From 5f06661d9b1761f35b468c1e6e41684ed5f45b6d Mon Sep 17 00:00:00 2001
From: hesuicong <hesuicong@suwa3d.com>
Date: Tue, 13 Oct 2026 14:17:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8E=BB=E6=8E=89=E7=A9=BA=E7=99=BD=E9=97=B4?=
 =?UTF-8?q?=E9=9A=99=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 libs/MVS/SceneTexture.cpp | 41 ++++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 24 deletions(-)

diff --git a/libs/MVS/SceneTexture.cpp b/libs/MVS/SceneTexture.cpp
index c406106..2452ef8 100644
--- a/libs/MVS/SceneTexture.cpp
+++ b/libs/MVS/SceneTexture.cpp
@@ -15724,9 +15724,6 @@ void MeshTexture::ApplyGlobalSeamLevelingOnRCPatches(
 {
     if (rcPatches.empty()) return;
 
-	Image8U3 localAtlas(textureSize, textureSize);
-	localAtlas.memset(0);  // 全部填 0 = 黑色
-
     DEBUG_EXTRA("ApplyGlobalSeamLevelingOnRCPatches: bridging %zu rcPatches...", rcPatches.size());
 	DEBUG_EXTRA("faceTexcoords ptr=%p, scene ptr=%p", &faceTexcoords, &scene.mesh.faceTexcoords);
     // ========== 1. 构建 texturePatches ==========
@@ -16009,23 +16006,19 @@ void MeshTexture::ApplyGlobalSeamLevelingOnRCPatches(
             cv::Mat remapped;
             cv::remap(correctedPatch, remapped, mapX, mapY, cv::INTER_LINEAR, cv::BORDER_CONSTANT, cv::Scalar(0,0,0));
 
-            for (int y = 0; y < patchH; ++y)
-			{
-                for (int x = 0; x < patchW; ++x) {
-                    cv::Vec3b color = remapped.at<cv::Vec3b>(y, x);
-                    if (color[0] == 0 && color[1] == 0 && color[2] == 0) continue;
+			for (int y = 0; y < patchH; ++y) {
+				for (int x = 0; x < patchW; ++x) {
+					cv::Vec3b color = remapped.at<cv::Vec3b>(y, x);
+					if (color[0] == 0 && color[1] == 0 && color[2] == 0) continue;
 					
-                    int atlasX = x + minX, atlasY = y + minY;
-                    if (atlasX < 0 || atlasX >= textureSize || atlasY < 0 || atlasY >= textureSize) continue;
-                    // atlas(atlasY, atlasX) = Pixel8U{color[2], color[1], color[0]};						
-					if (atlasY >= 0 && atlasY < atlas.rows && atlasX >= 0 && atlasX < atlas.cols) {
-						// 用 cv::Mat 的 at 方法，它内部有边界检查（Debug 模式下）
-						cv::Vec3b& pixel = localAtlas.at<cv::Vec3b>(atlasY, atlasX);
-						pixel[0] = color[0];
-						pixel[1] = color[1];
-						pixel[2] = color[2];
-					}
-                }
+					int atlasX = x + minX, atlasY = y + minY;
+					if (atlasX < 0 || atlasX >= textureSize || atlasY < 0 || atlasY >= textureSize) continue;
+					
+					cv::Vec3b& pixel = atlas.at<cv::Vec3b>(atlasY, atlasX);
+					pixel[0] = color[0];
+					pixel[1] = color[1];
+					pixel[2] = color[2];
+				}
 			}
 
 			// // 调试用：导出调整后的 atlas
@@ -16035,7 +16028,6 @@ void MeshTexture::ApplyGlobalSeamLevelingOnRCPatches(
 			// cv::imwrite(dbgName, atlas);
 			// DEBUG_EXTRA("Exported %s", dbgName);
         }
-		atlas = localAtlas;
     }
     DEBUG_EXTRA("Re-rasterization done.");
 
@@ -16372,10 +16364,11 @@ bool MeshTexture::RasterizeVirtualFaces(
 
         float currentScore = virtualFaceViewWeights[i].empty() ? -1.0f : virtualFaceViewWeights[i][0];
 
-        int minX = std::max(0, (int)floor(geom.uvBounds.ptMin.x() * textureSize));
-        int maxX = std::min(textureSize - 1, (int)ceil(geom.uvBounds.ptMax.x() * textureSize));
-        int minY = std::max(0, (int)floor(geom.uvBounds.ptMin.y() * textureSize));
-        int maxY = std::min(textureSize - 1, (int)ceil(geom.uvBounds.ptMax.y() * textureSize));
+		int pad = 4;
+        int minX = std::max(0, (int)floor(geom.uvBounds.ptMin.x() * textureSize - pad));
+        int maxX = std::min(textureSize - 1, (int)ceil(geom.uvBounds.ptMax.x() * textureSize + pad));
+        int minY = std::max(0, (int)floor(geom.uvBounds.ptMin.y() * textureSize - pad));
+        int maxY = std::min(textureSize - 1, (int)ceil(geom.uvBounds.ptMax.y() * textureSize + pad));
         if (minX > maxX || minY > maxY) continue;
         int patchW = maxX - minX + 1, patchH = maxY - minY + 1;