Abstract: A battery cell and a manufacturing method thereof, a battery, and an electric apparatus. The battery cell includes: a housing, including a first wall; an electrode assembly, disposed within the housing, where the electrode assembly includes an electrode body and a first tab, and the first tab is led out from the electrode body; and a first current collector, configured to electrically connect the first tab to the first wall, where the first current collector is connected to an inner surface of the first wall by a first weld seam, and the first weld seam does not penetrate to an outer surface of the first wall.

Abstract: An image processing method may be applied to a movable platform, and the movable platform may comprise a first vision sensor and a second vision sensor. The method may include obtaining a first localized image of the first vision sensor within an overlapping visual range, obtaining a second localized image of the second vision sensor within the overlapping visual range; acquiring an image captured by the first vision sensor at a first moment and an image captured at a second moment, the first vision sensor being positioned in space at the first moment differently than at the second moment; and determining a relative positional relationship between an object in the space where the movable platform is located and the movable platform based on the first localized image, the second localized image, the image captured at the first moment and the image captured at the second moment.

Abstract: A battery cell, a battery, and an electrical apparatus are described. The battery cell includes a case; an electrode assembly, the electrode assembly being provided with a tab; and a current collector plate including a first connecting plate and a second connecting plate that are connected, where the first connecting plate is connected to the tab by welding, and the second connecting plate is connected to the case by welding; and in a direction perpendicular to a thickness direction of the second connecting plate, a projection of the first connecting plate at least partially overlaps with a projection of the second connecting plate. The current collector plate can improve the stability and reliability of a connection between the case and the tab; in addition, the current collector plate has a small thickness, which can reduce occupied space in the battery cell to improve energy density of the battery cell.

Abstract: A battery cell, a battery, and an electric device are provided. The battery cell includes a main body portion, a first tab, a first insulating adhesive, and a second insulating adhesive. The first tab is formed at an axial end of the main body portion. The first insulating adhesive is adhered to an outer periphery of the main body portion. The second insulating adhesive is adhered to the first tab. In an axial direction of the main body portion, a gap is provided between the first insulating adhesive and the second insulating adhesive. The battery includes the battery cell. The electric device includes the battery cell or the battery.

Abstract: A battery cell and a manufacture method for the same, a battery, and an electrical apparatus. The battery cell includes: a shell having a first opening; a first end cover closing the first opening and being insulated from the shell; and an electrode assembly arranged in the shell and including an electrode body, a first tab and a second tab, the first tab and the second tab being led out of the electrode body and having opposite polarities, the first tab being electrically connected to the first end cover, and the second tab being electrically connected to the shell; where the first end cover serves as a first output pole, and the shell serves as a second output pole.

Abstract: This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, a housing, and a current collecting member. The electrode assembly includes a first tab; the housing is configured to accommodate the electrode assembly; and the current collecting member is accommodated in the housing, the current collecting member is electrically connected to the first tab, and the current collecting member is connected to the housing by welding.

Abstract: An image processing method may be applied to a movable platform, and the movable platform may comprise a first vision sensor and a second vision sensor. The method may include obtaining a first localized image of the first vision sensor within an overlapping visual range, obtaining a second localized image of the second vision sensor within the overlapping visual range; acquiring an image captured by the first vision sensor at a first moment and an image captured at a second moment, the first vision sensor being positioned in space at the first moment differently than at the second moment; and determining a relative positional relationship between an object in the space where the movable platform is located and the movable platform based on the first localized image, the second localized image, the image captured at the first moment and the image captured at the second moment.

Abstract: Provided are a tab coating device. The tab coating device is configured to cover the insulating film on the end face of the tab of the tab coating device. It comprises a sleeve and a shaping piece. The sleeve is configured to be arranged on the outer peripheral surface of the electrode assembly in a sleeving mode. The shaping piece is configured to move along the axial direction of the sleeve and extend into the sleeve, to flatten the part of the insulating film that exceeds the end face of the tab onto the end face of the tab.

