63 results about "Smell Perception" patented technology

The invention discloses an intelligent directional and quantitative smell generation method in virtual reality olfaction interaction, and relates to the technical field of virtual reality. The invention provides an intelligent, directional and quantitative smell generation method in order to solve the technical problems that in smell generation work in virtual reality in the prior art, the variety and generation precision of smell are limited, an accurate smell concentration control mechanism is lacked, and interactive linkage with user actions and a virtual environment is lacked. In combination with an odor molecule dynamic combination technology, a deep learning prediction model, closed-loop concentration control and a spatial orientation transmission system, richer, personalized and immersive olfactory interaction experience is provided. Comprising a smell synthesis module, a digital smell control unit, an intelligent smell prediction model, a directional smell transmission system and a virtual wind field simulation module. The method is suitable for being applied to the work of intelligent directional and quantitative smell generation in virtual reality olfaction interaction.

The invention discloses a VR brain-computer interface system and method for olfaction-induced electroencephalogram, and the system employs a control module to control an olfaction generation module to generate smell, and control an image and video resource library to generate images or videos; the electroencephalogram signal acquisition module is used for acquiring electroencephalogram signals and sending the electroencephalogram signals to the signal processing module; a near-infrared signal acquisition module is used for acquiring a near-infrared signal and sending the near-infrared signal to a signal processing module; processing the electroencephalogram signal and the near-infrared signal by using a signal processing module to obtain a signal processing result, and sending the signal processing result to a control module and a communication module; the control module is used for controlling the smell generation module to generate smell and controlling the image and video resource library to generate images or videos according to the signal processing result; and sending a signal processing result to the mobile terminal by using the communication module. According to the method, virtual reality and olfactory stimulation are fused, multi-sense synergy is achieved, and immersive experience is provided for the user.

A microminiature insect smell induction and smell selection behavior observation device is characterized in that a smell induction device comprises a feeding chamber (1) and connecting pipes connected to the two ends of the feeding chamber (1), and the outer sides of the connecting pipes are connected with a smell storage chamber; air holes (15) are formed in the top of the feeding room (1), and a solution delivery device is arranged on the front; each connecting pipe is composed of a high-density sponge hollow sealing plug and a plastic sleeve with one end open and the other end provided with a breathable gauze element. The smell storage chamber is composed of a smell storage chamber body and a closed silica gel plug or a hollow silica gel plug, the two ends of the smell storage chamber body are open, and a breathable gauze is arranged in the center in the smell storage chamber body to prevent the trichogramma ovipositor from touching smell substances. The device is simple in structure, is suitable for smell research of trichogramma, has the advantages of high efficiency and labor saving, and can obviously improve the experiment efficiency.

An object of a system according to an embodiment is to propose an optimum meal substitute based on the preference and health condition of a user and to interpolate visual information and aroma information.SOLUTION: A system includes a proposal part, a visual interpolation part, and a fragrance interpolation part. The suggestion unit suggests an optimum meal substitute based on the preference and health condition of the user using the generated AI. The visual interpolation unit visually interpolates the meal substitute proposed by the proposal unit via the AR terminal. The scent interpolator interpolates the scent information of the meal substitute suggested by the suggester via the AR terminal.SELECTED DRAWING: Figure 1

The invention relates to a breathing type gas detection instrument and a mobile robot. The breathing type gas detection instrument comprises a middle gas chamber, a digital processing circuit, a gas inlet / outlet, a first gas flow channel and a second gas flow channel, the gas inlet and outlet is communicated with the middle gas chamber to form a first gas flow channel, the first gas flow channel is provided with a detection section, a smell sensor is arranged in the detection section, and the middle gas chamber is connected back to the detection section through a second gas flow channel; an air compression device is arranged in the first air flow channel to drive air inlet of the middle air chamber, an electric control air inlet valve or a one-way valve forms one-way air inlet of the middle air chamber, and an electric control air outlet valve is arranged in the second air flow channel to control air outlet of the middle air chamber. Gas for neutralization is stored in the neutralization gas chamber, and the neutralization gas chamber has a first state in which gas enters through the first gas flow channel under the driving of the air compression device and a second state in which the smell sensor is deflated and cleaned through the second gas flow channel under the opening of the electric control gas outlet valve; and the digital processing circuit is respectively coupled with each olfactory sensor, the air compression device and the electric control valve.

