Search Results for author: Saeed Anwar

Found 62 papers, 45 papers with code

PointDiffuse: A Dual-Conditional Diffusion Model for Enhanced Point Cloud Semantic Segmentation

no code implementations8 Mar 2025 Yong He, Hongshan Yu, Mingtao Feng, Tongjia Chen, Zechuan Li, Anwaar Ulhaq, Saeed Anwar, Ajmal Saeed Mian

Finally, we integrate the proposed noisy label embedding, point frequency transformer and denoising PointNet in our proposed dual conditional diffusion model-based network (PointDiffuse) to perform large-scale point cloud semantic segmentation.

Denoising Semantic Segmentation

A Lightweight Model for Perceptual Image Compression via Implicit Priors

no code implementations19 Feb 2025 Hao Wei, Yanhui Zhou, Yiwen Jia, Chenyang Ge, Saeed Anwar, Ajmal Mian

Perceptual image compression has shown strong potential for producing visually appealing results at low bitrates, surpassing classical standards and pixel-wise distortion-oriented neural methods.

Decoder Image Compression

RDD4D: 4D Attention-Guided Road Damage Detection And Classification

1 code implementation6 Jan 2025 Asma Alkalbani, Muhammad Saqib, Ahmed Salim Alrawahi, Abbas Anwar, Chandarnath Adak, Saeed Anwar

Moreover, we also provide results on the CrackTinyNet dataset; our model achieved around a 0. 21 increase in performance.

Road Damage Detection

NumGrad-Pull: Numerical Gradient Guided Tri-plane Representation for Surface Reconstruction from Point Clouds

1 code implementation26 Nov 2024 Ruikai Cui, Shi Qiu, Jiawei Liu, Saeed Anwar, Nick Barnes

Recent advancements address this problem by training neural signed distance functions to pull 3D location queries to their closest points on a surface, following the predicted signed distances and the analytical gradients computed by the network.

Surface Reconstruction

LoLI-Street: Benchmarking Low-Light Image Enhancement and Beyond

1 code implementation13 Oct 2024 MD Tanvir Islam, Inzamamul Alam, Simon S. Woo, Saeed Anwar, Ik Hyun Lee, Khan Muhammad

Leveraging the LoLI-Street dataset, we train and evaluate our TriFuse and SOTA models to benchmark on our dataset.

Autonomous Driving Benchmarking +5

Cefdet: Cognitive Effectiveness Network Based on Fuzzy Inference for Action Detection

1 code implementation8 Oct 2024 Zhe Luo, Weina Fu, Shuai Liu, Saeed Anwar, Muhammad Saqib, Sambit Bakshi, Khan Muhammad

FCM is combined with human action features to simulate the cognition-based detection process, which clearly locates the position of frames with cognitive abnormalities.

Action Detection

HazeSpace2M: A Dataset for Haze Aware Single Image Dehazing

1 code implementation25 Sep 2024 MD Tanvir Islam, Nasir Rahim, Saeed Anwar, Muhammad Saqib, Sambit Bakshi, Khan Muhammad

These results underscore the significance of HazeSpace2M and our proposed framework in addressing atmospheric haze in multimedia processing.

Benchmarking Image Dehazing +2

Attention Down-Sampling Transformer, Relative Ranking and Self-Consistency for Blind Image Quality Assessment

1 code implementation11 Sep 2024 Mohammed Alsaafin, Musab Alsheikh, Saeed Anwar, Muhammad Usman

The no-reference image quality assessment is a challenging domain that addresses estimating image quality without the original reference.

Blind Image Quality Assessment NR-IQA

AllWeatherNet:Unified Image Enhancement for Autonomous Driving under Adverse Weather and Lowlight-conditions

1 code implementation3 Sep 2024 Chenghao Qian, Mahdi Rezaei, Saeed Anwar, Wenjing Li, Tanveer Hussain, Mohsen Azarmi, Wei Wang

AllWeather-Net effectively transforms images into normal weather and daytime scenes, demonstrating superior image enhancement results and subsequently enhancing the performance of semantic segmentation, with up to a 5. 3% improvement in mIoU in the trained domain.

