Evaluating Test Image Quality as a Function of illumation [PDF]
The optical imaging systems, do not give a perfect and ideal image. Butmostly give images with limited resolutions i.e. give images with blur edges. Thisblurring attributed to two main reasons.
doaj +1 more source
Inheritance of coat colour in Slovak Pinzgau cattle [PDF]
The objective of the work was analysis of chestnut coat colour inheritance of Slovak Pinzgau cattle in accordance to age and farming system. In 304 cows of breeding groups P0,P1,P2 and R3 born between 2000 to 2010 from four breeding herds (4 agricultural
Radovan Kasarda +4 more
doaj +1 more source
Visual computation of surface lightness: Local contrast vs. frames of reference [PDF]
Seeing black, white and gray surfaces, called lightness perception, might seem simple because white surfaces reflect 90% of the light they receive while black surfaces reflect only 3%, and the human retina is composed of light sensitive cells.
Alan Gilchrist, Ana Radonjic
core +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Chemical Characteristics, and Effect of Inulin Extracted from Artichoke (Cynara scolymus L.) Root on Biochemical Properties of Synbiotic Yogurt at the End of Fermentation [PDF]
The aim of this study was to produce synbiotic yogurt using different inulin levels (0, 1 and 2%) and probiotic bacteria. Inulin in two forms commercial and extracted from artichoke root was prepared, and chemical and sensory evaluation were performed ...
Jalal Ehsani +3 more
doaj
Separate effects of background and illumination on lightness [PDF]
Four experiments attempted to establish an effect of context on lightness. Lightness is one of the dimensions of color and it varies from black to white. Most of our stimuli were inspired by simultaneous lightness contrast illusion. First two experiments
Zdravković Sunčica
doaj +1 more source
Mapping the evolution of mitochondrial complex I through structural variation
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
wiley +1 more source
Luminance gradient configuration determines perceived lightness in a simple geometric illusion
Accurate perception of surface reflectance poses a significant computational problem for the visual system. The amount of light reflected by a surface is affected by a combination of factors including the surface’s reflectance properties and illumination
Maria ePereverzeva, Scott O. Murray
doaj +1 more source
A Neural Network Model of 3-D Lightness Perception [PDF]
A neural network model of 3-D lightness perception is presented which builds upon the FACADE Theory Boundary Contour System/Feature Contour System of Grossberg and colleagues.
Pessoa, Luiz, Ross, William
core +1 more source
Solar sail orbits at artificial Sun-Earth libration points [PDF]
In this Note a new family of solar sail orbits will be investigated in the sun-Earth circular restricted three-body problem. It will be shown that periodic orbits can be developed that are displaced above or below the plane of the restricted three-body ...
Colin R. McInnes +2 more
core +1 more source

