Abstract: This disclosure provides a parking space identification method, a parking space identification apparatus, a computer-readable storage medium, and an electronic device, and relates to the field of smart transportation technology. The method includes: obtaining an around-view image of a target vehicle and determining a target region from the around-view image; segmenting the target region in a target direction to obtain multiple grids, where the target direction is perpendicular to a driving direction of the target vehicle; and determining a parking space based on image semanteme information corresponding to the multiple grids separately.

Abstract: This application discloses a laser ranging device, including a housing, a light-transmitting sheet, at least one laser emission module, and at least one laser receiving module; the laser emission module includes a laser and an emission lens module; the emission lens module includes at least one emission optical element; the laser receiving module includes a laser detector and a receiving lens module; the receiving lens module includes at least one receiving optical element; the laser receiving module also includes a first enclosing member; and the first enclosing member is arranged between a first optical element and the light-transmitting sheet to enclose and form a first sealing cavity between the light-transmitting sheet and the first optical element; or the second enclosing member is arranged between a second optical element and the light-transmitting sheet to enclose and form a second sealed cavity between the light-transmitting sheet and the second optical element.

Abstract: This application provides a parking space detection method, an electronic device, and a computer-readable storage medium. The parking space detection method includes: obtaining a parking space image and parking space lines detected by a radar device at a first position, and an image feature of the parking space image includes an image feature of reference parking space lines; determining an overlapping rate of the parking space lines and the parking space image; determining an included angle of an entrance line in the parking space lines, and determining a target confidence degree of the parking space at the first position based on the overlapping rate and the included angle of the entrance line; and when the target confidence degree is greater than a preset value, determining the parking space at the first position as an available parking space.

Abstract: The present disclosure relates to the technical field of protective case, in particular to a protective case for electronic device and a method for manufacturing the same. The protective case for electronic device includes an inner shell, an outer shell, and a magnetic interlayer that fits and in contact with the inner shell and the outer shell, wherein: the magnetic interlayer includes an interlayer base material and a magnetic part, the magnetic interlayer is provided with a through installation hole, and the magnetic part is fixedly embedded in the installation hole, the thickness of the magnetic part matches with the depth of the installation hole, the interlayer base material includes a hot-melt base material and reinforcing fiber yarn contained in the hot-melt base material, and the hot-melt base material is filled between the magnetic part and the inner side wall of the installation hole.

Abstract: A cooking control method of a cooking apparatus includes steps of heating a cooking chamber of the cooking apparatus to an ambient temperature by a heating unit of the cooking apparatus, detecting the ambient temperature of the cooking chamber, maintaining the ambient temperature of the cooking chamber, maintaining the ambient temperature of the cooking chamber at a predetermined set temperature by controlling the heating unit when the ambient temperature of the cooking chamber reaches the predetermined set temperature, detecting an inner temperature of an inner portion of the cooking object, and controlling the heating unit to heat the cooking chamber to maintain at an appropriate cooking temperature when the inner temperature of the cooking object reaches the appropriate cooking temperature so as to cook the cooking object at the appropriate cooking temperature in the cooking chamber.

Abstract: Provided are a control system of an electromagnetic relay and an electromagnetic relay. The control system of an electromagnetic relay includes an electromagnet coil, a first resistor, and a first voltage control element. A first terminal of the electromagnet coil is connected to a first terminal of a first power circuit through the first resistor. A second terminal of the electromagnet coil is connected to a second terminal of the first power circuit. The first voltage control element is connected in parallel to the electromagnet coil. The first voltage control element can control the magnitude of the voltage across the electromagnet coil, so that the force to which armature iron is subjected gradually changes.

Abstract: A VR equipment includes a casing, and an optical module, an eye movement module, and a display module located inside the casing. The optical module includes a lens barrel and first to fourth lenses located in the lens barrel and arranged in sequence from an object plane to an image plane along an optical axis. The eye movement module is located between the first and second lenses. The eye movement module has a light-emitting unit and a receiving unit. The light-emitting unit emits a detection light to human eyes which is then reflected. The reflected detection light is reflected at an object side surface of the second lens and then enters the receiving unit after passing through an object side surface and an image side surface of the first lens. The display module is at an image side surface of the fourth lens. The display module displays an image.

Abstract: This application discloses an optical system and a LiDAR, where the optical system includes a bracket and at least one first optical assembly; the bracket includes a first end surface and a second end surface that are arranged back to back, where the bracket is also provided with a first accommodation cavity, and the first accommodation cavity extends along a first axial direction and communicates with the first end surface and the second end surface; and the first optical assembly includes at least one optical element, and the optical element included in the first optical assembly is arranged in the first accommodation cavity along the first axial direction, and abuts against an inner wall of the first accommodation cavity.

Abstract: A LIDAR includes an emission module, a beam adjustment module and a receiving module, where the beam adjustment module includes a first scanning apparatus and a second scanning apparatus. The emission module is configured to emit a laser beam. The first scanning apparatus is rotated in a first set direction to drive the laser beam to scan along a first direction, and the second scanning apparatus is rotated in a second set direction to drive the laser beam to scan along a second direction. A receiving beam is formed after the laser beam is reflected in the detection region, and the receiving beam is reflected by the second mirror of the second scanning apparatus and then received by the receiving module. The size of the first scanning apparatus can be reduced.

Abstract: This application discloses a LiDAR and a mobile device, where LiDAR includes a lens and a photonic chip, an optical axis of the lens extends along a first preset direction; the photonic chip and the lens are spaced apart along the first preset direction, the photonic chip includes a cladding layer and multiple receiving waveguide core layers, all the receiving waveguide core layers are located at an end of the cladding layer that is closer to the lens and are spaced apart along a second preset direction, each receiving waveguide core layer has a first end surface and a second end surface opposite to each other, the first end surface is closer to the lens than the second end surface; and there is a distance between a first end surface of at least one receiving waveguide core layer and a focal plane of the lens.