Abstract: A method for encoding/decoding an image and a device therefor are disclosed.

Abstract: A system, a method, and a computer program product for transmission of data using a multiple input, multiple output communications system with hybrid beamforming in a layer 1 split architecture. A first portion of a signal is processed at a first portion of a physical layer located in a first portion of a base station. A frequency domain compression with statistical multiplexing is applied to the processed first portion of the signal. A compressed first portion of the signal is generated. The compressed first portion of the signal and a second portion of the signal are transmitted to a second portion of the physical layer located in a second portion of the base station.

Abstract: A method and apparatus for transmitting and receiving content is provided. A method for transmitting content in a transmitter includes generating a file with one or more packages including at least one asset, and transmitting the generated file to a terminal.

Abstract: A content streaming system and methodology for facilitating the management of adaptive bitrate streaming bundles in content streaming. The management of the adaptive bitrate streaming bundles can include the utilization of an efficiency matrix that associates meta-data associated with the delivery of content streaming data with available bitrate encodings or bitrate/format combinations. The adaptive bitrate streaming bundles can be sent and managed at edge locations in the network. The content streaming system can then manage bitrate manifests to dynamically change encoding bitrates or bitrate/format combinations offered to clients based on network conditions, client attributes, content attributes, and the like.

Abstract: For example, 120 Hz display can be favorably performed on a reception side even in the case of encoding and transmitting moving image data of 24 Hz at the frame rate of 60 Hz. A video stream of a second frame rate larger than a first frame rate is obtained by encoding each picture constituting moving image data of the first frame rate at the second frame rate. Identification information indicating a synchronization relationship between the first frame rate and display start timing is inserted into encoded image data of each picture constituting the video stream of the second frame rate. The video stream of the second frame rate in which the identification information is inserted is transmitted.

Abstract: A method for processing a prediction unit (PU) to generate predicted samples is provided that includes computing predicted samples for samples of the PU using sample-based angular intra-prediction (SAP) when lossless coding is enabled for the PU, and computing predicted samples for the samples of the PU using block-based angular intra-prediction when lossless coding is not enabled for the PU. Computation of the predicted using SAP includes determining an intra-prediction angle for the PU, and computing a predicted sample for each sample of the samples in the PU based on linear interpolation of two reference samples adjacent to the sample, wherein the two reference samples are selected according to the intra-prediction angle.

Abstract: A packet-based video network including: two or more video data sources, each configured to launch video data packets onto the network as multicast data packets each associated with a multicast group identifier corresponding to that video data source; and a video data destination configured to receive and process video data from a video data source by joining a multicast group corresponding to that video data source, and execute a switching operation to switch from receiving video data from a first video data source to receiving video data from a second video data source by leaving a multicast group of the first video data source and joining a multicast group of the second video data source. The video data destination is configured to process video data corresponding to a video frame which, at end of a frame period, represents a most recently received video frame from the first video data source.

Abstract: The invention provides a circuit structure sharing the same memory, where the circuit structure includes a first volatile memory, a system chip and a signal processing chip. The system chip is connected to the first volatile memory via a first connection interface. The signal processing chip is connected to the system chip via a second connection interface. A memory controller is disposed in the system chip and connected to the first connection interface and the second connection interface. The signal processing chip transmits a first access command to the memory controller via the second connection interface, and the memory controller accesses the first volatile memory via the first connection interface according to the first access command and transmits the access result of the first access command to the signal processing chip via the second connection interface.

Abstract: A video packaging and origination service can include one or more encoder components that receive content for encoding and transmitting to requesting entities. During the operation of the encoder components, individual encoders receive input signals for encoding and determine quality metric information related to the generation of an encoded segment. The encoder components exchange quality metric information and an encoder component is selected to transmit an encoded segment. The selection of an individual encoder component per segment can continue throughout the streaming process.

