42results about How to "Little complexity" patented technology

The method comprises: 1) encode step, providing the image data, and selecting area for inputting the digital image; making priority classification for the inputted digital image, and making quantization operation for the transformed image data, and recording the priority data; 2) decode step, decoding the location information and priority information of different areas; calculating the quantization value of each area, and using the quantization value to make inverse quantization operation for the data in each area. The structure of the apparatus thereof is: setting a area selection, priority division and quantization unit in the decode device. The decode device comprises an area information decoding and inversely-quantizing unit.

The invention relates to the technical field of coding and decoding of videos, in particular to a video coding system based on vision characteristics. The video coding system comprises an attention-based minimal perceptible distortion threshold value calculating module of a converting domain and a coding module, wherein the attention-based minimal perceptible distortion threshold value calculating module comprises an attention point extracting submodule, an attention modulating factor calculating submodule, a minimal perceptible distortion threshold value calculating submodule and an attention-based minimal perceptible distortion threshold value calculating submodule; the coding module comprises a space / time prediction coding submodule, a converting submodule, a converting domain filter submodule, a quantizing submodule, an entropy coding submodule and a rate distortion optimizing submodule. By establishing a Foveated JND model of a DCT domain and applying the model to a filter and rate distortion optimizing module of the DCT domain in a video coding frame, the invention greatly reduces the coding rate under the condition of keeping unchanged subjective quality.

Described are laser systems for treating skin. The system includes a first solid-state laser for producing a first output beam, a second solid state laser for producing a second output beam, and a delivery device for directing the second output beam to a target region of skin. The second solid state is adapted to absorb a first part of the first output beam for generating excitation in a rare-earth doped gain medium to produce the second output beam. The second output beam is for treating the skin.

A data processing system 2 includes a single instruction multiple data register file 12 and single instruction multiple processing circuitry 14. The single instruction multiple data processing circuitry 14 supports execution of cryptographic processing instructions for performing parts of a hash algorithm. The operands are stored within the single instruction multiple data register file 12. The cryptographic support instructions do not follow normal lane-based processing and generate output operands in which the different portions of the output operand depend upon multiple different elements within the input operand.

A dental implant consisting more especially of a ceramic material has an implant body for anchoring in a jawbone. An implant post as a tooth support is inserted into the implant body and locked by means of a plug and turn coupling as a bayonet connection.

A group transmission device with an electric machine, a main transmission of a countershaft design, a splitter group of a countershaft design which is connected upstream of the main transmission and a range group connected downstream of the main transmission. In the area of the main transmission, the splitter group, and the range group, a gear ratio is variable by gear steps that can be engaged in, or disengaged from, the force flow by interlocking shifting elements. At least during a gearshift, torque of the electric machine can be introduced into the force flow in the area of the splitter group. The splitter group has at least three gear steps that can be engaged or disengaged, the main transmission has at least two gear steps that can be engaged or disengaged, and the range group has at least two gear steps that can be engaged and disengaged.

A circuit for protecting an electric load from overvoltages has an n-channel MOSFET (metal oxide semiconductor field-effect transistor) (T1) and a means for producing a reference voltage in order to achieve the most effective overvoltage protection possible by means of the cheapest and most compact circuit possible, wherein the means for producing a reference voltage is connected to the gate of the MOSFET (T1), wherein a supply voltage is applied to the circuit on the input side and wherein the gate is supplied with a voltage greater than the supply voltage using an auxiliary voltage source in such a way that the MOSFET (T1) is turned on.

A system and method for wireless cryptographic key exchange among participants in a wireless computing network is presented. This allows the authorized participants in the wireless communication session not have the same key before the wireless computing session begins. This wireless online key exchange / generation is based on a random modulation technique and a domino match. Once the initial modulation scheme is selected, each data transmission includes an indication of what modulation scheme should be used for the next data transmission. If a given number of bits are to be used, the modulation scheme for the final transmission may be limited to complete the bit transfer. The bit value assignments within particular modulation schemes may also be varied for each subsequent transmission.

