Method for sorting corn kernels of a batch of corn kernels, the method comprising the steps of: laying the corn kernel on a support surface, the corn kernel having a resting surface in contact with the support surface, and an upper surface opposite the resting surface, acquiring at least one orientation image of the corn kernel with an orientation imaging system, the orientation imaging system having a modality adapted to enable structural features of the corn kernel to be measured, determining an orientation of the corn kernel with respect to the support surface based on the structural features of the corn kernel measured on the orientation image, sorting the corn kernel as a function of the orientation.

Method for sorting corn kernels of a batch of corn kernels, the method comprising the steps of: laying the corn kernel on a support surface, the corn kernel having a resting surface in contact with the support surface, and an upper surface opposite the resting surface, acquiring at least one orientation image of the corn kernel with an orientation imaging system, the orientation imaging system having a modality adapted to enable structural features of the corn kernel to be measured, determining an orientation of the corn kernel with respect to the support surface based on the structural features of the corn kernel measured on the orientation image, sorting the corn kernel as a function of the orientation.

The present disclosure is to provide a measurement chip, a measuring device, and a measuring method which can accurately estimate an analyte concentration with a simple configuration. A measurement chip may include a propagation layer, an introductory part, a drawn-out part and a reaction part. Through the propagation layer, light may propagate. The introductory part may introduce the light into the propagation layer. The drawn-out part may draw the light from the propagation layer. The reaction part may have, in a surface of the propagation layer where a reactant that reacts to a substance to be detected is formed, an area where a content of the reactant changes monotonously in a perpendicular direction perpendicular to a propagating direction of the light, over a given length in the propagating direction.

A microscope device includes an opening (31) that includes a first slit and a second slit through which a plurality of pieces of light from an observation target resulting from a plurality of pieces of irradiation light emitted to the observation target and having different wavelengths pass, a dispersion element that wavelength-disperses the plurality of pieces of light passing through the opening (31), and an imaging element (32) that receives the plurality of pieces of light wavelength-dispersed by the dispersion element. The imaging element (32) performs light reception so that, as for the plurality of pieces of light wavelength-dispersed, zeroth-order light of light passing through the second slit and first-order light of light passing through the first slit do not overlap with each other.

A reference imaging system including a planar reference piece. The reference imaging system further includes a three-axis gantry for positioning the planar reference piece at a plurality of points in a 3D coordinate system. Additionally, the reference imaging system includes a yaw actuator for adjusting the yaw angle of the object. Furthermore, the reference imaging system includes a pitch actuator for adjusting the pitch of the object. Moreover, the reference imaging system includes a computer processing unit for controlling the 3D position, pitch and yaw of the planar reference piece.

Disclosed is a device including a substrate having a plurality of detection areas to receive at least a portion of a sample having an analyte or suspected of having an analyte and at least one reference marker adjacent to at least one of the detection areas, wherein each of the detection areas detects a specific analyte and the at least one reference marker defines a scale mark, a shape mark, a color mark, or a combination thereof. Also disclosed is an imaging system and method for using the device and imaging system.

Disclosed is a device including a substrate having a plurality of detection areas to receive at least a portion of a sample having an analyte or suspected of having an analyte and at least one reference marker adjacent to at least one of the detection areas, wherein each of the detection areas detects a specific analyte and the at least one reference marker defines a scale mark, a shape mark, a color mark, or a combination thereof. Also disclosed is an imaging system and method for using the device and imaging system.

A measurement apparatus includes a light source, a sensor including light detection cells including a first light detection cell and a second light detection cell, and an electronic circuit. The circuit causes the light source to emit a light pulse, causes the first light detection cell to detect a reflected light pulse from a target in an exposure period including at least part of a period from when an intensity of the reflected light pulse starts increasing to when it starts falling and generate a first signal, causes the second light detection cell to detect the reflected light pulse in an exposure period including at least part of a trailing period from when the intensity of the reflected light pulse starts falling to when it stops falling and generate a second signal. The circuit generates, based on the first and second signals, data representing states of the target.

A measurement apparatus includes a light source, a sensor including light detection cells including a first light detection cell and a second light detection cell, and an electronic circuit. The circuit causes the light source to emit a light pulse, causes the first light detection cell to detect a reflected light pulse from a target in an exposure period including at least part of a period from when an intensity of the reflected light pulse starts increasing to when it starts falling and generate a first signal, causes the second light detection cell to detect the reflected light pulse in an exposure period including at least part of a trailing period from when the intensity of the reflected light pulse starts falling to when it stops falling and generate a second signal. The circuit generates, based on the first and second signals, data representing states of the target.

A method for conducting a urinalysis is provided. The method includes receiving an image of a urine strip having a plurality of reacting areas configured to react with a predetermined urine parameter, and a plurality of reference regions each having a designated color; extracting, from each reference region, reference values representative of a detected color in the reference region; extracting, from each reacting area, color values representative of a detected color of the reacting area; conducting a regression analysis by determining least-squares of the reference values in accordance with prestored set of values corresponding to expected colors of each reference region; determining a color correction model by calculating root polynomial expansion of the least-squares; applying the color correction model on the color values by calculating root polynomial expansion of the color values to obtain normalized values; and determine level of the urine parameters in accordance with normalized values.