45results about How to "Memory resource is reduced" patented technology

A monitor of malicious network traffic attaches to unused addresses and monitors communications with an active responder that has constrained-state awareness to be highly scalable. In a preferred embodiment, the active responder provides a response based only on the previous statement from the malicious source, which in most cases is sufficient to promote additional communication with the malicious source, presenting a complete record of the transaction for analysis and possible signature extraction.

A low density parity check (LDPC) code that is particularly well adapted for hardware implementation of a belief propagation decoder circuit (38) is disclosed. The LDPC code is arranged as a parity check matrix (H) whose rows and columns represent check sums and input nodes, respectively. The parity check matrix is grouped into subsets of check sum rows, in which the column weight is a maximum of one. The decoder circuitry includes a parity check value estimate memory (52). Adders (54) generate extrinsic estimates, from immediately updated input node probability estimates, and the extrinsic estimates are applied to parity check update circuitry (56) for generating new parity check sum value estimates. These parity check sum value estimates are stored back into the memory (52), and after addition with the extrinsic estimates, are stored in a column sum memory (66) of a corresponding bit update circuit (60) as updated probability values for the input nodes.

Apparatus, system and method for accessing supplementary data and / or executing software on a device capable of receiving multimedia are disclosed. After multimedia is received, ancillary code is detected and a signature is concurrently extracted from an audio portion of the multimedia. The ancillary code includes a plurality of code symbols arranged in a plurality of layers in a predetermined time period, and the signature is extracted from features of the audio of the multimedia. Supplementary data is accessed and / or software is executed using the detected code an / or signature.

An apparatus for generating a data file has a navigation information generator and a file constructor. The file constructor constructs a file having a metadata container and a media data container. The metadata container comprises information indicating presentation times for a plurality of media samples, and the media data container includes these media samples. Additionally, the file constructor inserts redundant navigation information records into the media data container. A reader calculates presentation times of media samples based on these navigation information records in the media data container.

A controller / driver for driving main and sub display panels is composed of first and second memory sections, a color reduction circuit, and a data line driver circuit. The first and second memory sections are used as multipurpose display memories. When the controller / driver is placed in a first mode, the first and second memory sections store therein a pair of image data color-reduced under different conditions for achieving frame rate control. When the controller / driver is placed in a second mode, on the other hand, the first and second memory sections store sub and main image data respectively associated with images to be displayed on main and sub display panels.

The present invention discloses a method and apparatus for multicast management of user interface in a network access device, which comprises setting a user multicast information table for the user interface in the network access device, IGMP protocol processing unit obtaining the user identification information from a user IGMP message, retrieving and updating the user multicast information table based on types of multicast messages; checking the user multicast information table of the user interface when multicast resources of the user interface are not sufficient, immediately terminating the multicast GSQ process and directly performing quick-leaving when the user multicast information table of a multicast group is empty, in conjunction with use of items of multicast state. The present invention can greatly enhance speed and performance of switching for multicast channels of the network access device.

An apparatus includes an image conversion unit suitable for converting a short exposure block according to an exposure ratio; a motion and saturation detection unit suitable for receiving a long exposure block and an L short exposure block converted by the image conversion unit, and detecting motion and saturation; a radiance map generation unit suitable for fusing the long and L short exposure blocks using a guided filter, and generating a radiance map; a luminance acquirement unit suitable for acquiring luminance of the radiance map, and generating luminance using the L short exposure block or respectively generating luminance using the long and L short exposure blocks; and a dynamic range compression unit suitable for performing global tone mapping using the luminance acquired by the luminance acquirement unit, and compressing a dynamic range.

A method for selecting a hash function, a method for storing and searching a routing table and devices thereof are provided. The method for selecting a hash function includes: hashing data to be hashed by using a current alternative hash function; decoding a hash result; accumulating decoded results until no carry occurs during the accumulation; and selecting a current alternative hash function with no carry generated as a formal hash function. The method for storing a routing table includes: dividing the routing table into a next-level node pointer portion and a prefix portion for being stored; and selecting a hash function by using the above method for selecting a hash function. The method for searching a routing table includes: directly searching an IP address to be searched according to a directly stored length of a next-level node pointer portion for storing the routing table; and reading a prefix node according to a searched result. Thus, hash collision can be avoided, and memory resources occupied by the routing table can be effectively reduced.