The invention discloses an ACK / NACK and discontinuous transmission DTX detection method, comprising the following steps: A, calculating an average signal-to-noise ratio of uplink control channel receiving signals of receiving antennas in a current receiving sub-frame; B, comparing the average signal-to-noise ratio with a preset DTX detection threshold, if the average signal-to-noise ratio is larger than the DTX detection threshold, it is deemed that user equipment sends ACK / NACK; and if the average signal-to-noise ratio is smaller than the DTX detection threshold, it is deemed that the user equipment sends no signal and is in a DTX state. Compared with the prior art, the ACK / NACK and discontinuous transmission DTX detection method in the technical scheme of the invention achieves relatively low complexity.

A photodetector is formed in a semiconductor body. A hard mask grating is photolithographically formed on a surface of the semiconductor body. The semiconductor body is etched using the hard mask grating as a mask. The etching is performed down to a predetermined depth. An implantation is performed such that an anode or cathode of the photodector that has been interrupted during the etching is re-formed.

The invention provides a shuffle switch matrix compression method based on mode shift, which comprises the following steps: 1, presetting an SF_Table as the table for storing a shuffle mode, setting data granularity for a current shuffle request to be the minimum data granularity supported by a crossbar switch, and compressing according to the current granularity index method; 2, judging whether mode shift relation exists between the compressed shuffle mode for the current shuffle request and a certain table entry in the shuffle mode table; if yes, jumping to step 3, otherwise, jumping to step 4; 3, keeping the shuffle mode table unchanged, adding corresponding shuffle mode address information and relative shift information to a current shuffle command, and then processing the next shuffle request; and 4, adding the current shuffle mode to the shuffle mode table, adding corresponding shuffle mode address information and relative shift information to the current shuffle command, and processing the next shuffle request. The shuffle switch matrix compression method is simple, is convenient to operate and has the advantages of wide application range, improved compression efficiency and the like.

Apparatus, system, and method for clipping graphics primitives are described. In one embodiment, a graphics processing apparatus includes a mapping unit and a clipping engine that is connected to the mapping unit. The mapping unit is configured to map a graphics primitive onto a canonical representation. The clipping engine is configured to perform a set of clipping operations with respect to the canonical representation.

A rear spoiler device for a vehicle with at least one rear door includes at least one lateral air-deflector element and a roof air-deflector element that can be adjusted between a default position and a travel position for contour extension and aerodynamic air conduction when the rear door is closed. The device comprises a wing, which has a first swivel joint to enable pivotable fastening to the rear door. The wing is adjustably attached to the lateral air-deflector element via at least one second swivel joint. At least one locking device is provided for locking the lateral air-deflector element with the wing. A coupling device is provided for coupling an adjustment of the locking device to the adjustment of the roof air-deflector element.

A dental implant including more especially a ceramic material has an implant body for anchoring in a jawbone. An implant post as a tooth support is inserted into the implant body and locked by use of a plug and turn coupling as a bayonet connection.

A system for converting output signals from the individual pickup coils of an electric guitar to a high quality digital signal, transmitting that signal from the guitar to a computer or outboard decoding device, and remotely making connections or adjustments to the signals. The system is unidirectional, and maintains compatibility with existing analog connection equipment, while permitting software-based adjustments to the sound from each individual string. An outboard connection device may be used to provide output jacks for each resulting individual signal.

The invention belongs to technical field of communication with a multipath fading channel characteristic, and discloses a multipath fading signal diversity combining and receiving method based on a multipath fading channel. The method comprises: acquiring N diversity branch signals, subjecting each diversity branch signal to channel estimation to obtain the channel response of each diversity branch signal; performing main path alignment on the corresponding diversity branch signal according to the channel response of each diversity branch signal; determining the weighting factor of each diversity branch signal subjected to the main path alignment and performing weighted summation on the N diversity branch signals subjected to the main path alignment to obtain a combined multipath signal; and performing channel equalization on the combined multipath signal to obtain an equalized signal; and demodulating the equalized signal to obtain a baseband signal received through the multipath fading channel. The method may effectively reduce implementation complexity while ensuring good signal performance.

