Optimal keyframe selection-based lossless video-watermarking technique using IGSA in LWT domain for copyright protection

Abstract Video piracy is a challenging issue in the modern world. Approximately $$90\%$$ 90 % of newly released films were illegally distributed around world via Internet. To overcome this issue, video watermarking an effective process that integrates logo frames as watermark. Therefore, paper presents efficient lossless video-watermarking scheme based on optimal keyframe selection using intelligent gravitational search algorithm linear wavelet transform. This technique obtains color motion and motionless from cover by histogram difference method. One-level transform performed chrominance channel low-frequency sub-band LL opts for watermark embedding. The performance proposed has been evaluated against 12 processing attacks terms imperceptibility robustness. Experiments demonstrate outperforms five state-of-the-art schemes considered attacks.