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太强了!DeepSeek刚刚开源新模型,用视觉方式压缩一切
机器之心· 2025-10-20 09:15
Core Insights - DeepSeek has released a new OCR model, DeepSeek-OCR, which demonstrates the potential for nearly 10x lossless contextual compression through text-to-image methods [1][3] - The model has a parameter count of 3 billion and has already seen over 100 downloads shortly after its release [1] - The research team behind DeepSeek-OCR includes Haoran Wei, Yaofeng Sun, and Yukun Li, with Wei having previously developed the GOT-OCR2.0 system [1] Model Architecture - DeepSeek-OCR consists of two main components: DeepEncoder and DeepSeek3B-MoE-A570M decoder [3][10] - DeepEncoder is designed to maintain low activation states under high-resolution inputs while achieving high compression ratios, generating a moderate number of visual tokens [3][14] - The model achieves an OCR accuracy of 97% when the number of text tokens is within 10 times the number of visual tokens, and maintains about 60% accuracy at a compression ratio of 20x [3][28] Performance and Practical Applications - In the OmniDocBench benchmark, DeepSeek-OCR outperformed GOT-OCR2.0 using only 100 visual tokens compared to 256 tokens for GOT-OCR2.0 [5] - The model can generate over 200,000 pages of LLM/VLM training data daily on a single A100-40G GPU [5] - DeepSeek-OCR shows strong practical capabilities, achieving superior performance compared to existing models like MinerU2.0 while using significantly fewer visual tokens [30][32] Training and Data - The training process for DeepSeek-OCR involves two main phases, utilizing a variety of OCR datasets and general visual data [21][24] - The model was trained using 20 nodes, each equipped with 8 A100-40G GPUs, achieving a global batch size of 640 [25] - The training speed reached 90 billion tokens per day for pure text data and 70 billion tokens per day for multimodal data [25] Compression and Recognition Capabilities - DeepSeek-OCR's method of using visual modalities as efficient compression media allows for significantly higher compression rates compared to traditional text representations [9][10] - The model supports recognition of nearly 100 languages, showcasing its versatility in processing diverse document types [42] - It can effectively parse complex layouts and extract structured data from charts, which is crucial for financial and scientific documents [35][40]
“百度不做”,仅仅一年,李彦宏反悔了
Sou Hu Cai Jing· 2025-10-20 08:59
Core Viewpoint - The rapid evolution of AI video applications, particularly following the release of OpenAI's Sora 2, has prompted major Chinese tech companies, including Baidu, to pivot towards developing their own AI video models despite initial hesitations [1][4][24] Group 1: Industry Dynamics - The launch of Sora 2 has ignited competition among major players in the AI video space, with companies like Baidu and Google quickly promoting their own models [2][3] - Prior to Sora's release, Chinese tech giants were focused on catching up with GPT-4 rather than developing their own video generation models, reflecting a broader industry anxiety about capabilities [10][12] - The competitive landscape has shifted significantly, with over 20 video AI models now available in the Chinese market, indicating a rapid increase in development and deployment [12] Group 2: Technological Advancements - Sora distinguishes itself by achieving a level of realism in video generation that adheres to physical rules, setting a new standard for detail and authenticity in AI-generated content [5][9] - The evolution of video AI models is characterized by improvements in video quality and user editing capabilities, enhancing the overall user experience [15][16] - The integration of real-time audio generation in AI video tools addresses previous limitations, allowing for more dynamic and engaging content creation [16] Group 3: Market Opportunities - The potential for monetization in AI video applications is becoming clearer, with Sora 2 showcasing capabilities that could attract a large user base and create new revenue streams [18][22] - The user-friendly design of Sora 2 encourages widespread adoption, with features that allow for easy video creation and personalization, positioning it as a competitive platform in the market [22][24] - The success of platforms like TikTok suggests that the AI video market may consolidate around a few dominant players, intensifying competition as companies strive to establish themselves as leaders [24]
“国芯一号”上线一周年交出亮眼答卷,助竹溪县域数字经济再上新阶
Jing Ji Wang· 2025-10-20 08:18
