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Journal articles on the topic 'Blockiness'

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1

Tan, K. T., and M. Ghanbari. "Blockiness detection for MPEG2-coded video." IEEE Signal Processing Letters 7, no. 8 (2000): 213–15. http://dx.doi.org/10.1109/97.855443.

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2

Zhai, Guangtao, Wenjun Zhang, Xiaokang Yang, Weisi Lin, and Yi Xu. "No-reference noticeable blockiness estimation in images." Signal Processing: Image Communication 23, no. 6 (2008): 417–32. http://dx.doi.org/10.1016/j.image.2008.04.007.

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3

Rumyantsev, Artem M., Albert Johner, and Juan J. de Pablo. "Sequence Blockiness Controls the Structure of Polyampholyte Necklaces." ACS Macro Letters 10, no. 8 (2021): 1048–54. http://dx.doi.org/10.1021/acsmacrolett.1c00318.

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4

Ibrar-ul-Haque, Muhammad, Muhammad Tahir Qadri, Najeeb Siddiqui, and Talat Altaf. "Combined Blockiness, Blurriness and White Noise Distortion Meter." Wireless Personal Communications 103, no. 3 (2018): 1927–39. http://dx.doi.org/10.1007/s11277-018-5888-x.

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5

Pillai, Prasanth KS, Yulinglong Ouyang, Andrea K. Stone, and Michael T. Nickerson. "Effect of different levels of esterification and blockiness of pectin on the functional behaviour of pea protein isolate–pectin complexes." Food Science and Technology International 27, no. 1 (2020): 3–12. http://dx.doi.org/10.1177/1082013220924888.

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This research examines changes to the functional (solubility, emulsifying and foaming) properties of pea protein isolate when complexed with commercial citrus pectin of different structural attributes. Specifically, a high methoxy (P90; degree of esterification: 90.0%; degree of blockiness: 64.5%; galacturonic acid content 11.4%) and low methoxy (P29; degree of esterification: 28.6%; degree of blockiness: 31.1%; galacturonic acid: 70%) pectin at their optimum mixing ratios with pea protein isolate (4:1 pea protein isolate to P90; 10:1 pea protein isolate to P29) were assessed at the pHs associ
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6

Meesters, Lydia, and Jean-Bernard Martens. "A single-ended blockiness measure for JPEG-coded images." Signal Processing 82, no. 3 (2002): 369–87. http://dx.doi.org/10.1016/s0165-1684(01)00177-3.

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7

Punchihewa, Amal, Donald G. Bailey, and Robert M. Hodgson. "Benchmarking image codecs by assessment of coded test images: the development of test images and new objective quality metrics." Journal of Telecommunications and Information Technology, no. 1 (March 30, 2006): 11–16. http://dx.doi.org/10.26636/jtit.2006.1.363.

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Objective quality measures are required for benchmarking codec performance. Our aim was to develop a simple, accurate method capable of rapidly measuring the degree of blockiness, edge-blur and ringing due to image compression. Two test images were designed to emphasise these artefacts. The efficacy of the new metrics is demonstrated using a JPEG codec at a range of compression levels.
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8

Shcherbakov, Petro, Svitlana Tymchenko, Marat Bitimbayev, Nurzhigit Sarybayev, and Serik Moldabayev. "Mathematical model to optimize drilling-and-blasting operations in the process of open-pit hard rock mining." Mining of Mineral Deposits 15, no. 2 (2021): 25–34. http://dx.doi.org/10.33271/mining15.02.025.

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Purpose is to determine a function of the reduced expenditures connected with drilling-and-blasting operations, loading and hauling operations, and rock fragmentation depending upon the cost of machine-shift of the applied facility, its operation modes, hardness of rock being blasted, cost of the used explosive, and rock fragmentation quality based upon the developed optimization mathematical model. Methods. Method of statistical evaluation of natural blockiness structure of the rock as well as quality of its fragmentation by means of explosive energy has been applied. Statistical studies have
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9

Dickinson, L. Charles, R. A. Weiss, and Gary E. Wnek. "NMR Characterization of Sulfonation Blockiness in Copoly(styrene−sulfonated styrene)." Macromolecules 34, no. 9 (2001): 3108–10. http://dx.doi.org/10.1021/ma0016275.

