多变量时间序列（MTS）预测在智能应用的自动化和优化中起着重要作用。这是一个具有挑战性的任务，因为我们需要考虑复杂的变量依赖关系和可变间依赖关系。现有的作品仅在单个可变依赖项的帮助下学习时间模式。然而，许多真实世界MTS中有多种时间模式。单个可变间依赖项使模型更倾向于学习一种类型的突出和共享的时间模式。在本文中，我们提出了一个多尺度自适应图形神经网络（MOLDN）来解决上述问题。 MOLDN利用多尺度金字塔网络，以在不同的时间尺度上保留潜在的时间依赖关系。由于可变间依赖关系可以在不同的时间尺度下不同，所以自适应图学习模块被设计为在没有预先定义的前沿的情况下推断规模特定的可变依赖关系。鉴于多尺度特征表示和规模特定的可变间依赖关系，引入了一个多尺度的时间图神经网络，以共同模拟帧内依赖性和可变间依赖性。之后，我们开发一个尺度明智的融合模块，以在不同时间尺度上有效地促进协作，并自动捕获贡献的时间模式的重要性。四个真实数据集的实验表明，Magnn在各种设置上表明了最先进的方法。

多变量时间序列（MTS）预测在许多智能应用中引起了很多关注。它不是一个琐碎的任务，因为我们需要考虑一个可变的依赖关系和可变间依赖关系。但是，现有的作品是针对特定场景设计的，需要很多域知识和专家努力，这难以在不同的场景之间传输。在本文中，我们提出了一种尺度意识的神经结构，用于MTS预测（SNAS4MTF）的搜索框架。多尺度分解模块将原始时间序列转换为多尺度子系列，可以保留多尺度的时间模式。自适应图形学习模块在没有任何先前知识的情况下，在不同的时间尺度下递送不同的变量间依赖关系。对于MTS预测，搜索空间旨在在每次尺度上捕获可变的可变依赖性和可变间依赖关系。在端到端框架中共同学习多尺度分解，自适应图学习和神经架构搜索模块。两个现实世界数据集的大量实验表明，与最先进的方法相比，SNAS4MTF实现了有希望的性能。

时间序列预测是许多应用中的重大问题，例如，金融预测和业务优化。现代数据集可以具有多个相关时间序列，这些时间往往是通过全局（共享）规律和本地（特定）动态生成的。在本文中，我们寻求与DeepdGL的这种预测问题进行解决，这是一种深入预测模型，将动态与全球和局部时间模式脱颖而出。 DeepdGL采用编码器解码器架构，包括两个编码器，分别学习全局和本地时间模式，以及解码器以进行多步预测。具体地，为了模拟复杂的全局模式，引入了矢量量化（VQ）模块，允许全局特征编码器在所有时间序列中学习共享码本。为了模型多样化和异质局部模式，提出了一种由对比多地位编码（CMC）增强的自适应参数生成模块，以为每个单独的时间序列产生本地特征编码器的参数，这使得串联之间的相互信息最大化 - 具体的上下文变量和相应时间序列的长/短期表示。我们对几个现实世界数据集的实验表明DeepdGL优于现有的最先进的模型。

本文认为共同解决估计3D人体的高度相关任务，并从RGB图像序列预测未来的3D运动。基于Lie代数姿势表示，提出了一种新的自投影机制，自然保留了人类运动运动学。通过基于编码器 - 解码器拓扑的序列到序列的多任务架构进一步促进了这一点，这使我们能够利用两个任务共享的公共场所。最后，提出了一个全球细化模块来提高框架的性能。我们的方法称为PoMomemet的效力是通过消融测试和人文3.6M和Humaneva-I基准的实证评估，从而获得与最先进的竞争性能。

Masked image modeling (MIM) performs strongly in pre-training large vision Transformers (ViTs). However, small models that are critical for real-world applications cannot or only marginally benefit from this pre-training approach. In this paper, we explore distillation techniques to transfer the success of large MIM-based pre-trained models to smaller ones. We systematically study different options in the distillation framework, including distilling targets, losses, input, network regularization, sequential distillation, etc, revealing that: 1) Distilling token relations is more effective than CLS token- and feature-based distillation; 2) An intermediate layer of the teacher network as target perform better than that using the last layer when the depth of the student mismatches that of the teacher; 3) Weak regularization is preferred; etc. With these findings, we achieve significant fine-tuning accuracy improvements over the scratch MIM pre-training on ImageNet-1K classification, using all the ViT-Tiny, ViT-Small, and ViT-base models, with +4.2%/+2.4%/+1.4% gains, respectively. Our TinyMIM model of base size achieves 52.2 mIoU in AE20K semantic segmentation, which is +4.1 higher than the MAE baseline. Our TinyMIM model of tiny size achieves 79.6% top-1 accuracy on ImageNet-1K image classification, which sets a new record for small vision models of the same size and computation budget. This strong performance suggests an alternative way for developing small vision Transformer models, that is, by exploring better training methods rather than introducing inductive biases into architectures as in most previous works. Code is available at https://github.com/OliverRensu/TinyMIM.

