--- title: Info2021 Homework 4 tags: 資訊科技產業專案設計, interview --- # 資訊科技產業專案設計課程作業 4 > 貢獻者: 曲明梓 Lucky ## 符合自身規劃的工作 ### MediaTek - [AI algorithm engineer for computer vision & image processing](https://careers.mediatek.com/eREC/JobSearch/JobDetail/AG4214070701) - [CV/NN SDK Developer](https://careers.mediatek.com/eREC/JobSearch/JobDetail/MTK120200723001) - [AI researcher for computer vision and multimedia](https://careers.mediatek.com/eREC/JobSearch/JobDetail/MTK120210813002) ### RealTek - [影像處理系統設計工程師](https://recruit.realtek.com/zh/index.php?option=com_content&view=article&id=10274) - [Camera系統設計工程師P1](https://recruit.realtek.com/zh/index.php?option=com_content&view=article&id=10422) ## 需要能力以及自身專業匹配度 ### MediaTek [AI algorithm engineer for computer vision & image processing](https://careers.mediatek.com/eREC/JobSearch/JobDetail/AG4214070701) #### Requirement: * Experience in deep learning (supervised learning, unsupervised learning, or reinforcement learning) > 碩士目前研究有涉及Deep learning,預計碩士論文題目是image processing結合deep learning * Experience in computer vision or image processing algorithm development > 碩士目前研究有涉及computer vision 跟image processing,預計碩士論文題目是image processing結合deep learning * Experience in deep learning frameworks (Caffe, TensorFlow, or PyTorch) > 碩士目前研究有涉及deep learning,過程中有用到TensorFlow跟Pytorch * Familiar with C/C++, Matlab or Python programming > 經常使用C/C++以及Python,Matlab有稍微接觸 [CV/NN SDK Developer](https://careers.mediatek.com/eREC/JobSearch/JobDetail/MTK120200723001) #### Requirement: ##### Minimum Requirements: * MS in Computer Science or related fields > 符合 * Fluency in C/C++ > 經常使用C/C++ ##### Preferred Requirements: * Familiar with OpenCV/OpenVX is a plus > 經常使用OpenCV,OpenVX沒怎麼接觸過 * Familiar with OpenCL/Halide programming language is a plus > 沒有接觸過 * Familiar with other AI SDK is a plus > 碩士目前研究有涉及deep learning,時常測試不同的AI * Familiar with Neural Network framework > 碩士目前研究有涉及deep learning,有用過CNN以及GNN等不同類型的Neural Network * Familiar with DSP HW architecture > 對DSP了解不深 * Experience working with computer-vision solutions or machine-learning solutions > 碩士目前研究有涉及computer vision 跟deep learning,預計碩士論文題目是computer vision結合deep learning,對machine learning演算法也有了解 [AI researcher for computer vision and multimedia](https://careers.mediatek.com/eREC/JobSearch/JobDetail/MTK120210813002) #### Requirement * Programming language: C/C++ or Python > 經常使用C/C++以及Python * Deep learning tools: tensorflow or pytorch > 經常使用tensorflow以及pytorch ### RealTek [影像處理系統設計工程師](https://recruit.realtek.com/zh/index.php?option=com_content&view=article&id=10274) #### Requirement * 碩士以上; 電機工程、電信工程、電控工程、資訊工程相關科系畢業為主。 > 符合 * 熟悉 C++, python, matlab. > 經常使用C++以及python,對matlab僅有粗淺了解 * 熟悉 image processing, machine learning, computer vision. > 碩士目前研究有涉及computer vision 跟deep learning,預計碩士論文題目是computer vision結合deep learning,對machine learning演算法也有了解 * 熟悉 SOC/embedded system演算法開發。 > 僅有粗淺了解 [Camera系統設計工程師P1](https://recruit.realtek.com/zh/index.php?option=com_content&view=article&id=10422) #### Requirement * 碩士以上;電機工程、電信工程、電控工程、電子工程、資訊工程、資訊科學、動力機械、自動控制、通訊工程、其他[數學/物理相關科系]相關科系畢業為主。 > 符合 * 熟悉 C/C++, Matlab, python. > 經常使用C/C++以及python,對matlab僅有粗淺了解 * 了解"影像處理原理"和"相機相關知識和原理"為佳。 > 碩士目前研究有涉及computer vision 跟image processing,預計碩士論文題目是computer vision結合deep learning,對影像處理跟相機知識有所了解 * 經常要研讀 paper, 故需精通英文閱讀。 > 平時經常閱讀computer vision跟deep learning的相關paper ## 面試題目 ### MediaTek 1.什麼是OS 2.講解一下 Process 及 Thread 的差別跟比較 3.講解一下如何避免 Race Condition 4.講解一下什麼是 Hazard [C test] 1.Explain "#error" 2.Explain "struct" and "union" 3.Explain "volatile".Can we use "const" and "volatile" in the same variable? Can we use "volatile" in a pointer? 4.unsigned long v1 = 0x00001111; unsigned long v1 = 0x00001202; unsigned long v; v=v1&(~v2) v=v|v2 ask:the value of v 5.int a[5]={1,2,3,4,5} int *p = (int*)(&a+1); ask:the value of *(a+1) ,(*p-1)? 6.write a code (a) set the specific bit (b) clear the specific bit (c) inverse the specific bit (0->1;1-> 7.Re-write void(*(*papf)[3])(char*) typedef____________; pf(*papf)[3]; 8.write a code that check the input is amultiple of 3 or not without using division or mod 9.Explain lvalue and rvalue. 一面一開始先簡單自介,接著就是用投影片報自己做過的東西,面試官會針對投影片內容做提問,接著面試官就會介紹自己部門在做哪些事,然後問你有沒有什麼問題 HR電訪:主要就是針對履歷上一些經驗提問,還有一些人格特質的問題,像是外務和學業我要怎麼取得平衡,英文和程式是如何自學的,以目前的offer而言會怎麼做抉擇等等 ### [RealTek](https://ptt-politics.com/Tech_Job/l/POLITICS.M.1625414794.A.C93) ``` Q1: 不能用if 和 switch case , 請用你認為最快的方法實作main extern void func1(void); extern void func2(void); extern void func3(void); extern void func4(void); extern void func5(void); void main(int n) { if n==1 execute func1; if n==2 execute func2; if n==3 execute func3; if n==4 execute func4; if n==5 execute func5; } Q2: 不使用if, 請用你認為最快的方法實作main extern void func1(void); extern void func2(void); extern void func3(void); extern void func4(void); extern void func5(void); void main(int n) { if n==33 execute func1; if n==67 execute func2; if n==324 execute func3; if n==231 execute func4; if n==687 execute func5; } Q3: Explain "#error" Q4: Explain "struct" and "union" Q5: Explain "volatile". Q6: the value of v? unsigned long v1 = 0x00001111; unsigned long v2 = 0x00001212; unsigned long v; v = v1 & (~v2); v = v | v2; Q7: the value of *(a+1), (*p-1)? int a[5] = {1, 2, 3, 4, 5}; int *p = (int*)(&a+1); Q8: write a code a) set the specific bit b) clear the specific bit c) inverse the specific bit (0->1; 1->0); Q9: Re-write typedef _____; void(*(*papf)[3](char *); pf(*papf)[3]; Q10: write a code that check the input is a multiple of 3 or not without using division or mod Q11: Explain lvalue and rvalue Q12: 寫一個 function 可傳入正整數參數 N,回傳 1 + 2 + 3 +…+N 的和 Q13: reverse a string Q14: reverse a linked list Q15: 下面是一個 union ,請問要參考 ival 的值語法為何 ? Q16: 寫一個“標準”巨集MIN ,這個巨集輸入兩個參數並返回較小的一個。 Q17: Write a code to swap integer a, b, without temporary variable. Q18: Write a MARCO to calculate the square of integer a. ```