30results about How to "Effective perception" patented technology

The invention discloses an interactive visual method and a device facing layering data. The method comprises the flowing special steps: step1, a layering data object is acquired, and a suitable weight mapping function is set according to characteristics of the layering data, characteristics of application scenarios and special requirements of a user; step2, the weight of each node of the layering data is defined through the mapping function; step3, a root node of the layering data is expressed by selecting round space or arbitrary polygonal space; step 4, other nodes are expressed to be circles with specific radiuses according to the weight of each node of the layering data; step5, the arrangement of layering circles is produced due to the adoption of a circular layout method; and step 6, an interactive visual interface is generated. The layering circular layout generated through the method corresponds to a Voronoi tree graph layout, various visual coding modes are provided, the circular layout is optimized and adjusted in real time, various interactive modes are provided, and the layering circular layout can be applied to multi-point touch control equipment. The method and the device not only can be used for processing layering data of ordinary data sizes but also can be used for processing large-scale data sets.

The invention discloses an artificial electronic cochlea, a speech processor and a method for processing a speech with double stimulation rates. The speed processor and the method are applied to the artificial electronic cochlea, and the method comprises the following steps of: firstly, performing preprocessing, band-pass filtering, half-wave rectification and low-pass filtering on speech signalsto acquire the envelope amplitude of each channel, and adjusting the current amplitude to a working amplitude range; secondly, selecting a plurality of channels of which the envelope amplitudes are more than or equal to a threshold value to form a first part (high-amplitude) channel, and performing pulse sequence modulation with a first (high) stimulation rate on the first part channel; selectinga plurality of channels of which the envelop amplitudes are smaller than the threshold value to form a second part (low-amplitude) channel, and performing pulse sequence modulation with a second (low) stimulation rate on the second part channel; and adopting electronic pulse sequences of the first and second part channels after modulation to stimulate corresponding stimulating electrodes. The artificial electronic cochlea, the speech processor and the method realize the aim of transmitting information on the envelope amplitudes of all the channels to an artificial electronic cochlea patient, and effectively improve the speech recognition effect of the artificial electronic cochlea.

The invention discloses an estimation method of image haze concentration. The estimation method includes a first step of transforming the space, extracting local blocks, and calculating feature vectors; a second step of normalizing the feature vectors; and a third step of obtaining the haze concentration of an input haze image by using the respective relations of feature vectors of a clear image MVG model and a haze image MVG model with the normalized feature vectors of the local blocks of the input haze image. In the method, the concept of the feature vectors of the image local blocks is first proposed, the clear image MVG model and the haze image MVG model are introduced, the accurate local haze sensitive feature of each pixel in the haze image is obtained through adaptive calculation, and the haze concentration is estimated; in the calculation process, only the feature vector of each local block is required, and the calculated amount is small; and the method can be used for effectively perceiving the haze concentration without the need of a reference image, and meanwhile has the advantage of high calculation speed.

The invention discloses an energy-saving building heating and ventilation system. The energy-saving building heating and ventilation system comprises a floor detection unit, a floor external environment detection unit, a natural wind conveying opening and closing control unit, an outdoor air quality detection unit, an indoor air quality detection unit, an air filtering unit, a harmful gas detection unit, a natural wind ventilation control main machine, a floor main ventilation pipeline conveying module and a floor ventilation branch pipeline opening and closing module, a floor ventilation branch pipeline conveying module, a temperature analysis control module, an active temperature adjustment unit, cold source equipment, heat source equipment, an in-floor information acquisition unit, a pedestrian flow detection module, a pedestrian flow analysis module, an area division module, a wind direction control main machine and an air conditioner air outlet direction turning module. The air temperature adjustment amounts required by different areas are analyzed through the pedestrian flow analysis module, and then the area division module carries out division on the air outlet amounts of the different areas, so that the unnecessary heating and ventilation air outlet amounts are reduced, and the energy-saving effect is achieved.