Autonomous Driving Deep Attention +3

DefAn: Definitive Answer Dataset for LLMs Hallucination Evaluation

1 code implementation13 Jun 2024 A B M Ashikur Rahman, Saeed Anwar, Muhammad Usman, Ajmal Mian

Prompt misalignment hallucination ranges from 6% to 95% in the public dataset and 17% to 94% in the hidden counterpart.

Benchmarking Hallucination +2

FSBI: Deepfakes Detection with Frequency Enhanced Self-Blended Images

1 code implementation12 Jun 2024 Ahmed Abul Hasanaath, Hamzah Luqman, Raed Katib, Saeed Anwar

Recently, several techniques have been proposed to differentiate deepfakes from realistic images and videos.

Face Swapping

Bird's-Eye View to Street-View: A Survey

no code implementations14 May 2024 Khawlah Bajbaa, Muhammad Usman, Saeed Anwar, Ibrahim Radwan, Abdul Bais

In recent years, street view imagery has grown to become one of the most important sources of geospatial data collection and urban analytics, which facilitates generating meaningful insights and assisting in decision-making.

Decision Making Survey

Deep Models for Multi-View 3D Object Recognition: A Review

no code implementations23 Apr 2024 Mona Alzahrani, Muhammad Usman, Salma Kammoun, Saeed Anwar, Tarek Helmy

We provide detailed information about existing deep learning-based and transformer-based multi-view 3D object recognition models, including the most commonly used 3D datasets, camera configurations and number of views, view selection strategies, pre-trained CNN architectures, fusion strategies, and recognition performance on 3D classification and 3D retrieval tasks.

3D Classification 3D Object Recognition +3

Improved Crop and Weed Detection with Diverse Data Ensemble Learning

no code implementations2 Oct 2023 Muhammad Hamza Asad, Saeed Anwar, Abdul Bais

We observe that including base models trained on other target crops and weeds can help generalize the model to capture varied field conditions.

Ensemble Learning Semantic Segmentation

A Comprehensive Overview of Large Language Models

1 code implementation12 Jul 2023 Humza Naveed, Asad Ullah Khan, Shi Qiu, Muhammad Saqib, Saeed Anwar, Muhammad Usman, Naveed Akhtar, Nick Barnes, Ajmal Mian

Large Language Models (LLMs) have recently demonstrated remarkable capabilities in natural language processing tasks and beyond.

Benchmarking

Slice Transformer and Self-supervised Learning for 6DoF Localization in 3D Point Cloud Maps

no code implementations21 Jan 2023 Muhammad Ibrahim, Naveed Akhtar, Saeed Anwar, Michael Wise, Ajmal Mian

We present a self-supervised learning method that employs Transformers for the first time for the task of outdoor localization using LiDAR data.

Autonomous Vehicles Outdoor Localization +1

PointCaM: Cut-and-Mix for Open-Set Point Cloud Learning

1 code implementation5 Dec 2022 Jie Hong, Shi Qiu, Weihao Li, Saeed Anwar, Mehrtash Harandi, Nick Barnes, Lars Petersson

Specifically, we use the Unknown-Point Simulator to simulate out-of-distribution data in the training stage by manipulating the geometric context of partial known data.

Energy-Based Residual Latent Transport for Unsupervised Point Cloud Completion

1 code implementation13 Nov 2022 Ruikai Cui, Shi Qiu, Saeed Anwar, Jing Zhang, Nick Barnes

Unsupervised point cloud completion aims to infer the whole geometry of a partial object observation without requiring partial-complete correspondence.

