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机器人的眼睛:3D视觉
2025-08-12 15:05
Summary of 3D Vision Technology in Robotics Industry Overview - The global machine vision market exceeds 100 billion RMB, with the Chinese market around 20 billion RMB, primarily focused on 2D processing. The demand for 3D technology is rapidly increasing, especially in industrial applications that require depth information for workpiece inspection and in consumer markets like Face ID [11][12]. Key Technologies and Their Characteristics - **3D Vision Technologies**: The main hardware routes for achieving 3D functionality include: - **Stereo Vision**: Low cost but sensitive to ambient light [1][4]. - **Structured Light**: Good anti-interference but poor performance at long distances [1][4]. - **Time of Flight (TOF)**: Simple structure but low resolution [1][4]. - **LiDAR**: Long detection range but high cost and low pixel resolution [1][4]. - **Core Components**: The essential components of robotic vision hardware include lenses, light sources, and cameras. Stereo cameras do not require active light sources, while other methods do [8]. Advantages and Challenges - **Advantages**: 3D vision technology allows for accurate 3D modeling of the physical world, enhances visual detection precision, and improves resistance to ambient light interference compared to traditional 2D vision [2]. - **Challenges**: Transitioning from 2D to 3D requires significantly enhanced backend algorithm processing capabilities, with challenges in aligning large point cloud data accurately. Each technology has its limitations, such as susceptibility to environmental interference and varying measurement accuracy [2][4]. Application Scenarios - **Industrial Applications**: The primary applications in the industrial sector focus on recognition, positioning, measurement, and detection, with detection being the most demanding due to the complexity of identifying physical defects [12]. - **Consumer Applications**: Consumer-grade applications, such as Apple's Face ID and gesture recognition in electronic devices, are driving the development of 3D vision technology [13][14]. Market Trends and Future Outlook - The market for 3D vision technology in robotics is expected to continue expanding, driven by increasing safety requirements and technological advancements. Companies like Orbbec are gaining attention due to their competitive performance compared to international products [19][17]. - The demand for stereo structured light modules in robotics is significant, with each module costing around 1,000 RMB, and each robot typically requiring 3 to 5 modules, leading to a total cost of approximately 3,000 to 5,000 RMB per robot [18]. Key Suppliers - Major domestic suppliers of 3D vision technology include Orbbec, Cansee, Autel, and Hikrobot, with Orbbec leading in technical strength and product advantages [17]. Conclusion - The integration of various 3D vision technologies is likely to enhance overall system stability and accuracy in robotics. The combination of stereo vision with structured light and the use of TOF with LiDAR in advanced applications will optimize performance across different working conditions [5][6].
放弃L异形电池,iPhone电池的十年弯路终于走到了尽头
3 6 Ke· 2025-08-07 04:53
Core Viewpoint - Apple is transitioning away from the L-shaped battery design in the iPhone 17 Pro, opting for a new structure that allows for a more standardized battery shape, indicating a significant internal design change and a move towards more conventional battery technology [1][3][13]. Battery Design Changes - The iPhone 17 Pro will feature a redesigned battery structure, with the U.S. version having a larger, flatter battery due to the removal of the physical SIM card slot, while the Chinese version retains the SIM card tray, leading to localized adjustments in battery shape [1][3]. - The new battery design eliminates the need for the L-shaped configuration, which was originally created to accommodate the compact internal layout of previous iPhone models [4][7]. Industry Context - The L-shaped battery was a temporary solution to space constraints in smartphone design, not a technological advancement, and its decline signifies a return to more efficient and standardized battery structures [4][8]. - Other smartphone manufacturers, particularly in the Android space, have also utilized irregular battery shapes to maximize internal space, but this trend indicates a broader issue of limited internal space in devices [6][8]. Cost and Repair Implications - Irregular battery shapes increase production costs due to the need for specialized molds and complicate repair processes, which could be a disadvantage in markets with strict repairability regulations [7][8]. - The complexity of these designs can lead to thermal management issues, as irregular shapes may not distribute heat evenly, complicating cooling solutions [7]. Advancements in Battery Technology - Domestic smartphone brands have demonstrated that large-capacity batteries do not require irregular shapes, with examples of devices featuring batteries exceeding 5000mAh without compromising design [9][10]. - Innovations in battery materials, such as silicon-carbon anodes, are allowing for higher energy densities and more efficient designs, moving away from the need for irregular battery shapes [10][12]. Future Outlook - The shift away from L-shaped batteries by Apple suggests a recognition of evolving consumer expectations regarding battery life and performance, as well as a response to competitive pressures from domestic brands [14][16]. - As the industry progresses, the focus will likely shift towards more sustainable and efficient battery solutions, moving beyond the limitations of irregular battery designs [12][14].
X @𝘁𝗮𝗿𝗲𝘀𝗸𝘆
Product Preference - The market shows a strong preference for OPPO Find N5, exceeding that of iPhone X and approaching the level of iPhone 4 [1]
再见,iPhone 8 、iPhone X 彻底淘汰!
