57 lines
1.6 KiB
C#
57 lines
1.6 KiB
C#
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using OpenCVForUnity.CoreModule;
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using UnityEngine;
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public class PictureUtility
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{
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private static Material _flipMaterial;
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public static Material FlipMaterial
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{
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get
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{
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if (_flipMaterial == null)
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_flipMaterial = Resources.Load<Material>("Materials/Unlit_FlipHorizontal");
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return _flipMaterial;
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}
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set => _flipMaterial = value;
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}
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public static Texture2D HorizontalFlipTexture(Texture2D texture)
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{
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//得到图片的宽高
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Texture2D retVal = new Texture2D(texture.width, texture.height);
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RenderTexture tmp = RenderTexture.GetTemporary(texture.width, texture.height, 0, RenderTextureFormat.ARGB32);
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Graphics.Blit(texture, tmp, _flipMaterial);
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RenderTexture.active = tmp;
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retVal.ReadPixels(new UnityEngine.Rect(0, 0, texture.width, texture.height), 0, 0);
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RenderTexture.ReleaseTemporary(tmp);
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return retVal;
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}
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public static Mat HorizontalFlipMat(Mat mat)
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{
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Mat dst = new Mat();
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Core.flip(mat, dst, 1);
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return dst;
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}
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//纠正鱼眼透视畸变
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public static Mat Undistort(Mat src)
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{
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//摄像机的4个畸变系数：k1,k2,k3,k4
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Mat K = new Mat(3, 3, CvType.CV_64FC1);
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K.put(0, 0, 1151.7, 0, 985.6, 0, 1153.4, 573.004, 0, 0, 1);
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Mat D = new Mat(5, 1, CvType.CV_64FC1);
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//D.put(0, 0, -0.42, 0.2196, 0.0038, 0.013, -0.06);
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D.put(0, 0, -0.01, 0.09, 0, 0, -0.19);
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Mat retVal = src.clone();
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OpenCVForUnity.Calib3dModule.Calib3d.undistort(src, retVal, K, D);
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return retVal;
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}
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}
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