Core Insights - The "Guo Xin No.1" intelligent computing center celebrated its first anniversary, focusing on self-innovation in computing power, regional digital economy development, and AI-enabled industrial transformation [1][3] - The conference aimed to build consensus for development, expand cooperation, and promote high-quality development of the digital economy industry chain [1][3] Group 1: Event Overview - The conference was hosted by the local government and involved various enterprises, including Huawei and iFlytek, emphasizing the theme "Gathering Strength for Guo Xin, Smartly Starting a New Journey" [1][3] - Key speeches highlighted the achievements of the "Guo Xin No.1" center in establishing a digital economy hub in the Qinba region and future collaborative plans [3] Group 2: Technological Insights - The National Information Center shared insights on AI and intelligent computing trends, emphasizing that AI large models will fundamentally change digital development and information systems [4] - Huawei presented its "Super Node + Cluster" solution to address communication bottlenecks caused by increasing AI computing demands, supporting applications in various industries [4] Group 3: Infrastructure and Applications - The "Guo Xin No.1" center has achieved significant results with its 50P computing base, enhancing efficiency in government services and developing AI applications in agriculture and tourism [7] - Plans are underway to expand the center's computing capacity to 650P, aiming to improve smart governance and agricultural decision-making significantly [7] Group 4: Future Directions - The center will continue to deepen cooperation with Huawei and other enterprises to enhance computing infrastructure and seize opportunities in the digital economy [7]
突破FHE瓶颈,Lancelot架构实现加密状态下的鲁棒聚合计算,兼顾「隐私保护」与「鲁棒性」
机器之心· 2025-10-20 07:48
Core Insights - The article discusses the integration of Fully Homomorphic Encryption (FHE) with Byzantine Robust Federated Learning (BRFL) through a new framework called Lancelot, which addresses privacy and efficiency challenges in sensitive applications like finance and healthcare [2][15]. Group 1: Framework Overview - Lancelot framework combines FHE and BRFL to enable robust aggregation calculations while maintaining data privacy [2][15]. - The framework effectively addresses the high computational costs associated with traditional FHE, particularly in complex operations like sorting and aggregation [2][15]. Group 2: Innovations in Encryption and Computation - The introduction of Masked-based Encrypted Sorting allows for distance calculations and sorting of model parameters without decryption, overcoming a significant barrier in FHE applications [6][7]. - Lancelot optimizes FHE computation efficiency by improving ciphertext multiplication strategies and polynomial matrix operations, significantly reducing resource consumption [8][9]. Group 3: Hardware Optimization - The framework includes hardware deployment optimizations that reduce unnecessary computational burdens, thereby accelerating the training process [9][10]. - Specific techniques such as Lazy Relinearization and Dynamic Hoisting enhance the overall throughput of the system, achieving training time reductions from hours to minutes [12][13]. Group 4: Practical Applications and Compliance - Lancelot supports various federated robust aggregation algorithms and can integrate with differential privacy mechanisms, ensuring compliance with regulations like GDPR and HIPAA [15]. - Experimental results in medical scenarios demonstrate that Lancelot maintains diagnostic accuracy while preventing information leakage, establishing a foundation for trustworthy AI in healthcare [15].
AGILE:视觉学习新范式!自监督+交互式强化学习助力VLMs感知与推理全面提升
机器之心· 2025-10-20 07:48
Core Insights - Existing Vision-Language Models (VLMs) exhibit significant limitations in fine-grained visual information understanding and reasoning capabilities, which have not been fully activated [2] - AGILE introduces a novel self-supervised learning paradigm that enhances VLMs' visual perception and reasoning through an interactive agent-based approach [2][22] Methodology - AGILE employs a "puzzle" task as an efficient agent task that combines perception and reasoning, structured as a controllable and verifiable interactive form [8] - The training process consists of two phases: a Cold-Start phase using Gemini 2.5 Pro to generate 1.6K high-quality expert puzzle interaction trajectories, and a Reinforcement Learning phase training on 15.6K images using the GRPO algorithm [9][10] Experimental Results - In the simplest 2x2 puzzle task, AGILE improved accuracy from 9.5% to 82.8%, surpassing Gemini 2.5 Pro by 36.4 percentage points. In the more challenging 3x3 puzzle, accuracy increased from 0.4% to 20.8% [13] - The model's performance was evaluated using two metrics: Acc (the proportion of all blocks placed correctly) and Score (the proportion of correctly placed blocks) [13][14] Generalization Capability - After puzzle training, the model demonstrated an average improvement of 3.1% across nine general visual tasks, indicating strong generalization capabilities [15] Scaling Experiments - The study explored the impact of puzzle data scale on performance, revealing that as training data expanded from 0 to 16K, puzzle task accuracy increased from 22.0% to 82.8% [20] - Replacing 10K of conventional QA data with puzzle data in a 20K sample led to better model performance, highlighting the potential of puzzle tasks in alleviating data scarcity in multi-modal reinforcement learning [20]
谷歌新版Gemini马甲被扒,LMArena实测:唯一能看懂表的AI, GPT-5乱答
3 6 Ke· 2025-10-20 07:29