Abstract: A frame rendering method used in a head-mounted device that includes the steps outlined below. Input frames are received. First and second orientation information corresponding to a first and a second input frames are retrieved from a motion sensor. Predicted orientation information of a predicted orientation corresponding to a target time spot is generated according to the first and the second orientation information. Orientation calibration is performed on the first and the second input frames according to the first and the second orientation information to respectively generate a first and a second calibrated frames corresponding to the predicted orientation. One of a plurality of extrapolated frames corresponding to the target time spot is generated according to the first calibrated frame and the second calibrated frame.

Abstract: Generating a reconstructed may include reading a binary codeword corresponding to a transform coefficient for a sub-block of a transform unit, the transform coefficient having a quantized value, identifying a value of a parameter variable as zero in response to a determination that the transform coefficient is a first transform coefficient for the sub-block, and otherwise as an updated parameter variable value, converting the binary codeword into a symbol based on the value of the parameter variable, determining the absolute value of the transform coefficient corresponding to the symbol, wherein the quantized value for the transform coefficient is equal to or greater than a threshold value, by adding the threshold value to the symbol, including the transform coefficient in the sub-block of the transform unit, and generating a portion of the reconstructed frame based on the transform 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: A computer-implemented method and systems are provided for performing machine learning for an image classification task. The method includes selecting, by a processor operatively coupled to one or more databases, a first and a second image from one or more training sets in the one or more databases. The method further includes overlaying, by the processor, the second image on the first image to form a mixed image, by averaging an intensity of each of a plurality of co-located pixel pairs in the first and the second image. The method also includes training, by the processor, a machine learning process configured for the image classification task using the mixed image to augment data used by the machine learning process for the image classification task.

Abstract: Techniques related to intra video frame or image coding using wavelets and High Efficiency Video Coding (HEVC) are discussed. Such techniques may include wavelet decomposition of a frame or image to generate subbands and coding the subbands using compliant and/or modified HEVC coding techniques.

Abstract: A system and method of forming entropy coding groups in an entropy encoder operating in a transform mode includes receiving a block of a first number of quantized transform coefficients as a current block of sample values and evaluating the current block of sample values using one or more grouping factors. In response to a determination that the current block meets a first grouping condition, a first grouping method is selected where the first grouping method forms a first entropy coding group with one sample value of a DC transform coefficient. In response to a determination that the current block meets a second grouping condition, a second grouping method is selected where the second grouping method forms a first entropy coding group with at least two sample values, one of the sample values being the DC transform coefficient.

Abstract: The present disclosure relates to an image processing device and method that can suppress deterioration of the picture quality by encoding. The image processing device includes a decoding unit configured to decode encoded data obtained by lossy encoding an image of a frame encoded already which is used as a reference image in encoding of an image of a current frame and perform rounding of a decoded image obtained by the decoding with a rounding value whose value is changed over in a time direction of the image. The present disclosure can be applied, for example, to an image processing device, an image encoding device or the like.

Abstract: The present invention relates to audio coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR). A system and a method for generating a high frequency component of a signal from a low frequency component of the signal is described. The system comprises an analysis filter bank providing a plurality of analysis subband signals of the low frequency component of the signal. It also comprises a non-linear processing unit to generate a synthesis subband signal with a synthesis frequency by modifying the phase of a first and a second of the plurality of analysis subband signals and by combining the phase-modified analysis subband signals. Finally, it comprises a synthesis filter bank for generating the high frequency component of the signal from the synthesis subband signal.

Abstract: In general, techniques are described by which to perform perceptual audio coding as sequential decision making problems. A source device comprising a memory and a processor may be configured to perform the techniques. The memory may store at least a portion of the audio data. The processor may apply a filter to the audio data to obtain subbands of the audio data. The processor may adapt a controller according to a machine learning algorithm, the controller configured to determine bit distributions across the subbands of the audio data. The processor may specify, based on the bit distributions and in a bitstream representative of the audio data, one or more indications representative of the subbands of the audio data, and output the bitstream via a wireless connection in accordance with a wireless communication protocol.

