference picture and a neighboring reference picture is determined to be a long-term reference picture, and the candidate is derived according to a second derivation scheme when each of a current reference picture and a neighboring reference picture is determined to be a short-term reference picture.

Abstract: A method of encoding video data using soft decision quantization makes use of iterative encoding to provide the ability to optimize encoding across different functional elements in a hybrid video encoder. Iterative encoding is used to allow quantization step size, motion prediction and quantization levels to be optimized despite their interrelated nature.

Abstract: An example system can comprise a memory to store machine readable instructions. The system can also comprise a processing unit to execute the machine readable instructions. The machine readable instructions can a server can comprise a codec selector to dynamically partition a video stream into a plurality of partitions based on graphical elements of the video stream, such that a given frame of the video stream is divided into the plurality of partitions. The codec selector can also select a plurality of different codecs to compress the plurality of partitions based on the graphical elements of the video stream.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines an enhancement layer weight and a base layer weight, and determines a value of a current video unit based on the difference video layer, a value of a video unit in the enhancement layer weighted by the enhancement layer weight, and a value of a video unit in the base layer weighted by the base layer weight.

Abstract: Signaling of layer dependency and/or priority of dependent layers in a video parameter set (VPS) may be used to indicate the relationship between an enhancement layer and its dependent layers, and/or prioritize the order of the dependent layers for multiple layer scalable video coding of HEVC for inter-layer prediction. A method may include receiving a bit stream that includes a video parameter set (VPS). The VPS may include a dependent layer parameter that indicates a dependent layer for an enhancement layer of the bit stream. The dependent layer parameter may indicate a layer identification (ID) of the dependent layer. The VPS may indicate a total number of dependent layers for the enhancement layer. The VPS may include a maximum number of layers parameter that indicates a total number of layers of the bit stream. The total number of dependent layers for the enhancement layer may not include the enhancement layer.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines a value of a video unit based on the difference video layer. The processor is further configured to refrain from performing a transform and residual coding of the determined value of the video unit.

Abstract: Several systems and methods for intra-prediction estimation of video pictures are disclosed. In an embodiment, the method includes accessing four ‘N×N’ pixel blocks comprising luma-related pixels. The four ‘N×N’ pixel blocks collectively configure a ‘2N×2N’ pixel block. A first pre-determined number of candidate luma intra-prediction modes is accessed for each of the four ‘N×N’ pixel blocks. A presence of one or more luma intra-prediction modes that are common among the candidate luma intra-prediction modes of at least two of the four ‘N×N’ pixel blocks is identified. The method further includes performing, based on the identification, one of (1) selecting a principal luma intra-prediction mode for the ‘2N×2N’ pixel block and (2) limiting a partitioning size to a ‘N×N’ pixel block size for a portion of the video picture corresponding to the ‘2N×2N’ pixel block.

Abstract: Systems, methods, and instrumentalities are provided to implement video coding system (VCS). The VCS may be configured to receive a video signal, which may include one or more layers (e.g., a base layer (BL) and/or one or more enhancement layers (ELs)). The VCS may be configured to process a BL picture into an inter-layer reference (ILR) picture, e.g., using picture level inter-layer prediction process. The VCS may be configured to select one or both of the processed ILR picture or an enhancement layer (EL) reference picture. The selected reference picture(s) may comprise one of the EL reference picture, or the ILR picture. The VCS may be configured to predict a current EL picture using one or more of the selected ILR picture or the EL reference picture. The VCS may be configured to store the processed ILR picture in an EL decoded picture buffer (DPB).

Abstract: Methods and apparatus are provided for geometric-based intra prediction. An apparatus includes a video encoder for encoding picture data for at least a portion of a block in a picture by detecting a local geometric pattern in a surrounding area with respect to the portion, and performing at least one of interpolation and extrapolation with respect to an edge direction of the local geometric pattern to generate an intra prediction for the portion.

Abstract: An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame.

Abstract: A video image encoding device, in a first mode, variable-length-encodes a residual coefficient to generate a coefficient code string, outputs the coefficient code string and the header information in a state in which the header information is associated with the coefficient code string, in a second mode, directly uses a differential image as a coefficient code string without variable-length-encoding the differential image, and outputs the coefficient code string and the header information in a state in which the header information is associated with the coefficient code string.

Abstract: An image decoding method is provided which includes a time information determination step of determining time information of a current picture, a first reference picture referred to by the current picture and a second reference picture referred to by the current picture; a scaling parameter calculation step of calculating a scaling parameter based on a time distance between the first reference picture and a second reference picture; a weighting coefficient determination step of determining two weighting coefficients based on the scaling parameter; a predictive pixel value generation step of generating a predictive pixel value of the current picture by scaling a pixel value of the first reference picture and a pixel value of the second reference picture using the two weighting coefficients determined in the weighting coefficient determination step; and a decoding step of decoding the current picture using the predictive pixel value.

