77results about How to "Increased realism" patented technology

The present invention provides a method of generating augmented reality surroundings illumination model by a spherical panoramic camera real time, including: (1) placing the spherical panoramic camera in the augmented reality surroundings, placing in the viewport of the virtual worlds, real-time collecting panoramic picture; (2) processing the texture map having optical property aimed at the real world object after being collected panoramic picture of the step 1; (3) calculating collected panoramagram light intensity value aimed at the virtual world object after being collected the panoramic picture of the step 1, processing illumination model pattern matching, generating virtual world illumination model by the calculation; (4) calculating the illumination model of the augmented reality site under the condition of interactive local impact of the consideration reconstruction model and the virtual object model. The invention real-time generates illumination model in the complex photoenvironment, having advantage of support augmented reality site real time interactive.

The invention provides a SAR image sample generation method based on a sketch and structure generation antagonistic network, which mainly solves the problem of sample imbalance in the semantic segmentation of the SAR image. The method comprises the following steps of: (1) sketching a SAR image to obtain a sketch map; (2) according to the region map of SAR image, extracting the small extremely heterogeneous region; (3) constructing a paired data set of sketch blocks-SAR image blocks; (4) selecting the samples from the data set to compose the training set and the test set; (5) constructing a generating antagonistic network based on sketch information and structural constraints; (6) training the sketch fitting network, the discrimination network and the generation network alternately by sketch line loss, antagonistic loss and generator loss,; (7), inputting a test sketch block to the trained generation network to obtain a generated SAR image block. The invention can generate SAR image samples coinciding with the original SAR image ground object structure according to the sketch map, and can solve the sample unbalance problem of extremely uneven region classification of the SAR image.

The invention relates to a flexible external skeleton elbow joint based on aerated muscle, which is formed by two aerated muscles and one single-freedom rotation couple, to realize the single-freedom rotation of elbow joint. The invention uses aerated muscle as the element of joint to simulate the motion of muscle; the operator can wear said device, via the torque sensor mounted on the rotation couple to obtain the motion parameters, to operate the industrial mechanical hand. And it can control the air pressure of muscle chamber of joint to realize the force feedback. The invention has wide application, as the healthy return device of patient.

The invention provides an LOD model generation method based on a linear quadtree. The method comprises the following steps: performing linear quadtree segmentation on to-be-drawn terrain, storing data of the to-be-drawn terrain in a two-dimensional array, reading information of each node in the linear quadtree from the two-dimensional array through an index, storing leaf node information of the linear quadtree, organizing terrain nodes, enabling the terrain nodes in the linear quadtree to be stored in a one-dimensional array, establishing a terrain node evaluation mechanism on the basis that a static error and a dynamic error are considered, performing crack elimination on different segmentation levels of the adjacent terrain nodes, and obtaining an LOD model based on the linear quadtree. The method is applied to a terrain simplification aspect in a computer graphics and image field, and the terrain nodes are organized by utilizing a linear quadtree storage model and through combination use of a two-dimensional filling curve; on the basis that error factors are fully considered, the node evaluation mechanism is established, and a terrain crack problem is eliminated; and terrain drawing efficiency can be obviously improved.

The invention relates to the field of projection lamps, and discloses a projection lamp simulating the sky effect. The projection lamp comprises a first light emitting assembly. The first light emitting assembly comprises a first light source for generating first light, first ground glass arranged on a light path of the first light and a convex lens, wherein the first light source, the ground glass and the convex lens are arranged in sequence. The first light emitted by the first light source penetrates the first ground glass and the convex lens to be projected to a surface to show the cloud effect. According to the projection lamp, the first ground glass is arranged between the first light source and the convex lens, the first light emitted by the first light source penetrates the first ground glass and the convex lens and then shows the cloud effect in a shape similar to a cotton ball on the surface, and therefore the aim of creating the sky effect indoors is achieved.

