简约科技风3D点云处理深度学习网络架构模块化结构示

Fix Disconnected Arrow (Critical): Location: The arrow going from the vertical "Concatenation" bar to the first "Residual Block" (Stage 2 input). Instruction: Currently, there is a visible gap. Please extend the arrow so it touches the "Residual Block". It must look like a solid, continuous connection. 2. Clean Up Aesthetics: Alignment: Ensure the "Concatenation" bar is vertically centered relative to the Stage 2 U-Net structure. Arrow Style: Ensure all arrows are straight, orthogonal lines (only 90-degree turns), avoiding unnecessary curves (except for the skip connections inside the U-Net, which are fine as they are).Add a Component Legend at the Bottom: Please add a new row at the very bottom of the image to explain the colors and shapes. Format: [Icon] Label 🟦 (Blue Box): 3D Encoder / Down-sampling 🟩 (Green Box): 3D Decoder / Up-sampling ⬜ (Gray Box): 1x1 Convolution (Output) Green Line (Arrow): Skip Connection