2 results about "Base function" patented technology

The application discloses a morphing text detection method and device and a storage medium. The method comprises the following steps: extracting image features of a to-be-processed image, the to-be-processed image being an image collected from a specified text carrier, and the specified text carrier being easy to deform under stress; inputting the image features into a control point detection network to obtain an edge control point sequence; inputting the edge control point sequence into a differentiable B-spline layer to perform matrix multiplication calculation on a base function matrix and the edge control point sequence, thereby obtaining a B-spline curve point sequence, and the base function matrix being a two-dimensional matrix composed of B-spline base function values; and generating a text detection frame based on the B-spline curve point sequence. The operation of the differentiable B-spline layer is differentiable in a deep learning framework, and the gradient can be back propagated to the parameters of the control point detection network through the differentiable B-spline layer, thereby realizing integrated end-to-end optimization of text detection and curve fitting and significantly improving the performance of the model in a complex morphing text detection task.

The application discloses a generation method of a model training tool, a model training method and device, and belongs to the technical field of computers. The method comprises the following steps: acquiring a first function from a first function library, and acquiring a second function with the same function as the first function from a second function library, wherein the first function is a function running on a CPU, and the second function is a function running on a GPU; acquiring first parameter information of the first function and second parameter information of the second function; generating a parameter set according to the first parameter information and the second parameter information; adjusting the first function and / or the second function according to the parameter set; generating a base function according to the adjusted first function and the adjusted second function; and obtaining a base function library tool according to the base function.