| Records |
| Author |
Patricia Suarez; Dario Carpio; Angel Sappa |
| Title |
Non-homogeneous Haze Removal Through a Multiple Attention Module Architecture |
Type |
Conference Article |
| Year |
2021 |
Publication  |
16th International Symposium on Visual Computing |
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| Volume |
13018 |
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Pages |
178–190 |
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| Abstract |
This paper presents a novel attention based architecture to remove non-homogeneous haze. The proposed model is focused on obtaining the most representative characteristics of the image, at each learning cycle, by means of adaptive attention modules coupled with a residual learning convolutional network. The latter is based on the Res2Net model. The proposed architecture is trained with just a few set of images. Its performance is evaluated on a public benchmark—images from the non-homogeneous haze NTIRE 2021 challenge—and compared with state of the art approaches reaching the best result. |
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Virtual; October 2021 |
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Admin @ si @ SCS2021 |
Serial |
3668 |
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| Author |
Patricia Suarez; Dario Carpio; Angel Sappa |
| Title |
Depth Map Estimation from a Single 2D Image |
Type |
Conference Article |
| Year |
2023 |
Publication |
17th International Conference on Signal-Image Technology & Internet-Based Systems |
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Pages |
347-353 |
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This paper presents an innovative architecture based on a Cycle Generative Adversarial Network (CycleGAN) for the synthesis of high-quality depth maps from monocular images. The proposed architecture leverages a diverse set of loss functions, including cycle consistency, contrastive, identity, and least square losses, to facilitate the generation of depth maps that exhibit realism and high fidelity. A notable feature of the approach is its ability to synthesize depth maps from grayscale images without the need for paired training data. Extensive comparisons with different state-of-the-art methods show the superiority of the proposed approach in both quantitative metrics and visual quality. This work addresses the challenge of depth map synthesis and offers significant advancements in the field. |
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Admin @ si @ SCS2023b |
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4009 |
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| Author |
Patricia Suarez; Dario Carpio; Angel Sappa |
| Title |
Boosting Guided Super-Resolution Performance with Synthesized Images |
Type |
Conference Article |
| Year |
2023 |
Publication |
17th International Conference on Signal-Image Technology & Internet-Based Systems |
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Pages |
189-195 |
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Guided image processing techniques are widely used for extracting information from a guiding image to aid in the processing of the guided one. These images may be sourced from different modalities, such as 2D and 3D, or different spectral bands, like visible and infrared. In the case of guided cross-spectral super-resolution, features from the two modal images are extracted and efficiently merged to migrate guidance information from one image, usually high-resolution (HR), toward the guided one, usually low-resolution (LR). Different approaches have been recently proposed focusing on the development of architectures for feature extraction and merging in the cross-spectral domains, but none of them care about the different nature of the given images. This paper focuses on the specific problem of guided thermal image super-resolution, where an LR thermal image is enhanced by an HR visible spectrum image. To improve existing guided super-resolution techniques, a novel scheme is proposed that maps the original guiding information to a thermal image-like representation that is similar to the output. Experimental results evaluating five different approaches demonstrate that the best results are achieved when the guiding and guided images share the same domain. |
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no |
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Admin @ si @ SCS2023c |
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4011 |
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| Author |
Patricia Suarez; Dario Carpio; Angel Sappa |
| Title |
A Deep Learning Based Approach for Synthesizing Realistic Depth Maps |
Type |
Conference Article |
| Year |
2023 |
Publication |
22nd International Conference on Image Analysis and Processing |
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| Volume |
14234 |
Issue |
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Pages |
369–380 |
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This paper presents a novel cycle generative adversarial network (CycleGAN) architecture for synthesizing high-quality depth maps from a given monocular image. The proposed architecture uses multiple loss functions, including cycle consistency, contrastive, identity, and least square losses, to enable the generation of realistic and high-fidelity depth maps. The proposed approach addresses this challenge by synthesizing depth maps from RGB images without requiring paired training data. Comparisons with several state-of-the-art approaches are provided showing the proposed approach overcome other approaches both in terms of quantitative metrics and visual quality. |
| Address |
Udine; Italia; Setember 2023 |
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LNCS |
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ICIAP |
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MSIAU |
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no |
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Admin @ si @ SCS2023a |
Serial |
3968 |
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| Author |
Patricia Suarez; Dario Carpio; Angel Sappa |
| Title |
Enhancement of guided thermal image super-resolution approaches |
Type |
Journal Article |
| Year |
2024 |
Publication |
Neurocomputing |
Abbreviated Journal |
NEUCOM |
| Volume |
573 |
Issue |
127197 |
Pages |
1-17 |
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Guided image processing techniques are widely used to extract meaningful information from a guiding image and facilitate the enhancement of the guided one. This paper specifically addresses the challenge of guided thermal image super-resolution, where a low-resolution thermal image is enhanced using a high-resolution visible spectrum image. We propose a new strategy that enhances outcomes from current guided super-resolution methods. This is achieved by transforming the initial guiding data into a representation resembling a thermal-like image, which is more closely in sync with the intended output. Experimental results with upscale factors of 8 and 16, demonstrate the outstanding performance of our approach in guided thermal image super-resolution obtained by mapping the original guiding information to a thermal-like image representation. |
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MSIAU |
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Admin @ si @ SCS2024 |
Serial |
3998 |
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