Abstract: A shaving unit and/or electric shaver having a lighting module for providing an optical heating function at a skin-contacting surface of the shaving unit is disclosed. An encapsulation arrangement for components of the lighting module using a potting material is described. The potting material encapsulates, on both an upper and lower side, a carrier to one or more lighting elements are mounted.

Abstract: According to an aspect, there is provided a method for minimising error in ambient light corrected image due to motion, the method comprising: capturing a plurality of primary images with controlled intensity of illumination varying over time, estimating an error value due to motion for each of a plurality of sub-sets of the plurality of primary images, and performing ambient light correction on an error minimised sub-set of primary images having the lowest estimated error value to generate an ambient light corrected (ALC) image with a minimised error.

Abstract: According to an aspect, there is provided a method for analysing an object, the method comprising illuminating the object with illumination provided by at least two illumination sources, each illumination source being defined by at least one distinct characteristic property; temporally modulating the illumination provided by each illumination source according to a modulation function; capturing a plurality of image frames representing the object using a rolling shutter image sensor; and demultiplexing the plurality of image frames into component images each representing the object under illumination from a respective illumination source, and an ambient image representing the object under an ambient light condition.

Abstract: There is provided a system (100) for performing image motion compensation. The system comprises a light source (110), an imaging unit (120), and a control unit (130). The light source is configured to provide multiplexed illumination to an object in a plurality of color channels, the imaging unit is configured to capture a first image and a second image of the object in the plurality of color channels, and the control unit is configured to determine an estimated motion of pixels between the first image and the second image in a first color channel, and to generate a first motion compensated image by extrapolating the estimated motion of pixels between the first image and the second image to at least another one of the plurality of color channels.

Abstract: According to an aspect, there is provided a handheld device (2) for applying energy pulses to skin (17) of a subject to perform a treatment operation as the handheld device is moved across the skin, the handheld device comprising: an aperture (6) that is to be placed adjacent to the skin; at least one energy source (8) for generating an energy pulse and for providing the energy pulse through the aperture to perform the treatment operation on 5 skin adjacent the aperture, wherein the at least one energy source has a minimum pulse repetition period following the generation of an energy pulse before a subsequent energy pulse can be generated; a first skin property sensor (14) for measuring a skin property and for outputting a first measurement signal representing measurements of the skin property at a first sensing position (24), wherein the skin property is a property that changes in response to the application of an energy pulse to the skin, and wherein the first sensing position is in front of the aperture re

Abstract: According to an aspect, there is provided an apparatus (10) to control a sleep assistance device (30) for alleviating a user's pain during sleep. The apparatus (10) comprises: a receiver (11) configured to receive sensor data (14) associated with the user; a processor (12) configured to analyze the sensor data (14) to predict a pain measure of the user, and to generate a control signal (15) for the sleep assistance device (30) in accordance with the predicted pain measure; and a transmitter (13) configured to transmit the control signal (15) to the sleep assistance device (30) for alleviating pain.

Abstract: There is provided a system (100) comprising a light source (110), an imaging unit (120) configured to capture a plurality of images of an subject, wherein each of the plurality of images is captured at an exposure time shorter than the wave period of the pulsed illumination, wherein the pulse frequency of the illumination is not a multiple integral of the frame rate at which the images are captured, and wherein a total time during which the plurality of images is captured is at least half of the wave period of the pulsed illumination, and a control unit (130) configured to: obtain a predetermined number n of candidate images, generate a sorted list of pixels by sorting respective pixels, apply a set of weights to the respective sorted list of pixels, and generate an estimated ambient light corrected image based on the plurality of weighted and sorted lists of pixels.

Abstract: There is provided a method for operating a personal care device. The method comprises obtaining, using an imaging device, image data relating to a portion of a body of a user; measuring, using the image data, a parameter relating to at least one hair growing from the portion of the body; and determining a position of the portion of the body on the body based on the measured parameter and a predetermined relation between the parameter and the position on the body. A personal care device, a personal care system and a machine-readable medium are also disclosed.

Abstract: According to an aspect, there is provided a system (200) comprising: an image projection unit (210) configured to project an illumination pattern onto at least a portion of a scene, an imaging unit (220) configured to capture a plurality of images of the scene while the illumination pattern is projected onto the scene, and a processing unit (230) configured to: demodulate the plurality of images based on the illumination pattern and with respect to a target section in the plurality of captured images, wherein the target section corresponds to one of: a portion of the scene on which the illumination pattern is selectively projected while the plurality of images were captured, a portion of the scene at which the projected illumination pattern is resolvable, a portion of the scene with pixel depth values which satisfy a predetermined range; and generate an ambient light suppressed image of the scene based on results of the demodulation.

Abstract: A device for RF skin treatment includes an outer electrode arranged on an operational side of the device. The outer electrode has an annular or equilateral polygonal shape. An inner electrode is arranged at a center of the outer electrode and is surrounded by the outer electrode. An RF generator is arranged to supply an RF treatment voltage between the inner electrode and the outer electrode. A skin contact surface of the inner electrode has a largest cross-sectional dimension in a range of 200-500 ?m, and the RF treatment voltage is less than 50 V.