An information processing method includes: obtaining identification information for identifying a user; presenting content including a content event to the user; generating a substance that stimulates the user's sense of smell, at a timing of presenting the content event; and outputting correspondence information in which the identification information obtained, emotion information indicating an emotion of the user at the timing of presenting the content event, and substance information indicating the substance generated are associated with each other.

The invention discloses a traditional Chinese medicine decoction piece quality evaluation method fusing multi-modal intelligent sensory data. The method comprises the following steps: step 1, acquiring and preprocessing multi-modal sensory data; 2, performing feature extraction to obtain a sensory feature vector of each kind of sensory data; 3, performing feature level fusion on the visual feature vector, the smell feature vector and the taste feature vector to generate a comprehensive sensory feature vector set; 4, performing feature analysis on the comprehensive sensory feature vector by using an improved t-SNE algorithm, and generating a quality evaluation result by using LightGBM; 5, analyzing the trend of quality fluctuation of the traditional Chinese medicine decoction pieces by using a time sequence analysis method, and predicting a potential quality problem and a future quality change trend; and step 6, outputting a quality evaluation report and performing data visualization display. According to the invention, through multi-modal data fusion and the improved t-SNE algorithm, the accuracy of quality evaluation of the traditional Chinese medicine decoction pieces is improved.

Embodiments of a scent diffusing device for enhancing the olfactory experience of users receiving supplemental oxygen are disclosed herein. The device comprises a scent diffuser housing, a scent diffusion mechanism within the housing, and connectors for integration with standard oxygen tubing systems. The scent diffuser housing accommodates a scent diffusion mechanism, which may include a diffuser pad saturated with scent oil. The housing is designed to integrate with standard oxygen tubing systems used in medical facilities and home healthcare settings. The device can be configured to connect directly to the oxygen source via standard oxygen tubing or to be placed in the airflow between the oxygen source and the user's nasal cannula or mask. Importantly, no modification of the existing oxygen tubing, machine, or mask is required for installation. The scent diffusing device offers a solution for delivering scent to individuals using supplemental oxygen, thereby enhancing their sensory experience.

The application discloses an edge perception and instinct reflex control method and system based on bionic nerve data flow, and belongs to the field of bionic robots and intelligent sensing control. The application collects photon cloud density matrix, nerve topology and particle oscillation frequency data flow through a global bionic nerve data bus, and analyzes puncture stress and temperature gradient characteristics through edge calculation. When puncture damage or extreme temperature change occurs, a bypass interruption link is built to bypass the top center and directly output risk avoidance and heat balance instructions, so that microsecond-level instinct reflex is realized. After disposal is completed, data is packaged according to a protocol and is reported to the top center asynchronously. The application decouples software and hardware, realizes perception by relying on algorithms, does not need special sensing hardware, reserves a standardized interface to extend multi-sensory modules such as hearing and smelling, solves the defects of high time delay and poor hardware adaptation of a traditional control link, and is suitable for humanoid robots, soft bodies, bionic prosthetic devices and the like.

The invention provides a curing cabin for autistic children and a control method, and relates to the technical field of medical technical equipment. According to the technical scheme, the curing cabin for the autism children comprises a cabin body; the cabin door is connected with the cabin body; the seat is located in the cabin body, an expansion air bag is arranged on the seat, and the expansion air bag is arranged in the seat; the interactive display screen is positioned in front of the seat in the cabin body; the sound equipment is positioned on the cabin body on the rear side above the seat; the fragrance mechanism is located on the inner side of the top of the cabin body; and the illumination mechanism comprises a main illumination part located on the inner side of the top of the cabin body, and an auxiliary atmosphere lamp strip located on the inner side of the cabin body. The invention aims to provide a relatively closed treatment environment through the treatment and healing cabin and combine vision, hearing, smell and touch to treat and cure autism symptoms of children.

The utility model belongs to the technical field of auxiliary devices, and particularly relates to an auxiliary device for visually impaired people to perceive colors in multiple dimensions, which comprises a book body, each page of the book body is respectively provided with a color marking card, a description card, an olfaction module and a touch module, different colors are marked on each page of the color marking card, and each page of the book body is provided with an olfaction module and a touch module. According to the braille learning book, visual impaired children can conveniently touch and read the braille learning book, the color marking cards and the touch module are fixedly connected with the book body through hook-and-loop fasteners, and shifting sense intercommunication is generated between various feelings and vision through the touch module and the olfaction module, so that things can be deeply known from multiple angles, and the visual impaired children can conveniently read the braille learning book. The visual impaired children can perceive colors in a more vivid and multi-dimensional mode, the feeling of the colors is deepened, description of the colors is more understood, and a certain foundation is laid for spoken language application and writing in the future.

