9 Treat the image as a single word in a circle. 10 Treat the image as a single character. 11 Sparse text. Find as much text as possible in no particular order. 12 Sparse text with OSD. 13 Raw line. Treat the image as a single text line, bypassing hacks that are Tesseract-specific....
inthiscase,7whichimpliesthatweare #treatingtheROIasasinglelineoftext config=("-leng--oem1--psm7") text=pytesseract.image_to_string(roi,config=config) #addtheboundingboxcoordinatesandOCR'dtexttothelist #ofresults results
cnts = cv2.findContours(edged.copy(), cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE)[0]#在cv2.findContour()里只返回两个值: contours, hierachy,而我们要的是contours,所以后面应该是0而不是1。 cnts = sorted(cnts, key = cv2.contourArea, reverse = True)[:5] #通过对轮廓面积排序,只要前5个最大的...
copy, convert to gray scale, blur, and thresholdnewImage=cvImage.copy()gray=cv2.cvtColor(newImage, cv2.COLOR_BGR2GRAY)blur=cv2.GaussianBlur(gray, (9, 9), 0)thresh=cv2.threshold(blur, 0, 255, cv2.THRESH_BINARY_INV +cv2.THRESH_OTSU)[1]#Apply d...
1#include<io_github_froger_jni_MyActivity.h>2#include<stdio.h>3#include<stdlib.h>4#include<opencv2/opencv.hpp>5using namespace cv;6IplImage*change4channelTo3InIplImage(IplImage*src);78extern"C"{9JNIEXPORTjintArrayJNICALLJava_io_github_froger_jni_MyActivity_ImgFun(10JNIEnv*env,jobject...
# close gapsinbetween object edges edged=cv2.Canny(gray,50,100)edged=cv2.dilate(edged,None,iterations=1)edged=cv2.erode(edged,None,iterations=1)# find contoursinthe edge map cnts=cv2.findContours(edged.copy(),cv2.RETR_EXTERNAL,cv2.CHAIN_APPROX_SIMPLE)cnts=imutils.grab_contours(cnts)# sort ...
();//将QString转换为std::string Mat srcImage = imread(imagePath);//从选中的图片的位置读取数据 if(!srcImage.data){//如果数据为空则退出,保险起见 //对话框显示错误信息 QMessageBox::information(this,tr("Waring"),tr("Cannot find data in selected file"),QMessageBox::Ok); return; } ui-...
使用cv2.imread 函数从磁盘加载图片,然后通过 find_marker 函数得到图片中目标物体的坐标和长宽信息,最后根据相似三角形计算出相机的焦距。 现在有了相机的焦距,就可以计算目标物体到相机的距离了。 # loop over the images for imagePath in sorted(paths.list_images("images")): ...
blockoftext.7Treat the imageasa single text line.8Treat the imageasa single word.9Treat the imageasa single wordina circle.10Treat the imageasa single character.11Sparse text.Findasmuch textaspossibleinno particular order.12Sparse textwithOSD.13Raw line.Treat the imageasa single text line,...
原文链接:https://www.pyimagesearch.com/2016/04/04/measuring-distance-between-objects-in-an-image-with-opencv/ 计算物体之间的距离与计算图像中物体的大小算法思路非常相似——都是从参考对象开始的。我们将使用0.25美分作为我们的参考对象,它的宽度为0.955英寸...