Abstract: In an embodiment, a method (100) is described. The method includes accessing (102) data from a sequence of images of a subject illuminated with ambient light and illumination having a sinusoidal intensity modulation in time. An imaging device is used to obtain the sequence of images and is configured such that a different spatial intensity modulation pattern is apparent in consecutive images of the sequence. The method further includes determining (104), based on a set of measured pixel intensity values in each of the sequence of images, a set of revised pixel intensity values for generating a revised image of the subject such that a reduced level of ambient lighting is apparent in the revised image compared with the level of ambient lighting apparent in at least one of the sequence of images.

Abstract: In an embodiment, a method (100) is described. The method is a computer-implemented method. The method comprises receiving (102) pixel information corresponding to at least part of a first, second and third image, acquired by an imaging system, of a subject illuminated by temporally modulated illumination. A time delay between an acquisition start time of the first, second and third images is such that there is an overlap in time during acquisition of the first, second and third images. The method further comprises determining (104) modified pixel information for constructing a modified image of the subject. The modified pixel information is determined based on: a difference between the received pixel information of the first, second and third images to reduce an effect of ambient lighting in the received pixel information; and a combination of the received pixel information to cancel out a spatial intensity modulation pattern apparent in each of the first, second and third images.

Abstract: There is provided a system for performing image motion compensation. The system comprises a light source configured to provide pulsed illumination to an object, an imaging unit configured to capture a plurality of images of the object including a first image, a second image, and a third image, and a control unit configured to: determine a first motion map indicating an estimated motion between at least a section in the first image and at least the corresponding section in the second image, determine a second motion map indicating an estimated motion between at least the section in the first image and at least a corresponding section in the third image, or an estimated motion between at least the corresponding section in the second image and at least a corresponding section in the third image, and generate an at least partially motion compensated image.

Abstract: According to an aspect, there is provided a computer-implemented method (300; FIG. 3) for interacting with a user of a personal care device (FIG. 1; 102). The method (300; FIG. 3) comprises receiving (302, FIG. 3) device usage data indicative of a manner in which the personal care device is used by the user during a usage instance of the personal care device, the device usage data relating to one or more of a defined set of device usage parameters; receiving (304) performance data indicative of an outcome of the usage instance, the performance data relating to one or more of a defined set of performance parameters; and responsive to a determination that one or more of the received device usage data and the received performance data differ from stored reference device usage data and stored reference performance data, respectively, by more than a defined threshold amount, generating (306) a user input request to be presented to the user. An apparatus, a system and a computer program product are also provided.

Abstract: A shaving unit and/or electric shaver having a lighting module for providing an optical heating function at a skin-contacting surface of the shaving unit. At least one aspect of the invention relates to an encapsulation arrangement for components of the lighting module by means of a potting material which encapsulates, on both an upper and lower side, a carrier to which lighting elements are mounted.

Abstract: There is provided a system for performing ambient light image correction. The system comprises a light source, a rolling shutter imaging unit configured to capture a plurality of images of the object at an exposure time shorter than the wave period of the pulsed illumination from the light source, and a control unit configured to generate a first composite image comprising a plurality of bright bands from the plurality of captured images by combining sections from the plurality of captured images which correspond to bright bands, generate a second composite image comprising a plurality of dark bands from the plurality of captured images by combining sections from the plurality of captured images which correspond to dark bands, and generate an ambient light corrected image based on a difference in pixel information between the first composite image and the second composite image.

Abstract: A method of treating a skin tissue area (3) having a skin surface (5) is provided. The method comprises the steps of: deforming the skin tissue area into a deformed shape comprising a plurality of folds (17) in the skin tissue area; arranging radiofrequency electrodes (13) in contact with the skin surface on opposite sides of the deformed skin tissue area; and, while maintaining the skin tissue area in said deformed shape, providing a spatially continuous radiofrequency energy flow between the radiofrequency electrodes on opposite sides of the deformed skin tissue area through the deformed skin tissue area, thereby heating at least a portion (19) of the deformed skin tissue area; and releasing the skin tissue area from said deformed shape, thereby deforming said heated portion (19) into a wave-shaped zone of heated skin tissue having a depth relative to the skin surface that varies between a minimum and a maximum value in a direction between said opposite sides.

Abstract: A hair care device (100) comprises a heat source (103) for heating hair up till a first temperature that is no more than 150° C. (and thus lower than a critical temperature at which hair cuticle damage will occur), and a radiation source (102) for—in combination with heat from the heat source (103)—selectively heating a hair cortex to a second temperature exceeding the first temperature and sufficiently high for hair styling.

Abstract: In an embodiment, a method (100) is described. The method comprises receiving (102) data corresponding to an ambient-corrected image of a subject illuminated by an illumination unit (206) providing temporally modulated illumination with a modulation frequency that is higher than a frame acquisition rate used by an imaging device (204) to obtain a set of images having a different spatial intensity modulation pattern in each image. The ambient-corrected image is constructed from the obtained set of images. The method (100) further comprises determining (104) a signal-to-noise ratio, SNR, of at least a portion of the ambient-corrected image.

Abstract: According to an aspect, there is provided an apparatus comprising a processor configured to receive image data in respect of a user (102) of a personal care device (104), wherein the personal care device is to be used to treat a portion of the user; receive device operating data relating to the personal care device; determine position information of at least a treatment element (112) of the personal care device relative to the user; generate, based on the received image data, the received device operating data and the determined position information, an image (120) representative of a predicted appearance of the portion of the user following treatment using the personal care device; and provide the generated image for display on a representation of the user.