The invention provides a contingency plan co-simulation method for chemical laboratory hazardous material management and systems thereof. The method comprises the following steps of establishing a scene model of a virtual chemical laboratory hazardous material, a virtual laboratory emergency equipment model, a virtual accident model and a plurality of pre-arranged planning exercise member sub-systems; simulating an accident site according to the scene model of the virtual chemical laboratory hazardous material and the virtual accident model; corresponding pre-arranged planning exercise member sub-systems are connected, virtual laboratory emergency equipment model and contingency plans are correspondingly selected according to a user instruction, and collaborating the pre-arranged planning exercise member sub-systems to conduct accident handling simulation. The contingency plan co-simulation method and the systems of the method can conduct contingency plan simulation on chemical laboratory hazardous material management in the power industry, can virtualize various emergencies possibly happening in a laboratory and can virtualize large scale personnel collaboration pre-arranged planning exercise simulation of different granularities and polymerization degrees.

The invention relates to a defensive driving simulation, experience and training system based on a real vehicle body. The defensive driving simulation, experience and training system comprises a multi-freedom moving platform, and a real vehicle body module which is installed on the multi-freedom moving platform and move synchronously with the multi-freedom moving platform. The real vehicle body module and the multi-freedom moving platform are connected with a console through a data acquisition and processing module, and the console is connected with a visual simulation module and hearing simulation module. The defensive driving simulation, experience and training system effectively creates a vivid road traffic environment, and realizes defensive driving simulation and experience, so that an experience effectively masters safe driving skills, improves safe driving awareness, and develops good driving habits. The defensive driving simulation, experience and training system is good in adaptability, and is highly safe and reliable.

The invention relates to computer simulation and provides a three-dimension visual simulation method and a three-dimension visual simulation system for driving simulation. The method specifically comprises the following steps: loading a three-dimension scene model for running of a train along a track; refreshing a running image, in which a user drives the train, output to the user at a fixed frequency, wherein each refreshing includes correspondingly updating the three-dimension scene model according to a scene state input signal and correspondingly updating the signal machine state in the three-dimension scene model according to a signal machine state input signal; calculating the viewpoint and the view angle of the user in the three-dimension scene model at the current moment according to a movement state input signal of the train; and refreshing the running image, in which the user drives the train, output to the user according to the updated three-dimension scene model as well as the viewpoint and the view angle. High-fidelity three-dimension visual simulation in different environments is realized, which can help improve the training effect of CBTC training.

The invention relates to a dynamic stress accelerated life test profile compilation method. The method comprises the following steps that 1, on the basis of a damage equivalent principle, dynamic stress is converted into static stress within a certain time interval; 2, on the basis of the step 1, an equivalent relation of a dynamic stress accelerated factor and a static stress accelerated factor is obtained; 3, the dynamic temperature stress is adopted as the dynamic stress, and on the basis of an Arrhenius model, dynamic temperature accelerated stress accelerated factor computational formulais obtained; 4, the dynamic temperature accelerated stress profile is compiled, and three parameters including a dynamic temperature accelerated stress mean value Tm*, a dynamic temperature accelerated stress amplitude Ta* and a dynamic temperature accelerated stress cycle period w* are determined. According to the method, the dynamic stress accelerated life test profile can be designed accordingto the dynamic change environment actually adopted by products, the reality degree simulated by the environment conditions in the accelerated test is improved, and it is ensured that the product failure mechanism in the test is consistent to that under the actual service condition.

The invention discloses a method for simulating a verisimilar target echo, belonging to the field of electronic simulation. A plane wave database concept is derived from a multi-level subalgorithm of electromagnetic calculation, i.e. a scattered field of a target under incident wave excitation in any direction can be described by k plane waves, wherein k is related to the electrical size of the target. The invention expands the plane wave database concept, indicates K*K plane waves of the target under the excitation of an incident field in k directions according to a reciprocity principle and can accurately describe the scattered field generated by the excitation of the target in any incident direction and form a perfect broadband plane wave database N*K*K by N K*K databases under N different frequencies; and the scattered field of the target in any incident direction and frequency can be directly read by the broadband plane wave database or obtained through interpolation. The invention realizes the real-time simulation of the verisimilar target echo and can serve multiple radar application technologies, such as radar imaging, image features, target property, target identification, figuration design, and the like.

