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Image composition aims to generate realistic composite image by inserting an object from one image into another background image, where the placement (e.g., location, size, occlusion) of inserted object may be unreasonable, which would…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Liu Liu , Zhenchen Liu , Bo Zhang , Jiangtong Li , Li Niu , Qingyang Liu , Liqing Zhang

Image classification from independent and identically distributed random variables is considered. Image classifiers are defined which are based on a linear combination of deep convolutional networks with max-pooling layer. Here all the…

Statistics Theory · Mathematics 2025-03-06 Michael Kohler , Adam Krzyzak , Alisha Sänger

Object co-segmentation is to segment the shared objects in multiple relevant images, which has numerous applications in computer vision. This paper presents a spatial and semantic modulated deep network framework for object co-segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Kaihua Zhang , Jin Chen , Bo Liu , Qingshan Liu

Current approaches for explaining machine learning models fall into two distinct classes: antecedent event influence and value attribution. The former leverages training instances to describe how much influence a training point exerts on a…

Machine Learning · Computer Science 2019-01-30 Umang Bhatt , Pradeep Ravikumar , Jose M. F. Moura

While fine-tuning based methods for few-shot object detection have achieved remarkable progress, a crucial challenge that has not been addressed well is the potential class-specific overfitting on base classes and sample-specific…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Wenjie Pei , Shuang Wu , Dianwen Mei , Fanglin Chen , Jiandong Tian , Guangming Lu

Word embedding models learn semantically rich vector representations of words and are widely used to initialize natural processing language (NLP) models. The popular continuous bag-of-words (CBOW) model of word2vec learns a vector embedding…

Computation and Language · Computer Science 2020-06-02 Shashank Sonkar , Andrew E. Waters , Richard G. Baraniuk

Spatial downsampling layers are favored in convolutional neural networks (CNNs) to downscale feature maps for larger receptive fields and less memory consumption. However, for discriminative tasks, there is a possibility that these layers…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Ziteng Gao , Limin Wang , Gangshan Wu

In this paper, we challenge the common assumption that collapsing the spatial dimensions of a 3D (spatial-channel) tensor in a convolutional neural network (CNN) into a vector via global pooling removes all spatial information.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Md Amirul Islam , Matthew Kowal , Sen Jia , Konstantinos G. Derpanis , Neil D. B. Bruce

The traditional bag-of-words approach has found a wide range of applications in computer vision. The standard pipeline consists of a generation of a visual vocabulary, a quantization of the features into histograms of visual words, and a…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Alexander Richard , Juergen Gall

Merging models becomes a fundamental procedure in some applications that consider model efficiency and robustness. The training randomness or Non-I.I.D. data poses a huge challenge for averaging-based model fusion. Previous research efforts…

Artificial Intelligence · Computer Science 2024-08-23 Yichu Xu , Xin-Chun Li , Le Gan , De-Chuan Zhan

Convolutional Neural Networks (CNN) have been pivotal to the success of many state-of-the-art classification problems, in a wide variety of domains (for e.g. vision, speech, graphs and medical imaging). A commonality within those domains is…

Machine Learning · Computer Science 2019-12-02 Rohan Ghosh , Anupam K. Gupta , Mehul Motani

Weight Average (WA) is an active research topic due to its simplicity in ensembling deep networks and the effectiveness in promoting generalization. Existing weight average approaches, however, are often carried out along only one training…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Jiangtao Zhang , Shunyu Liu , Jie Song , Tongtian Zhu , Zhengqi Xu , Mingli Song

Pooling is a ubiquitous operation in image processing algorithms that allows for higher-level processes to collect relevant low-level features from a region of interest. Currently, max-pooling is one of the most commonly used operators in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Arash Akbarinia , Raquel Gil Rodríguez , C. Alejandro Parraga

Most modern convolutional neural networks (CNNs) used for object recognition are built using the same principles: Alternating convolution and max-pooling layers followed by a small number of fully connected layers. We re-evaluate the state…

Machine Learning · Computer Science 2015-04-14 Jost Tobias Springenberg , Alexey Dosovitskiy , Thomas Brox , Martin Riedmiller

Convolutional networks almost always incorporate some form of spatial pooling, and very often it is alpha times alpha max-pooling with alpha=2. Max-pooling act on the hidden layers of the network, reducing their size by an integer…

Computer Vision and Pattern Recognition · Computer Science 2015-05-13 Benjamin Graham

Weight-ensembles are formed when the parameters of multiple neural networks are directly averaged into a single model. They have demonstrated generalization capability in-distribution (ID) and out-of-distribution (OOD) which is not…

Machine Learning · Computer Science 2024-09-05 Alex Rojas , David Alvarez-Melis

Object placement assessment (OPA) aims to predict the rationality score of a composite image in terms of the placement (e.g., scale, location) of inserted foreground object. However, given a pair of scaled foreground and background, to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Li Niu , Qingyang Liu , Zhenchen Liu , Jiangtong Li

A common architectural choice for deep metric learning is a convolutional neural network followed by global average pooling (GAP). Albeit simple, GAP is a highly effective way to aggregate information. One possible explanation for the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Yeti Z. Gurbuz , Ozan Sener , A. Aydın Alatan

Context-dependence in human cognition process is a well-established fact. Following this, we introduced the image segmentation method that can use context to classify a pixel on the basis of its membership to a particular object-class of…

Computer Vision and Pattern Recognition · Computer Science 2012-02-10 Upendra Kumar , Tapobrata Lahiri , Manoj Kumar Pal

Global pooling, such as max- or sum-pooling, is one of the key ingredients in deep neural networks used for processing images, texts, graphs and other types of structured data. Based on the recent DeepSets architecture proposed by Zaheer et…

Machine Learning · Computer Science 2020-01-23 Łukasz Maziarka , Marek Śmieja , Aleksandra Nowak , Jacek Tabor , Łukasz Struski , Przemysław Spurek