Abstract: A microscopic tomography device based on light-sheet and single-pixel imaging is provided. The device includes: a light source; a pattern modulator, configured to modulate light from the light source into different illumination patterns; a light modulator, configured to modulate the illumination patterns as patterned light sheets; a detector, configured to detect the light passing through the sample after the sample is illuminated by the patterned light sheets; a focusing lens, configured to focus the light passing through the sample onto the detector; and a reconstruction component, configured to reconstruct an image of the sample at the illuminated depth using the illumination patterns, corresponding measurements and a single-pixel imaging algorithm.

Abstract: The present disclosure provides a genome-wide association study method for imbalanced samples, including: randomly selecting L subsets from the healthy samples; pairing each of the L subsets with the diseased samples to obtain L sample combinations, and determining key genetic loci corresponding to each sample combination; evaluating a score of an importance degree of each sample combination according to times that each key genetic locus is determined in the L sample combinations; for each healthy sample, determining a mean value of scores of an importance degree of sample combinations that the healthy sample is assigned to, and determining the mean value as a confidence score of the healthy sample; and normalizing the confidence score of each healthy sample to obtain a weight of each healthy sample, and performing weighted logistic regression according to the weight of each healthy sample.

Abstract: A method and an apparatus for coded focal stack photographing are provided. The method includes: changing a focal surface within a single exposure time and per-pixel coding a sensor readout for each focal surface to obtain a modulation function M(y,z), where y?{y1,y2} is a two-dimensional spatial coordinate and z is a depth coordinate of a latent three-dimensional focal stack F(y,z); coding the latent three-dimensional focal stack F(y,z) into a two-dimensional sensor image I(y) by using the modulation function M(y,z); and achieving one or more of a programmable non-planar focal surface imaging, an interleaved focal stack imaging, and a compressive focal stack imaging, based on the modulation functions M(y,z) and the two-dimensional sensor image I(y).

Abstract: A method and an apparatus for calibrating a multi-spectral sampling system are provided. The method includes: sampling scene information of a scene to obtain a two-path multi-spectral image comprising a multi-spectral image consisting of a plurality of sampling points and a RGB color image; calibrating a spectrum of each of the plurality of sampling points to obtain a spatial location thereof and a spectral wavelength corresponding to the spatial location; providing two scanning videos in different scanning directions, demonstrating and shooting the two scanning videos to obtain two two-path multi-spectral videos, in which each two-path multi-spectral video comprises a multi-spectral video and a RGB color video; and based on the spatial location of each of the plurality of sampling points, obtaining a matching point of each of the plurality of sampling points, so as to implement a spatial location calibration of the multi-spectral sampling system.

Abstract: A method and an apparatus for calibrating a multi-spectral sampling system are provided. The method includes: sampling scene information of a scene to obtain a two-path multi-spectral image comprising a multi-spectral image consisting of a plurality of sampling points and a RGB color image; calibrating a spectrum of each of the plurality of sampling points to obtain a spatial location thereof and a spectral wavelength corresponding to the spatial location; providing two scanning videos in different scanning directions, demonstrating and shooting the two scanning videos to obtain two two-path multi-spectral videos, in which each two-path multi-spectral video comprises a multi-spectral video and a RGB color video; and based on the spatial location of each of the plurality of sampling points, obtaining a matching point of each of the plurality of sampling points, so as to implement a spatial location calibration of the multi-spectral sampling system.

Abstract: A method and an apparatus for coded focal stack photographing are provided. The method includes: changing a focal surface within a single exposure time and per-pixel coding a sensor readout for each focal surface to obtain a modulation function M(y,z), where y ? {y1, y2} is a two-dimensional spatial coordinate and z is a depth coordinate of a latent three-dimensional focal stack F(y,z); coding the latent three-dimensional focal stack F(y,z) into a two-dimensional sensor image I(y) by using the modulation function M(y, z); and achieving one or more of a programmable non-planar focal surface imaging, an interleaved focal stack imaging, and a compressive focal stack imaging, based on the modulation functions M(y, z) and the two-dimensional sensor image I(y).

Abstract: A method for transmitting spectrum information is provided. The method includes: sampling a first video of a scene by a first sampling device and sampling a spectrum video of a sampling point in the scene by a second sampling device, and processing the spectrum video to obtain a spectrum information of the sampling point; calculating estimated transmission ratio coefficients of the spectrum video according to color integral curves of the first sampling device; estimating a location of the sampling point in each frame of the first video; and transmitting the spectrum information of the sampling point to a plurality of scene points in the first video according to the estimated transmission ratio coefficients and the location of the sampling point in each frame of the spectrum video through a trilateral filtering algorithm.