Wenzhou Medical University

Other

Fairfield University

Min Xu

Bixin Zeng

Weihao Lin

Xinlin Chen

Zhineng Xie

Zili Cao

A reciprocal polar decomposition for a backscattering Mueller matrices, including the following steps: step 1, according to the reciprocity of forward light path and backward light path, transforming the Mueller matrix M of backscattering into a symmetric matrix QM; step 2, obtaining a diattenuator matrix Mby a matrix QMG; step 3, obtaining eigenvalues and eigenvectors through orthogonal decomposition; step 4, sorting the eigenvectors to obtain a depolarization matrix Mand a retarder matrix M; and step 5, obtaining polarization parameters by the obtained depolarization matrix Mand retarder matrix M. By using this decomposition, a systematic solution for decomposing the backscattering Mueller matrix is given firstly, and polarization parameters (such as an orientation angle, linear retarder, and depolarization) for characterizing a microstructure of a medium are obtained.

Reversible polar decomposition method for backscattering Mueller matrix

An optical imaging method based on mapping of a layered structure. The specific spatial distribution and optical properties of materials in each layer are fully taken into account so that optical information of each corresponding layer can be separated out, wherein the optical information comprises absorption and scattering coefficients of each layer. The method is applied to biological system detection to obtain physiological parameter information of each layer of tissue, wherein the physiological parameter information comprises the content of oxyhemoglobin, the content of deoxyhemoglobin the content of melanin, and epidermal thickness. The method in combination with SFDI technology is applied to forearm reactive hyperemia experiments and skin mole examinations yielding positive results.

Optical imaging method based on mapping of layered structure

This invention discloses a recycling apparatus for waste lithium battery, comprising a main body, a lithium battery recycling device disposed in the main body, wherein, the lithium battery recycling device comprises a dissolution device disposed in the main body, wherein the dissolution device comprises dissolution cavities symmetrically disposed in two sides of the main body; a pushing cavity communicated with the inner wall of the upper side of the dissolution cavities; a pushing device disposed in the pushing cavity; wherein the lithium battery is put into one of the dissolution cavities for alkaline dissolving through the solution in the dissolution cavity and part of the metals are extracted. The lithium battery is then pushed to the other one of the dissolution cavities for further acidic dissolution through the pushing device. Thus the recycling of the metals in the waste battery will be realized.

Recycling apparatus for waste lithium battery

A light reflection imaging method for acquiring optical parameters and microstructures of tissues in a large area, comprising a turbid medium reflectance calculation method applicable at a random spatial distance and in an entire spatial frequency domain, and a method of measuring the reflectance of a turbid medium at high and low spatial frequencies and inverting the obtained light reflectance to obtain optical parameters of the medium. The inversion method may be a table lookup method or a formula fitting method. The measurement of sub-diffuse and diffuse light reflectance of the turbid medium can be used for measuring the optical properties of the turbid medium and microstructures including a phase function and the like in a large area.

Light reflection imaging method for acquiring optical parameters and microstructures of tissues in a large area

A single snapshot multi-frequency demodulation method for a modulated image obtained by modulating and summing one or more original components at different frequencies in a time domain or spatial domain, especially for a modulated image including multiple frequency components. AC and DC component values of each pixel at each frequency are extracted sequentially, and then an original AC and DC component image corresponding to each frequency is obtained. The method can be used in the time or spatial domain, can decompose multiple frequency component images using single measurement, has the advantages of fast speed, higher demodulation precision and good de-noising effect, meets the requirements for acquiring multiple pieces of frequency information at a time and overcomes inevitable errors in multiple measurements. Further, multiple pieces of image information can also be transmitted once using the demodulation method, so that parallel real-time transmission of the information in the communication field is realized.

Single snapshot multi-frequency demodulation method

The utility model provides a simple curtain hook comprising an air bag, a main body rack, engaging teeth, a blocking bar and a hook. The engaging teeth are arranged on a lower end face of the main body rack, which design realizes the connection with a curtain fabric to prevent the hook from falling off and improve a film connection effect. The blocking bar is fixed at a right end of the main body rack, the hook is mounted above the blocking bar, and a left part of the hook is assembled at a middle position of an upper end of the air bag, which design realizes the self-locking of the hook, facilitates disassembly and reduces labor intensity. The simple curtain hook of the utility model is convenient to use and disassemble, reduces labor intensity and has high firmness.

Simple curtain hook

A low coherence enhanced backscattering tomography (LEBT) method is disclosed for depth-selective sensing of the superficial layer of tissue. 3D images of the microarchitecture and molecular conformation of the superficial layer of tissue are obtained. The method combines the high resolution advantage of low coherence light and the high sensitivity advantage of light scattering to tissue structure and composition. Intact tissue can be examined without the need of excision or processing. The method can be applied in in situ measurements. According to the method, 3D images of the nuclear morphology and cellular structure for the superficial layer of the tissue are generated; this is particularly useful in detecting cancer and precancer at the earliest stage of carcinogenesis.

Growing community of inventors

Wenzhou, China

Min Xu