Abstract:
A method and a device for obtaining a high dynamic range image are provided. The method includes: obtaining a pixel value of each pixel in two images of a same scene; determining a brightness value of each pixel in the two images; determining an objective brightness value of each pixel in a combined image combining the two images; determining a color value of each pixel in the two images; determining a color value of each pixel in the combined image; correcting the color value of each pixel in the combined image so as to obtain a corrected color value of each pixel in the combined image; determining a pixel value of each pixel in the combined image; and obtaining a high dynamic range image.
Abstract:
A method and a device for enhancing an edge of an image are provided. The method includes : obtaining a first gradient value of a pixel; determining whether the pixel is at a rough edge according to the first gradient value; if yes, obtaining a first edge enhancement value of the pixel and obtaining a first edge enhancement result of the pixel according to the first edge enhancement value; if no, obtaining a second gradient value of the pixel; determining whether the pixel is at a tiny edge according to the second gradient value; if yes, obtaining a second edge enhancement value of the pixel and obtaining a second edge enhancement result of the pixel according to the second edge enhancement value; if no, obtaining the pixel value of the pixel as the edge enhancement result of the pixel; and repeating above steps until each pixel of the image is processed.
Abstract:
An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).
Abstract:
An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11) connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5); a load capacitor (C12); and a first current storage element (L11) connected with the load capacitor (C12) and the heating circuit (11) respectively for reducing an interference between the heating circuit (11) and the load capacitor (C12).
Abstract:
An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).
Abstract:
An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).
Abstract:
An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11) connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5); a load capacitor (C12); and a first current storage element (L11) connected with the load capacitor (C12) and the heating circuit (11) respectively for reducing an interference between the heating circuit (11) and the load capacitor (C12).
Abstract:
The present invention discloses a battery heating circuit, wherein, the battery comprises a battery E1 and a battery E2, the heating circuit comprises: a first charging/discharging circuit, which is connected with the battery E1, and comprises a damping element R1, a current storage element L1, a first switch unit (1) and a charge storage element C, all of which are connected in series to each other; and a second charging/discharging circuit, which is connected to the battery E2, and comprises a damping element R2, a current storage element L2, a second switch unit (2) and the charge storage element C, all of which are connected in series with each other. The battery heating unit provided in the present invention is applicable to multiple batteries, and can be used to heat up multiple batteries together or separately, and achieve electric quantity balance among the batteries.
Abstract:
A battery heating circuit is provided, wherein the battery comprises a first battery (E1) and a second battery (E2), and the heating circuit comprises a first switch unit (10), a second switch unit (20), a damping element R1, a damping element R2, a current storage element L3, a current storage element L4, a switching control module (100) and an energy storage element V1. The first battery (E1), the damping element R1, the current storage element L3, the energy storage element V1 and the first switch unit (10) are connected in series to constitute a first charging/discharging circuit. The second battery (E2), the damping element R2, the current storage element L4, the energy storage element V1 and the second switch unit (20) are connected in series to constitute a second charging/discharging circuit. When the energy storage element VI is charged or discharges, the direction of charging/discharging current in the second charging/discharging circuit is reverse to the direction of charging/discharging current in the first charging/discharging circuit. The switching control module (100) is electrically connected with the first switch unit (10) and the second switch unit (20) to switch on in alternate, so as to control the electric energy to flow among the first battery (E1), the energy storage element V1 and the second battery (E2). The battery heating circuit can achieve high heating efficiency.