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多样化大规模数据集!SceneSplat++:首个基于3DGS的综合基准~
自动驾驶之心· 2025-06-20 14:06
以下文章来源于3D视觉之心 ,作者3D视觉之心 3D视觉之心 . 3D视觉与SLAM、点云相关内容分享 点击下方 卡片 ,关注" 自动驾驶之心 "公众号 戳我-> 领取 自动驾驶近15个 方向 学习 路线 评估协议的关键局限性 三维计算机视觉领域高度关注于捕捉场景的几何和视觉外观,以及理解其内容。近年来,三维高斯溅射(3D Gaussian Splatting, 3DGS)因其独特的能力——能够以一种紧凑的形式联合编码场景的几何、外观和理解属性 (该形式可以有效地从二维带位姿的图像中优化得到)——已成为最理想的三维表示方法。此外,视觉-语言推 理代表了三维场景理解最具前景的方向,因为它将场景的视觉和几何属性与我们用来定义、描述和推理概念的语 言连接起来。因此,本文专注于利用 3DGS 进行视觉-语言场景理解。 语言高斯溅射(Language Gaussian Splatting, LGS)最相关的方法可分为三类。前两类方法首先使用视觉-语言基 础模型(例如 CLIP)从所有训练图像中提取二维特征。第一类随后执行基于梯度的单场景优化,将特征向量分 配给每个三维高斯基元(primitive),并优化它们,使其渲染 ...
A股收评:创业板指收跌0.84% 白酒、航运股逆势走强
news flash· 2025-06-20 07:02
A股三大指数今日集体调整,截至收盘,沪指跌0.07%,深成指跌0.47%,创业板指跌0.84%,北证50指 数跌1.34%。全市场成交额10916亿元,较上日缩量1892亿元。全市场超3600只个股飘绿。板块题材 上,白酒、光伏设备、固态电池板块涨幅居前;脑机接口、短剧游戏板块跌幅居前。盘面上,港口航运 板块反弹,宁波海运(600798)、兴通股份(603209)涨停。固态电池板块活跃,海科能源、诺德股份 (600110)、湘潭电化(002125)涨停。光伏概念股涨幅居前,赛伍技术(603212)、协鑫集成 (002506)涨停。白酒股反弹,皇台酒业(000995)涨停,迎驾贡酒(603198)、金种子酒(600199) 涨超5%。稳定币概念局部活跃,楚天龙(003040)上演地天板,安妮股份(002235)涨停。脑机接口 板块跌幅居前,爱朋医疗(300753)跌超10%。短剧游戏概念股集体调整,元隆雅图(002878)、川网 传媒(300987)、中文在线(300364)、欢瑞世纪(000892)等多股跌超5%。 暗盘资金流向曝光!提前捕捉庄家建仓信号>> ...
SoundHound Stock's Lofty Valuation: Still Worth the Price?
ZACKS· 2025-06-19 14:36
Core Insights - SoundHound AI (SOUN) maintains a high valuation with a forward 12-month price-to-sales (P/S) ratio of 20.45, exceeding the industry average of 19.17, reflecting fluctuating investor interest in voice AI [1][2] - The company has established itself in conversational AI, particularly in the automotive and restaurant sectors, but faces caution from investors due to its high valuation and competition from major tech firms [2] Valuation and Stock Performance - SOUN's stock has decreased by 1.7% over the past three months, underperforming the industry gain of 6.3% and the broader technology sector's increase of 11.2% [4] - Currently, SOUN trades at a 62.3% discount to its 52-week high of $24.98, yet remains above its low of $3.82, indicating that investor sentiment is focused on long-term growth rather than immediate earnings [5][7] Growth Drivers - The Polaris platform and the new agentic AI offering, Amelia 7.0, are central to SoundHound's growth strategy, enabling real-time voice recognition and autonomous task execution [9] - SoundHound's voice AI solutions are now implemented in over 13,000 restaurant locations, with a recent partnership with Mastercard enhancing its position in AI-enabled payment flows [10] - The U.S. healthcare market, valued at $4.9 trillion in 2023, presents significant growth opportunities for SoundHound, particularly through its partnership with Allina Health [11] Revenue and Guidance - In Q1 2025, SoundHound reported revenue of $29.1 million, a 151% year-over-year increase, driven by the adoption of its voice AI solutions across various sectors [12] - The company has reaffirmed its 2025 revenue guidance of $157–$177 million, expecting a stronger revenue contribution in the first half of the year [13] Competitive Landscape - SoundHound