public void setEnableImagePreprocessing(boolean enableImagePreprocessing) {
        this.enableImagePreprocessing = enableImagePreprocessing;
        userConfigured.add("enableImagePreprocessing");
    }
Set the value to true if processing is to be enabled.
Default value is false.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-ocr-module/src/main/java/org/apache/tika/parser/ocr/TesseractOCRConfig.java