OCR C++ Tesseract按单词识别字符

这个程序演示Tesseract OCR按单词识别字符。不仅显示识别结果还找出每个单词的bounding box(边界框/包围盒)。输入图片程序运行后会在CMD里打印识别结果结果太长我只截了一部分。第一行的意思是单词“this的置信度是94.57对应的矩形边界框的左上角坐标是(36,92),右下角坐标是(96,116).把前两个单词对应的矩形框绘制到输入图片里大概就是这样代码#include tesseract/baseapi.h #include leptonica/allheaders.h int main() { char *outText; tesseract::TessBaseAPI *api new tesseract::TessBaseAPI(); // Initialize tesseract-ocr with English, without specifying tessdata path if (api-Init(NULL, eng)) { fprintf(stderr, Could not initialize tesseract.\n); exit(1); } Pix *image pixRead(phototest.tif); api-SetImage(image); api-Recognize(0); tesseract::ResultIterator* ri api-GetIterator(); tesseract::PageIteratorLevel level tesseract::RIL_WORD; if (ri ! 0) { do { const char* word ri-GetUTF8Text(level); float conf ri-Confidence(level); int x1, y1, x2, y2; ri-BoundingBox(level, x1, y1, x2, y2); printf(word: %s; \tconf: %.2f; BoundingBox: %d,%d,%d,%d;\n, word, conf, x1, y1, x2, y2); delete[] word; } while (ri-Next(level)); } // Destroy used object and release memory api-End(); delete api; delete [] outText; pixDestroy(image); return 0; }