小编hir*_*lot的帖子

相机2像素值与传感器曝光时间不成线性关系

我尝试使用 YUV_420_888 图像格式(我的索尼 XA1 不支持原始数据)通过camera2 API 来近似原始传感器输出。我将所有内容都改为手动并停用了我能找到的所有纠正程序:

            mBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_AF_MODE, CameraMetadata.CONTROL_AF_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_AE_MODE, CameraMetadata.CONTROL_AE_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_AWB_MODE, CameraMetadata.CONTROL_AWB_MODE_OFF);
            mBuilder.set(CaptureRequest.TONEMAP_MODE, CameraMetadata.TONEMAP_MODE_CONTRAST_CURVE);
            mBuilder.set(CaptureRequest.TONEMAP_CURVE,
                    new TonemapCurve(
                            new float[]{0.0f,0.0f,1.0f,1.0f},
                            new float[]{0.0f,0.0f,1.0f,1.0f},
                            new float[]{0.0f,0.0f,1.0f,1.0f}
                    ));
            mBuilder.set(CaptureRequest.COLOR_CORRECTION_MODE, CameraMetadata.COLOR_CORRECTION_MODE_TRANSFORM_MATRIX);
            mBuilder.set(CaptureRequest.COLOR_CORRECTION_TRANSFORM, new ColorSpaceTransform(new int[]{
                    1, 1, 0, 1, 0, 1,
                    0, 1, 1, 1, 0, 1,
                    0, 1, 0, 1, 1, 1
            }));
            mBuilder.set(CaptureRequest.COLOR_CORRECTION_GAINS, new RggbChannelVector(1.0f,1.0f,1.0f,1.0f));
            mBuilder.set(CaptureRequest.SHADING_MODE, CameraMetadata.SHADING_MODE_OFF);
            mBuilder.set(CaptureRequest.STATISTICS_LENS_SHADING_MAP_MODE, CameraMetadata.STATISTICS_LENS_SHADING_MAP_MODE_OFF);
            mBuilder.set(CaptureRequest.COLOR_CORRECTION_ABERRATION_MODE, CameraMetadata.COLOR_CORRECTION_ABERRATION_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CameraMetadata.CONTROL_AE_ANTIBANDING_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_EFFECT_MODE, CameraMetadata.CONTROL_EFFECT_MODE_OFF);
            mBuilder.set(CaptureRequest.CONTROL_ENABLE_ZSL, false);
            mBuilder.set(CaptureRequest.CONTROL_SCENE_MODE, CameraMetadata.CONTROL_SCENE_MODE_DISABLED);
            mBuilder.set(CaptureRequest.EDGE_MODE, CameraMetadata.EDGE_MODE_OFF);
            mBuilder.set(CaptureRequest.HOT_PIXEL_MODE, CameraMetadata.HOT_PIXEL_MODE_OFF);
            mBuilder.set(CaptureRequest.NOISE_REDUCTION_MODE, CameraMetadata.NOISE_REDUCTION_MODE_OFF);
Run Code Online (Sandbox Code Playgroud)

之后,我连拍了 10 张照片,曝光时间线性增加,ISO 为 40。我分析了 …

android android-camera2 exposure

5
推荐指数
1
解决办法
212
查看次数

标签 统计

android ×1

android-camera2 ×1

exposure ×1