TY - GEN
T1 - Lossy image compression for digital medical imaging systems
AU - Wilhelm, Paul
AU - Haynor, David R.
AU - Kim, Yongmin
AU - Nelson, Alan C.
AU - Riskin, Eve A.
PY - 1990
Y1 - 1990
N2 - This paper describes a protocol for subjective and objective comparison of compressed/decompressed images to the originals and presents the results of its application to four representative and promising compression methods. Vector quantizxation is theoretically capable of producing the best compressed images, but has proven difficult to implement. Fractal compression is a relatively new compression technique, but has produced satisfactory results while beuing computationally simple. Discrete cosine transform techniques reproduce images well, but have traditionally been hampered by the need for intensive computing to compress and decompress images. To evaluate the results of each of these methods, radiologist's evaluations of image fidelity were compared to calculations of mean ssuare error, normalized mean square error, percentage mean square error, and fractal normalized mean square error for each compression method and bit rate.
AB - This paper describes a protocol for subjective and objective comparison of compressed/decompressed images to the originals and presents the results of its application to four representative and promising compression methods. Vector quantizxation is theoretically capable of producing the best compressed images, but has proven difficult to implement. Fractal compression is a relatively new compression technique, but has produced satisfactory results while beuing computationally simple. Discrete cosine transform techniques reproduce images well, but have traditionally been hampered by the need for intensive computing to compress and decompress images. To evaluate the results of each of these methods, radiologist's evaluations of image fidelity were compared to calculations of mean ssuare error, normalized mean square error, percentage mean square error, and fractal normalized mean square error for each compression method and bit rate.
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M3 - Conference contribution
AN - SCOPUS:0025554861
SN - 0819402761
T3 - Proceedings of SPIE - The International Society for Optical Engineering
SP - 348
EP - 358
BT - Proceedings of SPIE - The International Society for Optical Engineering
A2 - Kim, Yongmin
T2 - Medical Imaging IV: Image Capture and Display
Y2 - 4 February 1990 through 5 February 1990
ER -