4 results about "Visual resolution" patented technology

This application provides a vehicle control method and an autonomous vehicle, which can be applied to technologies such as autonomous driving, autonomous driving, intelligent assisted driving, and artificial intelligence. The vehicle control method includes determining a first motion state of the target vehicle at the current moment based on the position difference between the target vehicle at the current moment and a first historical moment, wherein the target vehicle includes vehicles whose position change within a preset time period is less than the range of human visual resolution; adjusting the motion parameters of the target vehicle at the current moment based on the difference between the first motion state and a second motion state predicted using the vehicle parameters at the current moment, wherein the vehicle parameters include at least motion parameters; and controlling the vehicle based on the adjusted motion parameters of the target vehicle.

The invention belongs to the technical field of nano materials, and particularly relates to a method for detecting mercury ions by using mercury ion (Hg < 2 + >) triggered tellurium-based nano material oxidase and a kit thereof. According to the method, an amphiphilic substance with multiple functional groups and / or a hydrophobic structural domain is used as a functional soft template, and the Hg < 2 + > trigger type nano tellurium oxidase with high stability and catalytic activity is prepared; based on a Hg < 2 + > triggering-catalytic activation mechanism, the nano enzyme can realize integration of double functions of recognition and signal amplification, a color development reaction is triggered by utilizing specific binding of Hg < 2 + > and Te, a high-sensitivity signal opening detection mode is formed, and compared with a traditional signal inhibition type method, the nano enzyme has a more remarkable visual distinguishing effect, and the detection sensitivity is high. Quantitative and qualitative analysis of Hg < 2 + > by naked eyes or instruments can be realized through intuitive color deepening change, and the fluorescent probe can be integrated in a portable kit and is suitable for on-site rapid detection of Hg < 2 + > in various water environments.

The invention discloses a vehicle HUD system and method based on a flexible OLED screen, and relates to the field of flexible OLED screens, and the system comprises an obtaining module which is used for constructing a glass curved surface continuous mathematical model through B-spline curved surface fitting based on a glass surface scanning point cloud, synchronously obtaining the curvature and control point parameters, and obtaining a glass curved surface continuous mathematical model through B-spline curved surface fitting; the curvature parameter is used for identifying a glass curved surface curvature violent change area and adaptively inserting an additional control point; and the dividing module is used for defining a virtual ideal display plane based on human vision characteristics and dividing differential region grids according to a human vision resolution standard. According to the method, the display content is naturally attached to the visual field by precisely fitting the glass curved surface, matching the human visual characteristics and dividing the grids and combining light propagation path optimization and dynamic deviation compensation, meanwhile, flicker artifacts are avoided through color fusion and smoothing processing, the posture change of a driver is matched in real time, visual fatigue is effectively reduced, and the visual effect of the driver is improved. And the accuracy and safety of information acquisition in the driving process are greatly improved.

The invention discloses an LED panoramic inner spherical surface display screen based on an arc division angle and a design method of the LED panoramic inner spherical surface display screen, and belongs to the technical field of LED display. According to the method, a constant target arc division angle value is set, the theoretical lamp bead number of each latitude circle is calculated by combining the sphere radius and the latitude value, the partition lamp bead number is determined according to the fixed longitude partition number, and the final lamp bead number of each latitude partition is dynamically adjusted by verifying the deviation between the actual arc division angle and the target value. Meanwhile, the line height and the total line number in the longitude direction are determined according to the target arc division angle, and ventilation and heat dissipation holes are additionally formed in the lamp panel design. The manufactured display screen comprises a spherical supporting structure and a plurality of LED lamp panels, the included angle between any adjacent lamp beads and the connecting line of the sphere center is close to a constant target arc division angle value, the problem of uneven pixel density caused by a traditional fixed point spacing method is solved, the consistent visual resolution of the whole area is achieved, the visual immersion and the display uniformity are remarkably improved, and the display effect is good. Meanwhile, the system has the advantages of high design universality, excellent heat dissipation performance, high system reliability and the like.