diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 73f69e0..0000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/
diff --git a/.idea/deployment.xml b/.idea/deployment.xml
deleted file mode 100644
index 9fa599a..0000000
--- a/.idea/deployment.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="PublishConfigData" autoUpload="Always" serverName="nerf_bg_latest_ddp">
-    <serverData>
-      <paths name="nerf_bg_latest_ddp">
-        <serverdata>
-          <mappings>
-            <mapping deploy="/home/zhangka2/gernot_experi/nerf_bg_latest_ddp" local="$PROJECT_DIR$" web="/" />
-          </mappings>
-        </serverdata>
-      </paths>
-    </serverData>
-    <option name="myAutoUpload" value="ALWAYS" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
deleted file mode 100644
index 105ce2d..0000000
--- a/.idea/inspectionProfiles/profiles_settings.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <settings>
-    <option name="USE_PROJECT_PROFILE" value="false" />
-    <version value="1.0" />
-  </settings>
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 4b72c97..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="JavaScriptSettings">
-    <option name="languageLevel" value="ES6" />
-  </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (nerf)" project-jdk-type="Python SDK" />
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index c9cecbf..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/nerf_bg_latest_ddp.iml" filepath="$PROJECT_DIR$/.idea/nerf_bg_latest_ddp.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/nerf_bg_latest_ddp.iml b/.idea/nerf_bg_latest_ddp.iml
deleted file mode 100644
index 5355fe4..0000000
--- a/.idea/nerf_bg_latest_ddp.iml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="PYTHON_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="Python 3.7 (nerf)" jdkType="Python SDK" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-  <component name="PyDocumentationSettings">
-    <option name="format" value="PLAIN" />
-    <option name="myDocStringFormat" value="Plain" />
-    <option name="renderExternalDocumentation" value="true" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/.idea/other.xml b/.idea/other.xml
deleted file mode 100644
index 640fd80..0000000
--- a/.idea/other.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="PySciProjectComponent">
-    <option name="PY_SCI_VIEW" value="true" />
-    <option name="PY_SCI_VIEW_SUGGESTED" value="true" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/webServers.xml b/.idea/webServers.xml
deleted file mode 100644
index 1e62245..0000000
--- a/.idea/webServers.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="WebServers">
-    <option name="servers">
-      <webServer id="1d5a6596-7d8b-45af-9960-9d4d014e6bbe" name="nerf_bg_latest_ddp">
-        <fileTransfer accessType="SFTP" host="isl-iam2.rr.intel.com" port="22" sshConfigId="d5ddaa0b-8e6c-4721-ad8e-298dc2859ce7" sshConfig="intel_cluster" keyPair="true">
-          <advancedOptions>
-            <advancedOptions dataProtectionLevel="Private" passiveMode="true" shareSSLContext="true" />
-          </advancedOptions>
-        </fileTransfer>
-      </webServer>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 3ffda6e..bffbfbf 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,15 @@ Codebase for paper:
 * Download our preprocessed data from [tanks_and_temples](), [lf_data]().
 * Put the data in the code directory.
 * Data format. 
-** Each scene consists of 3 splits: train/test/validation. 
-** Intrinsics and poses are stored as flattened 4x4 matrices.
-** Opencv camera coordinate system is adopted, i.e., x--->right, y--->down, z--->scene.
-* Scene normalization: move the average camera center to origin, and put all the camera centers inside the unit sphere.
+    * Each scene consists of 3 splits: train/test/validation. 
+    * Intrinsics and poses are stored as flattened 4x4 matrices.
+    * Opencv camera coordinate system is adopted, i.e., x--->right, y--->down, z--->scene.
+    * Scene normalization: move the average camera center to origin, and put all the camera centers inside the unit sphere.
+
+## Create environment
+```bash
+conda env create --file environment.yml
+```
 
 ## Training
 ```python