118 results about "SKIN REGIONS" patented technology

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 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 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.

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.

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 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.

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 application discloses a radio frequency fascia layer thermal effect lifting system and method based on an anti-gravity vector, and belongs to the technical field of skin care and beauty. An initial impedance distribution diagram of a target skin area is acquired, a detection radio frequency wave is emitted, and a relative dielectric constant offset of a fascia layer relative to an epidermis layer and a dermis layer is extracted from a reflected wave signal. The offset and a depth arrangement order are input into an anti-gravity vector calculation unit, an anti-gravity vector sequence is calculated and generated, radio frequency waveform parameters matched with the vector sequence are called from a waveform database, and are loaded to a phase control array. The surface temperature and impedance changes of the target skin area are monitored in real time, impedance fluctuation feedback values are generated, and the beam pointing adjustment parameters in the subsequent anti-gravity vector are dynamically corrected accordingly until the thermal effect area construction of all target points is completed. The application accurately controls the radio frequency beam pointing through the anti-gravity vector, realizes accurate and orderly heating of the subcutaneous fascia layer, and has self-adaptive correction capability.

The present application relates to the technical field of pattern recognition, in particular to a blood glucose detection region selection method based on blood perfusion imaging, comprising collecting continuous laser speckle original images of a to-be-detected skin region and a peripheral pulse wave signal of a subject, and constructing a bottom layer data matrix. The image sequence is converted into a perfusion contrast evolution sequence by calculating the ratio of the standard discrete degree and the average brightness of the pixel intensity in the three-dimensional data block. Frequency locking operation is performed using the main frequency of the pulse wave to separate out the perfusion fluctuation component synchronized with the heart beat rhythm, and the phase lag distribution map of each pixel point is determined through cross-correlation time delay analysis. The tissue damping coefficient of each pixel point is obtained by combining the tissue viscoelasticity kinetic damping model inversion, and the pixel set in the target response interval is screened and clustered according to the mapping relationship between the blood glucose concentration and the damping coefficient to determine the blood glucose detection target region. The present application realizes the locking of the detection region through tissue damping characteristic inversion and clustering screening.

The application discloses a vibration wave measuring system for traditional Chinese medicine shallow needle manipulation analysis, and belongs to the technical field of vibration wave measurement, and specifically comprises the following steps: a first beam splitter in a laser Doppler vibrometer is used to divide outgoing laser into a measuring light beam and a reference light beam, the measuring light beam is vertically focused on the surface of a needle handle, the reference light beam is vertically focused on an adjacent unoperated skin area, after the two light beams are reflected, interference occurs when the light beams return to a probe to form a first interference light signal, meanwhile, a part of the returned reference light beam is separated to interfere with local light of the system to form a second interference light signal, after photoelectric conversion, common-mode background noise is eliminated through a differential amplifier, and finally, a pure needle handle vibration wave is output, and high signal-to-noise ratio non-contact measurement of high-frequency weak vibration signals generated by traditional Chinese medicine shallow needle manipulation is realized.

The invention relates to the technical field of medical image processing, and discloses a facial dermatitis skin lesion area and color difference objective evaluation system and method based on image recognition, and the system comprises an image collection and standardization unit which is used for obtaining a facial image and processing the image through an enhancement channel and a fidelity channel; the face region recognition unit is used for recognizing the graph subjected to channel enhancement processing to obtain a face skin region and a face non-skin region; the skin lesion region segmentation unit is used for acquiring a plurality of typical skin lesion points in the facial skin region according to a preset selection strategy, taking pixel color data of the typical skin lesion points as skin lesion color features, and performing region expansion on the typical skin lesion points according to the skin lesion color features and a preset expansion strategy to obtain a skin lesion region; acquiring a skin lesion area of the facial skin area; and the skin lesion area calculation unit is used for obtaining a skin lesion area proportion result according to the facial skin area and the corresponding skin lesion area.

The present invention provides an integrated sweat sensing system comprising a multi-layer structure containing a flexible circuit sensing layer with multiple electronic and mechanical components for sensing specific physiological changes of a user and giving feedback signals to the user when the detectable biological, chemical or physiological signals exceed a certain threshold. The system also comprises a microfluidic based biosensing platform for sensing changes in sweat composition components including changes in ions, glucose and pH, which subsequently triggers feedback signal output from the flexible circuit sensing layer, thereby providing corresponding status change signals to the user. The system is bendable and can be detachably mounted on multiple skin areas of a user.

The invention relates to the technical field of machine learning, in particular to a foreign matter license multi-modal information verification method and system based on a large model, and the method comprises the steps: obtaining a license portrait image, a verification image, a chip image, a license text vector and a chip text vector; extracting a skin region and a watermark region in the license portrait image according to the skin features and the watermark features in the foreground region of the license portrait image; dividing the license portrait image into a plurality of sub-regions, and adaptively enhancing each sub-region according to the degree that the skin is shielded by the watermark in each sub-region and the average gray level, so as to obtain a license portrait image without the watermark; according to the similarity between the verification image and the chip image and the similarity between the verification image and the license portrait image without the watermark and the similarity between the license text vector and the chip text vector, whether the current license verification process passes verification or not is judged. According to the method and the device, the license portrait image is adaptively enhanced, so that the accuracy of license verification is improved.