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10

Tang, Chaoying, and Biao Wang. "A No-Reference Adaptive Blockiness Measure for JPEG Compressed Images." PLOS ONE 11, no. 11 (2016): e0165664. http://dx.doi.org/10.1371/journal.pone.0165664.

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11

Ibrar-ul-Haque, Muhammad, Muhammad Tahir Qadri, and Najeeb Siddiqui. "Reduced reference blockiness and blurriness meter for image quality assessment." Imaging Science Journal 63, no. 5 (2015): 296–302. http://dx.doi.org/10.1179/1743131x15y.0000000011.

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12

Kongandembou, Maxime Levy, and Qingchun Yu. "Blockiness and hydraulic conductivity of rocks with different fracture geometries." Journal of Hydrology 661 (November 2025): 133700. https://doi.org/10.1016/j.jhydrol.2025.133700.

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13

Chouinard, Paul N., and Ken V. Paulson. "A Markov‐Gauss algorithm for blocking well logs." GEOPHYSICS 53, no. 8 (1988): 1118–21. http://dx.doi.org/10.1190/1.1442549.

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A characteristic common among petrophysical sections is “blockiness,” which results from the high probability that a given rock and the rocks above and below it are all of the same type. Furthermore, if a new rock type is encountered, the next rock’s type is dependent upon this new type and not on a previous type. This suggests that a Markov chain would be an appropriate basis for modeling such physical parameters as acoustic impedance, electrical resistivity, etc.
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14

Kim, Seowon, Nam-Kyung Lee, Youngkyun Jung, and Albert Johner. "Kinetics of Polyampholyte Dimerization: Influence of Charge Sequences." Polymers 16, no. 20 (2024): 2928. http://dx.doi.org/10.3390/polym16202928.

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Polyampholytes (PAs) exhibit complex behaviors in various environments influenced by their charge distribution. This study focuses on the kinetics of dimerization of PAs, aiming to elucidate the underlying mechanisms and clarify relevant characteristics of the charge sequence. We focus on PAs with non-zero net charges, employing molecular dynamics simulations and theoretical analyses to examine how charge sequences influence the rates of dimer formation and dissociation. Our findings reveal that the charge sequence of tails and the blockiness of the minority charge group markedly influence the
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15

Iskov, Sergii, Valentyn Korobiichuk, Iryna Leonets, Volodymyr Levytskyi, and Volodymyr Shlapak. "Assessment of fracturing and blockiness of the Pshenychne gabbro deposit massif." IOP Conference Series: Earth and Environmental Science 1319, no. 1 (2024): 012009. http://dx.doi.org/10.1088/1755-1315/1319/1/012009.

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Abstract Proper development of the deposit and the choice and use of effective technologies for block stone extraction are impossible without evaluating the structural indicators of the massif. It consists in studying the propagation of cracks in the array, orientation of the main crack systems, studying the anisotropic properties of stone, and predicting the yield of commercial stone blocks in the deposit. This allows both to increase the efficiency of block extraction and to reduce the loss of stone during its extraction, which increases the economic performance of field development. The ass
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16

Xia, Lu, Yinhe Zheng, and Qingchun Yu. "Estimation of the REV size for blockiness of fractured rock masses." Computers and Geotechnics 76 (June 2016): 83–92. http://dx.doi.org/10.1016/j.compgeo.2016.02.016.

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17

Wardhaugh, Leigh T., and Michael C. Williams. "Blockiness of olefin copolymers and possible microphase separation in the melt." Polymer Engineering and Science 35, no. 1 (1995): 18–27. http://dx.doi.org/10.1002/pen.760350104.

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18

Husić, Jasmina Baraković, Sara Kazić, and Sabina Baraković. "Objective Quality Metrics Assessment for Cloud Gaming." B&H Electrical Engineering 17, no. 1 (2023): 35–42. http://dx.doi.org/10.2478/bhee-2023-0005.

