229 results about "SKIN REGIONS" patented technology

The invention discloses a newborn face feature rare disease auxiliary diagnosis system based on AI image recognition, relates to the technical field of rare disease auxiliary diagnosis, and aims to solve the technical problem that dynamic feature analysis is insufficient in existing newborn rare disease auxiliary diagnosis. Detection, segmentation, feature classification and dynamic change analysis are completed, and abnormal textures, pigment distribution or blood vessel features are identified; the face key point analysis module is used for marking face key anatomical points, calculating three-dimensional space coordinates and analyzing relative positions and geometrical relationships of the key points and evolution trends of the key points along with time; the dynamic modeling module is used for constructing a dynamic evolution model of the facial features of the newborns along with the change of day ages, and correlating the time dependence of growth and development stages and rare disease features; and the feature fusion unit is used for integrating output results of the skin analysis module, the face key point analysis module and the dynamic modeling module. The method has the advantage of improving the diagnosis accuracy.

The invention discloses a path planning method based on clustering, a surgical robot and related products. The method comprises the following steps: acquiring a first three-dimensional CT image, wherein the first three-dimensional CT image comprises a skin area of a target object and a first tissue of the target object; an end point of the target path is determined from the first tissue. At least two first candidate points of the target path are determined from the skin region. And determining at least two first candidate paths based on the at least two first candidate points and the end point of the target path. And clustering the at least two first candidate paths to obtain at least one first path set. And determining a second path set from the at least one first path set, wherein the number of the first candidate paths in the second path set is greater than or equal to a second threshold. And determining a target path based on the second path set. Through the method, the error-tolerant rate of the target path can be improved.

The present invention discloses a multi-wavelength tunable laser and sensing system, which relates to the field of lasers and includes: a setting module for presetting or selecting two wavelengths of laser beams in the laser; a camera module for collecting the user's target skin surface image for treatment in real time, identifying the tumor area and the healthy skin area in the image data, and identifying the current skin surface position of the laser beam. The present invention identifies the tumor area and the healthy skin area in the operation data by collecting the user's target skin surface image for treatment, further plans the laser treatment path based on the target skin surface image, and controls the laser in the process of moving according to the treatment path, in combination with the sensor to sense the tumor thickness, so as to achieve further intelligent control of the movement speed of the laser in the process of moving according to the treatment path, so that the tumor position on the user's skin surface can be treated more adaptively.

A fractional handpiece and systems thereof for skin treatment include a passively Q-switched laser assembly operatively connected to a pump laser source to receive a pump laser beam having a first wavelength and a beam-splitting assembly operable to scan a solid beam emitted by the passively Q-switched laser assembly and form an array of micro-beams across a segment of skin. The passively Q-switched laser assembly generates a sub-nanosecond pulsed laser beam having a second wavelength. The fractional handpiece may also incorporate a wavelength switching assembly, enabling selective delivery of both the second and third wavelengths, while providing control over the energy output at each wavelength, all within a single handpiece. The passively Q-switched laser assembly has an unstable cavity operation.

A multimodal imaging unit for depth-surface imaging of a skin region of interest includes an ultrasound imaging transceiver, an optically transparent acoustic deflector, an optical module, and an optical camera sensor. An ultrasound beam emitted towards the acoustic deflector is deflected towards the skin region of interest, and an ultrasound beam reflected from the skin region of interest is returned to the ultrasound imaging transceiver. An optical beam from the optical module is passed through the acoustic deflector to a skin area of the skin region of interest and an optical beam reflected from the skin area is returned to an optical camera sensor through the acoustic deflector. The transceiver and the acoustic deflector are surrounded by an intermediary coupling medium and are hermetically enclosed by a cover provided with an acoustically and optically transparent access port for the ultrasound beams and the optical beams.

