scispace - formally typeset
Patent

JPEG Huffman table decoder and method thereof based on binary search technique

Reads0
Chats0
TLDR
In this paper, a joint photographic expert group (JPEG) table decoder and a method thereof based on a binary search technique were proposed to reduce comparison time and an amount of memory required for searching the symbols.
Abstract
A joint photographic expert group (JPEG) Huffman table decoder and a method thereof based on a binary search technique. The JPEG Huffman table decoder performs symbol matching based on the binary search and calculates an address of the matched symbol in code book data. Comparison time and an amount of memory required for searching the symbols are reduced.

read more

Citations
More filters
Patent

Information retrieval apparatus

TL;DR: In this paper, an information retrieval apparatus includes a display which displays document information, an input unit which adds additional information to the document information displayed the display, a first storage which stores mark symbol information specifying a particular symbol used for marking, a detector which detects an input from the input unit and decides whether or not the input additional information is identical to or similar to the mark symbols information stored in the first storage, a second storage which stored the additional information which is decided that it is similar to mark symbols by the detector.
Patent

Method and device for decoding normal form Hoffman hardware in JPEG (Joint Photographic Expert Group) image

TL;DR: In this paper, a method and a device for decoding normal form Hoffman hardware in a JPEG (Joint Photographic Expert Group) image is presented. But the method is limited to decode one codon in a shorter clock period by utilizing a shift register mode.
Patent

Image decoding apparatus and method

Xiaowei Ye
TL;DR: In this paper, an image decoding apparatus is provided, including a parser and an AC decoder, for parsing a bit stream to acquire a first unit, which is then processed by an AC bypassing process on the first unit.
Patent

Method and system to generate a compressed image utilizing custom probability tables

TL;DR: In this article, an optimized method and system to generate a compressed image utilizing custom probability tables is described, which includes an input module to receive a digital image, a sample generator to generate representative sample image from the input image, and an entropy coder to encode the image utilizing the custom probability table.
References
More filters
Patent

Method for reducing storage requirements for grouped data values

TL;DR: In this article, a stream of symbols which represent a sequence of grouped data values is partitioned into first partition symbol groups and second partition symbols groups, and each second partition symbol group comprises the symbols representing all digits of a second data value excluding the symbol which represented the least significant digits.
Patent

Sliding window compression method utilizing defined match locations

TL;DR: In this paper, an improved sliding window dictionary-based compression method was proposed, which limits the data within the sliding window searched to data strings occurring at each discrete match location within a plurality of predefined discrete match locations.
Patent

Bit mapping apparatus and method

TL;DR: In this article, a fast n-bit to k-bit mapping or translation method and apparatus avoiding the use of content addressable memories (CAMs) is described, which essentially is characterized by using two conventional storages (RAMs).
Patent

Method and apparatus for decoding JPEG symbols

John Redford
TL;DR: In this paper, a method and apparatus for decoding JPEG Huffman symbols is described, which takes advantage of the high speed possible with a content addressable memory and the small size of the compare-add module.
Patent

Huffman decoding method and apparatus

TL;DR: An improved Huffman decoding method and an apparatus thereof are provided in this article, which includes (a) obtaining index information from a first bit of a codeword formed with bits of a part of a received encoded bit stream, and (b) determining a type of the entry based on an internal value of the accessed entry.