Abstract: An image processing apparatus including a processor and a memory is provided. The processor generates a target frame according to a reference frame stored in a storage region. The target frame has a first image data amount, and the reference frame has a second image data amount. The memory includes the storage region for storing the reference image and the target image. The processor has the target frame selectively overwrite a part of the reference frame. The capacity of the storage region is smaller than a sum of the first image data amount and the second image data amount, and is greater than the second image data amount.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines a value of a video unit based on a reference video unit or spatial neighboring video unit within the difference video layer and applies a smoothing filter to the reference video unit or spatial neighboring video unit.

Abstract: Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame in the sequence as an equal average of brightness values of pixels in non-bidirectionally predicted frames bracketing the sequence of bi-directionally predicted intermediate frames. The brightness values of the pixels in at least one of the non-bidirectionally predicted frames is converted from a non-linear representation.

Abstract: Systems and methods may provide for the detection, location, and processing of static pixels during video processing. In one example, the method may include determining if a color component value of a pixel located at a pixel location remains constant between a first frame and a next frame, determining if the pixel is a low-difference pixel, calculating a motion-compensation error of the color component, determining if the motion compensation error of the color component is large, and generating a map of static pixels including the pixel.

Abstract: A motion compensation image processing apparatus includes an external memory, a cache, a motion compensation module, a determination module and a fetching module. The external memory stores a reference frame associated with an image block. The motion compensation module sequentially performs motion compensation on a previous image block and the image block. When the motion compensation module performs motion compensation on the previous image block, the determination module determines a motion vector relative to the reference frame. Before the motion compensation module performs motion compensation on the image block, the fetching module fetches a reference region, corresponding to the motion block, in the reference frame from the external memory to the cache.

Abstract: A moving image encoding apparatus comprising a calculation unit configured to calculate an expected occupation amount of a virtual buffer when a picture contained in a generated encoded stream is held for decoding processing, and a code amount control unit configured to control a generated code amount in an encoding unit based on information of the occupation amount, wherein every time a predetermined group of pictures in the encoded stream starts, the calculation unit sets a virtual buffer having an initial value, and updates the occupation amount of the virtual buffer based on a size of the picture contained in the encoded stream, and the generated code amount is compared with a smallest occupation amount of the plurality of virtual buffer occupation amounts, and controls the generated code amount not to exceed the smallest occupation amount.

Abstract: There is provided a digital signal processing method which includes a method of adaptive local correction of illumination change of reference frame for multi-view video sequence encoding, comprising following stages: calculating a parameter of correction of illumination using pixels neighboring a currently decoded block and pixels neighboring a reference block; performing correction of illumination for the reference block using the parameter of correction of illumination; decoding the currently decoded block using the illumination-corrected reference.

Abstract: A method for coding a current block using a parametric motion model whose parameters are defined from the motion data of the causal neighbourhood is disclosed. Specifically, the method for coding the current block comprises the following steps: determine a prediction block of the current block from a motion model defined by a set of parameters, the model associating a motion vector pointing at a pixel of a prediction block with each pixel of the current block. calculate a residual block between the current block and the prediction block, and code the residual block. According to the invention, the parameters of the motion model are determined from the motion data associated with the causal neighbourhood blocks of the current block. Therefore, they can be deducted from parts of images already coded and do not need to be incorporated in the image data stream.

Abstract: A method includes performing a hierarchal motion estimation operation to generate an interpolated frame from a first frame and a second frame, the interpolated frame disposed between the first frame and the second frame, said hierarchal motion estimation including performing two or more process iterations, each iteration including: (a) performing an initial bilateral motion estimation operation on the first frame and the second frame to produce a motion field comprising a plurality of motion vectors, (b) performing a motion field refinement operation for the plurality of motion vectors, (c) performing an additional bilateral motion estimation operation on the first frame and the second frame and (d) repeating steps (b) through (c) until a stop criterion is encountered.

Abstract: An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate the detected error block through a median filter, and output the compensated image frame.

Abstract: According to one embodiment, disclosed is a method of dividing an input image signal into pixel blocks, and performing inter-prediction on the divided pixel blocks. This method includes selecting predicted motion information from a motion information buffer storing motion information in an encoded region, and predicting motion information of an encoding target block by using the predicted motion information. The method further includes acquiring representative motion information from a plurality of items of motion information in an encoded region in accordance with first information indicating a method of selecting the predicted motion information, thereby obtaining only the representative motion information.

Abstract: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit stores difference video information associated with a difference video layer of pixel information derived from a difference between an enhancement layer and a corresponding base layer of the video information. The processor determines pixel accuracy of motion predictor information, determines a motion vector based on the pixel accuracy of the motion predictor information, and determines a value of a video unit based at least in part on the motion vector.

Abstract: A decoding apparatus according to the present invention includes: a decoding unit which decodes identification information identifying an orthogonal transform basis for inverse orthogonal transform; an orthogonal transform basis accumulation unit accumulating orthogonal transform bases for inverse orthogonal transform; an orthogonal transform basis storage unit storing an orthogonal transform basis for inverse transform, from among the stored orthogonal transform bases; an inverse orthogonal transform unit which performs inverse orthogonal transform using the identified orthogonal transform basis; and an orthogonal transform basis transfer control unit which transfers the identified orthogonal transfer basis from the orthogonal transform basis accumulation unit to the orthogonal transfer basis storage unit only when the identified orthogonal transform basis is not yet stored therein.