To provide a device capable of measuring a functional MRI when a sense of smell of an experimental animal is stimulated.SOLUTION: Provided are: a sense-of-smell stimulator for a functional MRI having a sense-of-smell stimulator for functional MRI imaging having a sense-of-smell stimulation substance supply part and a sense-of-smell stimulation substance suction part; and a sense-of-smell analysis method.SELECTED DRAWING: Figure 1

The invention discloses fermented grain bait as well as a preparation method and application thereof, and relates to the technical field of feed. The fermented grain bait comprises the following components: a fermented culture obtained by fermenting basic grain bait with a lactobacillus salivarius zymophyte liquid and homogenizing cockroaches, and an adhesive slurry obtained by uniformly mixing sunflower plate pectin powder, dried corn stigma, calcium chloride and water. The basic grain bait and the cockroach homogenate serve as main raw materials, the fermentation culture is obtained through fermentation of the lactobacillus salivarius zymophyte liquid, fish luring components in the fermentation culture are rich, the extremely strong stimulation effect on the taste sense and the smell sense of fishes is achieved, the fish luring effect is improved, and the number of times of biting and hooking is increased. In addition, the prepared bait has excellent atomization performance and hook holding performance, and the fishing efficiency can be improved.

The invention discloses a cigarette smoke component analysis method with an aroma sensory characteristic portrait as a guide. The cigarette smoke component analysis method comprises the following steps: S1, performing targeted quantitative detection on cigarette smoke components; s2, classifying compounds according to a quantitative detection result; and S3, drawing a smell profile diagram according to a calculation result. From the perspective of cigarette sensory analysis, cigarette smoking aroma characteristic portraits (digital analysis results) are taken as research and development guidance, and aiming at very complex cigarette smoke detection results, smell effect parameters such as compound aroma types, compound smell threshold values, source attributes (tobacco leaf transfer, smoke combustion and external source addition) and the like are subjected to quantitative analysis, so that the cigarette smoking aroma characteristic portraits and the cigarette smoking aroma characteristic portraits are obtained. As a technical link for communication between smoke detection compounds and sensory characteristics, a smell analysis method of a cigarette smoke detection result is constructed by drawing a cigarette smell profile diagram and an exogenous additive smell profile diagram, so that visual evaluation of cigarette smoke smell characteristics is realized; and a support is provided for sensory quality control of cigarette products and source tracing of exogenous additives.

The invention discloses a multi-mode VR interaction system and method for depression rehabilitation, and the system comprises a signal collection device which is used for synchronously collecting physiological signals of a user; the reinforcement learning device is used for determining scene adjustment parameters based on the user physiological signals; the intelligent interaction device is used for adjusting at least one of the visual sense, the touch sense and the smell sense of the user based on the scene adjustment parameters, and the reinforcement learning device comprises a state recognition unit; a strategy optimization unit; and a scene parameter adjustment unit. According to the system, accurate monitoring and dynamic regulation and control of the physiological state of a patient are achieved, the rehabilitation effect is improved, ruminant thinking is reduced, a data-driven mediation effect model is constructed, and a brand-new and all-around technical solution is provided for depression positive breathing rehabilitation.

A system and method for delivering olfactograms. A method includes determining a scent availability of a scent dispensing device based on a plurality of scent essence statuses, wherein each scent essence status at least includes an amount of a respective scent essence disposed in the scent dispensing device; causing a plurality of scent options to be presented to a user via a user device, wherein the plurality of scent options is based on the scent availability; generating data indicating at least one scent to be dispensed by the scent dispensing device based on at least one user input provided by the user via the user device in response to the presentation of the plurality of scent options to the user; and transmitting the generated data, wherein the scent dispensing device is configured to dispense the at least one scent based on the transmitted data.

