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Author: Marcelo Bertalmío
Publisher: Academic Press
ISBN: 0128138955
Category : Computers
Languages : en
Pages : 326
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Book Description
To enhance the overall viewing experience (for cinema, TV, games, AR/VR) the media industry is continuously striving to improve image quality. Currently the emphasis is on High Dynamic Range (HDR) and Wide Colour Gamut (WCG) technologies, which yield images with greater contrast and more vivid colours. The uptake of these technologies, however, has been hampered by the significant challenge of understanding the science behind visual perception. Vision Models for High Dynamic Range and Wide Colour Gamut Imaging provides university researchers and graduate students in computer science, computer engineering, vision science, as well as industry R&D engineers, an insight into the science and methods for HDR and WCG. It presents the underlying principles and latest practical methods in a detailed and accessible way, highlighting how the use of vision models is a key element of all state-of-the-art methods for these emerging technologies. - Presents the underlying vision science principles and models that are essential to the emerging technologies of HDR and WCG - Explores state-of-the-art techniques for tone and gamut mapping - Discusses open challenges and future directions of HDR and WCG research
Author: Marcelo Bertalmío
Publisher: Academic Press
ISBN: 0128138955
Category : Computers
Languages : en
Pages : 326
Get Book Here
Book Description
To enhance the overall viewing experience (for cinema, TV, games, AR/VR) the media industry is continuously striving to improve image quality. Currently the emphasis is on High Dynamic Range (HDR) and Wide Colour Gamut (WCG) technologies, which yield images with greater contrast and more vivid colours. The uptake of these technologies, however, has been hampered by the significant challenge of understanding the science behind visual perception. Vision Models for High Dynamic Range and Wide Colour Gamut Imaging provides university researchers and graduate students in computer science, computer engineering, vision science, as well as industry R&D engineers, an insight into the science and methods for HDR and WCG. It presents the underlying principles and latest practical methods in a detailed and accessible way, highlighting how the use of vision models is a key element of all state-of-the-art methods for these emerging technologies. - Presents the underlying vision science principles and models that are essential to the emerging technologies of HDR and WCG - Explores state-of-the-art techniques for tone and gamut mapping - Discusses open challenges and future directions of HDR and WCG research
Author: Isaac Lidsky
Publisher: National Geographic Books
ISBN: 0143129570
Category : Business & Economics
Languages : en
Pages : 0
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Book Description
In this New York Times bestseller, Isaac Lidsky draws on his experience of achieving immense success, joy, and fulfillment while losing his sight to a blinding disease to show us that it isn’t external circumstances, but how we perceive and respond to them, that governs our reality. Fear has a tendency to give us tunnel vision—we fill the unknown with our worst imaginings and cling to what’s familiar. But when confronted with new challenges, we need to think more broadly and adapt. When Isaac Lidsky learned that he was beginning to go blind at age thirteen, eventually losing his sight entirely by the time he was twenty-five, he initially thought that blindness would mean an end to his early success and his hopes for the future. Paradoxically, losing his sight gave him the vision to take responsibility for his reality and thrive. Lidsky graduated from Harvard College at age nineteen, served as a Supreme Court law clerk, fathered four children, and turned a failing construction subcontractor into a highly profitable business. Whether we’re blind or not, our vision is limited by our past experiences, biases, and emotions. Lidsky shows us how we can overcome paralyzing fears, avoid falling prey to our own assumptions and faulty leaps of logic, silence our inner critic, harness our strength, and live with open hearts and minds. In sharing his hard-won insights, Lidsky shows us how we too can confront life's trials with initiative, humor, and grace.
