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Browsing by Author Ma, Thi Chau

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  • Conference Paper

  • Compression Artifacts Image Patch database for Perceptual Quality Assessment

    • Authors: Pham, Thanh Tung; Ma, Thi Chau; Nguyen, Manh Tuan; Le, Dinh Linh; Le, Thanh Ha (2020)

  • Ground truth is one of the most important component for training, testing, and benchmarking algorithms for objective quality assessment In this paper, we propose an image patch quality database with compression artifacts. We create a new database of image patches with High Efficiency Video Coding (HEVC) compression artifacts. Then, the subjective test is conducted in a controlled environment to obtain the ground truth of image patch quality, where we collect differential mean opinion scores (DMOS) from a larger amount of observers. Finally, the rank order correlation factors between DMOS and a set of popular image quality metrics are calculated and presented. The proposed database is ...
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  • Article

  • A process of building 3D models from images

    • Authors: Bui, The Duy; Ma, Thi Chau (2007)

  • Recently, a number of new technologies to capture 3D data have been developed. The application potential of 3D models is enormous, such as, in education, entertaiment, medicine, etc. In this paper, we present our work toward creating 3D model of free form objects from pair of images. We use the basic process of building 3D models proposed in Multiple View Geometry in Computer Vision by Richard Harlley and Andrew Zisserman which includes three main phases: Preprocessing, Matching, Depth Recovery

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Browsing by Author Ma, Thi Chau

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 3 of 3
  • item.jpg
  • Conference Paper

  • Compression Artifacts Image Patch database for Perceptual Quality Assessment

    • Authors: Pham, Thanh Tung; Ma, Thi Chau; Nguyen, Manh Tuan; Le, Dinh Linh; Le, Thanh Ha (2020)

  • Ground truth is one of the most important component for training, testing, and benchmarking algorithms for objective quality assessment In this paper, we propose an image patch quality database with compression artifacts. We create a new database of image patches with High Efficiency Video Coding (HEVC) compression artifacts. Then, the subjective test is conducted in a controlled environment to obtain the ground truth of image patch quality, where we collect differential mean opinion scores (DMOS) from a larger amount of observers. Finally, the rank order correlation factors between DMOS and a set of popular image quality metrics are calculated and presented. The proposed database is ...
  • 167.pdf.jpg
  • Article

  • A process of building 3D models from images

    • Authors: Bui, The Duy; Ma, Thi Chau (2007)

  • Recently, a number of new technologies to capture 3D data have been developed. The application potential of 3D models is enormous, such as, in education, entertaiment, medicine, etc. In this paper, we present our work toward creating 3D model of free form objects from pair of images. We use the basic process of building 3D models proposed in Multiple View Geometry in Computer Vision by Richard Harlley and Andrew Zisserman which includes three main phases: Preprocessing, Matching, Depth Recovery