Abstract: A method including receiving, by a radio equipment control (REC) device of a wireless communication system over an interface link, time domain compressed data from a radio equipment (RE) device at a first data transmission rate. The method further including transforming, by the REC device, the time domain compressed data to frequency domain decompressed full rate data for a second transmission data rate utilizing a Fast Fourier processing engine of the REC device.

Abstract: A video coding device includes processor(s) configured to determine, for each of a plurality of bins of a value for a syntax element of a current transform coefficient, contexts using respective corresponding bins of values for the syntax element of previously coded transform coefficients. The processor(s) are configured to determine a context for an ith bin of the value for the syntax element of the current transform coefficient using a corresponding ith bin of a value for the syntax element of a previously coded transform coefficient. To use the corresponding ith bin of the value for the syntax element of the previously coded transform coefficient, the processor(s) are configured to use only the ith bin, and no other bins, of the value for the syntax element of the previously coded transform coefficient. ‘i’ represents a non-negative integer.

Abstract: A system and method enhance the user experience in a digital radio by reducing the service switching time between frequencies. The system includes a digital radio transmitter to transmit digital data in a digital radio broadcast standard. The digital radio transmitter includes a first service channel to carry basic service selection information and a second service channel to carry information required for decoding. The digital radio transmitter includes a main service channel to transmit digital audio services and data services. A central server stores information channel data of all digital radio stations. A digital radio receiver stores the first service channel and the second service channel information of all frequencies other than the currently tuned frequency to the receiver internal storage and uses the stored information for demodulating and decoding at the time of service switching between frequencies.

Abstract: Techniques described herein include systems and methods for enhancing content consumption experiences by synchronizing one or more devices to add immersive environmental effects to an area. In embodiments, a database of device capabilities and device identifiers for a plurality of devices associated with a location may be maintained. Information may be obtained that identifies that a particular portion of content has been consumed. Metadata associated with the particular portion of content may be identified based at least in part on the information and the database. The metadata may comprise definitions for providing environmental stimuli to the location where the environmental stimuli may correspond to the particular portion of content. Environmental stimuli may be presented within the location by invoking application programming interface calls for a portion of devices of the plurality of devices based on identifying the metadata and the device identifiers for the portion of devices.

Abstract: Techniques are disclosed for developing quantization matrices for use in video coding. According to these techniques a first quantization matrix may be derived from a second quantization matrix by scaling quantization values of the second quantization matrix by scaling parameters. The scaling parameters may increase according to distance between each matrix position and a matrix origin, they may be derived from characteristics of a video sequence to be coded, or both. The first quantization matrix may be communicated to a decoder. Thereafter, a video sequence may be coded predictively. As part of the coding, pixel data of the video sequence may be transformed to a plurality of frequency domain coefficients, and the frequency domain coefficients may be quantized according to the first quantization matrix.

Abstract: The present technology relates to a transmission device, a transmission method, a reception device, a reception method, and a program that allow to make a change dynamically in time stamps which are already transmitted. The transmission device transmits time stamps in a same MPU in which a change is made from already transmitted time stamps so that the time stamps can be received before decoding is started. When the time stamps in the same MPU including the change are received, the reception device updates the time stamps in a time stamp memory and can dynamically change the time stamps since decoding is performed according to the updated time stamps. The present technology can be applied to the transmission device and the reception device.

Abstract: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit for decoding a picture of the encoded video, and encoding information about a coded depth and an encoding mode for coding units of the picture, wherein the size of the maximum coding unit is a maximum size of a coding unit which is a data unit for decoding the picture; and determining a hierarchical structure of the maximum coding unit and the coding units into which the picture is divided according to depths, and decoding the picture based on the coding units, by using the information about the size of the maximum coding unit and the encoding information about the coded depth and the encoded mode.

Abstract: Downsampled video content is generated in a subsampling color space from linearized video content in the subsampling color space. The linearized video content represents a first spatial dimension, whereas the downsampled video content represents a second spatial dimension lower than the first spatial dimension. Opponent channel data is derived in a transmission color space from the downsampled video content. Output video content is generated from luminance data in the linearized video content and the opponent channel data in the transmission color space. The output video content may be decoded by a downstream recipient device to generate video content in an output color space.