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Abstract This paper aims to provide objective quality metrics assessment for cloud gaming using machine learning algorithms. Three classification algorithms (i.e., Random Forest, Random Three and J-48) have been used for the development of models for objective quality assessment of two metrics: blurriness and blockiness. The results indicate that Random Forest has the best performance in this experimental case of objective quality metrics assessment for cloud gaming. Future research activities will cover comparison of a broad range of objective quality metrics and machine learning algorithms w
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19

Wenfeng Gao, C. Mermer, and Yongmin Kim. "A de-blocking algorithm and a blockiness metric for highly compressed images." IEEE Transactions on Circuits and Systems for Video Technology 12, no. 12 (2002): 1150–59. http://dx.doi.org/10.1109/tcsvt.2002.806817.

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20

Chen, Li, Jingye Li, Xiaohong Chen, Hongxing Liu, and Lin Zhou. "Prestack AVO inversion based on the vectorised reflectivity method with blockiness constraint." Exploration Geophysics 51, no. 5 (2020): 535–48. http://dx.doi.org/10.1080/08123985.2020.1801082.

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21

Zhan, Yibing, and Rong Zhang. "No-Reference JPEG Image Quality Assessment Based on Blockiness and Luminance Change." IEEE Signal Processing Letters 24, no. 6 (2017): 760–64. http://dx.doi.org/10.1109/lsp.2017.2688371.

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22

Jeong, Taeuk. "No-reference image-quality metric based on blur radius and visual blockiness." Optical Engineering 49, no. 4 (2010): 045001. http://dx.doi.org/10.1117/1.3366671.

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23

Xia, Lu, Maohua Li, Youhua Chen, Yinhe Zheng, and Qingchun Yu. "Blockiness level of rock mass around underground powerhouse of Three Gorges Project." Tunnelling and Underground Space Technology 48 (April 2015): 67–76. http://dx.doi.org/10.1016/j.tust.2015.02.002.

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24

Madkour, Tarek M. "Effect of ‘‘blockiness’’ on the thermal transition of the terephthalate–adipate copolymers." Journal of Chemical Physics 104, no. 22 (1996): 9154–60. http://dx.doi.org/10.1063/1.471447.

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25

Kamil, Fatimah Husam, Maisa'a Abid Ali Khodher, and Layth Kamil Adday. "Steganalysis of Secret Messages Using the Blockiness Method on Stego Color Images." International Journal of Safety and Security Engineering 15, no. 2 (2025): 315–21. https://doi.org/10.18280/ijsse.150212.

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26

Makhmudov, A. "A RESEARCH INTO AN ARRAY AND BASIC PARAMETERS OF THE DEVELOPMENT SYSTEM FOR COMPLEX STRUCTURAL FACING STONE IN UZBEKISTAN." Journal of Science and Innovative Development 5, no. 3 (2022): 54–62. http://dx.doi.org/10.36522/2181-9637-2022-3-6.

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The scientific paper has investigated a range and parameters of the block stone mining system in Uzbekistan. Scientific researches, made by leading scientists in this field, have been closely reviewed. Methods of assessment of fracturing and blockiness of massif based on correlation between linear and area indices of natural separations in massif have been applied. A technological scheme of face orientation in relation to fracture systems has been developed. Possible technical productivity of stone blocks extraction using different methods of preparation for excavation has been determined. Rat
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27

Silva, Alexandre Fieno da, and Mylène C. Q. Farias;. "Perceptual Strengths of Video Impairments that Combine Blockiness, Blurriness, and Packet-Loss Artifacts." Electronic Imaging 2018, no. 12 (2018): 234–1. http://dx.doi.org/10.2352/issn.2470-1173.2018.12.iqsp-234.

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28

Kim, Hak-choong, Oguzhan Urhan, and Tae-gyu Chang. "Post-filtering of DCT Coded Images Using Fuzzy Blockiness Detector and Linear Interpolation." IEEE Transactions on Consumer Electronics 53, no. 3 (2007): 1125–29. http://dx.doi.org/10.1109/tce.2007.4341595.

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29

Kamdar, A. R., H. P. Wang, D. U. Khariwala, A. Taha, A. Hiltner, and E. Baer. "Effect of chain blockiness on the phase behavior of ethylene-octene copolymer blends." Journal of Polymer Science Part B: Polymer Physics 47, no. 16 (2009): 1554–72. http://dx.doi.org/10.1002/polb.21757.