The invention relates to the technical field of backlight of a white-light LED, in particular to a high-gamut fluorescent powder combination. The fluorescent powder combination comprises red-light fluorescent powder, green-light fluorescent powder and yellow-light fluorescent powder in mass ratio of (1-4):(0.5-2):(0.5-2), wherein the red-light fluorescent powder is potassium fluorogermanate, and the yellow-light fluorescent powder is silicate. The invention also provides the white-light LED. The white-light LED comprises fluorescent glue obtained by combining the above fluorescent powder. The invention further comprises a fabrication method of the white-light LED. The fabrication method comprises the following steps of weighing the above red-light fluorescent powder, the green-light fluorescent powder and the yellow-light fluorescent powder in mass ratio of (1-4):(0.5-2):(0.5-2), mixing the above fluorescent powder with a colloid to obtain the fluorescent glue, and further fabricating to obtain the required white-light LED by adopting the fluorescent glue. By the high-gamut fluorescent powder combination and the fabrication method of the white-light LED, a high-gamut white-light LED can be obtained, has the advantages of relatively high color saturation and is more realistic.

The invention provides three-dimensional imaging equipment, which is used for respectively displaying a plurality of two-dimensional layers formed by cutting of a three-dimensional scene to form a plurality of two-dimensional pictures, and enabling images of the two-dimensional pictures to be combined into images of the three-dimensional scene. The equipment comprises a display device and a light polarizing device. The equipment is characterized in that: the light polarizing device comprises a plurality of square flat semi-reflective semi-transparent optical devices with the same sizes; each semi-reflective semi-transparent optical device comprises a reflection surface for reflecting light rays and a transmission face for transmitting light rays; the reflection face and the transmission face are located on two opposite faces of each semi-reflective semi-transparent optical device; the semi-reflective semi-transparent optical devices are mutually parallel or vertical; the display device comprises a plurality of square flat displays; all the displays and the semi-reflective semi-transparent optical devices are all vertical to the same plane; each display forms a 45-degree angle with the reflection face or the transmission face of each semi-reflective semi-transparent optical device; and the centers of the images formed by the displays in the first semi-reflective semi-transparent optical device are located on the same straight line.

The invention discloses a virtual character driving method and device, equipment and a storage medium, and relates to the technical field of computer vision. According to the specific implementation scheme, a to-be-processed material is obtained, the to-be-processed material is any one of the following contents: video, voice and text, the to-be-processed material is processed to obtain driving data of a target virtual character in the to-be-processed material, and the driving data comprises emotion data and a facial expression vector and a body posture vector corresponding to the emotion data; when a target video corresponding to the to-be-processed material is played, the target virtual character is driven to execute a corresponding action based on the driving data. According to the technical scheme, the target virtual character is driven based on the driving data including the emotion data, the facial expression vector corresponding to the emotion data and the body posture vector, so that the fine control of the virtual character is realized, expensive head-mounted equipment is not needed, the cost is reduced, and the application range is expanded.

The present invention discloses an active imaging type infrared stealth system. The active imaging type infrared stealth system is composed of a thermal imaging system, an image acquisition processing system, an infrared LED drive circuit and an infrared LED display system. The main characteristics of the present invention are that the infrared LED display system is arranged in various directions of the stealth system regionally, the image acquisition processing system acquires a background infrared image generated by the thermal imaging system, at the same time, transforms a background gray level image into a modulation pulse width image according to the corresponding correlation of the modulation pulse width of an infrared LED and an image gray level, and then zooms and segments the image to form the segmentation data blocks corresponding to the number of the display sub-units and send the segmentation data blocks to the infrared LED drive circuit, and the infrared LED drive circuit controls the infrared LED display system to display the background, so that the infrared characteristics of the stealth system in a hostile infrared system are similar to the background, and accordingly, the stealth purpose is achieved. The active imaging type infrared stealth system of the present invention has the advantages of being high in camouflage fidelity, fast in stealth speed and simple in structure, being easy to install and disassemble, etc.

