| Fragile watermarks for detecting tampering in images V Bhaskaran, V Ratnakar US Patent 6,064,764, 2000 | 370 | 2000 |
| Method and apparatus for sharpening an image by scaling elements of a frequency-domain representation V Ratnakar, V Bhaskaran US Patent 6,421,468, 2002 | 187 | 2002 |
| Image transformations in the compressed domain V Ratnakar, V Ivashin, V Bhaskaran US Patent 6,298,166, 2001 | 122 | 2001 |
| Power scalable digital video decoding V Ratnakar, W Chen, C Kim, V Bhaskaran, O Guleryuz US Patent App. 10/360,977, 2004 | 116 | 2004 |
| Watermarking with random zero-mean patches for printer tracking V Ratnakar US Patent 6,556,688, 2003 | 115 | 2003 |
| RD-OPT: An efficient algorithm for optimizing DCT quantization tables V Ratnakar, M Livny Proceedings DCC'95 Data Compression Conference, 332-341, 1995 | 81 | 1995 |
| Runs of adaptive pixel patterns (RAPP) for lossless image compression V Ratnakar US Patent 6,038,346, 2000 | 68 | 2000 |
| An efficient algorithm for optimizing DCT quantization V Ratnakar, M Livny IEEE Transactions on Image Processing 9 (2), 267-270, 2000 | 67 | 2000 |
| Image delivery and display system V Ratnakar US Patent 6,278,432, 2001 | 64 | 2001 |
| Image compression system and method having optimized quantization tables V Ratnakar, M Livny US Patent 5,724,453, 1998 | 64 | 1998 |
| File size bounded JPEG transcoder (FSBJT) V Ratnakar, V Ivashin US Patent 6,233,359, 2001 | 59 | 2001 |
| LAPE: layered presentation system utilizing compressed-domain image processing V Ratnakar, V Bhaskaran US Patent 7,391,910, 2008 | 45 | 2008 |
| RAPP: Lossless image compression with runs of adaptive pixel patterns V Ratnakar Conference Record of Thirty-Second Asilomar Conference on Signals, Systems …, 1998 | 40 | 1998 |
| Selective display of OCR'ed text and corresponding images from publications on a client device V Ratnakar, F Haugen, A Popat US Patent 8,373,724, 2013 | 34 | 2013 |
| Standards compliant watermarking for access management V Ratnakar, OG Guleryuz US Patent 7,046,818, 2006 | 32 | 2006 |
| Two row buffer image compression (TROBIC) V Ratnakar US Patent 6,256,415, 2001 | 31 | 2001 |
| Display of document image optimized for reading G Poncin, V Ratnakar US Patent 8,254,681, 2012 | 29 | 2012 |
| Watermarking with random zero-mean patches for copyright protection V Ratnakar US Patent 6,522,766, 2003 | 28 | 2003 |
| Wavelet transform coding technique V Ratnakar US Patent 6,574,372, 2003 | 27 | 2003 |
| Presentation of search results based on document structure AK Singhal, V Ratnakar, M Lifantsev, JK O'sullivan US Patent 9,031,898, 2015 | 26 | 2015 |