The invention provides a science and technology service-oriented reason graph construction method, device and equipment and a storage medium. The reason graph construction method comprises the following steps: obtaining a science and technology service demand text; preprocessing the science and technology service demand text; performing event extraction on the science and technology service demandtext; performing event relationship extraction on the science and technology service demand file; based on the extracted demand events and the logic relationship between the demand events, establishing a fact graph which is a directed looped graph, with nodes representing the demand events and directed edges representing the logic relationship between the demand events; and calculating an evolution probability between two demand events connected with each directed edge, and adding the evolution probability as a weight value to the directed edge. By constructing a science and technology service-oriented reason graph, the demand event directly related to the user demand and other demand events most closely related to the user demand can be quickly matched, so that the customer demand can bemore effectively perceived.

The invention belongs to the technical field of guide vehicles and relates to a Mecanum wheel intelligent guiding vehicle based on double-laser radar fusion. The device comprises a bottom plate, a second connecting block and a rotating plate; the bottom end of the bottom plate is connected with a first clamping block; a fixing groove is formed in the bottom end of the first clamping block; a firstsliding block is arranged on the inner side of the fixing groove; an induction radar is mounted at the bottom end of the first sliding block; a small wheel is arranged on the right side of the induction radar; a first connecting block is arranged on the right side of the small wheel; a rotating column is arranged at the top end of the first connecting block; a hollow column is connected to the top end of the rotating column; a connecting column is arranged on the inner side of the hollow column; a lifting mechanism is fixed to the top end of the connecting column; the second connecting blockis arranged at the top end of the bottom plate. The Mecanum wheel intelligent guide vehicle based on double-laser radar fusion is provided with a damping device facilitating vibration reduction, has the effect of sensing the surrounding environment in an all-around mode, and is convenient for a user to install, adjust and overhaul.

The invention relates to a marine photovoltaic platform and an operating method of the marine photovoltaic platform. The marine photovoltaic platform comprises a base body and a plurality of hinges arranged around the base body, wherein the base body comprises a bowl-shaped water collection part, a cylindrical floating part and a cone-shaped gravity part for stabilizing the gravity and adjusting the buoyancy force of the platform from top to bottom; one end of each of the hinges is articulated with the periphery of the water collection part, and the upper surface of each hinge is provided with a plurality of photovoltaic panels; and the hinges can be enclosed with the water collection part after rotating along articulated points to form a sealed cavity. According to the marine photovoltaic platform and the operating method of the marine photovoltaic platform, marine photovoltaic power generation equipment is used for carrying out sealing to be isolated with the outside in the period of time that solar power cannot be utilized for power generation at night, so that the time that the photovoltaic power generation equipment is eroded is reduced; and due to the fact that the night approximately accounts for half of the whole day, the time that the photovoltaic power generation equipment is eroded can be effectively reduced by half, so that the service life of the photovoltaic power generation equipment is greatly prolonged.

The embodiment of the invention provides a method and device for indicating the position of a virtual object in a game, electronic equipment and a storage medium, and the method comprises the steps that the content displayed by a graphical user interface of a terminal comprises a part of a three-dimensional game scene and a first virtual object located in the three-dimensional game scene, in the game process, for the first virtual object controlled by a player, a terminal obtains position information of a second virtual object relative to the first virtual object in a three-dimensional game scene, and then displays a position indication identifier for the second virtual object in a graphical user interface according to the position information, a position indication identifier is used for indicating the vertical position of the second virtual object relative to the first virtual object, so that in a game, the terminal displays the vertical position of the second virtual object, the player can intuitively, quickly and effectively perceive the positions of other virtual objects according to the displayed position indication identifier, and, the positions of virtual objects at different vertical heights can be sensed.

The invention discloses a shell monitoring point selection method for sensing the internal hot spot temperature of a GIS disconnecting switch. The method comprises the implementation steps that a finite element simulation three-dimensional model of the GIS disconnecting switch is established; setting material attributes of each part of the model; performing mesh generation on the model through local mesh control; setting boundary conditions and excitation conditions of electromagnetic field calculation; carrying out electromagnetic field loss calculation; introducing the loss as a heat source into the fluid-temperature field; setting boundary conditions and excitation in a fluid-temperature field; carrying out steady-state thermal analysis calculation; extracting a flow line of an SF6 fluid domain from thermal analysis calculation; and selecting temperature monitoring points in the shell according to the integral streamline distribution and the characteristic streamline of the fluid domain. According to the method, selection of the monitoring points can be explained from the perspective of heat transfer of the hot spots, point selection is more reliable, the temperature rule of the GIS disconnecting switch is more visual, a large amount of time is saved, efficiency is high, and the method is practicable.

