Google just rolled out another awesome feature called ‘Search By Images’. Search by images is a reverse-search feature to discover all sorts of content that’s related to a specific image. Traditionally one would enter a text query and expect an image result. With this feature you can use an image ‘AS’ your query and Google will tell you what the image is or even find similar results in case there is no perfect match.
We decided to play with it and figure out on how it works.But first, some essentials.
Google allows you to search by image in 4 ways.
Drag and drop : Drag and drop an image from the web or your computer into the search box on images.google.com.
Upload an image : On images.google.com, click the camera icon, then select “Upload an image” Select the image you want to use to start your search.
Copy and paste the URL for an image : Found an image on the web you’re curious about? Right-click the image to copy the URL. On images.google.com, click the camera icon, and “Paste image URL”.
Right-click an image on the web : To search by image even faster, download the Chrome extension or the Firefox extension. With the extension installed, simply right-click an image on the web to search Google with that image.
Google has billions of images in its database.So if we were to take an image from another site and upload it in search by images, Google would probably get an exact match by a direct comparison of the uploaded image with the images in its database.And since its google, its SOMEHOW done in a split second.So we thought, we’ll try uploading a self created image and check out the result.We were also wondering how it would handle text inside images.
The above image was uploaded and here were the results
Though Google didnot actually guess the text inside the image [ that rules out OCR ], it did find another image with ABSTRACT in it [4th result].Our guess is it relies a lot on colors and number of pixels matching.Have a look at the similar results
They are all images with white background and black bold text.
We had another run. This time with a small pic of nature
Google was spot-on in guessing the query.Have a look at the visually similar images.They are all images with a major green shade, with part blue shade.Seems like we were right about colour comparisons
We wanted to take a hit at facial recognition as well.However as mentioned before, any pic taken off the internet increases chances of Google guessing it right! So if any of you have a pic of a celebrity taken by yourself, kindly send it to us so we can see how effective the recognition feature in search is.Until then, I’m signing off.
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