Adaptive Binary Arithmetic Coder-Based Image Feature and Segmentation in the Compressed Domain
نویسندگان
چکیده
Image compression is necessary in various applications, especially for efficient transmission over a band-limited channel. It is thus desirable to be able to segment an image in the compressed domain directly such that the burden of decompressing computation can be avoided. Motivated by the adaptive binary arithmetic coder MQ coder of JPEG2000, we propose an efficient scheme to segment the feature vectors that are extracted from the code stream of an image. We modify the Compression-based Texture Merging CTM algorithm to alleviate the influence of overmerging problem by making use of the rate distortion information. Experimental results show that the MQ coder-based image segmentation is preferable in terms of the boundary displacement error BDE measure. It has the advantage of saving computational cost as the segmentation results even at low rates of bits per pixel bpp are satisfactory.
منابع مشابه
Adaptive Binary Arithmetic coder used in SPIHT for high performance applications
Adaptive Binary Arithmetic coder used in SPIHT for high performance applications K. SUBBA RAMI REDDY, P. HARINATH REDDY 2 M.Tech (VLSI) Student, Assistant Professor & HOD, Department of ECE, Srinivasa Institute of Technology and Science Ukkayapalli, Kadapa-A.P.India _________________________________________________________________________ ABSTRACT: A High throughput memory-efficient arithmetic ...
متن کاملHardware Based Binary Arithmetic Engine
Context Based Binary Arithmetic Coding (CBAC) is a part of JZ profile of Audio Video Coding Standard (AVS).The goal of this paper is to present the efficient hardware based binary arithmetic coder which is the main part of binarisation involved in CBAC of AVS. This paper explains about the efficient arithmetic coding involved in the video transcoding. The major concerns of using JZ profile of A...
متن کاملSecond-Order Statistical Texture Representation of Asphalt Pavement Distress Images Based on Local Binary Pattern in Spatial and Wavelet Domain
Assessment of pavement distresses is one of the important parts of pavement management systems to adopt the most effective road maintenance strategy. In the last decade, extensive studies have been done to develop automated systems for pavement distress processing based on machine vision techniques. One of the most important structural components of computer vision is the feature extraction met...
متن کاملSemantic-Based Image Retrial in the VQ Compressed Domain using Image Annotation Statistical Models
متن کامل
High Quality Document Image Compression with
We present a new image compression technique called \DjVu " that is speciically geared towards the compression of high-resolution, high-quality images of scanned documents in color. This enables fast transmission of document images over low-speed connections, while faithfully reproducing the visual aspect of the document, including color, fonts, pictures, and paper texture. The DjVu compressor ...
متن کامل