The invention discloses a distribution network transport inspection interacted simulation practical training device which comprises a working station, a human body recognizer and a video output system. The human body recognizer is connected with the working station and is used for converting movements of a human body into digital signals. The video output system is connected with the working station and is used for displaying video signals output by the working station in a virtual scene. A distribution network transport inspection interacted simulation practical training method includes the steps that a trainee does a specific movement to the human body recognizer. If the movement is qualified, the working station carries out binding to a key position of the body of the trainee and carries out real-time tracking. The trainee does different movements in a simulated practical training scene according to a three-dimensional virtual scene and carries out simulated distribution network transport inspection operation. The working station obtains various limb movement information of the trainee, carries out processing to the information and projects the information into the three-dimensional virtual training scene, and consequently interaction between the trainee and the virtual operation is achieved. The distribution network transport inspection interacted simulation practical training device and the method have the advantages of effectively reducing operational risks of the trainee and investment of equipment, and improving the training effects of the trainee in a distribution network transport inspection interacted simulation practical training system.

The invention belongs to the field of wig manufacturing and relates to artificial scalp for hair wearing and a preparation method of the artificial scalp. The artificial scalp for the hair wearing is prepared by the following components, by weight: 5%-30% of polyurethane glue A, 5%-10% of polyurethane glue B and 60%-80% of butanone. The preparation method of the artificial scalp for the hair wearing comprises the following steps: (1) preparing the polyurethane glue A, the polyurethane glue B and the butanone according to the formula of the artificial scalp; (2) mixing the polyurethane glue A, the polyurethane glue B and the butanone at the temperature of 20-35 DEG C and obtaining mixed liquid; (3) painting the liquid obtained from the step (2) on the surface of a plastic shell uniformly, baking for 1.5 hours at the constant temperature of 30-60 DEG C, and enabling the mixed liquid to form a layer of film body on the surface of the plastic shell; and (4) repeating the step (3) for four times and finally forming the film body which is the artificial scalp. The artificial scalp for the hair wearing has the advantages of being good in transparency, basically consistent with the color of the human scalp, good in simulated effect and high in fidelity.

The invention provides a method and system of implementing 3D effect display in a 2D game. The method of implementing 3D effect display in a 2D game includes the steps: setting a virtual camera at the inclined top of a game role and a game scene where the game role is, wherein the level of the ground, represented in the virtual camera, the game role and the game scene can be changeable; finding a view for the game role and the game scene where the game role is through the virtual camera; according to the above content, determining the parts to draw, for the game role and the game scenes, the draw areas of the parts to draw in a game device display unit, and the corresponding image resource; loading the image resource, and successively drawing the game scene and the game role in the corresponding draw area; and when each level changes, redetermining the above content. The invention also provides a system of implementing 3D effect display in a 2D game. The method and system of implementing 3D effect display in a 2D game can overcome the defect that 3D effect is difficult to display in a 2D game, thus greatly improving the life-like degree displayed by game animation effect and increasing the sense of substitution and game experience of a player.

The invention discloses an improved SAR scattered wave interference method based on a floating platform. A jammer used for installing the floating platform intercepts radar time-domain signals; the distance position of the modulation center of a radar irradiation region, the course difference between the target center and the new modulation center and the course difference between the new modulation center and the irritation center are calculated, and the sum of the two course differences is calculated; a phase modulation coefficient is calculated by means of the sum of the course differences, and phase modulation is conducted on the radar time-domain signals; gain modulation is conducted on the signals modulated in a phase mode so as to form interference signals; a time-delay difference is calculated, N pulse recurrence intervals are added to the time-delay difference, and a delay clock number is calculated; the interference signals are transmitted to the radar irradiation region by means of the delay clock number, the interference signals interfere in later pulse signals, target-region echoes are overlaid with irradiation-region scattered echoes, and scattered wave interference is achieved. The improved SAR scattered wave interference method solves the problems that the interference modulation calculated amount is large and an interference scene defocuses, distorts and is small in interference range, and the improved SAR scattered wave interference method achieves efficient, vivid and large-range SAR scattered wave interference.

