Baidu Online Network Technology (Beijing) Co., Ltd.

Apollo Intelligent Driving Technology (Beijing) Co., Ltd.

Jiming Mao

Fan Yang

Bo Li

Ming Zhao

Jie Zhou

Ning Yu

Hao Li

Fangfang Dong

Chen Yang

Qiang Guo

Qingrui Sun

Dun Luo

Junfei Zhang

Sunjie Zhou

Hang Wu

Liancheng Zhang

Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N<M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.

Method and apparatus for generating simulation scene

A method for simulating an obstacle in an unmanned simulation scene includes: for obstacle information in a three-dimensional scene map, determining Gaussian distribution information of obstacle position detected by using a perception algorithm to be tested based on actual perception performance of the perception algorithm; adjusting each position of the simulated obstacle in the initial motion trajectory sequence, such that a position deviation between each adjusted position point in the target motion trajectory sequence and the corresponding position point in the initial motion trajectory sequence follows a Gaussian distribution; and adding the target motion trajectory sequence of the simulated obstacle to the three-dimensional scene map.

Method for simulating obstacle in unmanned simulation scene

Embodiments of a method, apparatus, device and computer readable storage medium for classifying driving scenario data includes: acquiring a first driving scenario data set from a crowdsourcing platform, driving scenario data in the first driving scenario data set having been classified; generating a driving scenario classification model at least based on the first driving scenario data set, for classifying driving scenario data collected by a collection entity; acquiring a rule for classifying the driving scenario data, the rule is generated based on a result of classifying the driving scenario data collected by the collection entity using the driving scenario classification model; updating the driving scenario classification model at least based on the rule.

Method, apparatus, device and medium for classifying driving scenario data

Provided are a method and an apparatus for acquiring a control amount for a performance test of an unmanned vehicle, including: acquiring coordinates of y key points on a trajectory of a simulated obstacle vehicle and speeds at the y key points, where y&#x2265;2; acquiring trajectory equations of the obstacle vehicle between every two adjacent key points according to the coordinates of the y key points, where the trajectory equation is an ndegree polynomial equation, n&#x2265;2; acquiring accelerations of the obstacle vehicle between every two adjacent key points according to speeds at the y key points and a trajectory curve corresponding to the trajectory equation; for each running duration, according to the accelerations, acquiring a dynamic attribute and a coordinate when the obstacle vehicle has run for the running duration according to trajectories corresponding to the trajectory equations.

Method and apparatus for acquiring control amount for performance test of unmanned vehicle

Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N&#x3c;M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.

Growing community of inventors

Beijing, China

Jiming Mao