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2,479 results on '"Seidel, H"'

9. Thyroid Hormones, Insulin, Body Fat, and Blood Biochemistry Indices in Dairy Cows During the Reproduction/Production Cycle

Author

Paulíková I., Seidel H., Nagy O., Tóthová Cs., Konvičná J., Kadaši M., and Kováč G.

Subjects
body fat volume, dairy cows, insulin, negative energy balance, thyroid, Veterinary medicine, SF600-1100
Abstract

This study investigated the changes in: thyroid hormones, amount of subcutaneous fat, and selected indices of blood biochemistry in dairy cows in relation to the reproduction/production cycle. The blood samples were collected both ante- and post-partum every two weeks. When evaluating the mean values of the investigated indices, the major changes were recorded in dairy cows 3 to 14 days after calving. During this period, we observed a significant decrease in the mean serum levels of T3 (P < 0.05), T4 (P < 0.01), and triglycerides (P < 0.01). An opposite trend was observed with a significant increase after calving in the: mean serum levels of β-hydroxybutyrate (P < 0.05), urea (P < 0.01), and mean AST activities (P < 0.05). A significant increase over the normal range was recorded in the average levels of non-esterified fatty acids (P < 0.01) and total bilirubin (P < 0.01). From the next sampling (28 days after calving) onwards we recorded a significant increase in the blood serum levels of cholesterol (P < 0.01), total lipids (P < 0.01), total protein (P < 0.01), as well as a significant decrease in the insulin levels (P < 0.05) and a reduced layer of subcutaneous fat (P < 0.01). The blood serum iodine concentration showed only slight significant changes (P < 0.05) during the observation. Blood serum levels of glucose did not show any significant changes during the whole observation period. Within the whole observation period we found a negative correlation between T3 levels and the layer of subcutaneous fat (r = −0.2606; P < 0.05). This correlation was much more marked in cows 3 to 14 days after calving (r = −0.5077; P < 0.05), which may indicate a possible relationships between the thyroid status, body condition, and post partum negative energy balance.

Published
2017
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10. Mixed integer neural inverse design

Author

Ansari, N., Seidel, H., and Babaei, V.

Subjects
FOS: Computer and information sciences, Computer Science - Machine Learning, Computer Science - Graphics, Computer Graphics and Computer-Aided Design, Graphics (cs.GR), Machine Learning (cs.LG)
Abstract

In computational design and fabrication, neural networks are becoming important surrogates for bulky forward simulations. A long-standing, intertwined question is that of inverse design: how to compute a design that satisfies a desired target performance? Here, we show that the piecewise linear property, very common in everyday neural networks, allows for an inverse design formulation based on mixed-integer linear programming. Our mixed-integer inverse design uncovers globally optimal or near optimal solutions in a principled manner. Furthermore, our method significantly facilitates emerging, but challenging, combinatorial inverse design tasks, such as material selection. For problems where finding the optimal solution is intractable, we develop an efficient yet near-optimal hybrid approach. Eventually, our method is able to find solutions provably robust to possible fabrication perturbations among multiple designs with similar performances. Our code and data are available at https://gitlab.mpi-klsb.mpg.de/nansari/mixed-integer-neural-inverse-design.

Published
2022
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13. Atlas of Clinical Cases

Author

Boriani, S., Pascarella, R., Taglang, G., Lefèvre, C., Le Nen, D., Seidel, H., Kempf, I., editor, Leung, K. S., editor, Grosse, A., editor, Haarman, H. J. T. M., editor, Seidel, H., editor, and Taglang, G., editor

Published
2002
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14. Introduction

Author

Kempf, I., Seidel, H., Kempf, I., editor, Leung, K. S., editor, Grosse, A., editor, Haarman, H. J. T. M., editor, Seidel, H., editor, and Taglang, G., editor

Published
2002
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15. Humeral Fractures

Author

Seidel, H., Kempf, I., editor, Leung, K. S., editor, Grosse, A., editor, Haarman, H. J. T. M., editor, Seidel, H., editor, and Taglang, G., editor

Published
2002
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16. Feature-Based Multi-video Synchronization with Subframe Accuracy

Author

Elhayek, A., Stoll, C., Kim, K. I., Seidel, H. -P., Theobalt, C., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Pinz, Axel, editor, Pock, Thomas, editor, Bischof, Horst, editor, and Leberl, Franz, editor

Published
2012
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18. Gloss management for consistent reproduction of real and virtual objects

Author

Chen, B., Piovarči, M., Wang, C., Seidel, H., Didyk, P., Myszkowski, K., and Serrano, A.

Abstract

A good match of material appearance between real-world objects and their digital on-screen representations is critical for many applications such as fabrication, design, and e-commerce. However, faithful appearance reproduction is challenging, especially for complex phenomena, such as gloss. In most cases, the view-dependent nature of gloss and the range of luminance values required for reproducing glossy materials exceeds the current capabilities of display devices. As a result, appearance reproduction poses significant problems even with accurately rendered images. This paper studies the gap between the gloss perceived from real-world objects and their digital counterparts. Based on our psychophysical experiments on a wide range of 3D printed samples and their corresponding photographs, we derive insights on the influence of geometry, illumination, and the display’s brightness and measure the change in gloss appearance due to the display limitations. Our evaluation experiments demonstrate that using the prediction to correct material parameters in a rendering system improves the match of gloss appearance between real objects and their visualization on a display device.

Published
2022
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19. Antikoagulation

Author

Alban, S., Nowak, G., Seidel, H., Watzka, M., Oldenburg, J., Pötzsch, Bernd, editor, and Madlener, Katharina, editor

Published
2010
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21. Modeling and Tracking Line-Constrained Mechanical Systems

Author

Rosenhahn, B., Brox, T., Cremers, D., Seidel, H. -P., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Sommer, Gerald, editor, and Klette, Reinhard, editor

Published
2008
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22. Proximal Humeral Fractures

Author

Seidel, H., Leung, Kwok-Sui, editor, Taglang, Gilbert, editor, Schnettler, Reinhard, editor, Alt, Volker, editor, Haarman, H. J. T. M., editor, Seidel, Hartmut, editor, and Kempf, Ivan, editor

Published
2006
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39. Targeting Wnt-driven cancer through the inhibition of Porcupine by LGK974

Author

Liu, Jun, Pan, Shifeng, Hsieh, Mindy H., Ng, Nicholas, Sun, Fangxian, Wang, Tao, Kasibhatla, Shailaja, Schuller, Alwin G., Li, Allen G., Cheng, Dai, Li, Jie, Tompkins, Celin, Pferdekamper, AnneMarie, Steffy, Auzon, Cheng, Jane, Kowal, Colleen, Van Phung, Guo, Guirong, Wang, Yan, Graham, Martin P., Flynn, Shannon, Brenner, J. Chad, Li, Chun, Villarroel, M. Cristina, Schultz, Peter G., Xu Wu, McNamara, Peter, Sellers, William R., Petruzzelli, Lilli, Boral, Anthony L., Seidel, H. Martin, McLaughlin, Margaret E., Che, Jianwei, Carey, Thomas E., Vanasse, Gary, and Harris, Jennifer L.

Published
2013

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