Decoder Point Cloud Completion

DRT: A Lightweight Single Image Deraining Recursive Transformer

1 code implementation25 Apr 2022 Yuanchu Liang, Saeed Anwar, Yang Liu

Over parameterization is a common technique in deep learning to help models learn and generalize sufficiently to the given task; nonetheless, this often leads to enormous network structures and consumes considerable computing resources during training.

Image Restoration Single Image Deraining

Visual Attention Methods in Deep Learning: An In-Depth Survey

no code implementations16 Apr 2022 Mohammed Hassanin, Saeed Anwar, Ibrahim Radwan, Fahad S Khan, Ajmal Mian

However, the literature lacks a comprehensive survey on attention techniques to guide researchers in employing attention in their deep models.

Deep Attention Deep Learning +1

Pyramidal Attention for Saliency Detection

1 code implementation14 Apr 2022 Tanveer Hussain, Abbas Anwar, Saeed Anwar, Lars Petersson, Sung Wook Baik

Consequently, we present a new SOD perspective of generating RGB-D SOD without acquiring depth data during training and testing and assist RGB methods with depth clues for improved performance.

Decoder object-detection +3

Vehicle and License Plate Recognition with Novel Dataset for Toll Collection

3 code implementations11 Feb 2022 Muhammad Usama, Hafeez Anwar, Abbas Anwar, Saeed Anwar

The best Mean Average Precision (mAP@0. 5) of 98. 8% for vehicle type recognition, 98. 5% for license plate detection, and 98. 3% for license plate reading is achieved by YOLOv4, while its lighter version, i. e., Tiny YOLOv4 obtained a mAP of 97. 1%, 97. 4%, and 93. 7% on vehicle type recognition, license plate detection, and license plate reading, respectively.

License Plate Detection License Plate Recognition +1

Image Dehazing Transformer With Transmission-Aware 3D Position Embedding

2 code implementations CVPR 2022 Chun-Le Guo, Qixin Yan, Saeed Anwar, Runmin Cong, Wenqi Ren, Chongyi Li

Though Transformer has occupied various computer vision tasks, directly leveraging Transformer for image dehazing is challenging: 1) it tends to result in ambiguous and coarse details that are undesired for image reconstruction; 2) previous position embedding of Transformer is provided in logic or spatial position order that neglects the variational haze densities, which results in the sub-optimal dehazing performance.

Image Dehazing Image Reconstruction +2

PU-Transformer: Point Cloud Upsampling Transformer

2 code implementations24 Nov 2021 Shi Qiu, Saeed Anwar, Nick Barnes

Given the rapid development of 3D scanners, point clouds are becoming popular in AI-driven machines.

point cloud upsampling

PnP-3D: A Plug-and-Play for 3D Point Clouds

1 code implementation16 Aug 2021 Shi Qiu, Saeed Anwar, Nick Barnes

With the help of the deep learning paradigm, many point cloud networks have been invented for visual analysis.

object-detection Object Detection +1

Investigating Attention Mechanism in 3D Point Cloud Object Detection

1 code implementation2 Aug 2021 Shi Qiu, Yunfan Wu, Saeed Anwar, Chongyi Li

Object detection in three-dimensional (3D) space attracts much interest from academia and industry since it is an essential task in AI-driven applications such as robotics, autonomous driving, and augmented reality.

Autonomous Driving Object +2

Survey: Image Mixing and Deleting for Data Augmentation

1 code implementation13 Jun 2021 Humza Naveed, Saeed Anwar, Munawar Hayat, Kashif Javed, Ajmal Mian

One such method is augmentation which introduces different types of corruption in the data to prevent the model from overfitting and to memorize patterns present in the data.

Image Augmentation Image Classification +3

Disentangling Noise from Images: A Flow-Based Image Denoising Neural Network

1 code implementation11 May 2021 Yang Liu, Saeed Anwar, Zhenyue Qin, Pan Ji, Sabrina Caldwell, Tom Gedeon

The prevalent convolutional neural network (CNN) based image denoising methods extract features of images to restore the clean ground truth, achieving high denoising accuracy.