The invention relates to a method and device for controlling vibration through a terminal, and belongs to the field of information processing. The method for controlling the vibration through the terminal includes the steps of acquiring a user's touch area on a display screen; detecting whether or not an image displayed in the touch area of the display screen contains object information; if the image displayed in the touch area of the display screen contains the object information, generating a preset vibration command matched with the object information; executing the vibration command. By the adoption of the method and device for controlling vibration through the terminal, a user visually browses the image and acquires visual information of the image through the eyes, at the same time, the fingers or palms of the user can visually sense tactile information of the vibration of an object in the image, and the reality degree of image display is improved.

The invention discloses an active noise reduction system of a communication device and a noise reduction processing method of the same. The active noise reduction system comprises an identifiable signal detector, a noise detector and a signal processor, wherein the identifiable signal detector is used for detecting identifiable signals and transmitting the identifiable signals to the signal processor; the noise detector is used for detecting noise signals around the communication device and transmitting the noise signals to the signal processor; the signal processor is used for noise reduction processing of the identifiable signals according to the noise signals to obtain noise reduction processing signals; and the signal processor is respectively connected with the identifiable signal detector and the noise detector. The same noise signals doped in the identifiable signals can be neutralized or counterbalanced according to the detected noise signals so as to obtain the noise reduction processing signals. Therefore, the communication quality of audio signals can be improved, and the fidelity, the clarity and the identifiability of the audio signals can also be improved.

The invention discloses a training method, system and device of an image style migration model and a storage medium. Three parts of losses are designed to train the image style migration model: 1) the optimal balance of a generator and a discriminator can be achieved through the total confrontation loss; the method has the advantages that the method is simple, the reconstruction effect of the generator can be guaranteed through the total circulation consistency loss, the fidelity degree of the output image of the generator can be improved through the comparison loss, the image style migration model is trained by integrating the three losses, the image style migration capability can be improved, and the better image after style migration can be obtained.

Provided is a flight simulator. The flight simulator includes a hardware system, a vision system, a sound effect system and a motion system; the hardware system is used for sending a motion control instruction to the vision system for controlling the motion of an aircraft model in the vision system; the vision system is used for outputting first motion data of operating of the aircraft model basedon the motion executed by the aircraft model according to the motion control instruction; the motion system is used for processing the first motion data to obtain second motion data of a six-degree-of-freedom motion platform in the motion system after receiving the first motion data to control the six-degree-of-freedom motion platform to conduct motions; the sound effect system is configured to control the sound effect of an engine of the flight simulator according to the first motion data after receiving the first motion data. The simulator solves the technical problem of poor fidelity of flight simulation in the prior art.

The invention discloses a high-fidelity missile-borne radar echo simulation method, and the method comprises the steps: defining a universal characteristic quantity through a characteristic model of a complex target and the change rule of the motion attitude and transmission signals of a missile-borne radar in different scenes, and generating a pulse characteristic index file in advance; and continuous or segmented interception is controlled to generate high-fidelity radar echo signals. The high-fidelity missile-borne radar echo simulation method is suitable for high-fidelity missile-borne radar echo simulation in a complex electromagnetic environment and a high-speed motion scene.

The invention relates to an image special effect generation method and device, electronic equipment and a storage medium, and relates to the field of image processing. The embodiment of the invention at least solves the problem that the image special effect display is not vivid enough in the related technology. The method comprises the following steps: acquiring a current to-be-processed image frame, wherein the current to-be-processed image frame comprises a target object; acquiring historical motion information of the target object, target simulation external force information of the target object in a historical duration and a target motion track of the target object in the historical duration, wherein the historical motion information comprises historical position information and historical speed information of the target object in the last rendered image frame; determining the current target position of the target object according to the historical motion information, the target simulation external force information, the target motion track and the historical duration; and moving the target object in the current to-be-processed image frame to the current target position to generate a current rendered image frame.

