An efficient image retrieval through DCT histogram quantization

Mathematics

• Accelerate 7%
• Background 5%
• Coefficient 10%
• Count 5%
• Decrease 5%
• Discrete Cosine Transform 81%
• Euclidean Distance 7%
• Experimental Results 6%
• Feature Extraction 10%
• Feature Vector 20%
• Histogram 62%
• Image Database 12%
• Image Retrieval 100%
• Influence 5%
• Object 4%
• Overlapping 7%
• Partial 4%
• Performance 4%
• Pixel 8%
• Quantization 52%
• Query 26%
• Similarity 5%

Engineering & Materials Science

• Discrete cosine transforms 61%
• Feature extraction 8%
• Image retrieval 56%
• Pixels 8%