Core Insights - Google's Gemini 3.0 has been rumored for a while and is now suspected to be launched on LMArena, with two variants identified: Gemini 3 Pro (lithiumflow) and Gemini 3 Flash (orionmist) [1][4][31] - The testing results from LMArena indicate that Gemini 3 shows significant improvements, particularly in tasks like telling time and generating SVG images, which were previously challenging for AI models [9][30][41] - The release of Gemini 3 appears to be a strategic move by Google to compete with OpenAI's advancements, especially following the release of GPT-5 and Sora 2 [41] Group 1 - Gemini 3.0's variants have been revealed, with users sharing their experiences on LMArena [1][8] - The model has demonstrated the ability to accurately read time, achieving precision down to seconds, which is a notable improvement over previous models [9][10] - The SVG testing results for Gemini 3 Pro show enhanced performance, with the model able to create visually appealing outputs [15][18] Group 2 - The model's music composition capabilities have been highlighted, allowing it to mimic musical styles and maintain rhythm effectively [30] - There is a growing trend in the AI industry where new models are tested in similar ways, leading to a sense of repetitiveness in evaluation methods [41] - Despite the advancements in Gemini 3, the evaluation process remains traditional, focusing on practical tests and comparisons with previous models [41]
数说非凡“十四五”丨一键升级!解锁数字中国“幸福密码”
Yang Shi Xin Wen Ke Hu Duan· 2025-10-20 07:04
Group 1 - The report from the China Internet Network Information Center indicates that the user base for generative artificial intelligence in China has exceeded 500 million, driving intelligent transformation and upgrades across various application scenarios [1] - In the context of the "14th Five-Year Plan," significant achievements have been made in digitalization, networking, and intelligence over the past five years [1] Group 2 - By 2024, the number of data enterprises in China is expected to surpass 400,000, with the data industry scale reaching 5.86 trillion yuan, representing a 117% increase compared to the end of the "13th Five-Year Plan" [7] - China's digital infrastructure is leading globally in terms of scale and technology, with a total of 4.55 million 5G base stations and 226 million gigabit broadband users as of June this year [9] Group 3 - China's comprehensive strength in artificial intelligence has seen a systemic leap, with AI patent numbers accounting for 60% of the global total, and continuous breakthroughs in fields such as humanoid robots and smart terminals [12] - By the end of 2024, software revenue in China is projected to grow by 80% compared to 2020, with significant growth in the value added by the manufacturing sector exceeding 70% [14][15] Group 4 - The acceleration of intelligent transformation and digitalization has led to the establishment of over 10,000 smart factories, covering more than 80% of major manufacturing industry categories, with smart home and wearable technology becoming new consumer trends [16]
Andrej Karpathy :AI 智能体的十年战争、强化学习的困境与“数字幽灵”的觉醒
锦秋集· 2025-10-20 07:00
Group 1 - The core viewpoint of the article is that the current era is not the "year of agents" but rather the "decade of agents," emphasizing a long-term evolution in AI capabilities rather than immediate breakthroughs [1][6][7] - The discussion highlights the need for AI to develop four critical modules: multimodal perception, memory systems, continuous learning, and action interfaces, which are essential for creating fully functional intelligent agents [1][8][15] - The article suggests that the next phase of AI development will focus on self-reflection capabilities, allowing AI to review its outputs and learn from its mistakes, moving beyond mere imitation of human behavior [2][20][21] Group 2 - The article provides insights into the historical context of AI development, identifying three key paradigm shifts: the perception revolution, the action revolution, and the representation revolution, each taking years to mature [10][12][14] - It emphasizes that the evolution of intelligent agents will not happen overnight but will require a decade of systematic engineering and integration of various capabilities [4][9] - The article discusses the limitations of reinforcement learning, highlighting its inefficiency and the need for more nuanced feedback mechanisms to improve AI learning processes [20][46][50] Group 3 - The article posits that AI should be viewed as a cognitive collaborator rather than a competitor, suggesting a future where humans and AI work together in a symbiotic relationship [52][56] - It raises the idea that the next decade will focus on "taming" AI, establishing societal rules and values to ensure safe and reliable AI interactions [54][58] - The conclusion emphasizes that this decade will not be about AI taking over the world but rather about humans redefining their roles in collaboration with intelligent systems [56][58]
手撕大模型,KVCache 原理及代码解析
自动驾驶之心· 2025-10-20 06:30
