Konu "Bit rate" için listeleme
Toplam kayıt 16, listelenen: 1-16
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Algorithmic modifications to SPIHT
(IEEE, 2001)This paper proposes several low complexity algorithmic modifications to the SPIHT (Set Partitioning in Hierarchical Trees) image coding method of [3] The modifications exploit universal traits common to the real world ... -
A bit-serial sum of absolute difference accelerator for variable block size motion estimation of H.264
(IEEE, 2009)Bit-serial architectures offer a number of attractive features over their bit-parallel counterparts such as smaller area cost, lower density interconnection, a reduced number of pins, higher clock frequency, simpler routing ... -
Decoder side true motion estimation for very low bitrate b-frame coding
(IEEE, 2011)In H.264 standard, coding of motion vectors constitutes a significant portion of total bitrate especially at low bitrate regimes. This is because differential coding of motion vectors is inefficient when the bit budget is ... -
Decoder-side super-resolution and frame interpolation for improved H.264 video coding
(IEEE, 2013)In literature decoder-side motion estimation is shown to improve video coding efficiency of both H.264 and HEVC standards. In this paper we introduce enhanced skip and direct modes for H.264 coding using decoder-side ... -
H.264 vi̇deo kodlamada B-çerçeveler i̇çi̇n kodçözücü tarafında aday devi̇ni̇m vektör seçi̇mi̇
(IEEE, 2012-04-18)H.264 standardında devinim vektör farklarının kodlanması sebebiyle özellikle düşük bit hızlarında nesne sınırlarında devinimdeki ani değişiklikler harcanan bit miktarlarını artırmaktadır. Bu bildiride B-çerçevelerde kod ... -
İmge kodlaması için dalgacık paketlerinde küresel gösterim
(IEEE, 2008-09-26)Bu bildiride, dalgacık dönüşümü için geliştirdiğimiz küresel kodlama algoritmasının dalgacık paketlerine uyarlanması sunulmuştur. Bu kodlayıcıda yerel katsayı enerjisi, dalgacık altbantlarında varolan uzamsal bilgiyi ... -
Low complexity inter-mode selection for H.264
(IEEE, 2006)The coding efficiency of the H.264/AVC standard enables the transmission of high quality video over bandwidth limited networks. Due to the use of multiple Macroblock (MB) partitions, the Motion estimation module has extremely ... -
A new algorithm for high speed speech and audio coding
(IEEE, 2007)In this work, a new mathematical modeling approach is proposed for the representation of the speech and audio signals. This approach is based on the generation of the so called Predefined Signature Sequence (PSS) and ... -
A new coding method for speech and audio signals
(IEEE, 2005)In this paper a new representation or modeling method of speech signals is introduced. The proposed method is based on the generation of the so-called Predefined Signature S={S R } and Envelope vector E={E K } Sets (PSEVS). ... -
A new speech modeling method: SYMPES
(IEEE, 2006)In this paper, the new method of speech modeling which is called SYMPES is introduced and it is compared with the commercially available methods. It is shown that for the same compression ratio or better, SYMPES yields ... -
A novel fast algorithm for speech and audio coding
(IEEE, 2007)In this work a new mathematical modeling approach is proposed for the representation of the speech and audio signals. This approach is based on the generation of the so called Predefined Signature Sequence (PSS) and ... -
A novel noise robust and low bit rate speech coding algorithm
(IEEE, 2009)In this work, a new noise robust and variable length frame based speech modeling method is introduced. This method consists of three major steps which includes noise removal algorithm, coding and encoding algorithms, ... -
Spherical coding algorithm for wavelet image compression
(IEEE-Inst Electrical Electronics Engineers Inc, 2009-05)In recent literature, there exist many high-performance wavelet coders that use different spatially adaptive coding techniques in order to exploit the spatial energy compaction property of the wavelet transform. Two crucial ... -
Tel file geometrilerinin sıradüzensel küme bölüntüleme ile spektral kodlaması
(IEEE, 2007-09-04)Çalışmamızda bir dönüşümle elde edilen spektral katsayılar kullanılarak betimlenen tel file geometri bilgisi, katsayılara bütün bit düzlemlerinde en doğru öncelikler atanarak sıradüzensel bir küme bölüntüleme algoritmasıyla ... -
Wavelet image coding using the spherical representation
(IEEE, 2005)In this paper, we introduce the "spherical representation", which provides a new adaptive framework for modeling and coding the image information in wavelet subbands. Based on this representation, a practical coding algorithm ... -
Wavelet-based image compression by hierarchical quantization indexing
(IEEE, 2009)In this paper, we introduce the quantization index hierarchy, which is used for efficient coding of quantized wavelet coefficients. A hierarchical classification map is defined in each wavelet subband, which describes the ...