For the japanese quests we tend to get and have no clue what to do with them, I can recommend This website:
http://www.newocr.com
The more specific you are the better results it gives.
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Select the picture, and add Japanese the the recognition language.
Press Upload.
You will then be given a preview of your image and a region it should focus on. Make sure to fully stretch it if you do it like this.
Press OCR.
Now you'll be given the picture in text you can copy to google. Do manually go to google translate. The link given here doesn't quite work. For me at least.
This isn't always as accurate but it should at least give enough information for you know know where it's pointing you.