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30

Winning, Hanne, Nanna Viereck, Tina Salomonsen, Jan Larsen, and Søren B. Engelsen. "Quantification of blockiness in pectins—A comparative study using vibrational spectroscopy and chemometrics." Carbohydrate Research 344, no. 14 (2009): 1833–41. http://dx.doi.org/10.1016/j.carres.2008.10.015.

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31

Vanderwoude, Gordon, and An-Chang Shi. "Effects of Blockiness and Polydispersity on the Phase Behavior of Random Block Copolymers." Macromolecular Theory and Simulations 26, no. 1 (2016): 1600044. http://dx.doi.org/10.1002/mats.201600044.

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32

Shcherbakov, P., S. Tymchenko, S. Moldabayev, M. Amankulov, and D. Babets. "Mathematical substantiation and creation of information tools for optimal control of drilling and blasting in open-pit mine." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 6 (December 23, 2023): 31–38. http://dx.doi.org/10.33271/nvngu/2023-6/031.

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Purpose. To establish the rationale for the informational infrastructure necessary for effectively managing drilling and blasting operations in open-pit mining of rock deposits. To define the distribution function of natural rock blocks within the mass they comprise. To ensure timely access to data regarding the strength, fracturing characteristics of geological formations in their initial state, as well as the particle size distribution of mined materials obtained post-explosion. Methodology. Statistical modeling techniques were employed to analyze the natural blockiness of rock masses. The a
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33

Kutinov, Y. G., T. Ya Belenovitch, and Z. B. Chistova. "Discreteness of the Earth's crust, energy consumption of blocks and seismicity of the European North of Russia." Vestnik of Geosciences 11 (2021): 16–24. http://dx.doi.org/10.19110/geov.2021.11.2.

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The article presents results of calculations of the coefficients of discreteness and energy consumption of megablocks, transblock zones and intersection nodes in the territory of the European North of Russia (the Baltic Shield and the North of the Russian Plate). Calculations of fault surface density and the crushing («blockiness») function are carried out. Analysis of the obtained parameters showed that seismically active zones and nodes of their intersection are characterized by high values of the studied parameters comparable to the values typical for the Arctic seismic belt. Thus, we can t
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34

Tanaka, Shigehiko, Takayuki Fujiwara, Manabu Hashimoto, Takuma Funahashi, and Hiroyasu Koshimizu. "Evaluation of JPEG Blockiness by the Fast Analysis of Information on Local Image Frequency." IEEJ Transactions on Industry Applications 131, no. 4 (2011): 600–607. http://dx.doi.org/10.1541/ieejias.131.600.

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35

Zhou, Lin, Jianping Liao, Jingye Li, Xiaohong Chen, Tianchun Yang, and Andrew Hursthouse. "Bayesian Time-lapse Difference Inversion Based on the exact Zoeppritz Equations with Blockiness Constraint." Journal of Environmental and Engineering Geophysics 25, no. 1 (2020): 89–100. http://dx.doi.org/10.2113/jeeg19-045.

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Accurately inverting changes in the reservoir elastic parameters that are caused by oil and gas exploitation is of great importance in accurately describing reservoir dynamics and enhancing recovery. Previously numerous time-lapse seismic inversion methods based on the approximate formulas of exact Zoeppritz equations or wave equations have been used to estimate these changes. However the low accuracy of calculations using approximate formulas and the significant calculation effort for the wave equations seriously limits the field application of these methods. However, these limitations can be
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36

Jermendi, Éva, Martin Beukema, Marco A. van den Berg, Paul de Vos, and Henk A. Schols. "Revealing methyl-esterification patterns of pectins by enzymatic fingerprinting: Beyond the degree of blockiness." Carbohydrate Polymers 277 (February 2022): 118813. http://dx.doi.org/10.1016/j.carbpol.2021.118813.

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37

Chen, Qingfa, Tingchang Yin, and Hangyu Jia. "Selection of Optimal Threshold of Generalised Rock Quality Designation Based on Modified Blockiness Index." Advances in Civil Engineering 2019 (January 10, 2019): 1–11. http://dx.doi.org/10.1155/2019/1340549.

