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XNOR-Net: ImageNet Classification Using Binary Convolutional Neural Networks

TLDR
XNOR-Nets as discussed by the authors approximate convolutions using primarily binary operations, which results in 58x faster convolutional operations and 32x memory savings, and outperforms BinaryConnect and BinaryNets by large margins on ImageNet.
Abstract
We propose two efficient approximations to standard convolutional neural networks: Binary-Weight-Networks and XNOR-Networks. In Binary-Weight-Networks, the filters are approximated with binary values resulting in 32x memory saving. In XNOR-Networks, both the filters and the input to convolutional layers are binary. XNOR-Networks approximate convolutions using primarily binary operations. This results in 58x faster convolutional operations and 32x memory savings. XNOR-Nets offer the possibility of running state-of-the-art networks on CPUs (rather than GPUs) in real-time. Our binary networks are simple, accurate, efficient, and work on challenging visual tasks. We evaluate our approach on the ImageNet classification task. The classification accuracy with a Binary-Weight-Network version of AlexNet is only 2.9% less than the full-precision AlexNet (in top-1 measure). We compare our method with recent network binarization methods, BinaryConnect and BinaryNets, and outperform these methods by large margins on ImageNet, more than 16% in top-1 accuracy.

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Citations
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Journal ArticleDOI

Hashing Nets for Hashing: A Quantized Deep Learning to Hash Framework for Remote Sensing Image Retrieval

TL;DR: A quantized deep learning to hash (QDLH) framework for large-scale remote sensing image retrieval that is effective in saving hardware resources in terms of both storage and computation and superior remote sensingimage retrieval performance is achieved by the QDLH, compared with state-of-the-art deepRemote sensing image hashing methods.
Posted Content

Training wide residual networks for deployment using a single bit for each weight

TL;DR: Using a warm-restart learning-rate schedule, it is found that training for 1-bit-per-weight is just as fast as full-precision networks, with better accuracy than standard schedules, and achieved about 98%-99% of peak performance in just 62 training epochs for CIFAR-10/100.
Proceedings ArticleDOI

Can the Network be the AI Accelerator

TL;DR: This preliminary work analyzes in depth the properties of NN processing on CPUs, derive options to efficiently split such processing, and shows that programmable network devices may be a suitable engine for implementing a CPU's NN co-processor.
Proceedings ArticleDOI

MobiFace: A Lightweight Deep Learning Face Recognition on Mobile Devices

TL;DR: A novel deep neural network named MobiFace, a simple but effective approach, is proposed to productively deploy face recognition on mobile devices and is able to achieve high performance and eventually competitive against large-scale deep-networks face recognition while significant reducing computational time and memory consumption.
Journal ArticleDOI

Compact and Computationally Efficient Representation of Deep Neural Networks

TL;DR: In this article, the authors proposed new efficient representations for matrices with low-entropy statistics, which exploit the statistical properties of the data in order to reduce the size and execution complexity.
References
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Proceedings ArticleDOI

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Proceedings Article

ImageNet Classification with Deep Convolutional Neural Networks

TL;DR: The state-of-the-art performance of CNNs was achieved by Deep Convolutional Neural Networks (DCNNs) as discussed by the authors, which consists of five convolutional layers, some of which are followed by max-pooling layers, and three fully-connected layers with a final 1000-way softmax.
Proceedings Article

Very Deep Convolutional Networks for Large-Scale Image Recognition

TL;DR: This work investigates the effect of the convolutional network depth on its accuracy in the large-scale image recognition setting using an architecture with very small convolution filters, which shows that a significant improvement on the prior-art configurations can be achieved by pushing the depth to 16-19 weight layers.
Proceedings Article

Very Deep Convolutional Networks for Large-Scale Image Recognition

TL;DR: In this paper, the authors investigated the effect of the convolutional network depth on its accuracy in the large-scale image recognition setting and showed that a significant improvement on the prior-art configurations can be achieved by pushing the depth to 16-19 layers.
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