A method for measuring a non-contact biometric information, includes steps of photographing an image including a user's face; detecting a face area in a frame of a photographed image; detecting a landmark within the face area and starting a tracking mode when a specific landmark is detected; detecting a movement of the face area in the tracking mode and determining a section in which the movement of the face is less than a reference value; and extracting a skin area within the face area in the determined section and acquiring pixel change component data of the skin area.

The invention provides a multi-target person image face replacement and skin color coordination method and system, and relates to the technical field of artificial intelligence image processing, and the method comprises the steps: receiving a source face image and a target image sequence containing a plurality of target persons; performing character detection on each target image, and retaining a character detection frame of which the confidence is higher than a threshold value; cutting the figure area based on the detection frame and expanding pixel redundancy to form an expanded cut image including a head and an adjacent skin area; zooming all the expanded and cut images to a uniform resolution ratio and then splicing the expanded and cut images into an optimized long image; and performing semantic segmentation on the optimized long graph, generating a multi-layer mask comprising a core mask layer, an extension mask layer and a coordination mask layer, and performing adaptive edge processing. Through a preprocessing strategy, multi-layer mask control, a style guiding mechanism and a skin color and illumination coordination technology, the quality, efficiency and practicability of a face changing result are improved.

The invention discloses a semi-supervised non-contact neonatal jaundice home intelligent early warning method based on image calibration, and the method comprises the steps: building a camera response function database, and building a color constancy depth model and a skin region segmentation network; designing a strong and weak enhancement strategy by using a large amount of label-free home data, constructing a time and context comparison learning module, and performing self-supervised training on a feature encoder; a small amount of labeled hospital data and a large amount of unlabeled family data are combined, and semi-supervised fine tuning is realized through pseudo label generation and supervised comparative learning; image sequences continuously uploaded by a user are input into the model, multi-day prediction of the bilirubin level is achieved, prediction uncertainty is quantified in combination with a Bayesian method, the risk boundary is dynamically adjusted, and personalized early warning is provided. According to the method, a user does not need to use a physical colorimetric card, color measurement errors caused by model differences of mobile equipment and variability of household illumination are inhibited from a data source, and the accuracy and robustness of subsequent jaundice assessment are improved; through a training framework combining self-supervised pre-training and semi-supervised fine tuning, the understanding ability and generalization performance of the model for the sequential characteristics of jaundice are improved.

The invention relates to a method for operating an air conditioning unit (28) of a motor vehicle (10), wherein a control unit (12) causes a sensor unit (20) to scan a body part of a user (26) of the motor vehicle (10) (S3); receives a passenger scan signal from the sensor unit (20) (S4) describing passenger scan data; uses the passenger scan data to define at least one uncovered and perspiring skin area of ​​the body part as the temperature measurement area (S5); and causes the sensor unit (20) to perform a surface temperature measurement of only the defined temperature measurement area using an infrared light-based sensor (S8). The control unit (12) receives a surface temperature signal (S9) from the sensor unit (20) describing the measured surface temperature and compares the measured surface temperature with a predetermined temperature setpoint (S10).In case of a deviation, the control unit (12) determines a target temperature value which leads to a change in the measured surface temperature to a value of the stored temperature setpoint, generates an air conditioning signal (S13) which describes an adjustment of the determined target temperature value by the air conditioning unit (28) and transmits this to the air conditioning unit (28) (S14).

The utility model discloses a skin beautifying device, and relates to the technical field of beautifying instruments, and the skin beautifying device comprises a controller, an ultrasonic transmitter and a radio frequency transmitter; the controller controls the ultrasonic transmitter and the radio frequency transmitter to work at the same time according to the control signal generated by the operation of the user, so that the ultrasonic transmitter sends ultrasonic energy to the deep skin tissue of an area designated by the user when receiving the control signal, and the deep beautifying effect is achieved; meanwhile, when the radio frequency transmitter receives the control signal, radio frequency energy is transmitted to skin superficial layer tissue of another user designated area, so that the superficial layer beautifying effect is achieved. According to the technical scheme, two beautifying modes can be carried out on the skin area designated by the user in a time-space superposition mode by sliding on the skin, the overall effect is better, meanwhile, radio frequency energy can be fed back to the user in a heat mode, the user is more comfortable in the using process, and the sensory experience of the user is improved.