The present disclosure provides systems and methods for determining one or more diagnostic indicators using X-ray diffraction (XRD). In some embodiments, the techniques described herein relate to a system including: a fixture configured to position a region of skin of a patient within a measurement region; an X-ray source coupled to the fixture and configured to emit an X-ray beam that overlaps with the measurement region; an X-ray receiver coupled to the fixture, the X-ray receiver including a coordinate-sensitive digital detector of X-rays; and one or more processors coupled to the X-ray receiver. The one or more processors can be configured to collect XRD data from the X-ray receiver, to process the XRD data, and to determine a diagnostic indicator for assessment of a physiological or pathological condition based on the processed XRD data.

The present application relates to a skin inspection device for identifying abnormalities. The device comprises: a transparent panel providing an inspection area; an array of thermochromic liquid crystal structures disposed on the transparent panel, the thermochromic liquid crystal structures being capable of changing colour in response to a change in temperature; one or more image capture devices having a wide angle lens for capturing images of the thermochromic liquid crystal structures and a skin area of a subject located in the inspection area; at least some of the thermochromic liquid crystal structures having a twisted shape, while others of the thermochromic liquid crystal structures have a non-twisted shape; the thermochromic liquid crystal structures having a twisted shape and the thermochromic liquid crystal structures having a non-twisted shape defining a pattern such that: when viewed through the wide angle lens, both the thermochromic liquid crystal structures having a twisted shape and the thermochromic liquid crystal structures having a non-twisted shape appear non-twisted.

The invention relates to an ICU bedside pressure sore risk image identification and early warning method. The method comprises the following steps: continuously acquiring images at a preset frame rate before and after the same skin area of a patient is pressed and decompressed to obtain a sequence; extracting color, brightness or texture features of the region from the sequence, comparing the color, brightness or texture features with baseline features before decompression, if a recovery threshold is met, judging that the region is reversible, otherwise, judging that the region is limited in recovery when continuous deviation exceeds a first time length; calculating regional displacement and deformation within a second duration under the condition that the limited state is recovered, and judging that the compression is hidden and continuous when the displacement is smaller than a threshold value; and comparing the characteristics of the region before and after body position adjustment or nursing intervention, and if the characteristics are not improved or deteriorated, outputting a pressure sore high-risk early warning. The method does not need an additional contact type sensor, is suitable for continuous and non-invasive monitoring beside an ICU bedside, can provide early warning in the early stage of formation of pressure sores and even before macroscopic injuries occur, and helps nurses to take targeted intervention measures in time, so that the occurrence rate of the pressure sores is reduced, and the nursing quality and the working efficiency of the ICU are improved.

According to an aspect, there is provided an apparatus for use with a treatment device for providing feedback to a user about a treatment operation performed on a body part of a subject, wherein the treatment device is configured to apply light pulses to skin of the body part to perform the treatment operation, wherein the light pulses applied to the skin treat an area of the skin. The apparatus comprises a processing unit configured to receive a first measurement signal from a first sensor, the first measurement signal comprising information about a position and / or motion of the treatment device over time; process the first measurement signal to estimate a previous treatment position as a position of the treatment device relative to the body part when a light pulse was generated for a light pulse previously applied to the body part by the treatment device during the treatment operation; estimate a previous treatment area for the previously applied light pulse based on the estimated previous treatment position, the previous treatment area corresponding to an area of the skin of the body part to which the light pulse was applied when the treatment device was at the previous treatment position; process the first measurement signal to estimate a current position of the treatment device relative to the body part; estimate a current treatment area based on the estimated current position of the treatment device, the current treatment area corresponding to an area of the skin to which a light pulse will be applied when the treatment device is at the current position; and generate a feedback control signal for a feedback unit, wherein the feedback control signal is configured to cause the feedback unit to generate feedback indicating whether the current treatment area corresponds to or substantially corresponds to the previous treatment area.

The invention relates to the technical field of medical intelligent diagnosis, and provides a multi-mode ultrasonic scanning method, device and related system.The method comprises the steps that depth image data of a skin area of a user is collected through a camera module, and a mechanical arm is controlled to adjust an ultrasonic probe to a first target pose according to scanning intention information and the depth image data of the user, the ultrasonic probe and the force feedback sensor are integrated at the tail end of the mechanical arm, ultrasonic quality evaluation parameters are calculated according to first ultrasonic image data of the ultrasonic probe and first contact pressure data of the force feedback sensor, and first ultrasonic quality evaluation parameters are obtained; adjusting the ultrasonic probe to a second target pose through the mechanical arm according to the first ultrasonic quality evaluation parameter; and scanning the user according to the depth image data, the second ultrasonic image data of the ultrasonic probe and the second contact pressure data of the force feedback sensor to obtain a scanning result. Therefore, the stability and the safety of the ultrasonic probe during scanning are improved.

