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Article
Refill Friction Stir Spot Welding of Similar and Dissimilar Alloys: A Review
Refill friction stir spot welding, also known as friction spot welding (FSpW), is a solid-state welding process suitable for spot joining of lightweight materials. Through the efforts of improving joint qualit...
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Article
Detection of quantization index modulation steganography in G.723.1 bit stream based on quantization index sequence analysis
This paper presents a method to detect the quantization index modulation (QIM) steganography in G.723.1 bit stream. We show that the distribution of each quantization index (codeword) in the quantization index...