Disentanglement Image Denoising

Fusing Higher-order Features in Graph Neural Networks for Skeleton-based Action Recognition

1 code implementation4 May 2021 Zhenyue Qin, Yang Liu, Pan Ji, Dongwoo Kim, Lei Wang, Bob McKay, Saeed Anwar, Tom Gedeon

Recent skeleton-based action recognition methods extract features from 3D joint coordinates as spatial-temporal cues, using these representations in a graph neural network for feature fusion to boost recognition performance.

Action Recognition Graph Neural Network +1

Underwater Image Enhancement via Medium Transmission-Guided Multi-Color Space Embedding

7 code implementations27 Apr 2021 Chongyi Li, Saeed Anwar, Junhui Hou, Runmin Cong, Chunle Guo, Wenqi Ren

As a result, our network can effectively improve the visual quality of underwater images by exploiting multiple color spaces embedding and the advantages of both physical model-based and learning-based methods.

Ranked #3 on Underwater Image Restoration on LSUI (using extra training data)

Decoder Diversity +2

Deep Learning Based 3D Segmentation: A Survey

no code implementations9 Mar 2021 Yong He, Hongshan Yu, Xiaoyan Liu, Zhengeng Yang, Wei Sun, Saeed Anwar, Ajmal Mian

3D segmentation is a fundamental and challenging problem in computer vision with applications in autonomous driving and robotics.

Autonomous Driving Deep Learning +4

Densely Deformable Efficient Salient Object Detection Network

1 code implementation12 Feb 2021 Tanveer Hussain, Saeed Anwar, Amin Ullah, Khan Muhammad, Sung Wook Baik

In this paper, inspired by the best background/foreground separation abilities of deformable convolutions, we employ them in our Densely Deformable Network (DDNet) to achieve efficient SOD.

Ranked #5 on RGB-D Salient Object Detection on SIP (Average MAE metric, using extra training data)

Object object-detection +4

Uncertainty Inspired RGB-D Saliency Detection

4 code implementations7 Sep 2020 Jing Zhang, Deng-Ping Fan, Yuchao Dai, Saeed Anwar, Fatemeh Saleh, Sadegh Aliakbarian, Nick Barnes

Our framework includes two main models: 1) a generator model, which maps the input image and latent variable to stochastic saliency prediction, and 2) an inference model, which gradually updates the latent variable by sampling it from the true or approximate posterior distribution.

Decoder RGB-D Salient Object Detection +2

Are Deep Neural Architectures Losing Information? Invertibility Is Indispensable

1 code implementation7 Sep 2020 Yang Liu, Zhenyue Qin, Saeed Anwar, Sabrina Caldwell, Tom Gedeon

Identifying the information lossless condition for deep neural architectures is important, because tasks such as image restoration require keep the detailed information of the input data as much as possible.

Image Denoising Image Inpainting +1

Image Colorization: A Survey and Dataset

1 code implementation25 Aug 2020 Saeed Anwar, Muhammad Tahir, Chongyi Li, Ajmal Mian, Fahad Shahbaz Khan, Abdul Wahab Muzaffar

Image colorization estimates RGB colors for grayscale images or video frames to improve their aesthetic and perceptual quality.

Benchmarking Colorization +2

Attention Based Real Image Restoration

no code implementations26 Apr 2020 Saeed Anwar, Nick Barnes, Lars Petersson

Furthermore, the evaluation in terms of quantitative metrics and visual quality for four restoration tasks i. e. Denoising, Super-resolution, Raindrop Removal, and JPEG Compression on 11 real degraded datasets against more than 30 state-of-the-art algorithms demonstrate the superiority of our R$^2$Net.

Denoising Image Restoration +3

Identity Enhanced Residual Image Denoising

1 code implementation26 Apr 2020 Saeed Anwar, Cong Phuoc Huynh, Fatih Porikli

We propose to learn a fully-convolutional network model that consists of a Chain of Identity Mapping Modules and residual on the residual architecture for image denoising.