The invention provides a control method of a light skin treatment device and the light skin treatment device, and relates to the technical field of beauty instruments. The light skin treatment device comprises a host and a detachable accessory assembly, the host comprises a first detection port, the accessory assembly comprises a second detection port, and the control method comprises the steps that when the accessory assembly is not installed on the light skin treatment device, first skin data of a target skin area is obtained through the first detection port. And determining a first gear of the light skin treatment device according to the first skin data. When the light skin treatment device is provided with the accessory assembly, second skin data of the target skin area is obtained through the second detection port. And determining a second gear of the light skin processing device according to the second skin data. And the second gear is adjusted to be the target gear according to the gear difference value between the second gear and the first gear. And displaying and / or outputting according to the target gear. Wherein the gear difference value between the target gear and the first gear is smaller than the gear difference value between the second gear and the first gear.

The application relates to the technical field of medical intelligent diagnosis, and provides a multi-modal ultrasonic scanning method, device and related system. The method collects depth image data of a skin area of a user through a camera module, controls a mechanical arm to adjust an ultrasonic probe to a first target pose according to scanning intention information of the user and the depth image data, wherein the ultrasonic probe and a force feedback sensor are integrated at the tail end of the mechanical arm, calculates an ultrasonic quality evaluation parameter according to first ultrasonic image data of the ultrasonic probe and first contact pressure data of the force feedback sensor, obtains a first ultrasonic quality evaluation parameter, adjusts the ultrasonic probe to a second target pose through the mechanical arm according to the first ultrasonic quality evaluation parameter, and scans the user according to the depth image data, second ultrasonic image data of the ultrasonic probe and second contact pressure data of the force feedback sensor to obtain a scanning result. In this way, the stability and safety of the ultrasonic probe during scanning are improved.

Proposed is a method of rapidly and precisely cooling a skin area of a subject in combination with a treatment of the skin area. The method may include providing a handheld cooling device. The device may include an applicator tip, and a controlled cryogen spray element configured to spray controlled cryogen. The method may also include contacting the tip on the skin area, spraying the controlled cryogen onto the skin area, and applying the treatment to the skin area.

Systems, Devices, and Methods for Line-by-Line Guidance of Product Application: The cosmetic deposition device includes an applicator component, a position sensor, and a reservoir for cosmetic styling compositions. A display of the cosmetic deposition device represents the skin area as a guide segment and the applicator component as a visual indicator relative to the guide segment, based on the position sensor. The visual indicator responds to changes in the applicator component's position relative to the skin area to visually guide the user to accurately apply the cosmetic style. A feedback device alerts the user if the application deviates from the skin area. These approaches allow the user to correctly apply the composition in real time. Figure for abstract: None

Disclosed is a non-contact heart rate measurement method and device, the method comprising: acquiring a face video image of a to-be-measured object, and extracting a face skin region from each frame of the video image, and extracting a first color space vector based on the face skin region; projecting the first color space vector onto a projection plane of a predetermined color space to obtain a one-dimensional pulse signal; performing modal decomposition on the one-dimensional pulse signal to obtain a plurality of modal signals, the plurality of modal signals having at least different instantaneous frequencies and instantaneous amplitudes from each other, and performing signal recombination based on at least two of the plurality of modal signals to obtain a recombined signal; and obtaining an estimated heart rate based on the recombined signal.