The invention discloses a PBR material rendering method and system based on VRAY. The method comprises the steps that 1, model grouping preprocessing; 2, model light weight and UV expansion; 3, bakingthe PBR material; 4, double UV channel display; 5, compressing materials, including model compression and material compression; 6, a KSF description file; and 7, entering a PBR rendering system for real-time rendering. The invention has the advantages that Max model design files and Vray rich material systems can be efficiently and accurately converted into models capable of being displayed in WebGL in real time in a short time, the 3D real-time rendering application speed is high, and the requirements for used equipment and operating systems are reduced. According to the front-end real-timePBR rendering system, the real-time rendering effect close to the off-line rendering effect is truly displayed, the material effect is accurately expressed, and the realistic degree of 3D real-time rendering of the model is improved; the method solves the problems that traditional material baking cannot support tiled textures, and patterns are blurred when details are magnified and viewed.

The invention discloses egg yolk type edible essence and a production process thereof. The egg yolk type edible essence comprises main materials and auxiliary materials. The main materials comprise egg yolk powder, furanone, glucose, D-xylose, methionine, ethyl maltol and propylene glycol. The auxiliary materials comprise 2-acetylthiazole, thiol, heliotropin, pineapple aldehyde, diacetyl, vanillinand propylene glycol. The ingredients, the ratio and the preparation process are optimized. The aroma strength is improved by means of mutual tuning with synthetic spices through Maillard reaction, and the fidelity of the aroma is improved.

The invention relates to the technical field of flight simulation equipment and discloses a seat system capable of enabling a pilot to generate an overload feeling during driving of a flight simulator. The system includes hardware equipment and software, the hardness equipment includes a movement control cabinet and an overload seat, an overload seat industrial-control computer, four motor driversand a system power supply are arranged in the control cabinet, a movement control card is installed in the overload seat industrial-control computer, the overload seat software for receiving and analyzing dynamic data of the flight simulator through Ethernet is installed in the overload seat industrial-control computer, and the overload seat comprises a seat body and a bracket. The seat system enables the pilot to generate a great overload feeling.

The invention relates to the technical field of white LED backlight, in particular to a high-color gamut fluorescent powder composition. The fluorescent powder composition comprises red-light fluorescent powder, green-light fluorescent powder and yellow-light fluorescent powder at the mass ratio of (1-4) to (0.5-2) to (0.5-2), wherein the red-light fluorescent powder is potassium fluosilicate; and the yellow-light fluorescent powder is silicate. The invention further provides a white LED. The white LED comprises fluorescent glue which is prepared from the fluorescent powder composition. The invention further provides a preparation method of the white LED. The method comprises the steps of: weighing the red-light fluorescent powder, the green-light fluorescent powder and the yellow-light fluorescent powder at the mass ratio of (1-4) to (0.5-2) to (0.5-2); mixing the fluorescent powder with colloid to obtain the fluorescent glue; and further preparing the required white LED by the fluorescent glue. By the high-color gamut fluorescent powder composition and the preparation method of the white LED, the high-color gamut white LED can be obtained; and the high-color gamut white LED has the advantages of being relatively high in color saturation level and more realistic.

The invention provides a method and system of implementing 3D effect display in a 2D game. The method of implementing 3D effect display in a 2D game includes the steps: setting a virtual camera at the inclined top of a game role and a game scene where the game role is, wherein the level of the ground, represented in the virtual camera, the game role and the game scene can be changeable; finding a view for the game role and the game scene where the game role is through the virtual camera; according to the above content, determining the parts to draw, for the game role and the game scenes, the draw areas of the parts to draw in a game device display unit, and the corresponding image resource; loading the image resource, and successively drawing the game scene and the game role in the corresponding draw area; and when each level changes, redetermining the above content. The invention also provides a system of implementing 3D effect display in a 2D game. The method and system of implementing 3D effect display in a 2D game can overcome the defect that 3D effect is difficult to display in a 2D game, thus greatly improving the life-like degree displayed by game animation effect and increasing the sense of substitution and game experience of a player.

The invention relates to a flexible external skeleton elbow joint based on aerated muscle, which is formed by two aerated muscles and one single-freedom rotation couple, to realize the single-freedom rotation of elbow joint. The invention uses aerated muscle as the element of joint to simulate the motion of muscle; the operator can wear said device, via the torque sensor mounted on the rotation couple to obtain the motion parameters, to operate the industrial mechanical hand. And it can control the air pressure of muscle chamber of joint to realize the force feedback. The invention has wide application, as the healthy return device of patient.