Method and device for measuring number of seedlings in shortage in corn seedling stage
A method of measurement, technology of corn seedlings, applied in the field of crop information
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Embodiment 1
[0055] like figure 1 Shown, the embodiment of the present invention provides a kind of measuring method of the seedling number of corn seedling stage, and this method comprises the following steps:
[0056] S1. Obtain the image of the corn seedling plant, and obtain the image sequence I (I 1 , I 2 ,... I n ), n is a positive integer;
[0057] S2, the image sequence I (I 1 , I 2 ,... I n ) in the repeated areas of two adjacent images are spliced to obtain a rowwise image IW of corn seedling stage;
[0058] S3. Segment and identify the corn seedling-stage image IW, obtain the position of the corn seedling stalk, and calculate the straight line of the corn seedling stalk;
[0059] S4. Identify the position of missing seedlings according to the straight line of the stalks of the corn seedlings, and calculate the number of missing seedlings.
[0060] The present invention obtains the image of the corn seedling stage plant, splices the repeated regions of two adjacent imag...
Embodiment 2
[0099] like figure 2 Shown, the present invention also provides a kind of measuring device of the seedling number of corn seedling stage, it is characterized in that, comprises following module:
[0100] Obtain the corn seedling stage plant image module, obtain the corn seedling stage plant image, and obtain the image sequence I (I 1 , I 2 ,... I n ), n is a positive integer;
[0101] Calculate the row direction image module of corn seedling stage, the image sequence I (I 1 , I 2 ,... I n ) in the repeated areas of two adjacent images are spliced to obtain a rowwise image IW of corn seedling stage;
[0102] The module for calculating the straight line of the corn seedling stalk, segmenting and identifying the corn seedling image IW, obtaining the position of the corn seedling stalk, and calculating the straight line of the corn seedling stalk;
[0103] The module for calculating the number of missing seedlings identifies the position of missing seedlings according to...
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