Rotary kiln firing state recognition method based on flame image structure similarity
A technology of structural similarity and flame image, applied in image analysis, image data processing, instruments, etc., can solve the problems of unstable clinker quality index, long processing time, low production capacity, etc.
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Embodiment 1
[0050] A method for identifying the firing state of an alumina rotary kiln based on the structural similarity of flame images. The specific steps of the rotary kiln firing state identification method are as follows: figure 1 Shown:
[0051] The first step, the standard flame image Q is calibrated by alumina rotary kiln operation experts, and the size of the standard flame image Q is 512×384×3. The standard flame image Q constitutes the standard flame image library L, and the standard flame image library L is divided into the normal flame image library LN and the abnormal flame image image library LA. The standard flame image Q is composed of the standard flame image Q; the standard flame image Q is filtered and grayscale transformed to obtain the standard flame grayscale image y; all the standard flame grayscale images y form the standard flame grayscale library F, and the standard flame grayscale library F is divided into It is the normal flame gray scale gallery FN and the...
Embodiment 2
[0084] A method for identifying the firing state of an alumina rotary kiln based on the structural similarity of flame images. The specific steps of the rotary kiln firing state identification method are as follows: figure 1 Shown:
[0085] The first step, the filtering described in this step is filtering with a 20-order Butterworth low-pass filter; the size of the standard flame gray image y is 512×384. All the other are the same as the first step of embodiment 1.
[0086] The second step is to obtain a picture such as Figure 4 The color flame image P to be tested is as shown, and the size of the flame image P to be tested is 512×384×3; the flame image P to be tested is filtered with a 20-order Butterworth low-pass filter and gray-scale transformed, and the following is obtained: Figure 5 The grayscale image x of the flame to be tested is 512×384 in size.
[0087] The third step, this step is the same as the third step of Embodiment 1 except that the 40 average structur...
Embodiment 3
[0116] A method for identifying the firing state of a cement rotary kiln based on the structural similarity of flame images. The specific steps of the rotary kiln firing state identification method are as follows: figure 1 Shown:
[0117] The first step, the standard flame image Q is calibrated by cement rotary kiln operation experts, and the size of the standard flame image Q is 352×288×3. The standard flame image Q constitutes the standard flame image library L, and the standard flame image library L is divided into the normal flame image library LN and the abnormal flame image image library LA. The standard flame image Q is composed of the standard flame image Q; the standard flame image Q is filtered and grayscale transformed to obtain the standard flame grayscale image y; all the standard flame grayscale images y form the standard flame grayscale library F, and the standard flame grayscale library F is divided into It is the normal flame gray scale gallery FN and the ab...
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