Google has confirmed with Search Engine Land that it is currently running an experiment to index images found within PDF documents and display those images within Google Image Search.
Search Inside Pdf
Use PDF Complete Software to search for text within a PDF file. Please note: not all PDF files contain searchable text. If the text in the PDF was originally saved as an image, it will not be searchable. Open a PDF document you would like to search. Click the icon in the left navigation bar.OR- In the main menu bar, go to Edit, and select. While many folks have discovered the Search functionality in Acrobat, Acrobat 9 and below do not offer the ability to save searches or report the results. Oddly, the only tool in Acrobat that allows you to search for terms and mark them in a PDF is part of the Search and Redact feature. This will add a mark to the page around the search term. Search text in your PDF Once you use the Recognize Text tool to convert your scanned image into a usable PDF file, you can select and search through the text in that file, making it easy to find, modify. Open a PDF document you would like to search. Click the icon in the left navigation bar.OR- In the main menu bar, go to Edit, and select Find -OR- Right-click on the document pane, and select Find from the right-click menu.
This feature was first noticed by Alex Chitu, who said he wasn't sure if Google had the ability to find and display images within PDFs in their Google Image Search results. He was right, it was new.
Google told us they started testing this feature in June. How do i share files between iphone and android.
Here are some screen shots of image results within PDFs in Google Image Search.
As Alex says, you can find more examples of this by searching [google pdf site:static.googleusercontent.com].