Abstract: An optical transmission module includes a housing having a cavity therein and an optical transmission device encapsulated in the cavity. The optical transmission device includes an optical waveguide substrate, laser assemblies, an optical multiplexing assembly and main waveguides. The optical waveguide substrate includes a surface and a first reflection inclined surface having an acute angle therebetween. The laser assemblies are disposed on the surface of the optical waveguide substrate, and are configured to emit laser beams towards the surface of the optical waveguide substrate. The optical multiplexing assembly is disposed in the optical waveguide substrate, and is configured to combine the laser beams into a laser beam. The main waveguides are disposed inside the optical waveguide substrate, light inlet ends of the main waveguides face the first inclined surface, and light outlet ends of the main waveguides are communicated with the optical multiplexing assembly.

Abstract: A push-bending forming device for titanium alloy tubes is provided, which includes a die main body, a plurality of filling balls, a differential temperature assembly and a punch. The filling balls are configured to be filled in a tube blank, and are made of a metal material, with a heat-resistance temperature over 500° C. A diameter of the filling ball is less than an inner diameter of the tube blank. The punch includes a first pushing part and a second pushing part. A push-bending forming method using such device is also provided.

Abstract: An optical module including: a circuit board; an optical emission component including an emission base embedded in a mounting hole of the circuit board, a light emitting assembly disposed on the emission base and connected to the circuit board through wire bonding to generate 2N paths of optical signals, wherein N?1, and a collimating lens group located in output optical path of the light emitting assembly; a first optical reception component disposed on the circuit board to receive N paths of optical signals; a second optical reception component disposed on the circuit board to receive N paths of optical signals; an optical transmission assembly comprising a first optical fiber connected to the optical emission component, a second optical fiber connected to the first optical reception component, and a third optical fiber connected to the second optical reception component.

Abstract: An optical module includes a base, a first cover, a circuit board, a light emitting assembly and a light receiving assembly. Part of the circuit board is arranged on a surface of the base, and part thereof arranged outside the base. The light emitting assembly includes a plurality of light-emitting chips disposed on the base and an optical multiplexer disposed on the first cover and located in a laser exit direction of the plurality of light-emitting chips. The light receiving assembly includes an optical demultiplexer disposed on the first cover, a plurality of light-receiving chips disposed on the circuit board and are located in a laser exit direction of the optical demultiplexer, a reflection prism disposed at a side of the plurality of light-receiving chips away from the circuit board, and an optical receiving case covering the plurality of light-receiving chips and the reflection prism.

Abstract: A method and a system for detecting a long-distance target through a binocular camera, and an intelligent terminal are provided. The method includes the steps of: acquiring original images generated by the binocular camera at a target region, acquiring a disparity map in accordance with the original images, and converting the disparity map into a space information point cloud map; partitioning a predetermined target detection range into a plurality of sub-ranges in accordance with the space information point cloud map, and acquiring a disparity threshold segmentation image for each sub-range; calculating an integral image in accordance with each disparity threshold segmentation image, and acquiring a heatmap of an obstacle in accordance with the integral images; and reversely mapping a maximum matching region in the heatmap to the original image, so as to acquire a target ROI for the obstacle, thereby to acquire a position of the obstacle.

Abstract: Provided is an Aobject-based short range measurement method, a short range measurement device, a short range measurement system, and a storage medium. The short range measurement method includes: identifying a target object, and acquiring border information about an ROI of the target object; acquiring two groups of geometric constraint points of the target object with respect to a left-eye camera and a right-eye camera respectively; acquiring pixel coordinates of each geometric constraint point and a border pixel size corresponding to the border information, and calculating a monocular distance estimation value of the target object; acquiring an overall disparity of the two groups of geometric constraint points, and calculating a binocular distance estimation value of the target object in accordance with the overall disparity; and acquiring a final measurement value in accordance with the monocular distance estimation value and the binocular distance estimation value.

Abstract: A push-bending forming device for titanium alloy tubes is provided, which includes a die main body, a plurality of filling balls, a differential temperature assembly and a punch. The filling balls are configured to be filled in a tube blank, and are made of a metal material, with a heat-resistance temperature over 500° C. A diameter of the filling ball is less than an inner diameter of the tube blank. The punch includes a first pushing part and a second pushing part. A push-bending forming method using such device is also provided.

