Archive

Visual Manipulation of 3D Objects for Robotic Service

Abstract Visual manipulation relies on understanding the 3D workspace at hand by recognizing and localizing 3D objects embedded in the scene. For the sake of manipulation, it further requires understanding local geometric features and their context regarding the 3D object […]

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Modelling the Scene Dependent Imaging in Cameras with a Deep Neural Network

Abstract We present a novel deep learning framework that models the scene dependent image processing inside cameras. Often called as the radiometric calibration, the process of recovering RAW images from processed images (JPEG format in the sRGB color space) is […]

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Computational Media: from Processing to Creation of Media Contents

Abstract Computational media refers to the analysis and creation of media contents with computer algorithms, such as photos, videos, VR/AR experiences and music. It encompasses several disciplines such as computer vision, machine learning and multimedia. Exploring the complementarity of these […]

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A Personal Journey into Computational Photography: Past, Current and Future

Abstract In this talk, I’ll briefly review our past research efforts on computational photography and showcase a few technologies that have been successfully released in Adobe products. I’ll then present our current effort on using deep learning approaches to take […]

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CO and CO2 Activation at a Single Nickel Center

Abstract Adduct formations of the 1st row transition metals with small molecules such as carbon monoxide and carbon dioxide are drawing much attention due to their importance in developing synthetic catalysts for various industrial processes. In our laboratory, a series […]

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Toward Artificial Photosynthesis: Photocatalytic Water Oxidation and CO2 Reduction

Abstract As a strategy to confront energy and environmental problems, artificial photosynthesis has been intensively investigated worldwide including photocatalytic water splitting (O2 and H2 evolution) and CO2 reduction. We have developed an efficient photocatalytic water oxidation system using a bis(m-hydroxo) […]

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Exploiting Excited-State Molecules

Abstract An excited state refers to the transient state that conveys energies greater than that of a state in equilibrium with surrounding media. Among various forms of excited states, electronically excited states are of significant importance because they are intimately […]

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Artificial Photosynthesis with Bioinorganic Catalysts

Abstract Artificial photosynthesis is the capture and conversion of light energy to drive the formation of fuels. In this talk, systems for artificial photosynthesis that incorporate biomolecular catalysts for the hydrogen evolution reaction will be presented. These systems are notable […]

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Computational Studies of Small Molecule Activation at Catalytic Sites in Biological and Non-Biological Environments

Abstract Small-molecule activation is an important goal of catalysis research with broad implications for addressing humankind’s grand challenges associated with energy production and healthcare. Computational chemistry can aid in identifying key factors that enable chemically challenging small-molecule activation reactions. Using […]

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Charge Transfer as Key Principles of C-H bond Activation and Cross Coupling

Abstract Metalloenzymes and metallocofactors in nature often demonstrate uniquely high efficiency that cannot be observed elsewhere. One example is C-H bond activation by non-heme iron enzymes; mononuclear and binuclear iron sites can utilize O2 to form high-valent intermediates that abstract […]

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