A comprehensive skin physiological index scoring method for quantifying barrier repair efficacy belongs to the field of skin health and efficacy evaluation, and comprises the following steps: step 1, measuring physiological parameters of the same skin area by using an instrument before and after a barrier damaged model subject uses a product; 2, the change rate or improvement percentage of each physiological parameter before and after the product is used is calculated; 3, determining the relative weight of each physiological parameter in barrier repair; 4, multiplying each standardized physiological parameter change value by the corresponding weight, and then summing to obtain a comprehensive score; and 5, grading the barrier repair efficacy according to the comprehensive score. According to the method, multiple indexes reflecting different sides of the barrier function are integrated, the evaluation dimension is more comprehensive, the limitation of a single index is avoided, objective quantification is achieved, multi-dimensional information is fused into visual numbers, efficacy claim becomes measurable, comparable and verifiable, and the objectivity and authority of evaluation are improved.

The invention relates to the field of medical data processing, in particular to a clinical evaluation and prediction method and system for exhaled gas and percutaneous carbon dioxide monitoring, and the method comprises the steps: determining a target skin area for implementing percutaneous carbon dioxide monitoring according to the body surface temperature data of a target object; according to the percutaneous carbon dioxide partial pressure of the target skin area, obtaining percutaneous carbon dioxide release characteristics; acquiring a relative change relationship between the percutaneous partial pressure of carbon dioxide and the exhaled gas partial pressure of carbon dioxide, and estimating energy metabolism characteristics in combination with percutaneous carbon dioxide release characteristics so as to construct a metabolism model matched with a target object and predict a disease risk change trend; evaluating and screening clinical detection data, and generating a disease risk evaluation result. By comparing and analyzing exhaled air and percutaneous carbon dioxide partial pressure data, the real body state can be comprehensively reflected, the potential health risk of a patient can be quickly predicted and evaluated, and the disease risk evaluation credibility can be improved.

The present application relates to a non-invasive hemoglobin detection method based on hyperspectral image reconstruction, belonging to the field of physiological signal detection. The present application irradiates human skin tissue by using a visible light source, simultaneously uses a hyperspectral camera and an RGB camera to simultaneously collect images of the irradiated skin area as a training set, trains a deep learning model, and realizes hyperspectral reconstruction of ordinary RGB images. A hemoglobin extraction feature extraction model for the visible light range diffuse reflectance spectrum is established using an algorithm, and the real hemoglobin content of the measured human body is output through a hemoglobin correction model.

The application discloses a method and device for planning a path based on skin, a surgical robot and electronic equipment. The method comprises the following steps: acquiring a first three-dimensional CT image, wherein the first three-dimensional CT image comprises a skin region of a first object; obtaining a second contour in a first coordinate system based on a first distance and a first contour of the skin region; wherein the first coordinate system is a pixel coordinate system of the first three-dimensional CT image, the second contour does not intersect with the first object, and the distance between the first contour and the second contour is the first distance; acquiring a starting pose of a guide device in the first coordinate system and a target pose of the guide device in the first coordinate system; and obtaining a target path based on the starting pose, the target pose and the second contour, wherein the target path is a movement path of the guide device. The method can plan the movement path of the guide device, so that the guide device does not collide with the first object during movement, thereby improving the rationality of the movement path of the guide device.

Controllers for dry eye treatment apparatus and methods are described herein which generally comprise a patch or strip affixed to the skin of the upper and / or lower eyelids to deliver heat to the one or more meibomian glands contained within the underlying skin. The treatment strip or strips include one or more strips configured to adhere to an underlying region of skin in proximity to one or both eyes of a subject such that the one or more strips allow for the subject to blink naturally without restriction from the one or more patches. A controller is in communication with the one or more strips and is programmable to monitor a temperature of the one or more strips to provide a treatment therapy above a threshold temperature of, e.g., 39° C., and below a maximum temperature of, e.g., 48° C., over a treatment period of 12 minutes.

