Visual tracking using structural local DCT sparse appearance model with occlusion detection
Sign Up to like & getrecommendations! Published in 2018 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-018-6453-z
Abstract: In this paper, a structural local DCT sparse appearance model with occlusion detection is proposed for visual tracking in a particle filter framework. The energy compaction property of the 2D-DCT is exploited to reduce the… read more here.
Keywords: appearance model; occlusion; occlusion detection; dct ... See more keywords
A robust DCT-2DLDA watermark for color images
Sign Up to like & getrecommendations! Published in 2018 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-018-6505-4
Abstract: A blind watermarking algorithm is proposed, which is based on the Discrete Cosine Transform (DCT) method. It uses Two-Dimensional Linear Discriminant Analysis (2DLDA) watermark scheme for copyright protection. During the embedding process, the color image… read more here.
Keywords: watermark; color; image; method ... See more keywords
Low-complexity 8-point DCT approximation based on angle similarity for image and video coding
Sign Up to like & getrecommendations! Published in 2019 at "Multidimensional Systems and Signal Processing"
DOI: 10.1007/s11045-018-0601-5
Abstract: The principal component analysis (PCA) is widely used for data decorrelation and dimensionality reduction. However, the use of PCA may be impractical in real-time applications, or in situations were energy and computing constraints are severe.… read more here.
Keywords: image; complexity; dct; image video ... See more keywords
Pruned improved eight-point approximate DCT for image encoding in visual sensor networks requiring only ten additions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Real-Time Image Processing"
DOI: 10.1007/s11554-019-00918-2
Abstract: A low-complexity pruned eight-point discrete cosine transform (DCT) approximation for image compression in visual sensor networks is introduced. The proposed transform consists of using an approximate DCT in combination with pruning approach. The aim of… read more here.
Keywords: image; visual sensor; sensor networks; dct ... See more keywords
Quantifying deep cryogenic treatment extent and its effect on steel properties
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Engineering Science"
DOI: 10.1016/j.ijengsci.2021.103521
Abstract: Abstract Deep cryogenic treatment (DCT) has been known since the 1930s to improve hardness, fatigue resistance, and wear resistance of steel. While the effect of DCT on wear properties has been well documented, there is… read more here.
Keywords: steel; dct; effect; deep cryogenic ... See more keywords
Design of fractional order differentiator using type-III and type-IV discrete cosine transform
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Science and Technology, an International Journal"
DOI: 10.1016/j.jestch.2016.07.002
Abstract: Abstract In this paper, an interpolation method based on discrete cosine transform (DCT) is employed for digital finite impulse response-fractional order differentiator (FIR-FOD) design. Here, a fractional order digital differentiator is modeled as finite impulse… read more here.
Keywords: differentiator; fractional order; dct; interpolation ... See more keywords
Impact of steel type, composition and heat treatment parameters on effectiveness of deep cryogenic treatment
Sign Up to like & getrecommendations! Published in 2021 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2021.07.022
Abstract: Abstract In recent years, promising technique of deep cryogenic treatment (DCT) is taking a new step in improving properties of various materials, especially steels. This study is focusing on influence of selected heat treatment process… read more here.
Keywords: steel; treatment; heat treatment; dct ... See more keywords
Specific disruption of calcineurin-signaling in the distal convoluted tubule impacts the transcriptome and proteome, and causes hypomagnesemia and metabolic acidosis.
Sign Up to like & getrecommendations! Published in 2021 at "Kidney international"
DOI: 10.1016/j.kint.2021.06.030
Abstract: Adverse effects of calcineurin inhibitors (CNI), such as hypertension, hyperkalemia, acidosis, hypomagnesemia and hypercalciuria, have been linked to dysfunction of the distal convoluted tubule (DCT). To test this, we generated a mouse model with an… read more here.
Keywords: acidosis; calcineurin; distal convoluted; cnb1 mice ... See more keywords
Evaluating Intraocular Pressure After Myopic Photorefractive Keratectomy: A Comparison of Different Tonometers
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Glaucoma"
DOI: 10.1097/ijg.0000000000002023
Abstract: Précis: All devices evaluated in this study showed a significant underestimation in intraocular pressure (IOP) measurement after myopic photorefractive keratectomy (PRK), Goldmann tonometer more than others. Corneal biomechanics indicated a different influence on the different… read more here.
Keywords: myopic; prk; intraocular pressure; cst ... See more keywords
Effective Hardware Accelerator for 2D DCT/IDCT Using Improved Loeffler Architecture
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3146162
Abstract: This paper proposes an effective hardware accelerator for 2D $8\times 8$ discrete cosine transform (DCT) and inverse discrete cosine transform (IDCT) using an improved Loeffler architecture. The accelerator optimizes the data stream of the Loeffler… read more here.
Keywords: dct idct; architecture; dct; hardware accelerator ... See more keywords
Image Enhancement and Features Extraction of Electron Microscopic Images Using Sigmoid Function and 2D-DCT
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3192416
Abstract: An innovative image enhancement and feature extraction technique that is based on the modified sigmoid function and two-dimensional DCT has been developed. The proposed technique uses a modified sigmoid function that accommodates the original microscopic… read more here.
Keywords: sigmoid function; dct; image; microscopic images ... See more keywords