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For the goal of automated design of high-performance deep convolutional neural networks (CNNs), Neural Architecture Search (NAS) methodology is becoming increasingly important for both academia and industries.Due to the costly stochastic…

Machine Learning · Computer Science 2021-10-12 Shengran Hu , Ran Cheng , Cheng He , Zhichao Lu , Jing Wang , Miao Zhang

Open-world object detection (OWOD) is a challenging computer vision problem, where the task is to detect a known set of object categories while simultaneously identifying unknown objects. Additionally, the model must incrementally learn new…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Akshita Gupta , Sanath Narayan , K J Joseph , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

Conventional training of a deep CNN based object detector demands a large number of bounding box annotations, which may be unavailable for rare categories. In this work we develop a few-shot object detector that can learn to detect novel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Bingyi Kang , Zhuang Liu , Xin Wang , Fisher Yu , Jiashi Feng , Trevor Darrell

Deep neural networks (DNNs), as the basis of object detection, will play a key role in the development of future autonomous systems with full autonomy. The autonomous systems have special requirements of real-time, energy-efficient…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Caiwen Ding , Shuo Wang , Ning Liu , Kaidi Xu , Yanzhi Wang , Yun Liang

RetinaNet proposed Focal Loss for classification task and improved one-stage detectors greatly. However, there is still a gap between it and two-stage detectors. We analyze the prediction of RetinaNet and find that the misalignment of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Wu Kehe , Chen Zuge , Zhang Xiaoliang , Li Wei

Open World Object Detection (OWOD) is a novel computer vision task with a considerable challenge, bridging the gap between classic object detection (OD) benchmarks and real-world object detection. In addition to detecting and classifying…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Shuailei Ma , Yuefeng Wang , Ying Wei , Peihao Chen , Zhixiang Ye , Jiaqi Fan , Enming Zhang , Thomas H. Li

The prior self-supervised learning researches mainly select image-level instance discrimination as pretext task. It achieves a fantastic classification performance that is comparable to supervised learning methods. However, with degraded…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Bing Zhao , Jun Li , Hong Zhu

Most existing weakly supervised localization (WSL) approaches learn detectors by finding positive bounding boxes based on features learned with image-level supervision. However, those features do not contain spatial location related…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Zequn Jie , Yunchao Wei , Xiaojie Jin , Jiashi Feng , Wei Liu

One-to-one label assignment in object detection has successfully obviated the need for non-maximum suppression (NMS) as postprocessing and makes the pipeline end-to-end. However, it triggers a new dilemma as the widely used sparse queries…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Shilong Zhang , Xinjiang Wang , Jiaqi Wang , Jiangmiao Pang , Chengqi Lyu , Wenwei Zhang , Ping Luo , Kai Chen

Despite the success of deep neural networks on facial action unit (AU) detection, better performance depends on a large number of training images with accurate AU annotations. However, labeling AU is time-consuming, expensive, and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Yong Li , Shiguang Shan

Change detection in remote sensing imagery is a critical technique for Earth observation, primarily focusing on pixel-level segmentation of change regions between bi-temporal images. The essence of pixel-level change detection lies in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Sijun Dong , Fangcheng Zuo , Geng Chen , Siming Fu , Xiaoliang Meng

We introduce the Differentiable Weightless Neural Network (DWN), a model based on interconnected lookup tables. Training of DWNs is enabled by a novel Extended Finite Difference technique for approximate differentiation of binary values. We…

Detecting objects based on language information is a popular task that includes Open-Vocabulary object Detection (OVD) and Referring Expression Comprehension (REC). In this paper, we advance them to a more practical setting called Described…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Chi Xie , Zhao Zhang , Yixuan Wu , Feng Zhu , Rui Zhao , Shuang Liang

Tiny object detection is becoming one of the most challenging tasks in computer vision because of the limited object size and lack of information. The label assignment strategy is a key factor affecting the accuracy of object detection.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Shuohao Shi , Qiang Fang , Tong Zhao , Xin Xu

Annotating bounding boxes is costly and limits the scalability of object detection. This challenge is compounded by the need to preserve high accuracy while minimizing manual effort in real-world applications. Prior active learning methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Rashi Sharma , Justin Timothy C. Bersamin , Karthikk Subramanian

Sparse R-CNN is a recent strong object detection baseline by set prediction on sparse, learnable proposal boxes and proposal features. In this work, we propose to improve Sparse R-CNN with two dynamic designs. First, Sparse R-CNN adopts a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Qinghang Hong , Fengming Liu , Dong Li , Ji Liu , Lu Tian , Yi Shan

Drones are employed in a growing number of visual recognition applications. A recent development in cell tower inspection is drone-based asset surveillance, where the autonomous flight of a drone is guided by localizing objects of interest…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

Object detection is an important task in computer vision which serves a lot of real-world applications such as autonomous driving, surveillance and robotics. Along with the rapid thrive of large-scale data, numerous state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Trong Huy Phan , Kazuma Yamamoto

Object Detection on the mobile system is a challenge in terms of everything. Nowadays, many object detection models have been designed, and most of them concentrate on precision. However, the computation burden of those models on mobile…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Yihao Wang , Ling Gao , Jie Ren , Rui Cao , Hai Wang , Jie Zheng , Quanli Gao

Object detection is a very important function of visual perception systems. Since the early days of classical object detection based on HOG to modern deep learning based detectors, object detection has improved in accuracy. Two stage…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Subrata Goswami