ControlNet

Search documents
世界上第一张照片,被AI“修复”成了科幻片
Hu Xiu· 2025-10-04 04:22
Core Viewpoint - The article discusses the historical significance of the world's first photograph, "View from the Window at Le Gras," and how it has been reimagined using AI technology, highlighting the discrepancies between AI-generated images and the original photograph [1][4][31]. Group 1: Historical Context - The first photograph was created by Niépce using a process involving asphalt and a polished tin plate, capturing a blurry yet precious image over several days of exposure [3][22]. - This photograph is approaching its 200th anniversary, with its creation date still debated among scholars [1][4]. Group 2: AI Restoration and Its Implications - AI tools like GPT-4o have been used by users on platforms like Reddit to "restore" the original photograph, resulting in various imaginative and often inaccurate versions [6][31]. - Some AI-generated versions depict fantastical elements, such as spaceships and animated features, diverging significantly from the original 19th-century context [7][10][12]. - The AI restoration process often fails to accurately represent the original structures and details, leading to a loss of historical authenticity [23][41]. Group 3: Technical Aspects of AI Image Restoration - Current AI image restoration techniques primarily rely on diffusion models, which involve adding noise to images and then attempting to reconstruct them [32][34]. - Some models, like SPIRE, utilize semantic control frameworks to guide the restoration process, ensuring consistency in style and content [35][36]. - Despite advancements, AI-generated images may appear visually appealing but often lack accuracy when compared to the original photographs [40][41]. Group 4: Cultural and Philosophical Concerns - The proliferation of AI-generated images raises concerns about the authenticity of historical representations, as people may accept AI-generated content as genuine without questioning its validity [48][50]. - The article warns that the distinction between real and AI-generated images is becoming increasingly blurred, potentially leading to a loss of trust in visual media [49][52]. - It suggests that future generations may reference AI-generated versions of historical images rather than the originals, further complicating the understanding of history [53].
“计算机视觉被GPT-4o终结了”(狗头)
量子位· 2025-03-29 07:46
Core Viewpoint - The article discusses the advancements in computer vision (CV) and image generation capabilities brought by the new GPT-4o model, highlighting its potential to disrupt existing tools and methodologies in the field [1][2]. Group 1: Technological Advancements - GPT-4o introduces native multimodal image generation, expanding the functionalities of AI tools beyond traditional applications [2][12]. - The image generation process in GPT-4o is based on a self-regressive model, differing from the diffusion model used in DALL·E, which allows for better adherence to instructions and enhanced image editing capabilities [15][19]. - Observations suggest that the image generation may involve a multi-scale self-regressive combination, where a rough image is generated first, followed by detail filling while the rough shape evolves [17][19]. Group 2: Industry Impact - The advancements in GPT-4o's capabilities have raised concerns among designers and computer vision researchers, indicating a significant shift in the competitive landscape of AI tools [6][10]. - OpenAI's approach of scaling foundational models to achieve these capabilities has surprised many in the industry, suggesting a new trend in AI development [12][19]. - The potential for GPT-4o to enhance applications in autonomous driving has been noted, with implications for future developments in this sector [10]. Group 3: Community Engagement - The article encourages community members to share their experiences and innovative uses of GPT-4o, fostering a collaborative environment for exploring AI applications [26].