An image processing method comprises receiving, from a camera, a camera captured image comprising a user drawn image. At least part of the user drawn image is within a field of view of the camera. The method comprises applying an image processing operation to the camera captured image so as to generate an image feature within the camera captured image which corresponds to the user drawn image, and thinning the image feature to a line width which is smaller than a line width associated with the image feature so as to generate a modified width image feature. The method further comprises generating vector data from pixels associated with the modified width image feature so that the vector data substantially represents the modified width image feature.

A network service connecting system is provided which is capable of eliminating waste in establishing association between a wireless user terminal and an access point. A service ID (Identification) producing section produces a service ID containing a service application ID and a service vendor ID. A Probe request transmitting section transmits the service ID to the access point. A data storing section holds data on associated relations among service, a service vendor, and a V-LAN (Virtual Local Area Network) switch. When a Probe request receiving section receives a service ID, an SSID (Service Set Identification) judging section, by referring to the above data on the associated relation, judges whether an ID of the service vendor is contained in the service ID. If it is contained, a Probe response transmitting section transmits an SSID to the wireless user terminal.

An apparatus for decoding an encoded audio signal including bandwidth extension control data indicating either a first harmonic bandwidth extension mode or a second non-harmonic bandwidth extension mode, includes: an input interface for receiving the encoded audio signal including the bandwidth extension control data indicating either the first harmonic bandwidth extension mode or the second non-harmonic bandwidth extension mode; a processor for decoding the audio signal using the second non-harmonic bandwidth extension mode; and a controller for controlling the processor to decode the audio signal using the second non-harmonic bandwidth extension mode, even when the bandwidth extension control data indicates the first harmonic bandwidth extension mode for the encoded signal.

A packet sorting device includes: a buffer for storing packets belonging to a plurality of communication flows; and a control section which determines, when receiving one of a series of packets, whether the one of the received packets is a disorder packet by a determination process, and sorts the received packets in a correct order by storing the disorder packet and communication flow information thereof in the buffer so that the disorder packet and communication flow identification information are correlated. The disorder packet is one of the received packets which is received in an order different from a transmission order of the packets. The communication flow information identifies the plurality of communication flows.

A digital still camera for photographing an image of an object is provided. A motion vector detector acquires a change of a position of the object in the image between a first picture frame and a previous picture frame recorded prior thereto. A normalizer normalizes the previous picture frame according to a parameter related to the change of the position. A specific object detector detects a specific object region, such as a facial image region, according to image recognition and by comparison between the first picture frame and the normalized previous picture frame. Furthermore, a change of a magnification of the image thereof is acquired between the first picture frame and the previous picture frame recorded prior thereto. The normalizer normalizes the previous picture frame according to a parameter related to the change of the magnification.

A method and system for managing memory in a multiprocessor system includes defining the plurality of processor coherence domains within a system coherence domain of the multiprocessor system. The processor coherence domains each include a plurality of processors and a processor memory. Shared access to data in the processor memory of each processor coherence domain is provided only to elements of the multiprocessor system within the processor coherence domain. Non-shared access to data in the processor memory of each processor coherence domain is provided to elements of the multiprocessor system within and outside of the processor coherence domain.

The present invention discloses a method and apparatus for multicast management of user interface in a network access device, which comprises setting a user multicast information table for the user interface in the network access device, IGMP protocol processing unit obtaining the user identification information from a user IGMP message, retrieving and updating the user multicast information table based on types of multicast messages; checking the user multicast information table of the user interface when multicast resources of the user interface are not sufficient, immediately terminating the multicast GSQ process and directly performing quick-leaving when the user multicast information table of a multicast group is empty, in conjunction with use of items of multicast state. The present invention can greatly enhance speed and performance of switching for multicast channels of the network access device.

A method and apparatus for loading classes to virtual machines and a method and apparatus for reorganizing class archives. The method for loading a class to a virtual machine includes organizing a class archive before class loading such that the organized class archive includes a class contraction portion and loading only the class contraction portion of the class archive to the virtual machine at the moment of class loading. By first loading the class contraction portion from the organized class archive to the virtual machine at the moment of loading, the present invention curtails code redundancy, shortens loading time and reduces occupied memory resources.

A method for determining the size of each of a predetermined number of memory frames to be allocated for storing data blocks in a memory, and a processing device for implementing the method. The method comprises determining a data block size distribution for at least one set of data blocks. A data block size of the data block size distribution is eliminated iteratively until the number of data block sizes corresponds to the number of sizes of the memory frames. The data block sizes to merge are selected by means of a slack prediction algorithm. The sizes of the memory frames are determined as the data block sizes of the distribution, which remain after the elimination.