The invention relates to the technical field of odor analysis, and discloses an odor database analysis method based on an odor region, which comprises the following steps: collecting odor analysis information of a target odor and user experience information, and analyzing to obtain a user odor sensing feature based on the odor analysis information and the user experience information; the method comprises the following steps: classifying smell perception characteristics according to personal information of a user, integrating the classified smell perception characteristics to form a smell map consisting of a plurality of smell areas, carrying out statistical analysis on the user smell perception characteristics of each smell area in the smell map, extracting map characteristics, and sending the map characteristics to the user; the method can systematically identify and classify the perceptual characteristics of the user to the smell, displays the individual perceptual differences through the smell map, improves the understanding of the influence on the smell, provides data support for further analysis and optimization of smell related applications, and solves the problems that in the prior art, only the characteristics of the smell are collected, and the user experience is poor. The perceptual characteristics of different areas on the smell cannot be fed back.

The utility model belongs to the field of landscape devices, and particularly relates to an interactive landscape device based on five-sense experience, which comprises a base, two sides of the front side of the top of the base are fixedly connected with a rotating frame and a fixed box respectively, and the top of the fixed box is fixedly connected with a control seat. A touch screen and a control key are fixedly connected to the two sides of the front surface of the control seat correspondingly, and three aromatherapy boxes are fixedly connected to the bottom of an inner cavity of the fixed box from left to right in sequence; through the display screen, a user can conveniently know the landscape through vision, through a model installed on the limiting sleeve, the user can conveniently know the landscape through touch, through aromatherapy stored in the aromatherapy box, the user can conveniently know the landscape through smell, and through the loudspeaker, sound can be played, so that the user can conveniently know the landscape through auditory sense; the special food is stored in the food placing box, so that a user can conveniently know the landscape through the taste sense, and people can more comprehensively know the scenic spot condition through five senses by adopting multiple modes.

The invention relates to an interactive healing lamp system based on emotion recognition. After a user touches and starts the device, the system synchronously collects pulse data of the user and selectively carries out facial image recognition, and the current emotional state is judged based on heart rate variability (HRV) analysis and expression characteristics. The system generates healing feedback after fusing multi-modal data, automatically controls light brightness, color change, fragrance and negative oxygen ion release and voice and character pacifying guide content, and realizes body and mind regulation and emotion healing. The system is suitable for scenes such as meditation guiding, emotion relieving and sleep assisting, and has the characteristics of active perception, personalized response, visual / olfactory / auditory linkage output and the like.

The invention belongs to the field of tourism recommendation, and particularly relates to a tourism destination recommendation method and system based on sensory impressions. The method comprises the following steps: acquiring a basic data set of tourist destinations and a user online evaluation set of each tourist destination, and performing text word segmentation and stop word removal on text data to obtain a text sequence in a standardized form; high-frequency sensory vocabularies are divided into five dimensions of vision, hearing, smell, taste and touch, and a semantic framework of a structured mode director is formed; inputting the standardized text sequence into an information extraction model based on a UIE framework, automatically extracting sensory description entities according to an SSI mode, and generating a tourist destination sensory impression knowledge table; and aiming at user demands, generating a Top-N recommendation list according to the sensory coding proportion, and completing tourist destination recommendation. According to the method, the problem of insufficient tourist demand matching precision caused by lack of structured sensory knowledge representation of a traditional recommendation system is solved.

The invention relates to the technical field of food detection devices and methods, in particular to a household device for conveniently detecting aflatoxin and a use method.The household device comprises a handheld outer barrel, a smell detection assembly, an optical detection assembly, an airflow flowing mechanism and a signal processing and control assembly; the smell detection assembly comprises a taste sensor array installed at the lower end of the air gathering barrel and a smell sensor array located at the upper end of the taste sensor array, and the optical detection assembly comprises a color sensor, an irradiation lamp and an AI image recognition sensor which are located on the taste sensor array. According to the food color and image feature detection device, food is detected from multiple dimensions through cooperation of the taste sensor array and the smell sensor array, the accuracy of the detection result is improved, and the food color and image feature detection device is convenient to carry to different scenes for use and is more convenient.

The invention relates to the field of education, and discloses a multi-sensory interaction story book implementation method based on an AR technology, and the method comprises the following steps: S1, obtaining preset image identification information in a story book, and building a spatial anchor point; s2, loading corresponding three-dimensional virtual content in an augmented reality rendering space according to the space anchor point; s3, triggering a multi-sensory output device to perform feedback according to the story progress and the corresponding three-dimensional virtual content; s4, collecting a voice input or action input signal of the user, and dynamically adjusting virtual content display according to an identification result; and S5, recording user interaction data and updating and optimizing content output. And the multi-sense driving module uniformly manages hearing, touch, smell and temperature feedback, and performs delay correction by using a time synchronization control protocol, so that the rhythm of sound, vibration and an AR picture is kept consistent, and a user can hear, touch and feel a multi-position integrated effect during reading.