Abstract: A binaural decoder for an MPEG surround stream, which decodes an MPEG surround stream into a stereo 3D signal, and a decoding method thereof. The method includes dividing a compressed audio stream and head related transfer function (HRTF) data into subbands, selecting predetermined subbands of the HRTF data divided into subbands and filtering the HRTF data to obtain the selected subbands, decoding the audio stream divided into subbands into a stream of multi-channel audio data with respect to subbands according to spatial additional information, and binaural-synthesizing the HRTF data of the selected subbands with the multi-channel audio data of corresponding subbands.

Abstract: The present invention relate to methods and codecs for image and video compression. Embodiments of the present invention include a novel shape-adaptive model-based codec (SAM) that supports binary shapes as well as matte and soft segmentation image compression by decomposing input shapes into deterministic and stochastic components for flexible lossy and lossless coding. The present invention can provide inter/intra prediction and flexibly adapts between lossy and lossless modes with various parameters for compression quality control. The compression module can also be adapted with numerous other compression techniques.

Abstract: In a picture coding device, a significant coefficient information coding controller 706 and an arithmetic encoder 701 code significant difference coefficient information indicating that a difference coefficient value is not zero and significant for each of the difference coefficients in the partial region of the coding target. A difference coefficient value coding controller 707 and the arithmetic encoder 701 code difference coefficient values when significant difference coefficient information is significant for each of pixels in the partial region of the coding target. The significant coefficient information coding controller 706 decides a context for coding the significant difference coefficient information in the partial region of the coding target based on information indicating significance of the difference coefficient in the coded partial region.

Abstract: A computer-implemented method to detect and reduce feedback in an audio signal is disclosed. The method may include obtaining an audio signal. The method may further include separating the audio signal into a plurality of frequency bands. The method may also include, for each frequency band of the plurality of frequency bands, determining whether the frequency band includes feedback. The method may further include, for each frequency band determined to include feedback, attenuating the frequency band. The method may also include combining each frequency band of the plurality of frequency bands to produce an output audio signal.

Abstract: Systems and methods are disclosed for coding images. For example, methods may include: receiving an encoded bitstream that was generated at least in part by applying a sharpening filter to an input image to obtain a sharpened image and applying a blockwise encoder to the sharpened image; decoding, using a blockwise decoder, data from an encoded bitstream to obtain a plurality of blocks of image data; combining the plurality of blocks of image data to form a blocked image; and applying a blurring filter, which is matched to the sharpening filter, to the blocked image to obtain an output image.

Abstract: A method for efficient frame loss recovery and reconstruction (EFLRR) in a dyadic hierarchy is described herein. The method includes obtaining a current frame of a group of pictures. The method also includes calculating a Dyadic Hierarchy Picture Index difference based on a layer information in response to a prior frame missing in the group of pictures. Finally, the method includes decoding the current frame in response to a determined frame continuity based on the Dyadic Hierarchy Picture Index difference.

Abstract: In an outphasing radio frequency (RF) transmitter, detecting differences of a first plurality of signal characteristics of a first plurality of amplified RF signals across at least a transmitter antenna or a plurality of load impedances, wherein the first plurality of amplified RF signals correspond to a first plurality of constant-envelope signals, and controlling generation of a second plurality of constant-envelope signals on a plurality of transmission paths. The second plurality of constant-envelope signals are generated based on the detected differences of the first plurality of signal characteristics. At least one of first calibrating or second calibrating, a second plurality of signal characteristics of the second plurality of constant-envelope signals. The first calibrating and the second calibrating are based on the controlled generation of the second plurality of constant-envelope signals.

Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). Disclosed is a method for operating a BS for supporting mixed numerology in a wireless communication system. The method includes: generating a first signal for a first group and a second signal for a second group according to different configurations; and transmitting the first signal through a first channel allocated for the first group and the second signal through a second channel allocated for the second group.