faces intense competition from major tech companies like Alphabet, Amazon, and Apple, which dominate the AI-powered voice assistant market [15] - The company must differentiate itself by offering more customizable and lightweight solutions to compete effectively against these established players [16] Challenges and Margin Pressures - SoundHound's automotive business has experienced softness due to geopolitical and macroeconomic uncertainties, impacting unit volumes despite rising average selling prices [17] - Integration costs from acquisitions and legacy contracts are exerting pressure on gross margins, although management is working to improve this over the next 18–24 months [18] Market Sentiment and Future Outlook - The Zacks Consensus Estimate for a full-year loss in 2025 remains unchanged, indicating limited near-term upside potential for the stock [19] - Despite recent underperformance, SoundHound's expanding platform, debt-free balance sheet, and reaffirmed profitability guidance by year-end 2025 provide a stable outlook for long-term investors [21]
JLT Mobile Computers announces a generational change in marketing leadership
Globenewswire· 2025-06-19 11:00
Växjö, Sweden, June 24, 2025 * * * JLT Mobile Computers, a leading developer and supplier of reliable computers for demanding environments, today announced the planned generational change in its marketing leadership. This leadership transition reflects JLT’s strategic initiative to centralize and mobilize its marketing resources, reinforcing its commitment to global growth and market expansion. Christian Meincke, who has served as Chief Marketing Officer at JLT since 2023, is retiring. Tejal Ranjan, Vice P ...
号称“全球最小”Linux电脑:40mm×35mm大小,却能跑Ubuntu、连蓝牙、还有显示屏!
猿大侠· 2025-06-19 04:36
整理 | 苏宓 出品 | CSDN(ID:CSDNnews) 你见过最小的计算机有多小? 最近,一台只有邮票大小的 Linux 电脑在网络上引发了热议——它甚至比一张美国护照照片还要 小,却依然是一台货真价实、能运行 Linux 系统的小型开发平台。 谁能想到,这台袖珍电脑还配备了一个内置屏幕,而且屏幕可读性也还不错。 号称"全球最小的 Linux 开发板",只有 40mm ×35mm 这款设备名叫 Quantum Mini ,由国外极客博主 Anbu Kumar 亲手打造。 它的尺寸仅为 40mm × 35mm。 对比一下,美国护照照片的标准尺寸是51mm×51mm,也就是说它比照片还要小一圈。 对此,不少网友将其评为"全球最小的 Linux 计算机",虽然这一说法尚未经过权威认证,但就实际 尺寸和配置来看,确实突破了大众对计算机体积的想象。 其内部搭载了 Allwinner H3 四核 Cortex-A7 处理器、ARM Mali-400 MP2 GPU 和 512MB LPDDR3 内存。 同时,正如下图所示, Quantum Mini 中还 集成了一块迷你 IPS 屏幕,具备良好可读性,至少看得 还算 ...
三倍牛股,突发20%跌停
Sou Hu Cai Jing· 2025-06-19 03:36
热点方面,固态电池概念快速拉升,海科新源20%涨停,科恒股份涨超12%,诺德股份三连板,湘潭电化、盛新锂能涨停,天力锂能、中材科技等跟涨。 消息面上,第五届中国国际固态电池科技大会暨2025先进电池材料与智能装备技术展于6月19日至20日在合肥举办。 数字货币概念继续走强,北信源盘中涨超15%;东信和平10%涨停,年初至今已上涨72%;电科网安、宇信科技等涨幅居前。消息面上,6月18日的2025陆 家嘴论坛开幕式上,中国人民银行行长潘功胜宣布设立数字人民币国际运营中心。 脑机接口概念继续活跃,创新医疗涨停,爱朋医疗盘中涨超6%,南京熊猫、汉威科技等涨幅居前。 【大河财立方消息】大河财立方记者梳理,6月19日,A股三大股指低开,沪指跌0.13%,深证成指跌0.19%,创业板指跌0.27%。随后指数持续向下震 荡。截至10:35发稿,全市场超过3850只股票下跌。 板块方面,锂电电解液、锂电正极、宇树机器人、半导体设备、汽车配件、操作系统、具身智能等概念涨幅居前;核电、离境退税、光刻工厂、军工等概 念跌幅居前。 | | | Wind热门概念指数 | | | | --- | --- | --- | --- | -- ...
美国计算机网络公司Ciena任命Marc D. Graff为高级副总裁兼首席财务官
news flash· 2025-06-19 01:26
当地时间6月18日,美国计算机网络公司Ciena宣布任命Marc D.Graff为高级副总裁兼首席财务官,该任 命自2025年8月1日起生效。作为执行领导团队的一员,他将向总裁兼首席执行官Gary B.Smith汇报工 作,并在马里兰州的Ciena公司总部工作。(智通财经) ...
