Image perspective conversion method by converting coordinates of polygonal sub-regions and system thereof
AssigneeWeltrend Semiconductor Inc.
InventorsHsuan-Ying Chen, Hung-Chih Chiang, Shui-Chin Yeh, Chi-Cheng Cheng
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Abstract
An image perspective conversion method includes acquiring a first image, partitioning a predetermined region on the first image into a plurality of polygonal sub-regions, acquiring a plurality of first coordinates corresponding to the plurality of polygonal sub-regions, converting the plurality of first coordinates into a plurality of second coordinates according to a world coordinate system, and interpolating a plurality of pixels among the plurality of second coordinates for generating a second image.
Claims10
An image perspective conversion method comprising:
- acquiring a first image by a camera;
- the camera generating a data signal of the first image to a processor;
- the processor partitioning a predetermined region on the first image into a plurality of polygonal sub-regions;
- the processor detecting vertices of the plurality of polygonal sub-regions for acquiring a plurality of first coordinates corresponding to the plurality of polygonal sub-regions;
- the processor performing a one-to-one coordinate mapping process for converting the plurality of first coordinates into a plurality of second coordinates according to a world coordinate system;
- and
- the processor interpolating a plurality of pixels among the plurality of second coordinates for generating a second image;
- wherein the first image and the second image are two images with different angles of view.
An image perspective conversion system comprising:
- a camera configured to capture a first image;
- a memory configured to save data of a world coordinate system;
- a processor coupled to the camera and the memory and configured to process the first image;
- and
- an image output device coupled to the processor and configured to output a second image;
- wherein the camera generates a data signal of the first image to the processor, the processor partitions a predetermined region on the first image into a plurality of polygonal sub-regions, the processor detects vertices of the plurality of polygonal sub-regions for acquiring a plurality of first coordinates of the plurality of polygonal sub-regions, the processor performs a one-to-one coordinate mapping process for converting the plurality of first coordinates into a plurality of second coordinates according to the world coordinate system, and the processor interpolates a plurality of pixels among the plurality of second coordinates for generating the second image, and the first image and the second image are two images with different angles of view.
Dependencies are inferred from the claim text.