Abstract: Methods and apparatus for providing delivery of content to client devices of a network via both multicast and unicast mechanisms. In one embodiment, a system for use in a managed content delivery network is described to bridge multicast to unicast, so that the total network bandwidth consumption is significantly lower than a corresponding unicast-only delivery solution, yet which still provides improved quality of service and user viewing experience as compared to a multicast-only delivery solution. In addition, various exemplary aspects of the present disclosure are readily adapted for real-time multicast to unicast streaming of audio and data to, among other things, minimize network bandwidth usage, while maintaining the guaranteed delivery of unicast streams with little or no modification to the existing client device logic.

Abstract: An audio signal synthesizer generates a synthesis audio signal having a first frequency band and a second synthesized frequency band derived from the first frequency band and comprises a patch generator, a spectral converter, a raw signal processor and a combiner. The patch generator performs at least two different patching algorithms, each patching algorithm generating a raw signal. The patch generator is adapted to select one of the at least two different patching algorithms in response to a control information. The spectral converter converts the raw signal into a raw signal spectral representation. The raw signal processor processes the raw signal spectral representation in response to spectral domain spectral band replication parameters to obtain an adjusted raw signal spectral representation.

Abstract: Systems, methods, and storage media for audio processing adapted to voice encoding/decoding are disclosed. In some implementations, a system is adapted to determine prediction coefficients based on coefficient data included within a bitstream to determine quantized prediction coefficients, the coefficient data including one or more model parameters indicating at least one attribute of a signal model. The system inversely quantizes the quantized prediction coefficients to determine dequantized prediction coefficients. The system then determines multiple spectral energy values for multiple corresponding frequency bands based on the dequantized prediction coefficients.

Abstract: An apparatus for use in a medical procedure includes: a camera configured for attachment to a patient, wherein the camera is configured to detect one or more markers outside and away from the patient; and a processing unit configured to receive an input image from the camera, and to process the input image to monitor a position of a target associated with the patient during the medical procedure. An apparatus for use in a medical procedure includes: a camera configured for attachment to a patient support, wherein the camera is configured to detect one or more markers outside and away from the patient support; and a processing unit configured to receive an input image from the camera, and to process the input image to determine a position associated with the patient support during the medical procedure.

Abstract: A camera system processes images based on image luminance data. The camera system includes an image sensor, an image pipeline, an encoder and a memory. The image sensor converts light incident upon the image sensor into raw image data. The image pipeline converts raw image data into color-space image data and calculates luminance levels of the color-space image data. The encoder can determine one or more of quantization levels, determining GOP structure or reference frame spacing for the color-space image data based on the luminance levels. The memory stores the color-space image data and the luminance levels.

Abstract: A computer-implemented method to reduce noise in an audio signal is disclosed. The method may include obtaining an audio signal and separating the audio signal into frequency components in each of multiple frequency bands. The method may include obtaining a first magnitude threshold for a first frequency band of the plurality of frequency bands. The method may include calculating a first envelope of first frequency components in the first frequency band during a first time frame and a second envelope of the first frequency components during a second time frame after the first time frame. The method may include, in response to a difference between the first envelope and the second envelope of the first frequency band being less than the first magnitude threshold, attenuating the first frequency components. The method may include combining the frequency components, including the attenuated first frequency components, to produce an output audio signal.

Abstract: A computer-implemented method and systems are provided for performing machine learning for an image classification task. The method includes selecting, by a processor operatively coupled to one or more databases, a first and a second image from one or more training sets in the one or more databases. The method further includes overlaying, by the processor, the second image on the first image to form a mixed image, by averaging an intensity of each of a plurality of co-located pixel pairs in the first and the second image. The method also includes training, by the processor, a machine learning process configured for the image classification task using the mixed image to augment data used by the machine learning process for the image classification task.

Abstract: Approaches for allocating bit rates to multiple digital video streams. Bit rates may be allocated to digital video streams by permitting any unit of digital video carried by the digital video streams to be a member of a set of digital content that is constrained by a sum of bit rates assigned to members of the set. To do so, a first set of bit rates to assign to each of the digital video streams is determined. Thereafter, a second set of bit rates to assign to each shared unit of digital video, which appears in two or more of the digital video streams, is determined. This may involve identifying the lowest bit rate assigned to each shared unit of digital video across the two or more bit rate pools. A remaining bit rate allotment is allocated to non-shared units of digital video within the digital video streams.