IonQ Stock Trades Higher Than Industry at 92.64X P/S: Still a Buy?
ZACKS· 2025-06-18 15:56
Core Insights - IonQ, Inc. has experienced a significant stock rally, driven by strategic wins and advancements in quantum networking, but its high valuation raises concerns among investors [1][2][7] - The company has reported a revenue of $7.57 million in Q1 2025, which appears disconnected from its current valuation of 92.64x forward price-to-sales [2][20] - IonQ's stock has gained 62.3% over the past three months, outperforming industry and sector averages, indicating growing investor confidence [3][4] Valuation and Financial Performance - IonQ's stock trades at a valuation significantly above the industry average, reflecting investor bets on future growth rather than current earnings [7][20] - The stock is currently 30.5% below its 52-week high of $54.74, but 511.6% above its 52-week low of $6.22, highlighting rapid market pricing of future potential [4][20] - Analysts have shown improved optimism, with the consensus estimate for 2025 losses narrowing from 83 cents to 47 cents per share over the past 60 days [21][22] Strategic Developments - IonQ secured a $22 million sale of its Forte Enterprise system, marking a significant commercial deployment that demonstrates real-world application potential [10] - The company has expanded its global footprint with MOUs in Japan and South Korea and acquired ID Quantique to enhance its quantum networking capabilities [11] - Recent acquisitions of Lightsynq and Capella are expected to advance IonQ's position in quantum communications and secure government contracts [12] Government and Academic Engagements - IonQ's selection by DARPA for the Quantum Benchmarking Initiative enhances its credibility with the U.S. government [13] - The company is focusing on internal R&D, including innovations in quantum-enhanced machine learning and cloud-based access, appealing to both academic and commercial sectors [14] Financial Resilience - IonQ possesses a $700 million cash reserve, providing a strategic advantage to absorb losses while pursuing growth initiatives [15] - The company is not reliant on immediate capital raises, allowing for flexibility in executing its aggressive roadmap [15] Competitive Landscape - The quantum computing industry is highly competitive, with major players like IBM, Google, and Microsoft investing heavily, alongside newer entrants like Amazon and Baidu [18] - IonQ faces competition from Quantinuum, Rigetti, and D-Wave, each with unique technological focuses and market strategies [19]
3 Software Stocks to Watch as Industry Witnesses Strong Tailwinds
ZACKS· 2025-06-18 15:11
Software is ubiquitous and has become the focal point of technological innovation. Apart from running devices and applications, its usage has been extended to managing infrastructure. The Zacks Computer Software industry participants are well-positioned to benefit from the accelerated digital transformation drive across the globe. The shift to cloud and the rise of SaaS (Software-as-a-Service) models offers recurring revenue visibility for vendors and scalability for users.The industry growth is also being ...
Universal Display Corp. (OLED) is a Top-Ranked Momentum Stock: Should You Buy?
ZACKS· 2025-06-18 14:51
Core Viewpoint - Zacks Premium provides tools and resources to help investors make informed decisions and maximize their stock market investments Group 1: Zacks Style Scores - Zacks Style Scores rates stocks based on value, growth, and momentum characteristics, aiding investors in selecting securities with high potential to outperform the market in the short term [2][3] - Each stock receives a rating from A to F, with A indicating the highest potential for outperformance [3] - The Style Scores are categorized into four types: Value Score, Growth Score, Momentum Score, and VGM Score, which combines all three styles for a comprehensive evaluation [3][4][5][6] Group 2: Zacks Rank - The Zacks Rank is a proprietary model that leverages earnings estimate revisions to assist investors in building successful portfolios [7] - Stocks rated 1 (Strong Buy) have historically produced an average annual return of +25.41% since 1988, significantly outperforming the S&P 500 [8] - Investors are encouraged to focus on stocks with a Zacks Rank of 1 or 2 and Style Scores of A or B to maximize returns [9] Group 3: Universal Display Corporation (OLED) - Universal Display Corporation is a leading developer in the Organic Light Emitting Diodes (OLED) market, currently rated 3 (Hold) with a VGM Score of B [11] - The company has a Momentum Style Score of A, with shares increasing by 0.8% over the past four weeks [11] - For fiscal 2025, the Zacks Consensus Estimate for OLED's earnings per share has risen by $0.32 to $5.05, with an average earnings surprise of 13.3% [12]