Title :
Compensation of errors generated by an analog 2D DCT
Author :
Virtanen, Kati ; Pänkäälä, Mikko ; Paasio, Ari
Author_Institution :
Dept. of Inf. Technol., Turku Univ., Finland
Abstract :
The paper proposes an error compensation method for cancelling the errors introduced in an analog discrete cosine transform. Despite the simplicity of the method, significant improvements in image quality can be achieved. The operation was simulated with Matlab using standard test images and the results were examined with both visual and objective measures.
Keywords :
analogue processing circuits; discrete cosine transforms; error compensation; image processing; analog 2D DCT; analog circuits; analog discrete cosine transform; error cancellation; error compensation; image quality; Circuits; Computer errors; Discrete cosine transforms; Error compensation; Information technology; Laboratories; Microelectronics; Quantization; Transistors; Video compression;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1466074
