DxOMark will finally test and rate the selfie cameras facing the front during its reviews on smartphones.

By adding the new analysis and the new context, the French sensor testing company hopes that its new analysis will make it easier to rate smartphones according to the way users use them. These partitions will be published in parallel on the main site of DxOMark, along with the partitions of the reversing cameras.

This is important for many reasons, but most importantly because this type of testing is extremely rare and almost non-existent between objective review sites. Most selfie cameras are lagging behind the main cameras of smartphones and are often omitted from the tests. By adding a test protocol for the selfie camera, DxOMark covers all imaging sensors used by smartphone owners - and avoids any surprise readers when they take pictures with the front camera of their phone.

Following a new convention that mobile photography notation, selfie photo partitions are built on a large collection of data, including data collected objectively using diagrams and test scenes. In addition, more than 45 test scenes are used to analyze selfie cameras using a selection of criteria to evaluate selfie camera perception performance in a range of possible environments, both indoors and outdoors. Although a complete list of tests and scores is not available, tests take about two weeks from start to finish. This includes more than 1,500 still images and more than two hours of video to arrive at two meta-scores (stills, video) that are then combined to obtain an overall score.



New tests developed for the protocol include a bokeh diagram, a dead leaf diagram for noise analysis and details, realistic dummies for repeatability, and an HDR portrait setup. These tests will provide a little more context to the common functions of the selfie cameras. However, it is not clear if features such as Night Sight are taken into account in scoring - we know that the new features of the camera will not always make the tests.

The assessment of image quality has become more difficult since the advent of artificial intelligence features in cameras, and the new test protocol tries to take this into account by examining the latest features of the intended environment of DxO. For example, popular embellishment modes on some phones dramatically change image quality, but not the same from one region to another. DxOMark tests this by using representative models and mannequins to ensure better results. In addition, devices with Embellishment mode are evaluated for their ability to handle diversity, ensuring a large sample section.

Although the scores of the main camera and the selfie camera follow similar conventions, the two tests are different enough that they can not be compared directly. Nevertheless, we advise anyone to take scores anywhere with a grain of salt. I say this because it is extremely difficult to create an easy-to-read system to meet the needs of users. As a designer of Android Authority's objective tests and scores for smartphone cameras, I can tell you that there was no universal use scenario for imaging products of all types.

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