The invention provides an analyte detection method, an analyte detection system, an analyte image processing method, an analyte detection system, a medium and analyte detection equipment. The analyte detection method comprises the following steps: an image acquisition step: acquiring an infrared grayscale image of a first region; a first target screening step: converting the infrared grayscale image into a two-dimensional matrix, recording a pre-selected first target area, and screening out maximum values and minimum values of horizontal and vertical coordinates: xmax, xmin, ymax and ymin; a retrieval area determination step: taking xmax + m, xmin-m, ymax + m and ymin-m as retrieval area boundaries, and taking m as a preset expansion distance to obtain a retrieval area; and a second target screening step: sorting the retrieval regions from large to small according to the gray levels, and selecting the first preset number of coordinates with the maximum gray level as a second target region. According to the invention, the blood-vessel-free skin area in the infrared grayscale image can be effectively distinguished, so that the spectral data of the blood-vessel-free skin area in the image can be accurately acquired subsequently.

The invention relates to the technical field of stoma skin analysis, and discloses a stoma surrounding skin analysis method and system based on image processing, and the method comprises the steps: firstly obtaining an original image containing a stoma, surrounding skin and a part of a stoma bag chassis, and carrying out the preprocessing; then, accurately separating skin and chassis areas through multi-target semantic segmentation; then, the chassis is used as an opportunity reference object, and color calibration is carried out on the image by comparing the actual observation color with the standard color, so that the difference between illumination and equipment is eliminated; and finally, quantized color and texture features are extracted from the calibrated skin area to form a feature vector, and skin state analysis is performed according to the feature vector to generate a report. Therefore, an additional color card is not needed, color calibration is carried out by utilizing inherent elements in the image, the problem of color consistency of image analysis in a home environment is effectively solved, and automatic, objective and standardized evaluation of the state of the skin around the stoma is realized.

The invention relates to the technical field of medical image processing, and particularly discloses a dermatosis auxiliary diagnosis method and system based on multi-mode optical image fusion, and the method comprises the steps: carrying out the semantic segmentation of an obtained dermatoscope image of a target skin region, and recognizing at least one target feature region; based on the semantic category and position information of the target feature region, screening out at least one associated feature region from an obtained RCM image set of a target skin region; extracting a first feature vector in the target feature region, and extracting a second feature vector in the associated feature region; and fusing the first feature vector and the second feature vector, and performing disease classification on the fused feature vector based on a trained classification model to obtain a skin disease classification result of the target skin area. According to the method, the corresponding associated region can be screened out from the RCM image set according to the semantic segmentation result of the dermatoscope, and the efficiency and reliability of multi-modal data integration are remarkably improved.

The invention provides a therapeutic laser system, comprising: a contact cooling element comprising a cooling window configured to directly contact a first skin area of a patient, wherein the cooling window comprises a thermally conductive material that is transmissive to infrared energy; a laser configured to provide a therapeutic laser pulse to a target skin area within the first skin area; a temperature sensor configured to sense a temperature of the target skin area; and a controller configured to: determine that the surface temperature of the target skin area has been cooled from a first surface temperature to a second surface temperature prior to initiating application of a therapeutic laser pulse to the target skin area; initiate the application of a therapeutic laser pulse to the target skin area through the cooling window at a first timepoint, wherein the pulse comprises optical energy having a wavelength within a range of from 1700 nm to 1740 nm, in particular wherein the wavelength is about 1727.5 nm; determine a surface temperature of the target skin area a plurality of times during the application of the therapeutic laser pulse based on infrared energy radiated from the target skin area through the cooling window; and terminate the application of the therapeutic laser pulse to the target skin area at a second timepoint based at least in part on the plurality of surface temperature determinations, wherein each of the plurality of surface temperature determinations occurs during a single therapeutic laser pulse having a pulse duration comprising the period from the first timepoint to the second timepoint.

A system and method of tattooing skin comprising creating voids extending from a surface of the epidermis into the dermis; introducing a dye through the voids into the dermis; and fixing the dye in the dermis. There is provided a system of needleless tattooing comprising a sensor for sensing a location of the surface of a region of skin of a subject, a dermal penetration device for penetrating into the skin, a controller responsive to the sensor to control the dermal penetration device to penetrate into but not through the dermis in the region of skin of the subject.