Author: Dr. Bijendra Singh, Prof. (Dr.) Kanchan Joshi, Dr. Surendra Prasad Rayal, Dr. Anil Thapliyal, Dr. Savita Pravin Patil
Publisher: One Align Publisher
ISBN: 9395970596
Category : Health & Fitness
Languages : en
Pages : 350
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Book Description
"Welcome to Wide Vision, a journey of self-discovery and transformation. In today's fast-paced world, it's easy to get caught up in the status quo and lose sight of our true potential. But what if you could break free from limitations and unlock a more fulfilling life? This book is an invitation to explore the depths of your own potential, to challenge assumptions, and to embrace a wider vision for yourself. Through a combination of inspiring stories, practical exercises, and profound insights, you'll embark on a transformative journey that will help you: Develop a deeper understanding of yourself and your place in the world Cultivate resilience, confidence, and purpose Break through obstacles and limitations that hold you back Discover new perspectives and opportunities for growth Embrace your true potential and live a more authentic, meaningful life
Author: Susan R. Barry
Publisher: Basic Books
ISBN: 078674474X
Category : Science
Languages : en
Pages : 225
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Book Description
A revelatory account of the brain's capacity for change When neuroscientist Susan Barry was fifty years old, she experienced the sense of immersion in a three dimensional world for the first time. Skyscrapers on street corners appeared to loom out toward her like the bows of giant ships. Tree branches projected upward and outward, enclosing and commanding palpable volumes of space. Leaves created intricate mosaics in 3D. Barry had been cross-eyed and stereoblind since early infancy. After half a century of perceiving her surroundings as flat and compressed, on that day she saw the city of Manhattan in stereo depth for first time in her life. As a neuroscientist, she understood just how extraordinary this transformation was, not only for herself but for the scientific understanding of the human brain. Scientists have long believed that the brain is malleable only during a "critical period" in early childhood. According to this theory, Barry's brain had organized itself when she was a baby to avoid double vision - and there was no way to rewire it as an adult. But Barry found an optometrist who prescribed a little-known program of vision therapy; after intensive training, Barry was ultimately able to accomplish what other scientists and even she herself had once considered impossible. Dubbed "Stereo Sue" by renowned neurologist Oliver Sacks, Susan Barry tells her own remarkable journey and celebrates the joyous pleasure of our senses.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309439981
Category : Medical
Languages : en
Pages : 587
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Book Description
The ability to see deeply affects how human beings perceive and interpret the world around them. For most people, eyesight is part of everyday communication, social activities, educational and professional pursuits, the care of others, and the maintenance of personal health, independence, and mobility. Functioning eyes and vision system can reduce an adult's risk of chronic health conditions, death, falls and injuries, social isolation, depression, and other psychological problems. In children, properly maintained eye and vision health contributes to a child's social development, academic achievement, and better health across the lifespan. The public generally recognizes its reliance on sight and fears its loss, but emphasis on eye and vision health, in general, has not been integrated into daily life to the same extent as other health promotion activities, such as teeth brushing; hand washing; physical and mental exercise; and various injury prevention behaviors. A larger population health approach is needed to engage a wide range of stakeholders in coordinated efforts that can sustain the scope of behavior change. The shaping of socioeconomic environments can eventually lead to new social norms that promote eye and vision health. Making Eye Health a Population Health Imperative: Vision for Tomorrow proposes a new population-centered framework to guide action and coordination among various, and sometimes competing, stakeholders in pursuit of improved eye and vision health and health equity in the United States. Building on the momentum of previous public health efforts, this report also introduces a model for action that highlights different levels of prevention activities across a range of stakeholders and provides specific examples of how population health strategies can be translated into cohesive areas for action at federal, state, and local levels.
Author: Daniel Martinez HoSang
Publisher: Univ of California Press
ISBN: 0520974190
Category : History
Languages : en
Pages : 224
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Book Description
A sweeping history of transformative, radical, and abolitionist movements in the United States that places the struggle for racial justice at the center of universal liberation. In Where Do We Go From Here? (1967), Dr. Martin Luther King, Jr., described racism as "a philosophy based on a contempt for life," a totalizing social theory that could only be confronted with an equally massive response, by "restructuring the whole of American society." A Wider Type of Freedom provides a survey of the truly transformative visions of racial justice in the United States, an often-hidden history that has produced conceptions of freedom and interdependence never envisioned in the nation's dominant political framework. A Wider Type of Freedom brings together stories of the social movements, intellectuals, artists, and cultural formations that have centered racial justice and the abolition of white supremacy as the foundation for a universal liberation. Daniel Martinez HoSang taps into moments across time and place to reveal the longstanding drive toward a vision of universal emancipation. From the nineteenth century's abolition democracy and the struggle to end forced sterilizations, to the twentieth century's domestic worker organizing campaigns, to the twenty-first century's environmental justice movement, he reveals a bold, shared desire to realize the antithesis of "a philosophy based on a contempt for life," as articulated by Martin Luther King Jr. Rather than seeking "equal rights" within failed systems, these efforts generated new visions that embraced human difference, vulnerability, and interdependence as core productive facets of our collective experience.
