Abstract: An atomization core, an atomizer, and an electronic atomization device are provided. The atomization core includes a porous substrate, a heating element, and a transition layer between the porous substrate and the heating element. The transition layer at least partially fills and/or covers the porous substrate.

Abstract: A heating assembly, an atomizer, and an electronic atomization device are provided. The heating assembly includes a substrate and a heating film. The substrate includes a liquid absorbing surface and an atomizing surface that are oppositely disposed. The substrate is provided with a plurality of liquid guiding holes that go through the liquid absorbing surface and the atomizing surface. The heating film is disposed on the atomizing surface, the liquid guiding holes extend through the heating film. A density of the plurality of liquid guiding holes in a first direction is greater than a density of the plurality of liquid guiding holes in a second direction.

Abstract: A heating body for heating a vaporized aerosol generation substrate includes: a substrate layer having a first surface and a second surface opposite the first surface; a heating layer formed on the first surface and/or the second surface; and a plurality of through holes having a capillary force. Each through hole of the plurality of through holes is elongated and extends through the first surface to the second surface. The heating body includes at least two regions. Pore sizes of the through holes of each region of the at least two regions are different.

Abstract: A heating body for heating a vaporized aerosol generation substrate includes: a substrate layer having a first surface and a second surface opposite the first surface; a heating layer formed on the first surface and/or the second surface; and a plurality of through holes having a capillary force. Each through hole of the plurality of through holes is elongated and extends through the first surface to the second surface.

Abstract: A ceramic substrate is provided. A thickness of the ceramic substrate ranges from 1 to 4 mm, and a thermal conductivity of the ceramic substrate ranges from 0.8 to 2.5 W/m·k. In an embodiment, the thickness of the ceramic substrate ranges from 1.5 to 3 mm. In an embodiment, the thermal conductivity of the ceramic substrate ranges from 1.0 to 2.0 W/m·k.

Abstract: A heating body for heating a vaporized aerosol generation substrate includes: a substrate layer having a first surface and a second surface opposite the first surface; a heating layer formed on the first surface and/or the second surface; and a plurality of through holes having a capillary force. Each through hole of the plurality of through holes is elongated and extends through the first surface to the second surface.

Abstract: The present application relates to the technical field of image recognition, and provides a carpal segmentation and recognition method, including: performing threshold segmentation on a carpal region of interest on a child orthotopic wrist X-ray image based on an adaptive threshold segmentation manner of variable threshold segmentation windows, and extracting edge information of the carpal region of interest based on an edge detection manner; combining a binarized image obtained by performing the threshold segmentation with the extracted edge information to obtain an initial segmentation image; performing carpal recognition on the initial segmentation image by using a carpal anatomy priori model to obtain an initial recognition image including information of each carpal bone; and performing boundary optimization on the initial recognition image, and outputting a carpal recognition image obtained after the boundary optimization is performed.

Abstract: The present application relates to the technical field of image recognition, and provides a carpal segmentation and recognition method, including: performing threshold segmentation on a carpal region of interest on a child orthotopic wrist X-ray image based on an adaptive threshold segmentation manner of variable threshold segmentation windows, and extracting edge information of the carpal region of interest based on an edge detection manner; combining a binarized image obtained by performing the threshold segmentation with the extracted edge information to obtain an initial segmentation image; performing carpal recognition on the initial segmentation image by using a carpal anatomy priori model to obtain an initial recognition image including information of each carpal bone; and performing boundary optimization on the initial recognition image, and outputting a carpal recognition image obtained after the boundary optimization is performed.