A working machine, such as an industrial truck, having a spring-loaded brake having a braking position and a release position and controlled by a brake valve producing a brake-release pressure. The brake valve is operatively connected to a service brake input device, such as a brake pedal, and can be acted upon in the direction of a reduction in the brake-release pressure arising at the spring-loaded brake when the service brake input device is actuated. It being possible, on actuation, for the service brake input device to be operatively connected to a pre-stressed spring device, which is operatively connected to the brake valve and can be acted upon in the direction of an increase in the spring force on increasing actuation of the service brake input device.

Provided is a method for the secure, computer-aided execution of program instructions of an application, including the following method steps. The method includes a step of switching on a learning mode of an execution environment. The method includes a further step of performing the application in the execution environment while the learning mode is switched on, wherein program instructions of the application are performed for a selected predetermined application scenario and the execution environment assigns a first application scenario-specific validity information to the performed program instructions. The method includes a step of switching on a working mode of the execution environment, wherein, in the working mode, the execution environment checks the first validity information of the program instructions, and wherein the execution environment executes the program instructions as a function of their validity information.

The method comprises: 1) encode step, providing the image data, and selecting area for inputting the digital image; making priority classification for the inputted digital image, and making quantization operation for the transformed image data, and recording the priority data; 2) decode step, decoding the location information and priority information of different areas; calculating the quantization value of each area, and using the quantization value to make inverse quantization operation for the data in each area. The structure of the apparatus thereof is: setting a area selection, priority division and quantization unit in the decode device. The decode device comprises an area information decoding and inversely-quantizing unit.

A device for scaling and quantization of digital soft output values (sk) from an equalizer has a control loop for controlling a statistical parameter (θ) for the scaled and quantized soft output values (sD,k), which contains a calculation unit (4) for calculation of the statistical parameter (θ), and a control unit (5) for calculation of a scaling factor (c) for scaling the soft output values (sk) from the equalizer on the basis of the statistical parameter (θ).

The invention discloses a polarization characteristic detection device and a detection method for a non-planar transparent element. The device comprises polarization characteristic measurement equipment, matching liquid, a container and a clamping piece, wherein the matching liquid is arranged in the container, and the clamping piece is used for clamping the non-planar transparent element and completely immersing the non-planar transparent element in the matching liquid in the container; the matching liquid and the non-planar transparent element are matched for use, so that the emitting direction of the measurement light beam after passing through the matching liquid and the non-planar transparent element is consistent with the emitting direction of the measurement light beam after passing through the planar transparent element independently; the polarization characteristic measurement device is used for detecting the overall polarization characteristic of the non-planar transparent element used in cooperation with the matching liquid and obtaining the polarization characteristic of the non-planar transparent element based on the overall polarization characteristic. The non-planar transparent element is completely immersed in the matching liquid, so that the emitting direction of the measurement light beam after passing through the matching liquid and the non-planar transparent element is consistent with the emitting direction of the measurement light beam after passing through the planar transparent element independently, and the effect of the planar transparent element is further achieved.

The invention discloses an ACK / NACK and discontinuous transmission DTX detection method, comprising the following steps: A, calculating an average signal-to-noise ratio of uplink control channel receiving signals of receiving antennas in a current receiving sub-frame; B, comparing the average signal-to-noise ratio with a preset DTX detection threshold, if the average signal-to-noise ratio is larger than the DTX detection threshold, it is deemed that user equipment sends ACK / NACK; and if the average signal-to-noise ratio is smaller than the DTX detection threshold, it is deemed that the user equipment sends no signal and is in a DTX state. Compared with the prior art, the ACK / NACK and discontinuous transmission DTX detection method in the technical scheme of the invention achieves relatively low complexity.

A device for attaching and contacting an electrical component, e.g., a sensor device, includes: at least two contact points which are electrically contactable via associated busbars, a contact point of the component being connected to the associated busbar via a respective connecting element, which at its respective free first end forms a mounting for the component and establishes the electrical connection to the contact point of the component in the mounting, and which at its respective second end is held on the busbar and is electrically connected thereto.