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Rock quality designation (RQD) is a critical index for quantifying the degree of rock mass jointing; it is widely used for evaluating the qualities and stabilities of engineering rock masses. However, the use of traditional RQD may yield inaccurate assessments because only core pieces longer than 100 mm are counted. To enhance the utility of RQD, generalised RQD was introduced. Based on the modified blockiness index (MBi), the determination of the optimal threshold of generalised RQD was performed. In this work, 35 types of hypothetical three-dimensional joint network models were constructed,
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38

Xia, Lu, and Qingchun Yu. "Numerical Investigations of Blockiness of Fractured Rocks Based on Fracture Spacing and Disc Diameter." International Journal of Geomechanics 20, no. 3 (2020): 04020004. http://dx.doi.org/10.1061/(asce)gm.1943-5622.0001596.

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39

Winning, Hanne, Nanna Viereck, Lars Nørgaard, Jan Larsen, and Søren B. Engelsen. "Quantification of the degree of blockiness in pectins using 1H NMR spectroscopy and chemometrics." Food Hydrocolloids 21, no. 2 (2007): 256–66. http://dx.doi.org/10.1016/j.foodhyd.2006.03.017.

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40

Stepanenko, A. "Application of diffraction method for determining the dimensions of structural elements in polycrystalline gadoline." Bulletin of Science and Practice 5, no. 1 (2019): 11–17. https://doi.org/10.5281/zenodo.2539528.

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The size of the structural elements in polycrystalline materials formed during thermomechanical processing is one of the factors determining the physical and mechanical properties of metals and alloys. The formation of the crystallographic texture and the evolution of the blockiness of the crystal structure are still little studied in rare–earth metals. The article discusses the X-ray diffraction method for studying the mosaic crystallographic structure of gadolinium. Based on the analysis of the broadening of diffraction lines, the average size of coherent scattering regi
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41

Basonov, O. A., D. V. Petrov, and A. A. Kovaleva. "EXTERIOR AND CONSTITUTIONAL FEATURES OF FIRST-CALF HEIFERS OF BLACK-AND-WHITE CATTLE WITH DIFFERENT COMBINATIONS OF SELECTION." Vestnik of Ulyanovsk state agricultural academy 230 (September 25, 2021): 183–90. http://dx.doi.org/10.18286/1816-4501-2021-3-183-190.

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The development of dairy cattle breeding largely depends on the culture of young cattle breeding. It is very difficult to obtain and preserve young animals. Correct rearing of young cattle of dairy breeds contributes to the appropriate exhibition of genetically inherent productive abilities of animals during the first stage of their growth and development. When organizing breeding and feeding, animal growth and development characteristics are taken into account, which are determined by heredity and environmental conditions, especially feeding. The article provides a comparative analysis of the
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42

Katmakov, P. S., E. I. Anisimova, and A. V. Bushov. "EXTERIOR ASSESSMENT OF SERVICING BULLS OF SIMMENTAL BREED AND THEIR OFFERINGS." Vestnik of Ulyanovsk state agricultural academy 204, no. 2(58) (2022): 154–58. http://dx.doi.org/10.18286/1816-4501-2022-2-154-158.

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The studies were carried out in the breeding herd of purebred Simmental cattle of SPK Abodimovskiy of Saratov region, which is characterized by stable parametres of milk productivity. Methods generally accepted in zootechnics were used for the research. Exterior and constitution of the animals were assessed visually, as well as by taking main body measurements and calculating body build indexes. The paper presents results of assessment of purebred Simmental servicing bulls of milk-meat type, belonging to Florian 374 line, by exterior and constitution of the offspring. The estimated bulls have
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43

Gudymenko, Vitaliy V., and Roman F. Kapustin. "Linear growth and exterior features of bullcalves of different origin." Veterinariya, Zootekhniya i Biotekhnologiya 12/1, no. 121 (2023): 112–28. http://dx.doi.org/10.36871/vet.zoo.bio.202312212.