A controller / driver for driving main and sub display panels is composed of first and second memory sections, a color reduction circuit, and a data line driver circuit. The first and second memory sections are used as multipurpose display memories. When the controller / driver is placed in a first mode, the first and second memory sections store therein a pair of image data color-reduced under different conditions for achieving frame rate control. When the controller / driver is placed in a second mode, on the other hand, the first and second memory sections store sub and main image data respectively associated with images to be displayed on main and sub display panels.

An audio data generation method comprises generating a first parametric description of features of a first sound. The first parametric description comprises a first set of parameters which relates to the features of the first sound. The method comprises generating a second parametric description of features of a second sound. The second parametric description comprises a second set of parameters which relates to the features of the second sound. The to method further comprises generating audio data for output based on a combination of one or more properties of the first parametric description and one or more properties of the second parametric description.

Relating with board numbers of the boards mounted with the logic circuits and mounted places on the boards and in relation to log information to be collected from the logic circuits, analysis information describing information to be processed when the log information is generated, information of a condition for which the log information is to be valid, and information of a condition for which the log information is to be invalid are defined for analyzing failures using the analysis information based on the logic circuits. Upon the realization of the failure analysis based on the logic circuits, the analysis information further describes information of the priority of the log information to realize a thorough analysis of critical failures.

This disclosure provides a method and a system for detecting and recognizing a target object in a real-time video. The method includes: determining whether a target object recognition result RX-1 of a previous frame of image of a current frame of image is the same as a target object recognition result RX-2 of a previous frame of image of the previous frame of image; performing target object position detection in the current frame of image by using a first-stage neural network to obtain a position range CX of a target object in the current frame of image when the two recognition results RX-1 and RX-2 are different; or determining a position range CX of a target object in the current frame of image according to a position range CX-1 of the target object in the previous frame of image when the two recognition results RX-1 and RX-2 are the same; and performing target object recognition in the current frame of image according to the position range CX by using a second-stage neural network. Therefore, the operating frequency of the first-stage neural network used for position detection is reduced, the recognition speed is accelerated, and the usage of CPU and internal memory resources is reduced.

Methods, systems, and computer program products for searching interactive broadcast data for a string of text. Binary signatures are generated for each text description in the interactive broadcast data. A user-entered text string is also converted to a binary signature. A binary signature is a bit field representation of a block of text. A binary signature may be significantly smaller than the unconverted block of text, yet may still be unique when compared binary signatures of other blocks of text. All binary signatures may be generated using the same hash or digest function. The binary signature of the user-entered text string is compared to the binary signature of each entry in the interactive broadcast data. If the any of the comparisons indicate that the user-entered text string is included in an interactive broadcast data text description, other data associated with the interactive broadcast data may be retrieved.

An image processing method comprises receiving, from a camera, a camera captured image comprising a user drawn image. At least part of the user drawn image is within a field of view of the camera. The method comprises applying an image processing operation to the camera captured image so as to generate an image feature within the camera captured image which corresponds to the user drawn image, and thinning the image feature to a line width which is smaller than a line width associated with the image feature so as to generate a modified width image feature. The method further comprises generating vector data from pixels associated with the modified width image feature so that the vector data substantially represents the modified width image feature.

A method and system for managing memory in a multiprocessor system includes defining the plurality of processor coherence domains within a system coherence domain of the multiprocessor system. The processor coherence domains each include a plurality of processors and a processor memory. Shared access to data in the processor memory of each processor coherence domain is provided only to elements of the multiprocessor system within the processor coherence domain. Non-shared access to data in the processor memory of each processor coherence domain is provided to elements of the multiprocessor system within and outside of the processor coherence domain.

A method of coding at least one image sliced into blocks. The method implements, for a current block to be coded of the image: predicting the current block in accordance with a prediction mode selected from among a plurality of predetermined prediction modes, calculating a residual data block representative of a difference between a predictor block obtained on completion of the prediction and the current block, applying a transform operation to the data of the residual block, the transform operation belonging to a set of transform operations previously stored in association with a selected prediction mode, and coding the data obtained from the transform operation. The number of transform operations contained in the set associated with the selected mode is different from the number of transform operations contained in a set of transform operations stored in association with at least one other predetermined prediction mode of the plurality.