Abstract: An optical module includes a base, a first cover, a circuit board, a light emitting assembly and a light receiving assembly. The light emitting assembly includes a plurality of light-emitting chips and an optical multiplexer. The plurality of light-emitting chips are disposed on the first bottom plate. The optical multiplexer is disposed on the first cover and is located in a laser exit direction of the plurality of light-emitting chips. The light receiving assembly includes an optical demultiplexer and a plurality of light-receiving chips. The optical demultiplexer is disposed on the first cover. The plurality of light-receiving chips are disposed on the circuit board and are located in a laser exit direction of the optical demultiplexer.

Abstract: An optical module includes a circuit board, a light-emitting housing, a first optical fiber adapter, a first internal optical fiber, and an optical fiber connector. An end of the first internal optical fiber is connected to the first optical fiber adapter, and the optical fiber connector is optically connected to the light-emitting component and wraps another end of the first internal optical fiber. The first internal optical fiber and the optical fiber connector are transparent material members, and light transmittance of the two is different. The light-emitting housing includes a bottom wall and a concave groove. The optical fiber connector is disposed on the bottom wall, and a portion of the optical fiber connector is located above the concave groove. An orthogonal projection of the another end of the first internal optical fiber on the bottom wall is located in the concave groove.

Abstract: An RGB-D fusion information-based obstacle target classification method includes: collecting an original image through a binocular camera within a target range, and acquiring a disparity map of the original image; collecting a color-calibrated RGB image through a reference camera of the binocular camera within the target range; acquiring an obstacle target through disparity clustering in accordance with the disparity map and the color-calibrated RGB image, and acquiring a target disparity map and a target RGB image of the obstacle target; calculating depth information about the obstacle target in accordance with the target disparity map; and acquiring a classification result of the obstacle target through RGB-D channel information fusion in accordance with the depth information and the target RGB image.

Abstract: A method and a system for extracting a dense disparity map based on multi-sensor fusion are provided. The method includes: obtaining a left-eye image and a right-eye image in a same road scenario, and point cloud information about the road scenario; generating an initial cost volume map set in accordance with the left-eye image, the right-eye image and the point cloud information; performing multidirectional cost aggregation in accordance with the point cloud information and the initial cost volume map set, and creating an energy function in accordance with the cost aggregation; and solving an optimum disparity for each pixel in the left-eye image in accordance with the energy function, so as to generate the dense disparity map.

Abstract: An optical module includes a base, a first cover, a circuit board, a light emitting assembly and a light receiving assembly. The light emitting assembly includes a plurality of light-emitting chips and an optical multiplexer. The plurality of light-emitting chips are disposed on the first bottom plate. The optical multiplexer is disposed on the first cover and is located in a laser exit direction of the plurality of light-emitting chips. The light receiving assembly includes an optical demultiplexer and a plurality of light-receiving chips. The optical demultiplexer is disposed on the first cover. The plurality of light-receiving chips are disposed on the circuit board and are located in a laser exit direction of the optical demultiplexer.

Abstract: The present disclosure provides a method for distance measurement based on a binocular camera, a system for distance measurement based on a binocular camera, a device and a computer-readable storage medium. The method includes: taking N images of a distance measurement marker placed at each of Z positions in a depth direction of the binocular camera; calculating an average disparity of the distance measurement marker at the middle position, the left side position and the right side position at each of the Z positions; calculating a distance measurement value at each of the Z positions in the depth direction; calculating a distance measurement error value at the middle position, the left side position and the right side position at each of the Z positions, and acquiring a total error cost function; and calculating extrinsic parameters, so as to acquire a distance measurement result in the depth direction.

Abstract: Provided is an Aobject-based short range measurement method, a short range measurement device, a short range measurement system, and a storage medium. The short range measurement method includes: identifying a target object, and acquiring border information about an ROI of the target object; acquiring two groups of geometric constraint points of the target object with respect to a left-eye camera and a right-eye camera respectively; acquiring pixel coordinates of each geometric constraint point and a border pixel size corresponding to the border information, and calculating a monocular distance estimation value of the target object; acquiring an overall disparity of the two groups of geometric constraint points, and calculating a binocular distance estimation value of the target object in accordance with the overall disparity; and acquiring a final measurement value in accordance with the monocular distance estimation value and the binocular distance estimation value.

