Blind Measurement of Blocking Artifact in Images
نویسنده
چکیده
Blocking effect is the most annoying artifact in block transform-coded image/video. Objective measurement of blocking artifact plays an important role in the development, optimization, and assessment of image/video coding systems. It is also very useful for the design and evaluation of the post-processing algorithms at the decoding side. In this report, a deterministic approach is proposed that can blindly measure blocking artifact in blocky images without the reference of the original ones. The new metric is developed by using the secondorder and the third-order statistical features of the image. Furthermore, by considering human visual masking effects, the metric is modified to comply with human perception. JPEG compressed images are used to test the measurement systems.
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