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Conventional video compression methods employ a linear transform and block motion model, and the steps of motion estimation, mode and quantization parameter selection, and entropy coding are optimized individually due to combinatorial…

图像与视频处理 · 电气工程与系统科学 2021-05-28 M. Akin Yilmaz , A. Murat Tekalp

Even though rate-distortion optimization is a crucial part of traditional image and video compression, not many approaches exist which transfer this concept to end-to-end-trained image compression. Most frameworks contain static compression…

图像与视频处理 · 电气工程与系统科学 2022-01-06 Fabian Brand , Kristian Fischer , Alexander Kopte , André Kaup

The ability of Variational Autoencoders (VAEs) to learn disentangled representations has made them popular for practical applications. However, their behaviour is not yet fully understood. For example, the questions of when they can provide…

机器学习 · 计算机科学 2022-09-27 Lisa Bonheme , Marek Grzes

Deep learning is playing an instrumental role in the design of the next generation of communication systems. In this letter, we address the massive MIMO interconnect's bandwidth constraint relaxation using autoencoders. The autoencoder is…

信号处理 · 电气工程与系统科学 2019-09-20 Messaoud Ahmed Ouameur , Daniel Massicotte

We propose to leverage denoising autoencoder networks as priors to address image restoration problems. We build on the key observation that the output of an optimal denoising autoencoder is a local mean of the true data density, and the…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Siavash Arjomand Bigdeli , Matthias Zwicker

Cross-language learning allows us to use training data from one language to build models for a different language. Many approaches to bilingual learning require that we have word-level alignment of sentences from parallel corpora. In this…

Feedforward neural networks are widely used as universal predictive models to fit data distribution. Common gradient-based learning, however, suffers from many drawbacks making the training process ineffective and time-consuming.…

机器学习 · 计算机科学 2021-07-06 Grzegorz Dudek

Neural data compression has been shown to outperform classical methods in terms of $RD$ performance, with results still improving rapidly. At a high level, neural compression is based on an autoencoder that tries to reconstruct the input…

机器学习 · 计算机科学 2021-06-02 Ties van Rozendaal , Iris A. M. Huijben , Taco S. Cohen

The autoencoder is one of machine learning algorithms used for feature extraction by dimension reduction of input data, denoising of images, and prior learning of neural networks. At the same time, autoencoders using quantum computers are…

Current image generation methods are based on a two-stage training approach. In stage 1, an auto-encoder is trained to compress an image into a latent space; in stage 2, a generative model is trained to learn a distribution over that latent…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Vivek Ramanujan , Kushal Tirumala , Armen Aghajanyan , Luke Zettlemoyer , Ali Farhadi

Latent representation learning has been an active field of study for decades in numerous applications. Inspired among others by the tokenization from Natural Language Processing and motivated by the research of a simple data representation,…

信号处理 · 电气工程与系统科学 2024-09-26 Benoît Giniès , Xiaoyu Bie , Olivier Fercoq , Gaël Richard

We propose a novel machine learning strategy for studying neuroanatomical shape variation. Our model works with volumetric binary segmentation images, and requires no pre-processing such as the extraction of surface points or a mesh. The…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Evan M. Yu , Mert R. Sabuncu

Overparameterized autoencoder models often memorize their training data. For image data, memorization is often examined by using the trained autoencoder to recover missing regions in its training images (that were used only in their…

机器学习 · 计算机科学 2024-06-14 Koren Abitbul , Yehuda Dar

We present a novel algorithm to reduce tensor compute required by a conditional image generation autoencoder without sacrificing quality of photo-realistic image generation. Our method is device agnostic, and can optimize an autoencoder for…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Nisarg A. Shah , Gaurav Bharaj

We present a framework to learn privacy-preserving encodings of images that inhibit inference of chosen private attributes, while allowing recovery of other desirable information. Rather than simply inhibiting a given fixed pre-trained…

机器学习 · 计算机科学 2018-12-06 Francesco Pittaluga , Sanjeev J. Koppal , Ayan Chakrabarti

Harnessing the power of pre-training on large-scale datasets like ImageNet forms a fundamental building block for the progress of representation learning-driven solutions in computer vision. Medical images are inherently different from…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Jeya Maria Jose Valanarasu , Yucheng Tang , Dong Yang , Ziyue Xu , Can Zhao , Wenqi Li , Vishal M. Patel , Bennett Landman , Daguang Xu , Yufan He , Vishwesh Nath

Self-supervised learning by predicting transformations has demonstrated outstanding performances in both unsupervised and (semi-)supervised tasks. Among the state-of-the-art methods is the AutoEncoding Transformations (AET) by decoding…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Feng Lin , Haohang Xu , Houqiang Li , Hongkai Xiong , Guo-Jun Qi

Motion compensated prediction is central to the efficiency of video compression. Its predictive coding scheme propagates the quantization distortion through the prediction chain and creates a temporal dependency. Prior research typically…

图像与视频处理 · 电气工程与系统科学 2021-08-27 Jingning Han , Paul Wilkins , Yaowu Xu , James Bankoski

To what extent do individual eigenstates encode information of their underlying Hamiltonian, and how does this depend on their spectral position? For many-body quantum systems, this issue is widely understood in terms of the differing…

量子物理 · 物理学 2026-05-06 Maksymilian Kliczkowski , Jarosław Pawłowski , Masudul Haque

We present a novel systematic theoretical framework to analyze the rate-distortion (R-D) limits of learned image compression. While recent neural codecs have achieved remarkable empirical results, their distance from the…

信息论 · 计算机科学 2026-01-15 Changshuo Wang , Zijian Liang , Kai Niu , Ping Zhang