Title :
Software JPEG decoder for embedded systems
Author :
Milinkovic, S.A.
Author_Institution :
Sch. of Comput., Univ. of Belgrade, Belgrade, Serbia
Abstract :
This paper presents a software JPEG decoder with extremely small memory footprint, which is suitable for embedded systems. It is achieved by decoding one MCU at a time and storing it immediately in frame buffer, instead of processing full image strip, so consequently the memory usage is independent on image size. Due to efficient Huffman table processing and fast IDCT calculations, this software could be ported even to lower range microcontrollers. It also provides the auto scaling and auto rotation functionality.
Keywords :
Huffman codes; codecs; image coding; Huffman table processing; auto rotation; auto scaling; decoding; embedded systems; fast IDCT calculations; frame buffer; image size; image strip; microcontrollers; software JPEG decoder; Decoding; Discrete cosine transforms; Encoding; Image coding; Image color analysis; Standards; Transform coding; JPEG; data compression; digital images; embedded software;
Conference_Titel :
Telecommunications Forum (TELFOR), 2012 20th
Conference_Location :
Belgrade
Print_ISBN :
978-1-4673-2983-5
DOI :
10.1109/TELFOR.2012.6419451