猿大侠· 2025-07-13 15:48
Core Viewpoint - The article discusses the transition of several iPhone models, particularly the iPhone 6s, iPhone 8, and iPhone 11, from being highly regarded to being classified as obsolete products by Apple, highlighting their sales performance and the implications of being marked as "vintage" or "obsolete" [1][11][39]. Summary by Sections - **iPhone Models and Their Status** - iPhone 6s, released in 2015, achieved cumulative sales of 174 million units and was recently classified as obsolete [1][2]. - iPhone 8, launched in September 2017, has also been added to the obsolete list, with its 128GB version being the last standing [13][39]. - **Sales Performance** - Initially, iPhone 8 struggled in sales compared to iPhone X but later gained popularity, achieving a market share of 2.4% in May 2018, topping global smartphone sales [26][25]. - Cumulative sales of the iPhone 8 series exceeded 200 million units, comparable to the iPhone X [35][36]. - **Product Lifecycle and Support** - Apple designates products as "vintage" after 5-7 years of discontinuation, after which they may still have some parts available for repair [2][3]. - Products classified as "obsolete" (discontinued for over 7 years) will no longer receive any official repair services or parts [4][5]. - **Legacy and Future Outlook** - The article reflects on the legacy of classic iPhone models and expresses hope for future innovations from Apple [40].
一张小米汽车订单截图能卖9.9元,网友大为震惊:谁在买?
猿大侠· 2025-05-16 03:22
Core Viewpoint - The article highlights the phenomenon of selling Xiaomi car order screenshots, indicating a growing trend of social vanity and the commercialization of digital representations of ownership, similar to previous trends with iPhone screenshots [1][6]. Group 1: Xiaomi Car Orders - Xiaomi's SU7 Ultra has gained significant attention, with reports of high demand leading to the sale of order screenshots on various platforms [1]. - The price for these order screenshots ranges from 1.46 yuan to 9.9 yuan, with some sellers indicating that these screenshots are for entertainment purposes only [2]. Group 2: Social Vanity and Digital Ownership - The trend of purchasing digital representations for social status is not new, as seen with the iPhone's "Dynamic Island" feature, where users bought screenshots to project ownership of high-end devices [6][8]. - The article draws parallels between the current trend of selling Xiaomi order screenshots and past behaviors where individuals sought to enhance their social image through digital symbols of ownership [11]. Group 3: Risks and Legal Implications - Legal experts warn that order screenshots may contain sensitive information that could be misused for fraudulent activities, highlighting potential risks associated with such transactions [13]. - There are reports of scams related to the sale of digital screenshots, where sellers have been tricked into compromising their accounts under the guise of proving ownership [13].
「358一张美得震撼朋友圈」,女明星同款撕拉片撕的是钱包吧
36氪· 2025-05-11 23:58
Core Viewpoint - The article discusses the resurgence of "peel-apart film" as a trendy photography medium, driven by its nostalgic appeal and the aesthetic preferences of younger generations, particularly influenced by celebrities [4][20][63]. Group 1: Resurgence of Peel-Apart Film - Peel-apart film, invented in 1963, has made a comeback despite being considered outdated technology [20]. - The film is gaining popularity among celebrities, who showcase their photos, leading to a surge in public interest and demand [7][21]. - The aesthetic qualities of peel-apart film, such as its soft focus and unique texture, resonate with the current trend of "anti-high-definition" photography [18][90]. Group 2: Market Dynamics and Pricing - The price of peel-apart film has skyrocketed, with a single photo costing around 358 yuan, making it a luxury item [51][63]. - The original manufacturers, Polaroid and Fujifilm, have ceased production, leading to scarcity and inflated prices in the second-hand market [56][58]. - The demand for peel-apart film has created business opportunities, with new photography shops emerging in major cities [60][63]. Group 3: Consumer Behavior and Trends - Consumers are increasingly seeking alternatives to expensive peel-apart film, leading to DIY solutions and "zero-cost" methods for creating similar effects [82][86]. - The trend reflects a broader movement towards low-fidelity aesthetics, where older, less advanced photography equipment is favored for its unique qualities [90][94]. - The emotional and experiential aspects of using peel-apart film, such as the anticipation of waiting for a photo to develop, enhance its appeal [48][111].
20周年纪念版iPhone将“大改款”
Bei Jing Shang Bao· 2025-04-28 16:06
Core Insights - Apple is developing two special edition iPhones for its 20th anniversary, set to launch in September 2027, including a foldable model and a glass-centric Pro version [1][2] Group 1: Product Development - The first foldable iPhone is reportedly in trial production and expected to enter mass production in the second half of 2026, potentially launching alongside the iPhone 18 series [1] - The 20th anniversary foldable iPhone will feature a 7.76-inch main display with a resolution of 2713×1920 and will debut Apple's under-display camera technology, achieving a "true full-screen" design [1] - The second special edition model may utilize a Unibody design with a seamless integration of the frame and back shell, potentially incorporating pressure-sensitive touch controls for enhanced user interaction [2] Group 2: Market Impact - Apple's entry into the foldable smartphone market could reshape the competitive landscape, with IDC projecting global foldable phone shipments to reach 25 million units in 2024, dominated by Samsung, Huawei, and Honor [2] - Analysts have differing views on the release timeline for the foldable iPhone, with predictions ranging from 2024 to 2027, indicating a cautious approach by Apple compared to competitors [2] Group 3: Supply Chain and Pricing - Apple is planning to shift most iPhone production to India by the end of 2026, which may face challenges due to complex new components and production technologies required for the anniversary models [3] - The anticipated starting price for the 20th anniversary iPhone could exceed $2000, representing a more than 60% premium over the iPhone 16 Pro Max, making it the most expensive iPhone to date [3][4] - Morgan Stanley estimates that Apple could face an additional $33 billion in annual tariff costs if no mitigation measures are taken, which may lead to price increases across its product range [4]