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The common defects of Discrete Cosine Transform based algorithm are the square effect and floater noise, especially under low speed. These defects can be resolved using code of mathematics morphology. For interframe coding, a new motion compensation algorithm based on the mathematical morphology transformation is proposed in this paper. First, the structure elements use compound morphological transformation, to carry out open and close operations in order to select and filter the irregular minuteness blocks. Then, Sum of Absolute Differences is adopted for motion estimating and coding in accordance to size and motion vector to determine the matching blocks. In this way, the frame prediction objective is achieved. Through the computer emulation, it is demonstrated that the proposed algorithm achieves fine compensation and improves the compression rate and transmission quantity. Under the same compression rate, it is indicated that the proposed video coding algorithm based on mathematical morphology is better than the video compression standard H.263. The proposed algorithm is basic for real-time compression and transmission, and also has certain practicability in image processing and information identification.

Investigation of Dynamic Inter-frame Image Compression Algorithm Based on Mathematical Morphology