The application discloses a new-born medical infusion pipeline anti-disengagement fixing structure and relates to the technical field of infusion pipeline fixing, which comprises a round patch, perforations, fixing adhesive tape and staggered adhesive units. The application evenly arranges multiple staggered adhesive units along the circumferential direction of the round patch, adopts a rotation strategy of "firstly using two units symmetrically distributed, then changing to other two units after a preset time", realizes time-sharing and partition alternation of the adhesive position, effectively avoids the problem of excessive hydration of the stratum corneum and tearing of the epidermis caused by too tight pasting and then tearing off due to long-time pasting of the adhesive tape on the same skin area in the traditional fixing mode, and further sets the adhesive layer made of degradable gel and color-changing pigment, so that the staggered adhesive units can automatically release from the skin surface by applying physiological saline, almost without external tearing force, and mechanical damage of the tender skin of the new-born caused by physical tearing is fundamentally eliminated.

The present invention relates to a device, system and method for monitoring of peripheral arterial perfusion of a subject. To enable distinguishing between low pulsatility caused by centralization or low cardiac output, the proposed device comprises an input (30) for receiving first detection data of a tissue region of a subject, said first detection data being acquired over time by detecting radiation reflected from and / or transmitted through tissue of the subject, and for receiving second detection data of a skin region of subject, said second detection data being acquired over time by detecting radiation received from said tissue region in response to coherent light being emitted towards said skin region, a PPG unit (32) for deriving a photoplethysmography, PPG, signal from said first detection data, a flow unit (34) for deriving, from said second detection data, a flow signal indicative of a flow of light scattering particles within the skin region, and an evaluation unit (36) for evaluating said PPG signal and said flow signal to obtain information on the peripheral arterial perfusion, wherein the evaluation unit is adapted to determine a state of low vascular compliance and / or a state of low cardiac output based on a combined evaluation of said PPG signal and said flow signal.

The application discloses a robot massage learning and control method and system based on dynamic motion primitives, and the method comprises the following steps: acquiring a massage working environment RGB-D image, and performing segmentation and identification on the RGB-D image based on a trained neural network to obtain a human skin region image; based on a multi-trajectory learning method, an optimal massage action trajectory is obtained, and a new complete massage action trajectory is generalized; based on the new complete massage action trajectory and the human skin region image, trajectory adjustment is performed; based on the adjusted trajectory and a guide number control strategy, real-time feedback control is provided to the robot, so that the robot performs a massage task; in the process of performing the massage task, the control parameters of the robot are adaptively adjusted, and robot massage operation skill learning and control based on dynamic motion primitives are completed. The robot can more efficiently learn and optimize massage actions, and the interaction process between the massage process and the human body becomes more flexible and natural.

Artificial intelligence-based systems and methods are described for generating and evaluating reconstructed multi-spectral images depicting skin. A digital image of a user is received at an imaging application (app) and comprises pixel data of at least a portion of a skin area of the user. A hyper-spectral (HS) reconstruction model, trained with pixel data of a plurality of digital images depicting human skin, outputs one or more reconstructed HS images, which can be used as input to one or more AI models. The imaging app generates, based on output from the one or more AI models, user-specific comparison data of the user, reconstructed HS images of the user, or mapping data of the user.

The invention provides a method for extracting rPPG signals in a compressed domain, and the method comprises the steps: firstly carrying out the image group (GOP) division of an input video, and judging the frame type of the input video to be an I frame or a P frame frame by frame; and if the frame is the I frame, completely decoding the I frame to obtain a face image, and extracting a DC coefficient reconstructed in the decoding process at the same time. The method comprises the following steps: acquiring skin as a region of interest (ROI) through face detection, mapping the ROI to transform blocks divided in coding, calculating the weight of skin pixels in each block, marking the ROI block (transform block corresponding to the skin region) according to a set threshold value, and recording the position and weight information of the ROI block. And if the frame is the P frame, partially decoding the P frame to a DCT domain, extracting a DC coefficient of a residual error, performing accumulation by combining a reconstructed DC value of the reference frame, and updating a DC value of the current frame. And screening out the ROI block of each frame in the GOP according to the position and weight information, and carrying out weighted averaging on the pixel mean value of the ROI block. And repeating the process until all GOPs are processed, and finally converting the YUV mean value sequence into an RGB mean value sequence so as to realize efficient rPPG signal extraction without complete decoding.

In an image processing apparatus, an extraction unit extracts a plurality of AC signals of a plurality of different frequency bands from image data input by an input unit; a generation unit generates first and second adjustment values for adjusting positive and negative components of an amplitude of each AC signal; an adjustment unit adjusts the amplitude of each AC signal using the first and second adjustment values; a detection unit detects a skin area from the image data; and a correction unit corrects image data of the skin area using the adjusted AC signals. The generation unit generates the first adjustment value such that the positive component of the amplitude of the AC signal of a first frequency band is less attenuated than that of the AC signal of a second frequency band which is lower than the first frequency band.