This invention discloses a block bit loading method in a frequency selective single carrier block transmission system including the following steps: 1, determining a code rate of transmission after setting up the communication, the receive end blocks usable sub-channels to form block information, 2, assigning the general bit number transmitted by each frame to the usable sub-channels to block the source and decides the modulation way applied in each block to form modulation information 3, the transmission end blocks the source information based on the above information to make modulation image to the points in the block then to make DFT for each block and convert these frequency domain signals to the time domain with IDFT after they get new signal spectrums to get due out signals 4, the receive end receives signals to transform them into the frequency domain for balance and resumes signals of each point to their corresponding blocks based on the block information and makes IDFT in blocks to convert them back to the time domain for judgment.

The invention relates to a planar loudspeaker comprising a light, thin soundboard (2) which may be energized to produce multiply-reflected bending waves, a surrounding frame (3) holding the soundboard (2) in an articulated, shear-resistant manner; at least one driver (6, 7, 9, 10) connected to the soundboard (2) to energize the soundboard (2); and at least one bridge (13, 16, 18, 20, 22, 25), rigidly connecting the at least one driver (6, 7, 9, 10) to the frame (3), wherein the bridge or at least one of the bridges (13, 16, 18, 20, 22, 25) is connected to the damping board (14).

Disclosed is a method for generating a secret or key in a network having first and second subscribers and a transmission channel therebetween. The first and second subscribers generating first and second sequences of subscriber values to achieve synchronous transmission; and the first and second subscriber each generate a common secret, the first subscriber doing so based on information about the first sequence and a superposition of the second sequence onto the first sequence on the transmission channel, and the second subscriber doing so based on information about the second sequence and the superposition of the second sequence of subscriber values onto the first sequence of subscriber values. At certain intervals or in accordance with a detected sequence of superposed values, the first or second subscriber outputs at least one filler value onto the transmission channel such that an edge change or change in values occurs on the transmission channel.

A method for displaying continuous lines on a raster-based display appliance, with a continuous line being defined by a sequence of two-dimensional support points v1 and v2 and a line width w, and with a rectangle 1, which connects the support points v1, v2, having a rectangle length predetermined by the distance between the support points v1, v2 and having a rectangle width predetermined by the line width w being displayed between two support points v1, v2. The method provides that a triangle sequence 6, which covers a gap 5 between the rectangles 1, 2, is displayed between two successive rectangles 1 and 2 whose alignment with respect to one another is at an angle α≧α0. The triangle sequence 6 includes a plurality of triangles which each have the support point v2, which connects the successive rectangles 1, 2, as a common corner point. A connecting triangle 7 is in each case displayed between the rectangle 1 and the triangle sequence 6 and between the triangle sequence 6 and the subsequent rectangle 2, the corner points of which connecting triangle 7 are the two corner points, which face the triangle sequence 6, of the rectangle 1, and of the subsequent rectangle 2 and the connecting support point v2. The corner points of the triangle sequence 6 are predetermined as a function of the angle α between the alignment of the successive rectangles 1, 2.

The invention provides a shuffle switch matrix compression method based on mode shift, which comprises the following steps: 1, presetting an SF_Table as the table for storing a shuffle mode, setting data granularity for a current shuffle request to be the minimum data granularity supported by a crossbar switch, and compressing according to the current granularity index method; 2, judging whether mode shift relation exists between the compressed shuffle mode for the current shuffle request and a certain table entry in the shuffle mode table; if yes, jumping to step 3, otherwise, jumping to step 4; 3, keeping the shuffle mode table unchanged, adding corresponding shuffle mode address information and relative shift information to a current shuffle command, and then processing the next shuffle request; and 4, adding the current shuffle mode to the shuffle mode table, adding corresponding shuffle mode address information and relative shift information to the current shuffle command, and processing the next shuffle request. The shuffle switch matrix compression method is simple, is convenient to operate and has the advantages of wide application range, improved compression efficiency and the like.