Core Insights - The article discusses the importance of KV Cache in enhancing the efficiency of large language models (LLMs) during autoregressive inference, particularly in the context of the Transformer architecture [1][20]. Group 1: Need for KV Cache - KV Cache is essential for storing intermediate computation results, which significantly improves the model's operational efficiency during text generation tasks [1][20]. - In standard Transformer decoding, each new token generation requires attention calculations that involve all previous tokens, leading to high computational complexity [2][6]. Group 2: Working Principle of KV Cache - The core idea of KV Cache is to cache the historical Key (K) and Value (V) matrices, thus avoiding redundant calculations and reducing time complexity from O(n²) to O(n) [4][7]. - The process involves calculating the new Query (Q) matrix and performing attention calculations with the cached K and V matrices, allowing for efficient token generation [4][10]. Group 3: Technical Details of KV Cache - KV Cache typically maintains independent caches for each attention head, with the cache structure dynamically growing until it reaches the model's maximum sequence length [11]. - While KV Cache improves speed, it requires additional memory, with models like GPT-3 consuming approximately 20KB of memory per token, leading to significant memory usage during batch processing [12]. Group 4: Optimization Strategies for KV Cache - Strategies such as Paged KV Cache, dynamic cache management, quantization, and selective caching are employed to enhance the efficiency of KV Cache while managing memory usage [22][18]. Group 5: Code Implementation - The article provides a code example demonstrating the implementation of KV Cache in self-attention mechanisms using PyTorch, highlighting the modifications needed to incorporate caching [14][17]. Group 6: Conclusion - Understanding the workings of KV Cache is crucial for optimizing inference performance in large models and addressing challenges in practical deployment [20].
轻量高效,即插即用:Video-RAG为长视频理解带来新范式
机器之心· 2025-10-20 04:50
Core Insights - The article discusses the challenges faced by existing visual language models (LVLMs) in understanding long, complex video content, highlighting issues such as context length limitations, cross-modal alignment difficulties, and high computational costs [2][5] - A new framework called Video-RAG has been proposed by researchers from Xiamen University, Rochester University, and Nanjing University, which offers a lightweight and efficient solution for long video understanding tasks without requiring model fine-tuning [2][21] Challenges - Current mainstream methods are categorized into two types, both of which struggle with visual-semantic alignment over long time spans, often sacrificing efficiency for accuracy, making them impractical and less scalable [5][6] - The existing approaches, such as LongVA and VideoAgent, rely on large-scale data for fine-tuning and incur high costs due to frequent calls to commercial APIs [6] Innovations - Video-RAG introduces a novel approach that leverages "retrieval" to bridge the gap between visual and language understanding, utilizing a Retrieval-Augmented Generation (RAG) method that does not depend on model fine-tuning or expensive commercial models [9][21] - The core idea involves extracting text clues that are strongly aligned with visual content from videos, which are then retrieved and injected into the existing LVLM input stream for enhanced semantic guidance [9] Process Overview 1. **Query Decoupling**: User queries are automatically decomposed into multiple retrieval requests, allowing the system to search for relevant information from different modal databases while significantly reducing initial computational load [10] 2. **Multi-modal Text Construction and Retrieval**: Three semantic alignment databases are constructed using open-source tools, ensuring that the retrieved texts are synchronized with the visuals and carry clear semantic labels [11] 3. **Information Fusion and Response Generation**: The retrieved text segments, original queries, and a few key video frames are input into existing LVLMs for final inference output, all without requiring model fine-tuning, thus lowering deployment barriers and computational costs [12] Technical Components - **OCR Text Library**: Utilizes EasyOCR for frame text extraction, combined with Contriever encoding and FAISS vector indexing for rapid retrieval [13] - **Speech Transcription Library (ASR)**: Employs the Whisper model for audio content extraction and embedding [13] - **Object Semantic Library (DET)**: Uses the APE model to detect objects and their spatial relationships in key frames, generating structured descriptive text [13] Performance and Advantages - Video-RAG allows LVLMs to focus more on relevant visual information post-retrieval, effectively reducing modality gaps, and is characterized as lightweight, efficient, and high-performing [15] - The framework is plug-and-play, compatible with any open-source LVLM without requiring modifications to model architecture or retraining [16] - In benchmark tests, Video-RAG outperformed commercial closed-source models like GPT-4o and Gemini 1.5 when combined with a 72B parameter open-source LVLM, demonstrating remarkable competitiveness [18] Outcomes and Significance - The success of Video-RAG validates a significant direction in enhancing cross-modal understanding capabilities by introducing high-quality, visually aligned auxiliary text, thus overcoming context window limitations [21] - This framework addresses issues of "hallucination" and "attention dispersion" in long video understanding and establishes a low-cost, highly scalable technical paradigm applicable in various real-world scenarios such as education, security, and medical imaging analysis [21]