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Труды Института системного программирования РАН

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Современное состояние методов расчёта глобальной освещённости в задачах реалистичной компьютерной графики

https://doi.org/10.15514/ISPRAS-2021-33(2)-1

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Аннотация

Современная реалистичная компьютерная графика базируется на физически корректном моделировании распространения света. Одной из основных и трудно вычислимых задач при этом является расчет глобальной освещенности, т.е. распределения света в виртуальной сцене, учитывающий множественные отражения и рассеяния света и всевозможные виды взаимодействия его с объектами сцены. Этой проблеме посвящены сотни публикаций, описывающие десятки методов вычисления глобальной освещенности и их модификации. В данной обзорной статье мы бы хотели не просто перечислить и кратко описать эти методы, но и дать некоторую «карту» существующих работ, которая позволит читателю сориентироваться, понять их достоинства и недостатки и, тем самым, выбрать для себя подходящий базовый метод. Особое внимание уделяется таким характеристикам методов как надёжность и универсальность в отношении используемых моделей, прозрачность их верификации, возможность эффективной реализации на GPU, а также накладываемые на сцену или феномены освещённости ограничения. В отличие от существующих обзорных работ анализируется не только эффективность методов, но также их ограничения и сложность программной реализации. Кроме того, мы предоставляем результаты собственных численных экспериментов с различными методами, служащих иллюстрациями к выводам.

Об авторах

Владимир Александрович ФРОЛОВ
Институт прикладной математики им. М.В. Келдыша РАН, Московский государственный университет имени М.В. Ломоносова
Россия

Кандидат физико-математических наук, старший научный сотрудник ИПМ РАН, научный сотрудник факультета ВМК МГУ



Алексей Геннадьевич ВОЛОБОЙ
Институт прикладной математики им. М. В. Келдыша РАН
Россия

Ведущий научный сотрудник, доктор физико-математических наук, доцент



Сергей Валентинович ЕРШОВ
Институт прикладной математики им. М. В. Келдыша РАН
Россия

Кандидат физико-математических наук, старший научный сотрудник, доцент



Владимир Александрович ГАЛАКТИОНОВ
Институт прикладной математики им. М. В. Келдыша РАН
Россия

Главный научный сотрудник, доктор физико-математических наук, профессор



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Для цитирования:


ФРОЛОВ В.А., ВОЛОБОЙ А.Г., ЕРШОВ С.В., ГАЛАКТИОНОВ В.А. Современное состояние методов расчёта глобальной освещённости в задачах реалистичной компьютерной графики. Труды Института системного программирования РАН. 2021;33(2):7-48. https://doi.org/10.15514/ISPRAS-2021-33(2)-1

For citation:


FROLOV V., VOLOBOY A.G., ERSHOV S.V., GALAKTIONOV V.A. The current state of the methods for calculating global illumination in tasks of realistic computer graphics. Proceedings of the Institute for System Programming of the RAS (Proceedings of ISP RAS). 2021;33(2):7-48. (In Russ.) https://doi.org/10.15514/ISPRAS-2021-33(2)-1

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ISSN 2079-8156 (Print)
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