VLSI Implementation of a Cost-Efficient Loeffler-DCT Algorithm with Recursive CORDIC for DCT-Based Encoder

• Main Authors: Chung, Rih-Lung, Chen, Chen-Wei, Chen, Chiung-An, Abu, Patricia Angela R, Chen, Shih-Lun
• Format: text
• Published: Archīum Ateneo 2021
• Subjects: CORDIC; Loeffler DCT; Huffman entropy encoder; image compression; Joint Photographic Experts Group (JPEG); very large scale integration (VLSI) video encoder; wireless sensor networks (WSN); Computer Engineering; Computer Sciences
• Online Access: https://archium.ateneo.edu/discs-faculty-pubs/217; https://archium.ateneo.edu/cgi/viewcontent.cgi?article=1217&context=discs-faculty-pubs
• Institution: Ateneo De Manila University

This paper presents a low-cost and high-quality; hardware-oriented; two-dimensional discrete cosine transform (2-D DCT) signal analyzer for image and video encoders. In order to reduce memory requirement and improve image quality; a novel Loeffler DCT based on a coordinate rotation digital computer...