Abstract: A method and apparatus for decoding video. The method includes determining a sample adaptive offset edge type of at least a portion of the image, determining a boundary edge type of the at least a portion of the image, modifying the sample adaptive offset edge type of the at least a portion of the image according to the determined edge type of the at least a portion of the image, selecting a sample adaptive offset type according to at least one of the determined sample adaptive offset edge type or the modified sample adaptive offset edge type, and filtering at least a portion of the image utilizing the selected filter type.

Abstract: Technology is described herein for encoding and decoding data. A codeword may be divided into two sub-codewords. A first sub-codeword may be used for data bits and associated parity bits. A second sub-codeword may be used for mode sub-codeword. In one embodiment, the alignments bits are used for the mode sub-codeword. The mode sub-codeword stores mode information, in one aspect. The mode information may indicate how the first sub-codeword should be decoded. The mode information includes a normal mode and a special mode. The format and size of the first sub-codeword may vary depending on the mode. The first sub-codeword may be substantially smaller for the special mode. This can be used to vastly reduce the time needed to initialize memory.

Abstract: A system can include a digital oversampler configured to oversample an input data stream; a rate generator configured to select a frequency that is not less than an expected frequency of the input data stream; a rate generator clock of the rate generator configured to output a clock signal that has the selected frequency; a sample receiver configured to receive at least one sample of the input data stream from the digital oversampler; a sample counter configured to be incremented by each received sample responsive to a determination that the sample receiver has received at least one sample of the input data stream from the digital oversampler; a sample rate converter configured to accumulate samples from the sample receiver at the rate of a “toothless” clock signal, wherein the sample counter is configured to be decremented by the “toothless” clock signal at the selected frequency responsive to a determination that the sample receiver has not received at least one sample of the input data stream from the digi

Abstract: The lossless coding method includes selecting one of a first coding method and a second coding method, based on a range in which a quantization index of energy is represented, and coding the quantization index by using the selected coding method. The lossless decoding method includes determining a coding method of a differential quantization index of energy included in a bitstream and decoding the differential quantization index by using one of a first decoding method and a second decoding method based on a range in which a quantization index of energy is represented, in response to the determined coding method.

Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.

Abstract: Disclosed herein are a method for transmitting and receiving compressed data and an apparatus therefor. According to the method for transmitting compressed data, a transmission apparatus for transmitting compressed data standardizes the value of an In-phase/Quadrature-phase (IQ) data sample to a preset type that is selected from among a positive number and a negative number, determines the sample type of the IQ data sample, the value of which is standardized to the preset type, based on a sample type determination rule, generates a compressed bit string based on the compression rule pertaining to the determined sample type, generates compressed data, including at least one of a reference bit corresponding to the sample type, the sign bit of the IQ data sample, and the compressed bit string, for each IQ data sample, and transmits the compressed data to a reception apparatus.

Abstract: In an embodiment, a wireless mix monitor system is provided in which the musicians have one or more wearable electronic devices that may receive digital audio over a wireless connection to a computer. The channels monitored by a given user may be mixed on the computer, on the devices, or on a combination of the computer and the devices. The musicians may be freed from a fixed mix monitor, allowing easy movement about the stage or performance space. Audio buffering and upsampling/downsampling may be used to manage temporal discontinuities in the audio stream.

Abstract: A computer program product for data compression is provided. The computer program product includes a computer readable storage medium having program instructions embodied therewith. The program instructions are readable and executable by a processing circuit to cause the processing circuit to execute software compression for first requests for data compression that have respective sizes below a predefined threshold, forward second requests for data compression having respective sizes above the predefined threshold to a hardware accelerator and maintain a persistence of a compression dictionary used for executing the second requests across executions of the first and second requests.