Results 11 to 20 of about 112,080 (220)
Recent H-alpha results on pulsar B2224+65's bow-shock nebula, the "Guitar" [PDF]
, 2016 We used the 4 m Discovery Channel Telescope (DCT) at Lowell observatory in 2014 to observe the Guitar Nebula, an Hα bow-shock nebula around the high-velocity radio pulsar B2224+65.
Cashmen, Lauren R. +5 more
core +2 more sources
Quantitative morphology of renal cortical structures during compensatory hypertrophy [PDF]
, 1998 The compensatory hypertrophy in different renal cortical structures was studied in rats 10 and 21 days after unilateral nephrectomy (UNX). Quantitative morphological/stereological analysis revealed significant increases in total renal cortical volume ...
Beck, Franz-X. +4 more
core +1 more source
High capacity steganographic method based upon JPEG [PDF]
, 2008 The two most important aspects of any image-based steganographic system are the quality of the stegoimage and the capacity of the cover image. This paper proposes a novel and high capacity steganographic approach based on Discrete Cosine Transformation (
Al-Mohammad, A, Ghinea, G, Hierons, RM
core +1 more source
A New Method For Digital Watermarking Based on Combination of DCT and PCA
, 2015 In the digital watermarking with DCT method,the watermark is located within a range of DCT coefficients of the cover image. In this paper to use the low-frequency band, a new method is proposed by using a combination of the DCT and PCA transform.
Hosseini, S. Abolfazl, Saboori, Arash
core +1 more source
Multiple description video coding based on zero padding [PDF]
, 2004 This paper proposes a simple multiple description video coding approach based on zero padding theory. It is completely based on pre- and post-processing, which require no modifications to the source codec.
Bull, DR +3 more
core +2 more sources
Two-dimensional DCT/IDCT architecture [PDF]
, 2003 A fully parallel architecture for the computation of a two-dimensional (2-D) discrete cosine transform (DCT), based on row-column decomposition is presented.
Aggoun, A, Jollah, I
core +1 more source
Type-II/III DCT/DST algorithms with reduced number of arithmetic operations
, 2009 We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additions than previously published algorithms, without sacrificing numerical ...
Ahmed +51 more
core +2 more sources
Fast algorithm for the 3-D DCT-II [PDF]
, 2004 Recently, many applications for three-dimensional (3-D) image and video compression have been proposed using 3-D discrete cosine transforms (3-D DCTs). Among different types of DCTs, the type-II DCT (DCT-II) is the most used.
Alshibami, H.O., Boussakta, S.
core +1 more source
Molecular Oncology, EarlyView.ERRFI1, a neural crest (NC)‐associated gene, was upregulated in melanoma and negatively correlated with the expression of melanocytic differentiation markers and the susceptibility of melanoma cells toward BRAF inhibitors (BRAFi). Knocking down ERRFI1 significantly increased the sensitivity of melanoma cells to BRAFi.
Nina Wang +8 more
wiley +1 more source
A content-aware quantisation mechanism for transform domain distributed video coding [PDF]
, 2018 The discrete cosine transform (DCT) is widely applied in modern codecs to remove spatial redundancies, with the resulting DCT coefficients being quantised to achieve compression as well as bit-rate control. In distributed video coding (DVC) architectures
Dooley, Laurence S. +2 more
core +1 more source