Image模块中的方法resize()和thumbnail()用到了滤波器。 方法resize()的定义为:resize(size, filter=None)=> image from PIL import Imageim = Image.open("ccb.png")print(im.size)im_resize = im.resize((640,480))print(im_resize.size)输出:(800, 600)(640, 480) 对参数filter不赋值的话,方法resi...
rectangle def plot_image(image, title=''): pylab.title(title, size=20), pylab.imshow(image) pylab.axis('off') # comment this line if you want axis ticks im = rgb2gray(imread('../images/clock2.jpg')) im[im <= 0.5] = 0 # ...
im=Image.open('test.jpg')#获得图像尺寸 w,h=im.sizeprint('Original image size: %sx%s'%(w,h))#缩放50%im.thumbnail((w//2, h//2))print('Resize image to: %sx%s'%(w//2, h//2))#把缩放后的图像用jpeg格式保存 im.save('thumbnail.jpg','jpeg')结果: Original image size:1000x1000...
5 Image.eval(f,i) -- applying a function f to each pixel of image i 6 Image.merge(mode,bandList) --Creates a multi-band image from a sequence of single-band images of equal size 以下是Image对象的全部方法: Top The ImageDraw Module 支持2D图像The ImageDraw module provide basic 2D graph...
y1, x0:x1]ifbbox[] >20andbbox[2] +20>width:cropped = img[int(bbox[1]):int(bbox[3]), int(bbox[] -20):int(bbox[2])] # 裁剪坐标为[y0:y1, x0:x1]path = 'cut1/'# 重定义图片的大小res = cv2.resize(cropped, (1000, 100), interpolation=cv2.INTER_CUBIC) # dsize=...
>>> Im2 = Im2.resize(Im.size) >>> Im2.show() >>> >>> img = Image.blend(Im,Im2,0.2) >>> img.show() 操作完毕后save(filename)用以保存这个临时的image对象img到硬盘。 4 Image.composite(i1,i2,mask) --equal-sized images i1 ,i2 and mask("1", "L", or "RGBA") (p1 x...
Resize work image:对图像进行缩放 Flip work image horizontally/vertically:对图像进行水平/竖直翻转 Edge detection on work image:对图像进行边缘检测 Sharpen work image:图像锐化 Binary work image and trigger:对图像进行二值化处理 3×3 / 5×5 filter on work image:使用3×3或5×5的模板对图像进行滤波...
MainWindow.resize(765, 645) MainWindow.setMinimumSize(QtCore.QSize(765, 645)) MainWindow.setMaximumSize(QtCore.QSize(16777215, 16777215)) icon = QtGui.QIcon() icon.addPixmap(QtGui.QPixmap(":/newPrefix/pic/pai.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off) ...
(u"MainWindow") MainWindow.resize(792, 457) icon = QIcon() icon.addFile(u":/image/images/uart_icon.ico", QSize(), QIcon.Normal, QIcon.Off) MainWindow.setWindowIcon(icon) self.centralwidget = QWidget(MainWindow) self.centralwidget.setObjectName(u"centralwidget") self.gridLayout_2 = Q...
symbol_size:Union[Numeric,Sequence,None]=None,# 关系边的线条样式，参考 `series_options.LineStyle...