At first it will be overwhelming, so you might want to start with only a couple of folders and see how it goes. The biggest drawback is that Picasa face recognition needs to be trained. The main advantage of using face detection in Picasa is that, once trained, the face detection algorithm in Picasa works very well. The Pros and Cons of Using Face Detection in Picasa You would use face detection in Picasa for two things: to identify people and save this information in the picture file as metadata. It is obvious that if you take landscape photos you would not need to use face detection on them. This way you can search for pictures containing your cousin Mike for example. In addition, you would want to preserve this identification in the image metadata. You simply want to say who it is in the picture. You have to ask yourself an obvious question first: what are you trying to achieve by using face detection in Picasa?įace detection makes sense when you want to identify faces in a photo. More info What is the Purpose of Using Face Detection?

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Picassa type photo editor for mac