The application relates to the technical field of image acquisition and processing, in particular to a skin fine texture acquisition method and system, wherein four light sources L1 to L4 are uniformly and sequentially arranged around the center line of a camera lens, each light source has at least three channels C1 to C3 and emits light rays to the same skin area to be acquired; a positive direction image and a negative direction image are acquired; images in the same coordinate axis direction are subjected to difference value operation to obtain gradient images in three directions; the gradient image gray values in the three directions are normalized to obtain normal line values in three channels; the normal line values in the three channels are converted to be respectively loaded into a normal line map three channel and output the normal line map; the positive direction image light source lighting mode comprises L1 and L2 lighting C1 and C2, the negative direction image light source lighting mode comprises L3 and L4 lighting C1 and C2, and C3 of the four light sources is all lighted in the positive direction image or the negative direction image, so that the image motion blur probability is reduced.

According to an aspect, there is provided an apparatus for use with a care device. The care device is configured to apply light pulses to a skin of a subject to perform a care operation on hair on the skin. The apparatus comprises a processing unit configured to receive one or more images of a first region of the skin from an imaging unit, wherein the imaging unit is arranged to acquire images of the skin of the subject; process the one or more images to determine whether the hair on the first region of the skin has been cared for with the light pulses based on a degree of at least one of carbonization and curling of the hair on the first region of the skin shown in the one or more images; and output a first signal indicative of whether the hair on the first region of the skin has been cared for with the light pulses.

The invention provides an identification photo glasses blue light elimination method and device and terminal equipment, and is suitable for the technical field of image processing, and the method comprises the steps: carrying out the portrait region segmentation and color space conversion processing of identification photo image information to be subjected to blue light elimination, obtaining blue component image information of a skin area, blue component image information of a glasses area, certificate illumination component image information and red component image information of a certificate photo to obtain pixel information of a blue light area; and determining target blue component gray value adjustment information and target brightness component gray value adjustment information according to the blue light area pixel information, the glasses area blue component image information and the certificate illumination component image information, so as to perform color space inverse conversion processing in combination with the red component image information of the certificate photo. And generating blue light elimination identification photo image information. According to the invention, the accuracy and effectiveness of recognition and elimination processing of the blue light area of the glasses are improved, and the image quality of the identification photo generated after blue light elimination processing is ensured.

The utility model relates to the technical field of microneedle application appliances, in particular to an angle-adjustable soluble microneedle massager which comprises a handle, a massage roller and a soluble microneedle patch, the soluble microneedle patch is adhered to the peripheral wall of the massage roller, and the handle comprises a handle body, a fork opening part and a damping hinge part. The damping hinge part is arranged between the fork opening part and the end of the handle body, a locking piece is arranged on the handle body and used for preventing the fork opening part from rotating relative to the handle body, and the included angle a between the handle body and the fork opening part can be freely adjusted between 120 degrees and 150 degrees. According to the angle-adjustable soluble microneedle massager, the damping hinge part has the priority of being capable of rotating and being fixed instantly, then the included angle a is further fixed in an auxiliary mode through the locking piece, and the structural design that the included angle is adjustable and fixable is adopted, so that one product can be used in multiple scenes according to different users and different skin areas.

The apparatus estimates a person's vital signs from a video image having color channels representing digitized optical sensor signals. A first detector 203 detects a first image region that is a skin region of the person, and a second detector 205 detects a second image region that corresponds to a different region of the person from the first image region. A determiner 207 determines a color channel distribution of pixels in the first image region. A processor 209 provides a skin tone index, and a reference processor 211 provides a reference color channel distribution characteristic for skin tone. A gain processor 213 determines a gain of the optical sensor signal depending on a luminance characteristic of the second image region and a comparison of the reference distribution characteristic with the color channel distribution characteristic. A gain controller 215 controls a gain value applied to the optical sensor signal accordingly, and a vital sign determiner 217 estimates the person's vital sign characteristic from the image.