Author: Montgomery Ward
Publisher:
ISBN:
Category : Commercial catalogs
Languages : en
Pages : 608
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Book Description
Author: Catarina Frois
Publisher: Berghahn Books
ISBN: 1782380248
Category : Social Science
Languages : en
Pages : 176
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Book Description
In Portugal between 2005 and 2010, “modernization through technology” was the major political motto used to develop and improve the country’s peripheral and backward condition. This study reflects on one of the resulting, specific aspects of this trend—the implementation of public video surveillance. The in-depth ethnography provides evidence of how the political construction of security and surveillance as a strategic program actually conceals intricate institutional relationships between political decision-makers and common citizens. Essentially, the detailed account of the major actors, as well as their roles and motivations, serves to explain phenomena such as the confusion between objective data and subjective perceptions or the lack of communication between parties, which as this study argues, underlies the idiosyncrasies and fragilities of Portugal’s still relatively young democratic system.
Author: Robert L. Dorman
Publisher: University of Arizona Press
ISBN: 0816599432
Category : Literary Criticism
Languages : en
Pages : 272
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Book Description
The American West has taken on a rich and evocative array of regional identities since the late nineteenth century. Wilderness wonderland, Hispanic borderland, homesteader’s frontier, cattle kingdom, urban dynamo, Native American homeland. Hell of a Vision explores the evolution of these diverse identities during the twentieth century, revealing how Western regionalism has been defined by generations of people seeking to understand the West’s vast landscapes and varied cultures. Focusing on the American West from the 1890s up to the present, Dorman provides us with a wide-ranging view of the impact of regionalist ideas in pop culture and diverse fields such as geography, land-use planning, anthropology, journalism, and environmental policy-making. Going well beyond the realm of literature, Dorman broadens the discussion by examining a unique mix of texts. He looks at major novelists such as Cather, Steinbeck, and Stegner, as well as leading Native American writers. But he also analyzes a variety of nonliterary sources in his book, such as government reports, planning documents, and environmental impact studies. Hell of a Vision is a compelling journey through the modern history of the American West—a key region in the nation of regions known as the United States.
Author: David Marr
Publisher: MIT Press
ISBN: 0262514621
Category : Psychology
Languages : en
Pages : 429
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Book Description
Available again, an influential book that offers a framework for understanding visual perception and considers fundamental questions about the brain and its functions. David Marr's posthumously published Vision (1982) influenced a generation of brain and cognitive scientists, inspiring many to enter the field. In Vision, Marr describes a general framework for understanding visual perception and touches on broader questions about how the brain and its functions can be studied and understood. Researchers from a range of brain and cognitive sciences have long valued Marr's creativity, intellectual power, and ability to integrate insights and data from neuroscience, psychology, and computation. This MIT Press edition makes Marr's influential work available to a new generation of students and scientists. In Marr's framework, the process of vision constructs a set of representations, starting from a description of the input image and culminating with a description of three-dimensional objects in the surrounding environment. A central theme, and one that has had far-reaching influence in both neuroscience and cognitive science, is the notion of different levels of analysis—in Marr's framework, the computational level, the algorithmic level, and the hardware implementation level. Now, thirty years later, the main problems that occupied Marr remain fundamental open problems in the study of perception. Vision provides inspiration for the continuing efforts to integrate knowledge from cognition and computation to understand vision and the brain.
