Abstract
In this paper, we present an application that enables fast and controlled quality degradation of any given video sequence. Considering, that it also displays a preview of both degraded and reference video frames along with the corresponding quality degradation value, it can be a useful tool for education and research. Further, we describe the logical process of creating degradation artifacts, namely blurring, several types of electronic noise, blocking effect, color bleeding and mosquito noise. This paper also analyses the results of an experiment, conducted on video sequences affected by simulated artifacts and evaluated by two objective quality metrics. As expected, we certified that video quality is decreasing with rising intensity of each applied effect. Excluding sequences affected by any type of noise, video quality seems to be content dependent. Furthermore, we also discovered that noises impair video quality most critically, according to objective metrics.
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