Abstract: A method of controlling a movable platform includes obtaining depth information of a scene in a first direction based on a first image captured by a first sensor of the movable platform and a third image by a third sensor of the movable platform, respectively; obtaining depth information of a scene in a second direction based on a second image captured by a second sensor of the movable platform and the third image by the third sensor of the movable platform, respectively; and controlling movement of the movable platform in space based on the depth information of the scene in the first direction and the second direction. The first sensor, the second sensor and the third sensor are mounted on the movable platform at substantially a same level. The third sensor has a first and a second overlapping field of view with the first sensor and the second sensor, respectively.

Abstract: A battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device are disclosed. The battery cell includes: a shell including an electrode draw-out portion; and an electrode assembly accommodated in the shell. The end of the electrode assembly facing toward the electrode draw-out portion is provided with a first tab, the first tab is wound around a winding axis of the electrode assembly and includes a plurality of turns of tab layers, and at least some of the plurality of turns of tab layers are welded to form a first welded portion. Some of the plurality of turns of tab layers are welded to the electrode draw-out portion to form a second welded portion; and among the tab layers connected to the first welded portion, at least one turn of tab layer is not welded to the electrode draw-out portion.

Abstract: Embodiments of the present disclosure provide an image processing method applied in an unmanned aerial vehicle (UAV), the UAV including an imaging device in two or more directions. The method includes obtaining an image to be processed in each of the two or more directions; determining a first direction in the two or more directions and obtaining a first direction reference value based on the image to be processed in each of the two or more directions, the first direction reference value being used to determine whether to update key reference frames corresponding to the two or more directions respectively; and updating the key reference frames corresponding to the two or more directions respectively if the first direction reference value meets a preset condition.

Abstract: Systems, methods, and devices are provided for controlling a movable object using multiple sensors. In one aspect, a method for calibrating one or more extrinsic parameters of a movable object having a plurality of sensors in an initial configuration is provided. The method can comprise: detecting that the initial configuration of the plurality of sensors has been modified; receiving inertial data from at least one inertial sensor during operation of the movable object; receiving image data from at least two image sensors during the operation of the movable object; and estimating the one or more extrinsic parameters based on the inertial data and the image data in response to detecting that the initial configuration has been modified, wherein the one or more extrinsic parameters comprise spatial relationships between the plurality of sensors in the modified configuration.

Abstract: A method includes obtaining previous state information of a movable object, receiving inertial data from at least one inertial sensor carried by the movable object, receiving image data from at least two image sensors carried by the movable object, and estimating updated state information of the movable object based on at least one of the previous state information, the inertial data, or the image data.

Abstract: Systems, methods, and devices are provided for controlling a movable object using multiple sensors. In one aspect, a method for calibrating one or more extrinsic parameters of a movable object having a plurality of sensors in an initial configuration is provided. The method can comprise: detecting that the initial configuration of the plurality of sensors has been modified; receiving inertial data from at least one inertial sensor during operation of the movable object; receiving image data from at least two image sensors during the operation of the movable object; and estimating the one or more extrinsic parameters based on the inertial data and the image data in response to detecting that the initial configuration has been modified, wherein the one or more extrinsic parameters comprise spatial relationships between the plurality of sensors in the modified configuration.

Abstract: Systems, methods, and devices are provided for controlling a movable object using multiple sensors. In one aspect, a method for calibrating one or more extrinsic parameters of a movable object having a plurality of sensors in an initial configuration is provided. The method can comprise: detecting that the initial configuration of the plurality of sensors has been modified; receiving inertial data from at least one inertial sensor during operation of the movable object; receiving image data from at least two image sensors during the operation of the movable object; and estimating the one or more extrinsic parameters based on the inertial data and the image data in response to detecting that the initial configuration has been modified, wherein the one or more extrinsic parameters comprise spatial relationships between the plurality of sensors in the modified configuration.