Results 31 to 40 of about 934,684 (307)

Improved visibility of palisade vessels within Barrett’s esophagus using red dichromatic imaging: a retrospective cross-sectional study in Japan [PDF]

Clinical Endoscopy
Background/Aims Visualization of palisade vessels (PVs) in Barrett’s esophagus is crucial for proper assessment. This study aimed to determine whether red dichromatic imaging (RDI) improves PV visibility compared with white-light imaging (WLI) and narrow-
Chise Ueda, Shinwa Tanaka, Tetsuya Yoshizaki, Hirofumi Abe, Masato Kinoshita, Hiroya Sakaguchi, Hiroshi Takayama, Hitomi Hori, Ryosuke Ishida, Shinya Houki, Hiroshi Tanabe, Eri Nishikawa, Madoka Takao, Toshitatsu Takao, Yoshinori Morita, Takashi Toyonaga, Yuzo Kodama   +16 more
doaj   +1 more source

Basic Properties of Tapes Containing Variable Amounts of Special Additive for Maintenance of Whiteness [PDF]

Materials Research, 2016
The present paper studies the effects of the additions between 3.00 and 7.00 wt% of additive Granic 422 instead of polypropylene on polymeric tapes properties as color difference, structure and tensile parameters.
Donatas Petrulis, Artūras Petravičius, Salvinija Petrulyte   +2 more
doaj   +1 more source

How Good Are RGB Cameras Retrieving Colors of Natural Scenes and Paintings?—A Study Based on Hyperspectral Imaging

Sensors, 2020
RGB digital cameras (RGB) compress the spectral information into a trichromatic system capable of approximately representing the actual colors of objects.
João M. M. Linhares, José A. R. Monteiro, Ana Bailão, Liliana Cardeira, Taisei Kondo, Shigeki Nakauchi, Marcello Picollo, Costanza Cucci, Andrea Casini, Lorenzo Stefani, Sérgio Miguel Cardoso Nascimento   +10 more
doaj   +1 more source

Matching the Color Difference Between Asphalt Mixture and Cement Grouting Paste Used in Semi-flexible Pavement

Frontiers in Materials, 2022
In order to match the color difference between black asphalt mixture and light-colored cement grouting paste in semiflexible pavement, carbon black (CB) with four mass ratios (i.e., 2, 4, 6, and 8%) was incorporated into a rapid-hardening cement grouting
Deng Haibin, Wang Shungui, Liu Yingchen, Du Yinfei, Wei Tangzhong   +4 more
doaj   +1 more source

Color fusion of magnetic resonance images improves intracranial volume measurement in studies of aging [PDF]

, 2012
Background: Comparison of intracranial volume (ICV) measurements in different subpopulations offers insightinto age-related atrophic change and pathological loss of neuronal tissue.
Deary, Ian J., Deary, Ian, Maniega, Susana Muñoz, Valdés Hernández, Maria del C., Royle, Natalie, Jackson, Michael, Bastin, Mark E., Penke, Lars, Munoz-Maniega, Susana; id_orcid, Valdes Hernandez, Maria, Wardlaw, Joanna, Jackson, Michael R., Bastin, Mark   +12 more
core   +1 more source

Color-difference evaluation for 3D objects [PDF]

, 2021
A psychophysical experiment using 3D printed samples was conducted to investigate the change of perceived color differences caused by two different illuminations and two 3D sample shapes.
Jiang, Lan, Xiao, K, Jiang, L, Sueeprasan, S, Melgosa Latorre, Manuel, Cui, G, Melgosa, M   +6 more
core   +1 more source

Effects of Frozen Storage Temperature on Water-Holding Capacity and Physicochemical Properties of Muscles in Different Parts of Bluefin Tuna

Foods, 2022
The effects of different freezing temperatures on the water-holding capacity and physicochemical properties of bluefin tuna were studied. The naked body, big belly and middle belly parts of bluefin tuna were stored at −18 °C and −55 °C for 180 days.
Jinfeng Wang, Hanwen Zhang, Jing Xie, Wenhui Yu, Yuyao Sun   +4 more
doaj   +1 more source

Optimizing Correction Factors on Color Differences for Automotive Painting Services

Sensors
Currently, the automotive sector is showing increased demands regarding the color of cars in general, but especially the quality and the time of painting, in particular.
Emilia Corina Corbu, Anne-Marie Nitescu, Eduard Edelhauser   +2 more
doaj   +1 more source

Variations in the Shades of Contemporary Dental Ceramics: An In Vitro Analysis

Crystals, 2021
Background: To identify and compare the shade variations of various commonly used esthetic dental ceramics by calculating their total-color-difference (ΔE) and translucency parameter (TP) using a spectrophotometer.
Syed Rashid Habib, Abdulaziz Saud Al Rashoud, Turki Ali Safhi, Abdulrahman Hamad Almajed, Hamad Ali Alnafisah, Salwa Omar Bajunaid, Abdulaziz S. Alqahtani, Mohammed Alqahtani   +7 more
doaj   +1 more source

Measuring color differences in gonioapparent materials used in the automotive industry [PDF]

, 2015
This paper illustrates how to design a visual experiment to measure color differences in gonioapparent materials and how to assess the merits of different advanced color-difference formulas trying to predict the results of such experiment.
Li, C., Perales, E., Martínez-Verdú, Francisco M., Cui, G., Gómez Robledo, Luis, Melgosa Latorre, Manuel, Perales, Esther, Perales Romero, Esther, Li, Changjun, Dauser, T., Dauser, Thomas, Martínez-Verdú, F. M.   +11 more
core   +1 more source