The invention provides a three-dimensional RIS-assisted coal mine communication and inductance integrated network optimization method and device, and relates to the field of communication technologies and coal mine safety detection. Comprising the steps that a coal mine communication network model with a three-dimensional intelligent surface is established, and the model comprises the three-dimensional intelligent surface, a user needing communication, a sensing area, a small portable sensing integrated base station and a ground data center; the method comprises two optimization algorithms: 1, optimizing a perception communication time distribution strategy in a coal mine communication network model; secondly, the reflection coefficient matrix of the three-dimensional intelligent surface is optimized; on the premise of ensuring basic communication requirements of a coal mine, coal mine safety information is sensed and detected more effectively; on the premise of real-time monitoring at the corresponding security level, more information can be sensed as much as possible; and the RIS phase shift matrix is optimized to improve the channel condition, so that the communication efficiency is maximized. When a dangerous accident such as a collapse event occurs in a coal mine, the RIS can obtain accident information according to the change of the sensing information so as to reduce the casualty probability.

The invention discloses a voltage and current acquisition assembly based on a distribution automation fusion switch, and particularly relates to the technical field of assembly working state recognition algorithm research. Data sampling abnormity caused by problems of a power grid is eliminated through a terminal topological relation in the power distribution network, and meanwhile, whether a component is damaged or loosened is judged through 288-point sampling data characteristics, so that accurate maintenance information is provided for operation and maintenance personnel of a power system, and the maintenance efficiency is improved. Considering the influence of the distribution automation terminal on the accuracy and reliability of a sampling assembly in the field installation environment and the operation age limit, the current and voltage sampling assembly of the distribution automation primary and secondary fusion switch is subjected to abnormal identification and timely defect elimination, so that the effective perception of the distribution network is realized, and the accuracy and reliability of the distribution automation terminal are improved. And effective basic data support is provided for reliable operation of the power distribution network.

The invention provides a multi-target tracking method, which is used for solving the technical problems of uncontrollable multi-model calling efficiency, low feature extraction and recognition efficiency, easy target loss and low target tracking accuracy in the prior art, and comprises the following steps: obtaining a first video frame and a second video frame, the second video frame is a previous video frame adjacent to the first video frame; respectively processing the first video frame and the second video frame through a target detection network, determining a plurality of first targets in the first video frame and a plurality of second targets in the second video frame, and obtaining pose information corresponding to each first target and each second target; respectively calculating predicted pose information of each second target in the first video frame according to the pose information corresponding to the plurality of second targets; and performing target matching based on the predicted pose information and the pose information corresponding to the plurality of first targets, and performing tracking according to a target matching result.

The invention provides a remote monitoring system for tower cranes. By collecting all the on-site information in the operation room, and then using the management and display system to automatically display the on-site information reasonably, it assists operators to quickly, effectively and fully Perceive the state of the tower crane and its surrounding environment, and then remotely control the tower crane to complete the hoisting operation through the control command processing system, completely changing the operation mode of the tower crane. The present invention refines the management and display system step by step, and automatically refines the most effective information at that time to display to the operator according to the working conditions of the hook, so that the operator only needs to focus on the main screen, avoiding the difficulty of focusing on the most effective information at that time due to too much information. required information, thereby improving work efficiency.

The invention belongs to the field of three-dimensional reconstruction and situation awareness, and discloses a three-dimensional scene real-time updating method in a helicopter-borne environment. Themethod based on synthetic vision technology comprises the steps of airborne inertial navigation equipment and photoelectric aiming line pose data analysis, terrain space transformation matrix construction, multi-view transformation matrix construction and scene node transformation matrix application. Under the driving of the method, the synthesized visual scene can generate an airplane external scene which is continuously updated in real time or an airplane motion scene which is externally observed.