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With the advent of 2-dimensional Convolution Neural Networks (2D CNNs), the face recognition accuracy has reached above 99%. However, face recognition is still a challenge in real world conditions. A video, instead of an image, as an input…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Nayaneesh Kumar Mishra , Satish Kumar Singh

We study performance characteristics of convolutional neural networks (CNN) for mobile computer vision systems. CNNs have proven to be a powerful and efficient approach to implement such systems. However, the system performance depends…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jussi Hanhirova , Teemu Kämäräinen , Sipi Seppälä , Matti Siekkinen , Vesa Hirvisalo , Antti Ylä-Jääski

Large Vision-Language Models (LVLMs) demonstrate remarkable performance in short-video tasks such as video question answering, but struggle in long-video understanding. The linear frame sampling strategy, conventionally used by LVLMs, fails…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves

In this project, we adapt high-performing CNN architectures to differentiate between scenes with and without abandoned luggage. Using frames from two video datasets, we compare the results of training different architectures on each dataset…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Utkarsh Contractor , Chinmayi Dixit , Deepti Mahajan

Diffusion-based video editing have reached impressive quality and can transform either the global style, local structure, and attributes of given video inputs, following textual edit prompts. However, such solutions typically incur heavy…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Kumara Kahatapitiya , Adil Karjauv , Davide Abati , Fatih Porikli , Yuki M. Asano , Amirhossein Habibian

Video Captioning and Summarization have become very popular in the recent years due to advancements in Sequence Modelling, with the resurgence of Long-Short Term Memory networks (LSTMs) and introduction of Gated Recurrent Units (GRUs).…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Manjot Bilkhu , Siyang Wang , Tushar Dobhal

Enterprises are increasingly deploying large camera networks for video analytics. Many target applications entail a common problem template: searching for and tracking an object or activity of interest (e.g. a speeding vehicle, a break-in)…

分布式、并行与集群计算 · 计算机科学 2019-12-05 Samvit Jain , Xun Zhang , Yuhao Zhou , Ganesh Ananthanarayanan , Junchen Jiang , Yuanchao Shu , Joseph Gonzalez

Convolutional Neural Networks (CNNs) excel in local spatial pattern recognition. For many vision tasks, such as object recognition and segmentation, salient information is also present outside CNN's kernel boundaries. However, CNNs struggle…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Farzad Salajegheh , Nader Asadi , Soroush Saryazdi , Sudhir Mudur

Convolutional Neural Networks (CNNs) have become indispensable for solving machine learning tasks in speech recognition, computer vision, and other areas that involve high-dimensional data. A CNN filters the input feature using a network…

机器学习 · 计算机科学 2020-02-13 Jonathan Ephrath , Moshe Eliasof , Lars Ruthotto , Eldad Haber , Eran Treister

Videos take a lot of time to transport over the network, hence running analytics on the live video on embedded or mobile devices has become an important system driver. Considering that such devices, e.g., surveillance cameras or AR/VR…

计算机视觉与模式识别 · 计算机科学 2021-07-16 Ran Xu , Rakesh Kumar , Pengcheng Wang , Peter Bai , Ganga Meghanath , Somali Chaterji , Subrata Mitra , Saurabh Bagchi

In recent years, convolutional neural network has gained popularity in many engineering applications especially for computer vision. In order to achieve better performance, often more complex structures and advanced operations are…

图像与视频处理 · 电气工程与系统科学 2021-05-18 Lin Bai , Yecheng Lyu , Xinming Huang

Real-time CNN-based object detection models for applications like surveillance can achieve high accuracy but are computationally expensive. Recent works have shown 10 to 100x reduction in computation cost for inference by using…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Kentaro Yoshioka , Edward Lee , Simon Wong , Mark Horowitz

Video diffusion models have rapidly become the dominant paradigm for high-fidelity generative video synthesis, but their practical deployment remains constrained by severe inference costs. Compared with image generation, video synthesis…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Shitong Shao , Lichen Bai , Pengfei Wan , James Kwok , Zeke Xie

Convolutional Neural Networks (CNN) are the state-of-the-art in the field of visual computing. However, a major problem with CNNs is the large number of floating point operations (FLOPs) required to perform convolutions for large inputs.…

机器学习 · 计算机科学 2022-07-06 Tobias Engelhardt Rasmussen , Line H Clemmensen , Andreas Baum

IoT devices suffer from resource limitations, such as processor, RAM, and disc storage. These limitations become more evident when handling demanding applications, such as deep learning, well-known for their heavy computational…

Today, video cameras are deployed in dense for monitoring physical places e.g., city, industrial, or agricultural sites. In the current systems, each camera node sends its feed to a cloud server individually. However, this approach suffers…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Hannaneh Barahouei Pasandi , Tamer Nadeem

Recently, convolutional neural networks (CNN) have demonstrated impressive performance in various computer vision tasks. However, high performance hardware is typically indispensable for the application of CNN models due to the high…

计算机视觉与模式识别 · 计算机科学 2016-05-17 Jiaxiang Wu , Cong Leng , Yuhang Wang , Qinghao Hu , Jian Cheng

Understanding human visual attention and saliency is an integral part of vision research. In this context, there is an ever-present need for fresh and diverse benchmark datasets, particularly for insight into special use cases like crowded…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Memoona Tahira , Sobas Mehboob , Anis U. Rahman , Omar Arif

The rapid growth of online video platforms and AI-generated content has made reliable video guardrails a key challenge for safety and real-world deployment. While most videos can be screened through fast pattern recognition, a small subset…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Shahriar Kabir Nahin , Hadi Askari , Muhao Chen , Anshuman Chhabra

With the widespread use of installed cameras, video-based monitoring approaches have seized considerable attention for different purposes like assisted living. Temporal redundancy and the sheer size of raw videos are the two most common…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ali Abdari , Pouria Amirjan , Azadeh Mansouri