Methods and apparatuses for processing image, methods and apparatuses for training image recognition network and methods and apparatuses for recognizing image

A device comprising:

• a memory, and
• a processor,
• wherein the memory is configured to store computer instructions executable on the processor, and the processor is configured to execute the computer instructions to implement:
• obtaining a plurality of original images from an original image set, wherein at least one of the plurality of original images comprises an annotation area;
• obtaining at least one first image by splicing the plurality of original images;
• for each of the at least one first image,
• adjusting a shape and/or size of the first image based on the plurality of original images to form a second image;
• obtaining respective positions of the at least one annotation area in the second image by converting respective positions of the at least one annotation area in the plurality of original images;
• wherein adjusting the shape and/or size of the first image based on the plurality of original images to form the second image comprises:
• determining a scaling ratio of an annotation area in the plurality of original images and an annotation area in the second image according to a parameter of an image acquisition device corresponding to the plurality of original images and a parameter of an image acquisition device corresponding to the second image;
• scaling the first image based on the scaling ratio to form a scaled first image;
• and
• adjusting a shape and/or size of the scaled first image to be consistent with those of the plurality of original images to form the second image;
• wherein obtaining respective positions of the at least one annotation area in the second image by converting respective positions of the at least one annotation area in the plurality of original images comprises:
• for each of the at least one annotation area,
• obtaining coordinates of the annotation area in the first image by converting coordinates of the annotation area in the plurality of original images;
• obtaining coordinates of the annotation area in the scaled first image by converting the coordinates of the annotation area in the first image;
• and
• obtaining coordinates of the annotation area in the second image by converting the coordinates of the annotation area in the scaled first image;
• wherein obtaining the coordinates of the annotation area in the first image by converting the coordinates of the annotation area in the plurality of original images comprises:
• in response to spaces corresponding to the plurality of original images being unoverlapped, obtaining coordinates of the annotation area in a first coordinate system of the first image by converting the coordinates of the annotation area in the plurality of original images, wherein, the first coordinate system takes a center of the first image as an origin;
• in response to spaces corresponding to two or more of the plurality of original images being overlapped, obtaining coordinates of the annotation area in a second coordinate system of the first image by converting the coordinates of the annotation area in the plurality of original images, wherein, the second coordinate system takes a center of duplicate area as an origin.

A non-transitory computer readable storage medium having a computer program stored thereon, wherein when the program is executed by a processor to implement:

• obtaining a plurality of original images from an original image set, wherein at least one of the plurality of original images comprises an annotation area;
• obtaining at least one first image by splicing the plurality of original images;
• for each of the at least one first image,
• adjusting a shape and/or size of the first image based on the plurality of original images to form a second image;
• obtaining respective positions of the at least one annotation area in the second image by converting respective positions of the at least one annotation area in the plurality of original images;
• wherein adjusting the shape and/or size of the first image based on the plurality of original images to form the second image comprises:
• determining a scaling ratio of an annotation area in the plurality of original images and an annotation area in the second image according to a parameter of an image acquisition device corresponding to the plurality of original images and a parameter of an image acquisition device corresponding to the second image;
• scaling the first image based on the scaling ratio to form a scaled first image;
• and
• adjusting a shape and/or size of the scaled first image to be consistent with those of the plurality of original images to form the second image;
• wherein obtaining respective positions of the at least one annotation area in the second image by converting respective positions of the at least one annotation area in the plurality of original images comprises:
• for each of the at least one annotation area,
• obtaining coordinates of the annotation area in the first image by converting coordinates of the annotation area in the plurality of original images;
• obtaining coordinates of the annotation area in the scaled first image by converting the coordinates of the annotation area in the first image;
• and
• obtaining coordinates of the annotation area in the second image by converting the coordinates of the annotation area in the scaled first image;
• wherein obtaining the coordinates of the annotation area in the first image by converting the coordinates of the annotation area in the plurality of original images comprises:
• in response to spaces corresponding to the plurality of original images being unoverlapped, obtaining coordinates of the annotation area in a first coordinate system of the first image by converting the coordinates of the annotation area in the plurality of original images, wherein, the first coordinate system takes a center of the first image as an origin;
• in response to spaces corresponding to two or more of the plurality of original images being overlapped, obtaining coordinates of the annotation area in a second coordinate system of the first image by converting the coordinates of the annotation area in the plurality of original images, wherein, the second coordinate system takes a center of duplicate area as an origin.