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Most body-built indices allow the most complete assessment of the animals’ constitutional type and the direction of productivity. It was found that the indices of lengthiness, blockiness, pelvic, thoracic, massiveness, boniness, meatiness increased with the age of animals, and legginess, complex, overgrowth tended to decrease. For the experiment, mature cowbanes of the Simmental, Limousin and Aubrac breeds, which met a set of traits not lower than the breed standard, were selected. The breeding stock females were artificially inseminated with semen from sires of the corresponding breeds. From
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44

Allebach, Jan P. "Nearest-neighbor and bilinear resampling factor estimation to detect blockiness or blurriness of an image." Journal of Electronic Imaging 17, no. 2 (2008): 023005. http://dx.doi.org/10.1117/1.2912053.

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45

Sanborn, Jon A., та Paul M. Lahti. "13C-NMR investigation of the blockiness of poly(para-xylylene α-tetrahydrothiophenium halide) polyelectrolyte formation". Designed Monomers and Polymers 3, № 3 (2000): 351–61. http://dx.doi.org/10.1163/156855500300160302.

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46

Ganesan, Venkat, N. Arun Kumar, and Victor Pryamitsyn. "Blockiness and Sequence Polydispersity Effects on the Phase Behavior and Interfacial Properties of Gradient Copolymers." Macromolecules 45, no. 15 (2012): 6281–97. http://dx.doi.org/10.1021/ma301136y.

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47

Shalamanov, Victor A., Sergey N. Shabaev, and Faruz Alama. "Recommendations for determining the thickness of the road pavement of technological roads built from coal-bearing rocks." E3S Web of Conferences 134 (2019): 01013. http://dx.doi.org/10.1051/e3sconf/201913401013.

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With open-pit mining method in Kuzbass is widely used automobile transport, transportation costs up to 70% of the cost of coal production. It is not economically feasible to use asphalt concrete and cement concrete as a material of temporary technological roads, and the use of crushed coal-bearing rocks will make it possible to increase the efficiency of coal mining by open method. Currently, the question of the application of the coal-bearing rocks for building temporary technological roads is poorly studied. The paper proposes a method of determining the thickness of road pavements of techno
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48

Ludu, Bair Mannaevna, and Baylak Kiimovna Kan-ool. "Economically useful traits of cattle, introduced into the Republic of Tyva." Agrarian Scientific Journal, no. 3 (March 18, 2024): 87–90. http://dx.doi.org/10.28983/asj.y2024i3pp87-90.

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This article presents the results of monitoring changes in live weight and measurements of Kalmyk cattle introduced into the Republic Tuva and provides comparative indicators with the Hereford breed. It was found out that in Kalmyk cows, after feeding, the live weight increased by 45 kg, in producer bulls by 47 kg, in bulls by 49 kg, respectively. Oblique length of the trunk increased by 12 cm, chest girth behind the shoulder blades – by 5 cm, height at the withers – by 3 cm. Comparative analysis showed that Herefords were superior to Kalmyk cows in such measurements as chest girth behind the
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49

Leszczuk, Mikołaj, Lucjan Janowski, Kais Rouis, Zdzisław Papir, and Jamal Bel Hadj Tahar. "Study of No-Reference Video Quality Metrics for HEVC Compression." Journal of Telecommunications and Information Technology, no. 1 (March 30, 2016): 22–28. http://dx.doi.org/10.26636/jtit.2016.1.700.

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The paper proposes a No-Reference (NR) quality assessment measurement originally developed for H.264, used for High Efficiency Video Coding (HEVC). In particular, authors present an investigation of NR metrics to objectively estimate the perceptual quality of a set of processed video sequences. The authors take into account typical distortions introduced by the block-based coding approaches like HEVC codec. The underlying processing used for the quality assessment considers the blockiness caused by the boundaries of each coded block and the blurring as a lack of spatial details. The correlatio
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50

Löfgren, Caroline, Stéphanie Guillotin, Hanne Evenbratt, Henk Schols, and Anne-Marie Hermansson. "Effects of Calcium, pH, and Blockiness on Kinetic Rheological Behavior and Microstructure of HM Pectin Gels." Biomacromolecules 6, no. 2 (2005): 646–52. http://dx.doi.org/10.1021/bm049619+.

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