Image Filter
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One of NetFree's biggest goals is filtering the pictures. The use of the Internet many times requires images, whether of a product, or an image that contains a verification code, etc. Image filtering is done manually by Gentiles that filter each image according to the parameters of NetFree. The filtering goes according to picture content rather than the link. That is, after an image is checked, an image with the same content is not sent to recheck (from a digital standpoint) even if it is in a different location or even a different site. however, any graphic change, such as resizing, changes the digital content of the picture and makes it considered a different image that is checked by itself.
How does filtering work?
As soon as you open a page, all the pictures on the page are automatically sent to be checked. In a case where you need multiple pages with pictures, it is suggested to scroll through the pages in order that they be sent for checking. The time that it takes for a picture to return from checking is usually a few seconds, though at times it may take up to a couple minutes. On rare occasions there may be issues causing it to take a while. The estimated time that it is currently taking for pictures to be checked can be seen on the Quick help panel or on the NetFree home page, under NetFree in numbers.
There is a precedence of checking the pictures of a user who sent fewer pictures on that day to a user who has already sent many pictures.
If you do not need images on some sites, you can prevent images from being sent for checking by using this extension.
After the images are sent to be checked, the system refreshes the images according to the average test time of the images at that moment, so all images are displayed except for images that are found to be inappropriate.
Also see this video: An introduction to NetFree's image filtering system.