Fast raster-vector conversion method of remote sensing images
A remote sensing image and raster technology, applied in the field of raster to vector, can solve the problems of slow conversion speed, inability to fully utilize multi-core processors or cluster performance, etc., achieve the effect of increasing conversion speed, reducing calculation amount, and accelerating conversion speed
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[0018] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0019] Such as figure 1 A fast raster-to-vector method for remote sensing images is shown, that is, by starting multiple nodes to process the image to be converted, the master node is responsible for splitting the image, creating processing tasks, starting slave nodes and sending tasks to The slave node performs processing, and the slave node returns the processed result to the master node for consolidation.
[0020] The overall steps are as follows:
[0021] Step 1. Start the master node, split the image to be processed, and divide the image into small pieces of 1024×1024 pixels, and only need to record the split information, without the need for real splitting;
[0022] Step 2: Create processing tasks with the split image information, and each task corresponds to a piece of image data;
[0023] Step 3: The master node starts the child nodes and sends task...
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