小编Sha*_*aul的帖子

python中的图像尺寸错误

试图匹配两个图像以找出它们之间的分数。但它显示了一些尺寸错误。无法解决问题。我的代码如下:

from skimage.measure import compare_ssim
#import argparse
#import imutils
import cv2

img1="1.png"
img2="2.png"


# load the two input images
imageA = cv2.imread(img1)
imageB = cv2.imread(img2)

# convert the images to grayscale
grayA = cv2.cvtColor(imageA, cv2.COLOR_BGR2GRAY)
grayB = cv2.cvtColor(imageB, cv2.COLOR_BGR2GRAY)


# compute the Structural Similarity Index (SSIM) between the two
# images, ensuring that the difference image is returned
(score, diff) = compare_ssim(grayA, grayB, full=True)
diff = (diff * 255).astype("uint8")
print("SSIM: {}".format(score))
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这给 n 一个错误:

raise ValueError('Input images must have the …
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python image-processing python-imaging-library python-3.x python-imageio

5
推荐指数
2
解决办法
9064
查看次数

从VBA中的范围中删除特殊字符

我创建了一个 VBA 代码来删除列中可用的所有特殊字符。举个例子,我在一列的每个单元格中都有一个字母数字字符,其中包含一些特殊字符: 假设在一个单元格中我有一个值: abc@123!-245 执行我的代码后,我得到输出 abc 123 245 这里我的代码工作正常删除所有特殊字符。我的代码如下:

Sub ReplaceSpecial()
    Dim cel As Range
    Dim strVal As String
    Dim i As Long
    Application.ScreenUpdating = False
    For Each cel In Selection
        strVal = cel.Value
        For i = 1 To Len(strVal)
            Select Case Asc(Mid(strVal, i, 1))
                Case 32, 48 To 57, 65 To 90, 97 To 122
                    ' Leave ordinary characters alone
                Case Else
                    Mid(strVal, i, 1) = " "
            End Select
        Next i
        cel.Value = strVal
    Next cel
    Application.ScreenUpdating …
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regex excel vba vba7 vba6

2
推荐指数
1
解决办法
2748
查看次数