Abstract: A component for a vehicle interior is disclosed. The component may comprise an airbag door hinge coupled with an airbag door and a load-bearing component surrounding the door. The airbag door hinge may comprise a fabric layer configured to extend during deployment of an airbag. The fabric layer may comprise a mesh comprising a first segment of yarns and a second segment of yarns. The mesh may comprise a grid comprising multiple first segments and multiple second segments. Density of the first segment of yarns may differ from density of the second segment of yarns. The grid may comprise a first row of first segments spaced from one another by openings and a second row of second segments adjacent one another. The grid may comprise a third row of first segments spaced from one another by openings. The second row may separate the first and third rows.

Abstract: An RGB-D fusion information-based obstacle target classification method includes: collecting an original image through a binocular camera within a target range, and acquiring a disparity map of the original image; collecting a color-calibrated RGB image through a reference camera of the binocular camera within the target range; acquiring an obstacle target through disparity clustering in accordance with the disparity map and the color-calibrated RGB image, and acquiring a target disparity map and a target RGB image of the obstacle target; calculating depth information about the obstacle target in accordance with the target disparity map; and acquiring a classification result of the obstacle target through RGB-D channel information fusion in accordance with the depth information and the target RGB image.

Abstract: A method and a system for detecting a long-distance target through a binocular camera, and an intelligent terminal are provided. The method includes the steps of: acquiring original images generated by the binocular camera at a target region, acquiring a disparity map in accordance with the original images, and converting the disparity map into a space information point cloud map; partitioning a predetermined target detection range into a plurality of sub-ranges in accordance with the space information point cloud map, and acquiring a disparity threshold segmentation image for each sub-range; calculating an integral image in accordance with each disparity threshold segmentation image, and acquiring a heatmap of an obstacle in accordance with the integral images; and reversely mapping a maximum matching region in the heatmap to the original image, so as to acquire a target ROI for the obstacle, thereby to acquire a position of the obstacle.

Abstract: The present disclosure provides a method for distance measurement based on a binocular camera, a system for distance measurement based on a binocular camera, a device and a computer-readable storage medium. The method includes: taking N images of a distance measurement marker placed at each of Z positions in a depth direction of the binocular camera; calculating an average disparity of the distance measurement marker at the middle position, the left side position and the right side position at each of the Z positions; calculating a distance measurement value at each of the Z positions in the depth direction; calculating a distance measurement error value at the middle position, the left side position and the right side position at each of the Z positions, and acquiring a total error cost function; and calculating extrinsic parameters, so as to acquire a distance measurement result in the depth direction.

Abstract: An optical transmission module includes a housing having a cavity therein and an optical transmission device encapsulated in the cavity. The optical transmission device includes an optical waveguide substrate, laser assemblies, an optical multiplexing assembly and main waveguides. The optical waveguide substrate includes a surface and a first reflection inclined surface having an acute angle therebetween. The laser assemblies are disposed on the surface of the optical waveguide substrate, and are configured to emit laser beams towards the surface of the optical waveguide substrate. The optical multiplexing assembly is disposed in the optical waveguide substrate, and is configured to combine the laser beams into a laser beam. The main waveguides are disposed inside the optical waveguide substrate, light inlet ends of the main waveguides face the first inclined surface, and light outlet ends of the main waveguides are communicated with the optical multiplexing assembly.

Abstract: Provided is an object-based short range measurement method, a short range measurement device, a short range measurement system, and a storage medium. The short range measurement method includes: identifying a target object, and acquiring border information about an ROI of the target object; acquiring two groups of geometric constraint points of the target object with respect to a left-eye camera and a right-eye camera respectively; acquiring pixel coordinates of each geometric constraint point and a border pixel size corresponding to the border information, and calculating a monocular distance estimation value of the target object; acquiring an overall disparity of the two groups of geometric constraint points, and calculating a binocular distance estimation value of the target object in accordance with the overall disparity; and acquiring a final measurement value in accordance with the monocular distance estimation value and the binocular distance estimation value.