A device and system automatically release scents in an immersive environment. When an audio / video signal includes a sound or image associated with an event correlated to one of the scents, the device releases the scent to provide the improved immersive experience with the sense of smell included in the scene. The occurrence of an event may be predicted by an artificial intelligence engine. The artificial intelligence engine may determine when an event associated with a scent to be dispensed is going to occur so that the timing of the dispense is more accurate and correlated with the timing of the action in the audio / video signal.

The utility model discloses a lifting type smell source intelligent search olfaction robot, and belongs to the technical field of robot equipment. The robot is mainly composed of a robot platform, a motion unit, a sensing unit and a lifting unit. Wherein the robot platform comprises a lower chassis, an upper chassis, a supporting rod and an intelligent control power supply module and is used for supporting and controlling other modules; the moving unit is composed of moving wheels and a driving motor and is responsible for providing moving ability for the robot; the sensing unit is composed of a gas sensor, an ultrasonic sensor, a wind direction sensor, a depth camera and a gas sensor group and is used for environment sensing and smell source positioning; and the lifting unit comprises a lifting base, a motor, a lead screw, a lifting platform, a lifting rod, a lead screw nut, a connecting rod and a gas sensor group, so that the robot can realize smell tracing in a three-dimensional space. According to the utility model, three-dimensional search can be carried out on smell sources at different heights in a three-dimensional space, so that the three-dimensional search device has higher practicability and value.

A method of measuring an individual's taste and / or smell perception comprises a system to deliver to a user pluralities of artificial flavour sensations to be compared each comprising a plurality of taste and smell components selected from the group comprising sweetness, sourness, saltiness, bitterness, umami, astringency, capsaicin, oiliness, and aroma components. Each plurality contains at least one base flavour and one flavour to be compared against the base flavour. Delivery for the flavours can be through cups, vials, or other vessels. The system may identify a deviation of individual's flavour perception from that of a normal population's flavour perception distribution.

The application discloses a cigarette smoke sweet feeling enhancement method based on aroma synergy, which comprises the following steps: preparing a sweet feeling enhancement base: dissolving or dispersing an aroma composition composed of milk flavor, caramel sweet flavor and fruit sweet flavor in a solvent to form a sweet feeling enhancement base; applying the sweet feeling enhancement base: applying the prepared sweet feeling enhancement base to cigarette material to obtain cigarette material treated by the sweet feeling enhancement base; subsequent treatment: balancing the cigarette material treated by the sweet feeling enhancement base and rolling the cigarette material into cigarettes. The cigarette smoke sweet feeling enhancement method based on aroma synergy does not directly act on taste buds, but adds specific aroma combinations that can effectively induce and enhance sweet feeling perception, utilizes the cross-modal interaction of olfaction-taste, and forms a stronger and more natural sweet feeling experience in the brain of consumers; the method does not directly stimulate taste buds, and fundamentally avoids the after-bitterness and metallic taste possibly caused by excessive sweeteners.

A learning assistance system based on multi-sensory feedback relates to the technical field of teaching assistance systems, and comprises a sensing feedback terminal used for collecting multi-source state data of a user during reading / learning in real time; the control module is used for uploading the multi-source state data to the cloud processing server; the cloud processing server is used for analyzing the multi-source state data, identifying the current reading / learning process of the user, matching a corresponding multi-sensory intervention strategy based on an identification result and returning the multi-sensory intervention strategy to the control module; the control module drives the perception feedback terminal to perform real-time interaction with the user through one or more combination forms of visual sense, auditory sense, tactile sense and smell sense based on a multi-sensory intervention strategy so as to dynamically adjust the reading / learning process of the user; the method is used for solving the problems that an existing learning auxiliary means is single in interaction mode and cannot effectively deal with attention distraction and cognitive fatigue of a user.

A system for training detection dogs comprising a central computer; a plurality of olfactometers operably connected to the central computer, each olfactometer comprising one or more sampling ports; a plurality of odor channels in fluid communication with the sampling port; an independent controller operably coupled to the plurality of odor channels; and one or more sensors connected to the one or more sampling port; a cover disposed to the one or more covers and uncover one or more of the one or more sampling ports; a cover controller operably coupled to the one or more covers; and a feeder operably coupled to the cover controller.