In this paper, we propose a robust 3D detector, named Cross Modal Transformer (CMT), for end-to-end 3D multi-modal detection. Without explicit view transformation, CMT takes the image and point clouds tokens as inputs and directly outputs accurate 3D bounding boxes. The spatial alignment of multi-modal tokens is performed implicitly, by encoding the 3D points into multi-modal features. The core design of CMT is quite simple while its performance is impressive. CMT obtains 73.0% NDS on nuScenes benchmark. Moreover, CMT has a strong robustness even if the LiDAR is missing. Code will be released at https://github.com/junjie18/CMT.

Dataset distillation has emerged as a prominent technique to improve data efficiency when training machine learning models. It encapsulates the knowledge from a large dataset into a smaller synthetic dataset. A model trained on this smaller distilled dataset can attain comparable performance to a model trained on the original training dataset. However, the existing dataset distillation techniques mainly aim at achieving the best trade-off between resource usage efficiency and model utility. The security risks stemming from them have not been explored. This study performs the first backdoor attack against the models trained on the data distilled by dataset distillation models in the image domain. Concretely, we inject triggers into the synthetic data during the distillation procedure rather than during the model training stage, where all previous attacks are performed. We propose two types of backdoor attacks, namely NAIVEATTACK and DOORPING. NAIVEATTACK simply adds triggers to the raw data at the initial distillation phase, while DOORPING iteratively updates the triggers during the entire distillation procedure. We conduct extensive evaluations on multiple datasets, architectures, and dataset distillation techniques. Empirical evaluation shows that NAIVEATTACK achieves decent attack success rate (ASR) scores in some cases, while DOORPING reaches higher ASR scores (close to 1.0) in all cases. Furthermore, we conduct a comprehensive ablation study to analyze the factors that may affect the attack performance. Finally, we evaluate multiple defense mechanisms against our backdoor attacks and show that our attacks can practically circumvent these defense mechanisms.

Blind image quality assessment (BIQA) remains challenging due to the diversity of distortion and image content variation, which complicate the distortion patterns crossing different scales and aggravate the difficulty of the regression problem for BIQA. However, existing BIQA methods often fail to consider multi-scale distortion patterns and image content, and little research has been done on learning strategies to make the regression model produce better performance. In this paper, we propose a simple yet effective Progressive Multi-Task Image Quality Assessment (PMT-IQA) model, which contains a multi-scale feature extraction module (MS) and a progressive multi-task learning module (PMT), to help the model learn complex distortion patterns and better optimize the regression issue to align with the law of human learning process from easy to hard. To verify the effectiveness of the proposed PMT-IQA model, we conduct experiments on four widely used public datasets, and the experimental results indicate that the performance of PMT-IQA is superior to the comparison approaches, and both MS and PMT modules improve the model's performance.

Automatic music generation with artificial intelligence typically requires a large amount of data which is hard to obtain for many less common genres and musical instruments. To tackle this issue, we present ongoing work and preliminary findings on the possibility for deep models to transfer knowledge from language to music, by finetuning large language models pre-trained on a massive text corpus on only hundreds of MIDI files of drum performances. We show that by doing so, one of the largest, state-of-the-art models (GPT3) is capable of generating reasonable drum grooves, while models that are not pre-trained (Transformer) shows no such ability beyond naive repetition. Evaluating generated music is a challenging task, more so is evaluating drum grooves with little precedence in literature. Hence, we propose a tailored structural evaluation method and analyze drum grooves produced by GPT3 compared to those played by human professionals, exposing the strengths and weaknesses of such generation by language-to-music transfer. Our findings suggest that language-to-music transfer learning with large language models is viable and promising.

Few Shot Instance Segmentation (FSIS) requires models to detect and segment novel classes with limited several support examples. In this work, we explore a simple yet unified solution for FSIS as well as its incremental variants, and introduce a new framework named Reference Twice (RefT) to fully explore the relationship between support/query features based on a Transformer-like framework. Our key insights are two folds: Firstly, with the aid of support masks, we can generate dynamic class centers more appropriately to re-weight query features. Secondly, we find that support object queries have already encoded key factors after base training. In this way, the query features can be enhanced twice from two aspects, i.e., feature-level and instance-level. In particular, we firstly design a mask-based dynamic weighting module to enhance support features and then propose to link object queries for better calibration via cross-attention. After the above steps, the novel classes can be improved significantly over our strong baseline. Additionally, our new framework can be easily extended to incremental FSIS with minor modification. When benchmarking results on the COCO dataset for FSIS, gFSIS, and iFSIS settings, our method achieves a competitive performance compared to existing approaches across different shots, e.g., we boost nAP by noticeable +8.2/+9.4 over the current state-of-the-art FSIS method for 10/30-shot. We further demonstrate the superiority of our approach on Few Shot Object Detection. Code and model will be available.