Disclosed herein is a sunscreen detector for use with portable device, such as a mobile and/or wearable device. One variation of a sunscreen detector comprises an illumination system that is configured to illuminate a target skin area with ultraviolet and/or infrared spectrum light and a sensor system that is configured to detect the amount of ultraviolet and/or infrared spectrum light that is reflected from the target skin area. The sunscreen detector is configured to analyze the data collected by the sensor system to generate a notification to the user as to whether they should apply sunscreen.

A calorie estimation apparatus and method that analyze a user's skin spectrum to determine calories of food and drink that the user has ingested are provided. The calorie estimation apparatus includes a spectrum measurer configured to measure a skin spectrum of a user; and a processor configured to determine a noise of the measured skin spectrum, and estimate calories consumed by the user based on the determined noise.

Methods and apparatuses are disclosed for modifying images of skin so as to reduce or enhance the appearance of component pigments, such as melanin and hemoglobin. A diffuse reflectance image of skin, such as a cross-polarized contact dermoscopy image, which conveys information regarding subsurface features of the skin, is processed so as to extract pigment distribution information, which is then used to correct the diffuse reflectance image, such as by reducing the appearance of melanin to allow better visualization of hemoglobin-related structures, such as vasculature. Alternatively, the diffuse reflectance image can be corrected so as to reduce the appearance of hemoglobin to allow better visualization of melanin-related structures.

Provided is an application program (app) for functioning a dermoscope, a dermoscope adapter, and a smartphone as a dermoscope. A dermoscope 100 for observing skin tissue according to the present invention includes a smartphone 110 including a camera 111 and a photoflash 107 and being communicable, and being capable of instructing from a graphical user interface displayed on a liquid crystal display; a case 101 containing the smartphone 110 and including a base member 103 fixed on a side opposite to a liquid crystal display to operate the smartphone 110; and an observation adaptor 102 detachably retained on the base member 103; wherein the camera 111 performs photographing through a first circular polarization filter 106; wherein the base member 103 movably retains a second circular polarization filter 108 for leading a polarization state of LED light emitted by the photoflash 107 to form circularly polarized light.

A system for generating an alimentary plan is disclosed. The system comprises a computing device which is configured to receive an input that includes physiological data related to a skin sample. Computing device is configured to extract a plurality of biological indicators related to disease state from the physiological data. Computing device is configured to determine a biological indicator score for each biological score for each biological indicator of the plurality of biological indicators. Computing device is configured to generate a skin disorder classifier by receiving skin disorder training data. The computing device is configured to classify, using the skin disorder classifier, the at least one biological indicator and the biological indicator score to a positive result for a skin disorder. Computing device is configured to generate an alimentary plan as a function of the positive result. A method for generating an alimentary plan is also disclosed.

Digital imaging systems and methods are described for analyzing pixel data of an image of a skin area of a user for determining skin puffiness. A plurality of training images of a plurality of individuals are aggregated, each of the training images comprising pixel data of a respective skin area of an individual. A skin puffiness model, trained with the pixel data, is operable to output, across a range of a skin puffiness scale, skin puffiness values associated with a degree of skin puffiness. An image of a user comprising pixel data of at least a portion of a user skin area is received and analyzed, by the skin puffiness model, to determine a user-specific skin puffiness value of the user skin area. A user-specific electronic recommendation addressing at least one feature identifiable within the pixel data is generated and rendered, on a display screen of a user computing device.

According to various, but not necessarily all, embodiments there is provided an apparatus comprising means for: obtaining a propagation profile for wireless signals transmitted between at least two devices via a creeping wave along a user's skin; causing transmission of electromagnetic radiation towards a plurality of locations on a target user's body to obtain dielectric properties of their skin at the plurality of locations based on an amount of the electromagnetic radiation reflected from each location; determining whether the propagation profile correlates with a realizable creeping wave along the target user's skin, the realizability being based on the obtained dielectric properties of their skin; and forming an association between the target user and the at least two devices based on a strength of correlation between the propagation profile and a realizable creeping wave.

a) A Gabor domain optical coherence microscopy (GD-OCM) system providing high resolution of structural and motion imaging of objects such as tissues is combined with the use of reverberant shear wave fields (RevSW) or longitudinal shear waves (LSW) and two novel mechanical excitation sources: a coaxial coverslip excitation (CCE) and a multiple pronged excitation (MPE) sources providing structured and controlled mechanical excitation in tissues and leading to accurate derivation of elastographic properties. Alternatively, general optical computed tomography (OCT) is combined with RevSW or LWC in the object to derive elastographic properties. The embodiments include (a) GD-OCM with RevSW; (b) GD-OCM with LSW; (c) General OCT with RevSW; and General OCT with LSW.

Devices and methods useful for sensing epidermal tissue are disclosed. Thermal data from the devices allows for determination of thermal transport properties, such as thermal conductivity, thermal diffusivity and heat capacity per unit volume. From these data, tissue parameters, such as hydration state, stratum corneum thickness, epidermis thickness and vasculature structure may be determined. These parameters may be used, for example, to evaluate the efficacy of dermatological compounds.

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. In response to determining that the SNR is below a target SNR, the method causes (106) an indication of an illumination parameter to be sent to the illumination unit to increase an amplitude modulation depth of the temporally modulated illumination used to illuminate the subject while the imaging device acquires a subsequent set of images for constructing a subsequent ambient-corrected image.