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Palestinians Are Not on US Radar, Biden's West Bank Trip Won't Bring Breakthrough, Says Analyst_我的网站

一 |     US President Joe Biden is expected in the Palestinian Authority later this month, where he will meet a number of senior officials, including the PNA's president Mahmoud Abbas.,In recent months, officials in Ramallah have grown increasingly frustrated with the Biden administration, because of its inability to deliver promises made to the Palestinians during his pre-election campaign.,Broken Promises?,Palestinians had expected that Biden would open a consulate in East Jerusalem to compensate them for moving the US embassy from Tel Aviv to Jerusalem in 2018. That, however, didn't happen, something that served to strengthen the Palestinians' anger.,They also hoped he would renew the operation of the Palestinian Liberation Organisation's office in Washington that was shut down under Donald Trump. And they anticipated that the new boss in DC would unlock much-needed funds to the Palestinians after their budget was significantly trimmed in 2018.,"In his visit, Joe Biden is not going to deal with the most acute issues that have been bothering the Palestinians," says Hani Al Masri, a Ramallah-based political analyst. "They will not talk about freezing Israel's settlement activity. Nor will they focus on Israel's attacks on worshippers, or their arrests and assassinations. They will only speak about how to make sure Abbas survives and remains in his seat.",Abbas has become increasingly unpopular with the general public in the Palestinian territories. According to a recent poll, conducted by the Palestinian Center for Policy and Survey Research, more than 70 percent of Palestinians would like Abbas to resign, and 84 percent believed his government was corrupt.,But so far as Washington is concerned, says Al Masri, it is vital Abbas remains in position as he adheres to the security cooperation with Israel and is opposed to Hamas and this is why Washington would like to see him stay put, the analyst argues.,Shifting Interests,However, there's another reason Washington supports Abbas - America's domestic policy and its national interests.,"Right now, there are many other issues that occupy decision makers in Washington ahead of their mid-terms in November. One of them is Ukraine. Another one is their struggle to replace Russian energy. A third is the Iranian nuclear file. They have no room for any Israeli-Palestinian peace process," explains Al Masri.,Israel, for its part, doesn't seem interested in a peace process either. Although Prime Minister Yair Lapid, during his first official trip to France, said he would be willing to meet Abbas, such a meeting has not been scheduled. For the next three months, the Jewish state's interim PM will be busy with his pre-election campaign. A regulation of the conflict with the Palestinians will not be a priority for him.,US Embassy in Jerusalem Calls For Calm Following Clashes Between Israelis and Palestinians15 April, 14:47 GMT,Americans, Al Masri reckons, understand this and this is why they will not apply pressure to Israel preferring rather to retain the status quo. At the same time, those in Washington who want to present themselves as supporters of the Palestinians will ask officials in Jerusalem to make certain concessions.,Those are likely to include additional work permits to Gazans or removing some restrictions on worshippers, who pray at the Al Aqsa mosque in East Jerusalem. "Anything major is out of question," Al Masri declares.,"At present, what we can expect is only small and rather insignificant steps. Biden's trip will not bring a breakthrough. It is not in the interests of any side."。    IT之家 7 月 21 日消息，科技媒体 The Decoder 昨日（7 月 20 日）发布博文，报道称谷歌 DeepMind 发布 GenCeption 模型，将预训练的视频生成器重新用于深度估计和分割等经典计算机视觉任务。         IT之家援引博文介绍，大语言模型在学习预测下一个 Token 的时候，在训练过程中往往需要吸收语法、世界知识和上下文关系等内容。         但是在计算机视觉领域，视觉模型缺少等效的训练方法，主要由专业模型主导，包括用于分割的“Segment Anything”和用于深度估计的“Depth Anything”，每个模型都使用其特定的架构。

二 |          谷歌 DeepMind 团队为此提出 GenCeption 模型方案，尝试将一个“生成视频”的 AI 模型逆向改造成一个能“理解世界”的视觉分析引擎。

三 |          GenCeption 打破了传统计算机视觉“一个任务一个专用模型”的格局，仅凭单一模型就能同时做好深度估计、图像分割、3D 姿态估计、表面法线预测和相机姿态估计等核心视觉任务。         GenCeption 基于阿里巴巴开源视频模型通义万相 Wan2.1 系列训练，与传统扩散模型需多步去噪不同，GenCeption 在一次前向传播中完成预测，从而提升视觉任务处理速度。模型通过文本提示指定任务，可输出深度图、表面法线图、分割掩码，并可处理相机运动表示。         训练数据以合成为主。

四 | 论文称，数据集仅包含 7500 段视频，由 800 个数字人体模型与 200 段动作捕捉序列组合生成，再通过 Blender 在不同背景和镜头角度下渲染。

五 |          泛化方面，GenCeption 几乎只在单人合成视频上训练，但可处理真实多人视频，也可迁移到动物和类人机器人类别。论文称，部分输出细节甚至超过训练时 Blender 渲染结果，可保留猫胡须和单根发丝边缘。         性能方面，论文给出两组处理时间数据：小模型处理 81 帧视频约需 6 秒；大模型参数量为 140 亿，处理同样长度视频约需 10 秒。         参考。

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