Image Denoising

Mosaic Super-resolution via Sequential Feature Pyramid Networks

no code implementations15 Apr 2020 Mehrdad Shoeiby, Mohammad Ali Armin, Sadegh Aliakbarian, Saeed Anwar, Lars Petersson

Additionally, to the best of our knowledge, our method is the first specialized method to super-resolve mosaic images, whether it be multi-spectral or Bayer.

Astronomy Autonomous Driving +1

A Systematic Evaluation: Fine-Grained CNN vs. Traditional CNN Classifiers

1 code implementation24 Mar 2020 Saeed Anwar, Nick Barnes, Lars Petersson

In this work, we investigate the performance of the landmark general CNN classifiers, which presented top-notch results on large scale classification datasets, on the fine-grained datasets, and compare it against state-of-the-art fine-grained classifiers.

General Classification

Multi-FAN: Multi-Spectral Mosaic Super-Resolution Via Multi-Scale Feature Aggregation Network

no code implementations17 Sep 2019 Mehrdad Shoeiby, Sadegh Aliakbarian, Saeed Anwar, Lars Petersson

This mosaic image is then merged with the mosaic image generated by the SR network to produce a quantitatively superior image.

Super-Resolution

Deep Ancient Roman Republican Coin Classification via Feature Fusion and Attention

1 code implementation26 Aug 2019 Hafeez Anwar, Saeed Anwar, Sebastian Zambanini, Fatih Porikli

We perform the classification of ancient Roman Republican coins via recognizing their reverse motifs where various objects, faces, scenes, animals, and buildings are minted along with legends.

Classification General Classification

Diving Deeper into Underwater Image Enhancement: A Survey

no code implementations17 Jul 2019 Saeed Anwar, Chongyi Li

In this paper, our main aim is two-fold, 1): to provide a comprehensive and in-depth survey of the deep learning-based underwater image enhancement, which covers various perspectives ranging from algorithms to open issues, and 2): to conduct a qualitative and quantitative comparison of the deep algorithms on diverse datasets to serve as a benchmark, which has been barely explored before.

Image Enhancement Survey

Densely Residual Laplacian Super-Resolution

1 code implementation28 Jun 2019 Saeed Anwar, Nick Barnes

Super-Resolution convolutional neural networks have recently demonstrated high-quality restoration for single images.

Image Super-Resolution

Real Image Denoising with Feature Attention

3 code implementations ICCV 2019 Saeed Anwar, Nick Barnes

Deep convolutional neural networks perform better on images containing spatially invariant noise (synthetic noise); however, their performance is limited on real-noisy photographs and requires multiple stage network modeling.

Color Image Denoising Image Denoising

A Deep Journey into Super-resolution: A survey

2 code implementations16 Apr 2019 Saeed Anwar, Salman Khan, Nick Barnes

Deep convolutional networks based super-resolution is a fast-growing field with numerous practical applications.

Image Super-Resolution Survey

Deep Underwater Image Enhancement

2 code implementations10 Jul 2018 Saeed Anwar, Chongyi Li, Fatih Porikli

In an underwater scene, wavelength-dependent light absorption and scattering degrade the visibility of images, causing low contrast and distorted color casts.

Image Enhancement

Chaining Identity Mapping Modules for Image Denoising

no code implementations8 Dec 2017 Saeed Anwar, Cong Phouc Huynh, Fatih Porikli

We propose to learn a fully-convolutional network model that consists of a Chain of Identity Mapping Modules (CIMM) for image denoising.

Image Denoising

Class-Specific Image Deblurring

no code implementations ICCV 2015 Saeed Anwar, Cong Phuoc Huynh, Fatih Porikli

In image deblurring, a fundamental problem is that the blur kernel suppresses a number of spatial frequencies that are difficult to recover reliably.

Deblurring Image Deblurring

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