diff --git a/src/lib_ccx/ccx_common_option.c b/src/lib_ccx/ccx_common_option.c
index 1a710c8f..601e8c8b 100644
--- a/src/lib_ccx/ccx_common_option.c
+++ b/src/lib_ccx/ccx_common_option.c
@@ -63,6 +63,7 @@ void init_options (struct ccx_s_options *options)
 	options->dvbcolor = 1; // By default, attempt to detect both text and color
 	options->dvblang = NULL; // By default, autodetect DVB language
 	options->ocrlang = NULL; // By default, autodetect .traineddata file
+	options->ocr_oem = 0; // By default, set Tesseract OEM mode OEM_TESSERACT_ONLY (0)
 	options->ignore_pts_jumps = 1;
 
 	/*HardsubX related stuff*/
diff --git a/src/lib_ccx/ccx_common_option.h b/src/lib_ccx/ccx_common_option.h
index 6cf071ef..a8533902 100644
--- a/src/lib_ccx/ccx_common_option.h
+++ b/src/lib_ccx/ccx_common_option.h
@@ -129,6 +129,7 @@ struct ccx_s_options // Options from user parameters
 	int dvbcolor;                     // 1 if Color to be detected for DVB
 	char *dvblang;                    // The name of the language stream for DVB
 	char *ocrlang;                    // The name of the .traineddata file to be loaded with tesseract
+	int ocr_oem;                      // The Tesseract OEM mode, could be 0 (default), 1 or 2
 
 	/*HardsubX related stuff*/
 	int hardsubx_ocr_mode;
diff --git a/src/lib_ccx/hardsubx.c b/src/lib_ccx/hardsubx.c
index a0563eb9..6f44e09e 100644
--- a/src/lib_ccx/hardsubx.c
+++ b/src/lib_ccx/hardsubx.c
@@ -217,7 +217,7 @@ struct lib_hardsubx_ctx* _init_hardsubx(struct ccx_s_options *options)
 	ctx->tess_handle = TessBaseAPICreate();
 	char* pars_vec = strdup("debug_file");
 	char* pars_values = strdup("/dev/null");
-	int res = TessBaseAPIInit4(ctx->tess_handle, NULL, "eng", OEM_DEFAULT, NULL, 0, &pars_vec,
+	int res = TessBaseAPIInit4(ctx->tess_handle, NULL, "eng", ccx_options.ocr_oem, NULL, 0, &pars_vec,
 		&pars_values, 1, false);
 	free(pars_vec);
 	free(pars_values);
diff --git a/src/lib_ccx/ocr.c b/src/lib_ccx/ocr.c
index 24b5f575..5d38f006 100644
--- a/src/lib_ccx/ocr.c
+++ b/src/lib_ccx/ocr.c
@@ -142,7 +142,7 @@ void* init_ocr(int lang_index)
 	char* pars_vec = strdup("debug_file");
 	char* pars_values = strdup("/dev/null");
 
-	ret = TessBaseAPIInit4(ctx->api, tessdata_path, lang, OEM_DEFAULT, NULL, 0, &pars_vec,
+	ret = TessBaseAPIInit4(ctx->api, tessdata_path, lang, ccx_options.ocr_oem, NULL, 0, &pars_vec,
 		&pars_values, 1, false);
 
 	free(pars_vec);
@@ -275,7 +275,8 @@ char* ocr_bitmap(void* arg, png_color *palette,png_byte *alpha, unsigned char* i
 				char* word = TessResultIteratorGetUTF8Text(ri,level);
 				float conf = TessResultIteratorConfidence(ri,level);
 				int x1, y1, x2, y2;
-				TessPageIteratorBoundingBox((TessPageIterator *)ri,level, &x1, &y1, &x2, &y2);
+				if (!TessPageIteratorBoundingBox((TessPageIterator *)ri, level, &x1, &y1, &x2, &y2))
+					continue;
 				// printf("word: '%s';  \tconf: %.2f; BoundingBox: %d,%d,%d,%d;",word, conf, x1, y1, x2, y2);
 				// printf("word: '%s';", word);
 				// {
diff --git a/src/lib_ccx/params.c b/src/lib_ccx/params.c
index c40c1e4b..fd60f0ab 100644
--- a/src/lib_ccx/params.c
+++ b/src/lib_ccx/params.c
@@ -562,6 +562,10 @@ void print_usage (void)
 	mprint ("                       using the Chinese (Traditional) trained data\n");
 	mprint ("                       This option is also helpful when the traineddata file\n");
 	mprint ("                       has non standard names that don't follow ISO specs\n");
+	mprint ("                 -oem: Select the OEM mode for Tesseract, could be 0, 1 or 2.\n");
+	mprint ("                       0: OEM_TESSERACT_ONLY - default value, the fastest mode.\n");
+	mprint ("                       1: OEM_LSTM_ONLY - use LSTM algorithm for recognition.\n");
+	mprint ("                       2: OEM_TESSERACT_LSTM_COMBINED - both algorithms.\n");
 
 	mprint ("\n");
 	mprint ("Options that affect how ccextractor reads and writes (buffering):\n");
@@ -1356,6 +1360,26 @@ int parse_parameters (struct ccx_s_options *opt, int argc, char *argv[])
 			continue;
 		}
 
+		if (strcmp(argv[i], "-oem") == 0)
+		{
+			if (i < argc - 1)
+			{
+				char *str = (char*)malloc(sizeof(argv[i + 1]));
+				sprintf(str, "%s", argv[i + 1]);
+				opt->ocr_oem = atoi(str);
+				if (opt->ocr_oem < 0 || opt->ocr_oem > 2)
+				{
+					fatal(EXIT_MALFORMED_PARAMETER, "-oem must be 0, 1 or 2\n");
+				}
+			}
+			else
+			{
+				fatal(EXIT_MALFORMED_PARAMETER, "-oem has no argument.");
+			}
+			i++;
+			continue;
+		}
+
 		/* Output file formats */
 		if (strcmp (argv[i],"-srt")==0 ||
 				strcmp (argv[i],"-dvdraw")==0 ||